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  • $108 hourly
    Thank you for taking the time to view my profile. I am an electrical engineer with a background in hardware design and software development. I specialize in circuit design, PCB fabrication, and embedded systems programming. I also provide enterprise software engineering and web development services with a focus on control systems engineering. I also specialize in digital signal processing and machine learning for data, image, and audio processing. I'm happy to help you take your idea to the next level and beyond! I consider myself an engineer, inventor, designer, and artist. I love to find solutions to complex problems, invent new things, and test what is possible! Services: -Application development -Circuit design and PCB layout -Embedded systems programming -Unity Development -Web development -Database engineering -Project management -Technical writing -Master builder :)
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    Unity
    Electronic Design
    Article Writing
    OpenCV
    C#
    Power Electronics
    SQL
    Machine Learning
    Technical Writing
    PCB Design
    RF Design
    Python
    C++
    nRF52
  • $80 hourly
    ๐Ÿ•“ 29,000+ hrs trusted by 70+ ๐Ÿ˜„clients worldwide ๐Ÿ’ฏ100% testimonial rate ๐ŸŽ– AWS certified โ€• DevOps Engineer (Pro), Solution Architect & Certified Developer ๐ŸŽ– CKA certified โ€• Certified Kubernetes Administrator ๐Ÿ† Top Rated Plus Upwork Enterprise Talent Clouds โญ Total of 10+ years mixed of mobile development and AWS cloud computing ๐ŸŽ– CKAย ย ย ย ย ย ย ย ย ย ย โ–  Certified Kubernetes Administrator ๐ŸŽ– DOP-C01ย ย โ–  AWS Certified DevOps Engineer Pro ๐ŸŽ– SAA-C01ย  ย โ–  AWS Certified Solutions Architect Associate ๐ŸŽ– DVA-C01ย ย  โ–  AWS Certified Developer Associate โฌœ SKILLS โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ FLUTTER โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐๐„๐‘๐’๐ˆ๐’๐“๐„๐๐‚๐„โ €โ €โ €โ €โ €Shared preferences, sqflite, sembast, Cookiejar, mmkv_flutter โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐๐„๐“๐–๐Ž๐‘๐Š๐ˆ๐๐†โ €โ €โ €โ €โ €Dio, Flutter Downloader โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐ˆ๐Œ๐€๐†๐„โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €Cached Network Image, Bitmap, Photo View โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐€๐‘๐‚๐‡๐ˆ๐“๐„๐‚๐“๐”๐‘๐„โ €โ €โ €โ €Provider, BLoC, MobX, GetX โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐“๐ƒ๐ƒโ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €Mockito, Flutter Widget Test โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐Ž๐๐’โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €Bitrise, AppCenter, AWS โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ XAMARIN โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐๐„๐‘๐’๐ˆ๐’๐“๐„๐๐‚๐„โ €โ €โ €โ €โ €Realm, SQLite.NET-PCL, Akavache, PCL Storage โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐๐„๐“๐–๐Ž๐‘๐Š๐ˆ๐๐†โ €โ €โ €โ €โ €Flurl, Refit, ModernHttpClient, Reachability, Fusillade โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐ˆ๐Œ๐€๐†๐„โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €Splat, EZ-Compress, NGraphics โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐€๐‘๐‚๐‡๐ˆ๐“๐„๐‚๐“๐”๐‘๐„โ €โ €โ €MvvmCross, Prism, ReactiveUI, Ninject, โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐”๐ˆโ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €Syncfusion Components, Telerik, Flex, OxyPlots โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐“๐ƒ๐ƒโ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €FluentAssertions, NBehave, NUnit โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ”‚ ๐Œ๐ˆ๐’๐‚โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €AutoMapper, NodaTime, Humanizer, Polly โ”‚โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    Bluetooth LE
    Amazon ECS for Kubernetes
    Containerization
    Docker
    Kubernetes
    Clean Architecture
    Universal Windows Platform
    DevOps
    Dart
    Map Integration
    Amazon Web Services
    Flutter
    Xamarin
  • $20 hourly
    As a "Top-Rated Plus Freelancer," I'm specialise in crafting both Native (iPhone/iPad Apps, Android, iOS, Kotlin, Swift, Objective c, Java) and cross-platform applications (Flutter, React). I've created a variety of applications, including shopping and discount services, management and Statistics apps, Image processing tools, VOIP applications, On Demand apps, and Games. My skills cover a wide spectrum: โ—† Android โ—† iOS โ—† Firebase โ—† Web Services โ—† Social Media โ—† Push Notifications โ—† Google API โ—† Media โ—† Web Frontend โ—† Web Backend โ—† Cloud Hosting โ—† Ads โ—† Payment Intregation ๐Ÿ“Œ Get a free consultancy today by inviting me to your job ! ๐Ÿ˜ Turning Ideas into App, with a mission of success and vision of Transparency! Contact me today for creating Something Different!
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    Hybrid App Development
    Native App Development
    Swift
    Java
    Kotlin
    Android App Development
    iOS Development
    Android App
    iOS
    Android
    Flutter
    Mobile App Design
    Mobile App Testing
    Mobile App
    Mobile App Development
  • $40 hourly
    I am an expert Linux Embedded Programmer, Linux/ARM BSP/firmware engineer (8+ years). โ—‰ Prototype Development kit: Raspberry Pi, Beaglebone, IMX6 and IMX8, Quectel AG35 EVB, NanoPi Air, OrangePi Win, ESP32, Arduino UNO R3, STM32, Variscite VAR-SOM-MX93 โ—‰ Have solid knowledge of the standard interface such as I2C, SPI, UART, CAN, RS232, USB Host/Device, Ethernet, SDCard โ—‰ IoT devices with wireless connectivity such as LTE, BLE, WIFI, GPS. โ—‰ Good experienced with Audio Codec chips: TI(TLV320AIC3109), ADAU1961WBCPZ โ—‰ Solid experience with U-boot porting, BSP, Linux kernel, Device drivers development/optimization for the small Linux SoC boards. โ—‰ Yocto, OpenWRT, Buildroot โ—‰ OTA: swupdate, mender, rauc โ—‰ Cybersecurity โ—‰ Chipset: Allwinner A64, Allwinner H3, NXP i.MX6, Quectel AG35, Qualcomm MDM9x07 โ—‰ Language: C/C++, Python, Bash scripting, Golang โ—‰ Framework: gstreamer, boost Our key goal is to deliver high-class products and services to our clients. A combination of long-term experience, and perfect communication allows us to work with clients all over the world.
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    Blockchain
    Bash
    Kernel
    Blockchain Development
    Automotive
    Linux
    OpenWrt
    Driver Development
    Embedded Application
    Embedded Linux
    Sensor
    Embedded C
    C
    C++
  • $120 hourly
    ๐Ÿ™‹ ๐—ฅ๐—ฒ๐—ฎ๐—ฑ๐˜† ๐˜๐—ผ ๐˜๐—ฟ๐—ฎ๐—ป๐˜€๐—ณ๐—ผ๐—ฟ๐—บ ๐˜†๐—ผ๐˜‚๐—ฟ ๐—ถ๐—ฑ๐—ฒ๐—ฎ ๐—ถ๐—ป๐˜๐—ผ ๐—ฎ๐—ป ๐—ฎ๐—ฝ๐—ฝ? ๐—ง๐—ต๐—ฒ๐—ป ๐—น๐—ฒ๐˜'๐˜€ ๐˜๐—ฎ๐—น๐—ธ! For the past 10 years, I've helped business owners & entrepreneurs launch their mobile apps successfully for ideas ranging from: โœน telehealth & healthcare, โœน fitness, โœน IoT / BLE, โœน social media, โœน project management, โœน AI-enabled apps My name is Daniel - a Senior Mobile App Developer in Dallas Texas (๐Ÿค  ๐Ÿ‡บ๐Ÿ‡ธ) with a passion for creating engaging apps. I am a ๐“๐Ž๐ ๐Ÿ‘% ๐”๐ฉ๐ฐ๐จ๐ซ๐ค ๐…๐ซ๐ž๐ž๐ฅ๐š๐ง๐œ๐ž๐ซ with ๐Ÿ’ฏ๏ผ… ๐‰๐Ž๐ ๐’๐”๐‚๐‚๐„๐’๐’ in mobile app development. Finding the right developer on Upwork can be overwhelming. That's why I am always available for ๐—ฎ ๐—ณ๐—ฟ๐—ฒ๐—ฒ ๐—ฐ๐—ผ๐—ป๐˜€๐˜‚๐—น๐˜๐—ฎ๐˜๐—ถ๐˜ƒ๐—ฒ ๐—ฐ๐—ฎ๐—น๐—น so we can discuss your mobile app project in detail. I only take on projects where I know I can provide value. So you can depend on me being straight-forward with you, and when I donโ€™t think we are a good fit I will point you in the right direction. And if we do work together, I promise to give you the ๐™จ๐™š๐™ง๐™ซ๐™ž๐™˜๐™š ๐™ฎ๐™ค๐™ช ๐™™๐™š๐™จ๐™š๐™ง๐™ซ๐™š when developing your mobile app: ๐Ÿ” Flexible pricing terms ๐Ÿ“… Weekly updates ๐Ÿ› ๏ธ 100% custom-tailored solutions โฐ Deadline oriented ๐Ÿ“ IP assignment of the codebase & designs ๐Ÿ›ก๏ธ Post-launch bug-free warranty So if you are an entrepreneur who wants to launch an MVP (Minimum Viable Product) or a business owner needing to launch a mobile app to streamline your business, I would appreciate the opportunity to speak with you. ======================================== ๐Ÿ‘‰ ๐‹๐„๐“'๐’ ๐“๐€๐‹๐Š ๐€๐๐Ž๐”๐“ ๐˜๐Ž๐”๐‘ ๐๐‘๐Ž๐‰๐„๐‚๐“ ๐Ÿ‘ˆ Are you ready to get started on your mobile app? Let's connect and craft a plan to make your vision a reality. I'm looking forward to bringing your mobile app to life, one line of code at a time. ======================================== ๐“๐„๐‚๐‡๐๐ˆ๐‚๐€๐‹ ๐’๐Š๐ˆ๐‹๐‹๐’ MOBILE APP DEVELOPMENT โœ… React Native โœ… Swift โœ… Kotlin โœ… Yarn โœ… Expo MOBILE APP DESIGN โœ… Figma DATABASE EXPERTISE โœ… Firestore โœ… Supabase โœ… PostgreSQL/Postgres โœ… Dynamo โœ… MySQL BLE/IoT EXPERIENCE โœ… NFC โœ… BLE โœ… WatchOS ๐’๐“๐‘๐Ž๐๐† ๐‚๐Ž๐Œ๐Œ๐”๐๐ˆ๐‚๐€๐“๐ˆ๐Ž๐ ๐’๐Š๐ˆ๐‹๐‹๐’ Along with my advanced technical skills, communication is one of my biggest strengths as an engineer. I take an honest approach to discussing the feasibility and limitations of a project and can communicate high-level solutions to clients of any technical ability. ๐—ž๐—ฒ๐˜†๐˜„๐—ผ๐—ฟ๐—ฑ๐˜€: iOS Development, Android App Development, React Native, Swift, Native App Development, In-App Subscription, Google Maps API, Firebase, Bluetooth, Fitness Tracker, Mobile App Development, Health & Wellness, HIPAA, Mobile Device, iOS SDK
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    AI App Development
    AI Implementation
    HIPAA
    Health & Wellness
    Mobile App Development
    Fitness Tracker
    Firebase
    Google Maps API
    In-App Subscription
    Native App Development
    Swift
    React Native
    Android App Development
    iOS Development
  • $27 hourly
    โœ…Expertise in developing Bluetooth, BLE, NFC, Beacons, IoT, Native & Cross-platform App, and SDK specialist. โœ”๏ธŽ 100% Job Success | TOP RATED | 81+ happy customers | 760+ hours ๐Ÿš€ Master of developing POCs (Proof of concepts). Detail-oriented IT professional with 10 years of experience as a software support specialist. Skilled at developing & operating in native, hybrid mobile application, Web application, and SDK development. Good hands in developing customized apps to empower your customer interactions and business processes. If you have the idea, I can make it a reality, in a clean, efficient mobile app for Android, iOS & Flutter. Our team has a broad range of skills and brings years of experience in software development. I bring my expertise as an android developer and chief technology officer to make sure that your app meets all your expectations is delivered at a competitive price. I have wide knowledge of developing normal and IoT applications that can communicate with different types of hardwares. My Skills includes: -------------------------------------------------- Expertise on Native Mobile Development: -------------------------------------------------- - Native Android (Java, Kotlin) - Native iOS (Objective-C, Swift) - Expertise in BLE- Bluetooth low energy & Classic Bluetooth. - NFC & RFID. - Proximity Marketing. - Beacons - iBeacon & Eddystone. - Experience integrating with RESTful, JSON/XML-based web services - Proficiency with social platform integration (Facebook, Twitter, and Google+) - Good Experience of XML and JSON parsing. - Good Experience with Bluetooth, Camera, Gesture, Audio, Alarm Manager, GPS, and Background Services. - Also familiar with Google Map Functionality. - Strong Oops fundamentals of Java, XML, Android, iOS (Swift & Objective C) - Strong understanding of both front-end and back-end development - Payment gateway integration - Architecture: MVVM, MVP, clean code - Professional software engineering tools and methodologies (Strongly using Agile & Scrum) - Equipped to work with IoT dev kits, prototypes, serial console interfaces, etc ------------------------------------------- Expertise on Flutter Development: ------------------------------------------- - Setup project architecture components: state management (Bloc, MobX), localization, navigation, API requests and error handling, firebase notification - Deep knowledge on Dart language and Flutter - Able to customize widgets and complicated animations - State management: BloC, MobX, Provider, Redux - Firebase notification, analytics, crashlytics - Client - server integration: http using Dio, GraphQL, Retrofit, Firebase Firestore - Setup build and submit to testflight, google play using Fastlane (auto-deployment) - Lead/Train Flutter developers - Version Control Systems: Github, Gitlab, BitBucket. Feel free to contact me, i will respond at my earliest convenience. Looking forward to working on your next project. Best Regards, Rakesh
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    CodeIgniter
    WordPress
    Internet of Things
    Core PHP
    Firmware Programming
    iOS Development
    Android App Development
    Swift
    Flutter
    React Native
    Core Bluetooth
    iOS
    iBeacon
  • $81 hourly
    Professional Summary: Electrical Engineer experienced in developing electronic products and automated test equipment/ procedures for commercial/industrial and aerospace/defense programs. Responsibilities include application of electrical hardware experience, analog / digital circuit design including simulation, validation, project management, efficient documentation including new product cost and excellent oral / written communication skills. Professional Experience: Rexnord Industries LLC (Zurn) 03/2018 โ€“Present Cary, NC Senior Electronic Hardware Design Engineer โ€ข Lead hardware design of PCBs for IOT products serving the water control market (pressure relief valve monitors, sensor operated flush valves and faucets, incorporating RF LoRa, USB, Ethernet, I2C, serial, SPI, CAN, etc.). Responsibilities include technical specifications, system design, schematic capture, power management including DC-DC conversion and motor/solenoid control, PCB layout, design for cost, design for test, design for manufacturability, RF performance, EMC and FCC compliance, product safety, Firmware and programming, design validation testing and system integration. ARCA Technology LLC 01/2016 -03/18 Mebane, NC Electrical Engineer โ€ข Performed hardware/firmware design of PCBs for teller assisted self-service machines (cash, coin, cards, checks, printers, near field communications, Bluetooth, WIFI, ethernet, USB, serial, etc.). Responsibilities include requirements development, technical specifications, schematic capture, PCB layout, power management, motor control, configuration management, prototyping, design validation testing and systems integration. Ensign Bickford Aerospace and Defense Co. 2010 - 2015 Simsbury, CT Electrical Design Engineer โ€ข Lead electrical design of cross functional team (Requirements, schematic capture, simulation, power conversion via numerous topologies, PCB layout, embedded firmware (embedded C, ASM), high voltage DC/DC boost converter design (3.6 VDC to 1200 VDC, 1 W)) for explosive plug used in oil and gas exploration. โ€ข Responsible for microcontroller firmware (embedded C, ASM) and hardware design of custom automated test stands utilizing custom printed circuit board designs, and various National Instruments data acquisition components in support of electrical safe and arm devices (ESADs) to perform flight termination on several missile platforms for Raytheon and Lockheed Martin. โ€ข Performed electrical design of numerous defense and aerospace applications involving peripherals such as I2C, SPI, USB, ETHERNET, etc. Responsibilities included MIL-STD-810, MIL-STD-461 compliance and conformance to MIL- HDBK- 217. Examples include, shoulder mounted missile (SMAW II logic control unit for USMC) (3 VDC to 1500 VDC, 10 W) and special test equipment for firing actuators aboard several missile platforms, etc. United Technologies Corporation (UTC Power and Pratt and Whitney Power Systems) 2007 โ€“ 2010 South Windsor, CT Electrical Design Lead Engineer โ€ข Lead the electrical design of the PURE CYCLE, 280 kW, 480 VAC, 3 phase, power plant including power conversion (AC to DC and DC to AC), control firmware (embedded C) and instrumentation. โ€ข Validated electrical power generation and control systems for compliance with NFPA 70e (NEC), UL-508, UL-1741, IEEE-519 and IEEE 1547. โ€ข Served as the lead technical liaison for electrical systems for contract manufacturers, integrators and customers.
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    Microcontroller Programming
    Digital Electronics
    Embedded System
    Firmware Programming
    Testing
    PCB Design
    Hardware Design
    ESP32
    Hardware Prototyping
    Electronic Design
    Product Development
    Product Design
  • $94 hourly
    I develop high quality iOS and Android mobile apps using Swift, Kotlin, Java, SwiftUI, Jetpack Compose, Firebase, and APIs as needed depending on project. Through my hard work and dedication to meet all project requirements, I've earned Upwork's Top Rated Plus rating! I am self-motivated, self-directed, dependable, reliable, and trustworthy. I've been an independent consultant for most of my career. I know how to conceive a project, get the work done independently, and successfully deliver the project. I excel at testing so when the project is done, it is done! No one likes to put together a large programming team where there are tons of duplicated effort and miscommunication. I can be your single-source developer for both Android and iOS phones and tablets! Most apps also need a back-end. No need for a separate web app programmer that can cause timeline problems and miscommunication! I can write the back-end utilizing Firebase then integrate it into all versions of your mobile app. Using a single source, you control the timeline, you avoid integration issues, and everything flows smoothly. You probably cut your delivery time in half! Every week, I develop mobile apps, cloud functions, and cloud tasks, mainly for Internet of Things using Bluetooth and Firebase. Every week, I am using: Kotlin Java Javascript, typescript, node.js (back-end) Swift Jetpack Compose SwiftUI Bluetooth (Android) Core Bluetooth (iOS) Firebase Auth (user authentication, login) Firebase Firestore (database) Google Cloud Functions Google Cloud Tasks (scheduled based on a trigger) Firebase Crashlytics Firebase and Apple push notifications Google sign-in Apple sign-in As an expert Mobile App Developer, other skills I can deliver: Flows, co-routines, async tasks, flow state. WiFi configuration: static IP, dns, enterprise, add and update. JSON serialization/parcelization. NFC tag reading. Develop Maven library. Network Service Discovery (NSD). Direct ipp open protocol for printers. REST - okhttp and retrofit expert for network calls, including calls to Amazon AWS. User accounts with encryption tokens. Encrypted keystore. Push notifications (Firebase, Apple, in-app). Silent package Installer and updater. Kiosks management. Google maps with location updates, custom map markers, annotated map markers. Custom User Interface features with custom graphics, backgrounds, themes, and styling. User authentication. Credit card validation. Stripe credit and debit card processing. Google Pay processing. Glide or Picasso image handling/transformation. Image upload as file or bitmap. Dark mode activation. Launch and welcome screens with terms of service. Multi-threaded environment solutions and multi-tasking co-routines. Dynamic updates of screens from incoming push notifications. Phone dial, messaging, camera photo-taking, gallery browsing. Backwards compatibility to older versions of Android. Forwards compatibility to latest versions of Android. Room database. App publishing on Google Play Store and Apple App Store. App testing on Firebase. Firebase/Maps API keys. Troubleshooting and expert debugging of crashes/bugs/memory leaks in legacy apps. Development environment: Gradle multi-flavor (multi-version) builds Github and bitbucket version control Slack or Jira team communication Figma wireframes Swagger REST API calls Github or Jira project management and collaboration Roll-outs to 50 million user install base A recent review on Upwork: "Stephanie did a superb job to make our Bluetooth hardware on-boarding via Android very reliable. She was able to find the corner cases and then find solutions for those corner cases! This was a difficult challenge as Bluetooth permissions, capabilities, and processes vary greatly between Android OS versions and devices. The on-boarding process is simple, elegant, and extremely user friendly. It has been an honor and pleasure working along side Stephanie." Other: Protocol Stacks, embedded systems, multi-tier networking systems Fortune 500 Java and C/C++ Trainer, Expert Witness Computer Science degree, Certified Project Management Professional Native English Speaker Available to work any timezone Background: I've used many protocol stacks: Point-to-point, TCP/IP, sockets, WiFi CDMA network, Bluetooth, other wireless networks. I've developed application systems with 4 tiers of communication layers: Device to Handheld, Handheld to PC, PC to mini-computer, mini-computer to mainframe. Embedded Systems: Transponder readings sent to handheld which then transferred data to desktop computer which interfaced to IBM mainframe. Cable system "set-top" box. Assembly code for micro-chips. Veriphone credit card readers with communication to mainframes/cloud. Java Trainer for Sun Microsystems (before they were bought out by Oracle) for 2 years. C/C++ Trainer for Intel University (part of Intel) for 2 years. Expert Witness in trial against a top insurance provider regarding their Java based application.
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    Software Debugging
    Database
    API Integration
    Java
    Swift
    Push Notifications
    Firebase
    Android
    iOS Development
    Firebase Cloud Firestore
    RESTful API
    Android App Development
    Kotlin
    JetPack
  • $49 hourly
    With over 20 years of experience in Electronics and Embedded systems engineering, I'm a wizard at turning innovative ideas into cutting-edge solutions. As the founder and lead engineer of High Technologies Solutions, I've led the development of more than 40 successful released into-production projects across North America, Western Europe, and Australia. Whether you're an inspired individual, a small start-up, or a large corporation - I'm passionate about helping you bring your ideas to life with tailored, and cost-effective leading industry-level solutions. Wearable and Smart Electronics, Home appliances, MedTech, EV, Green Energetic, and Industrial areas - I've worked on projects that have made a real difference in people's lives. What sets me apart is the all-in-one comprehensive service and my commitment to staying up-to-date with the latest industry trends and technologies. I'm always looking for new and better ways to approach a project, and I'm not afraid to think outside the box to deliver results that exceed your expectations. So, whether you're a tech guru or a non-tech individual with an innovative idea, I'm the one you can trust to bring your vision to life. Let's work together to make your dreams a reality! โœ… What I can do for you? - Electronics engineering - Prototyping - PCB design (Precision, Low Noise, Flexible, Multi-layer) - Hardware & Firmware engineering (Analog, Digital, Power) - Software, Mobile App, and Server solutions development - Technology and cost optimization - Mass production optimization Technologies stack (but not limited to): Hardware: STM32, ESP, nRF, TMS, FPGA, PLD / CPLD, AVR, Fujitsu, Z-80, AC/DC, DC/DC, Power Electronics Languages/ Technologies: Embedded C / C++, Assembler (Cortex-M, AVR), Reverse Engineering, PHP, RUBY, JS, Solidity, Mysql, NoSQL, Redis, HTML / CSS / SCSS, API integration, Web3, ะกonsole C, Altium, KiCad, P-CAD, Sprint layout, Solidworks, Orcad, Diptrace Clouds: AWS IoT Protocols / Standards: GSM / GPRS / LTE, MQTT, SSL / TLS, HTTP / HTTPS, Bluetooth, WiFi, RF, TCP, GNSS, GPS Interfaces: I2C, SPI, UART, CAN, RS, SDIO, PWM, Analog, LoRaWAN, LVDS
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    PCB Design
    GPS
    Mobile App
    Software
    Prototyping
    Circuit Design
    Internet of Things
    MQTT
    Driver Development
    Hardware Design
    Firmware
    Minimum Viable Product
    WiFi
    GPRS
    Electronics
    Analog Electronics
    Wireless Communication
  • $40 hourly
    I am an Embedded System Engineer with a bachelor's degree in Electrical Engineering. I have been working at the electric vehicle manufacturing company for about 3.5 years now, as an Embedded Systems Designer lead, which has equipped me with quite a strong foundation in microcontroller architecture and programming, firmware development, PCB design, and system integration. I also have experience in designing the ECU( Electronic Control Unit) and VCU ( Vehicle Control Unit) for electric vehicles and CMS ( Charger Management System) for 30-120 kW DC as well as AC charging stations. Besides that, I also have insights into designing and testing the circuit with EMI and EMC compatibility and sustainability.
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    Software Architecture
    Embedded C
    MATLAB
    KiCad
    Altium Designer
    Python
    STM32
    ESP32
    Hardware Design
    Arduino Firmware
    Multilayer PCB
    PCB Design
    C
    C++
  • $35 hourly
    Hi. I'm the CEO/CTO at Tetalab and have more than 10 years of experience in software development. My background includes a Ph.D. in Computer Science, and I take pride in leading a talented team of professionals that include Web, iOS, Android developers, UI/UX designers and QA. ๐Ÿ’ผ Our Expertise: โœ” Mobile and Full stack Mastery: Crafting seamless Web, Android and iOS experiences. โœ” API Integration: Seamless integration for enhanced functionality. โœ” AI Brilliance: Implementing cutting-edge machine learning components. โœ” Design Distinction: Where aesthetics meet functionality. โœ” Multi-Domain Proficiency: Tetalab excels in diverse domains, making significant contributions to industries such as IoT, Healthcare, Entertainment, Utilities, and more. ๐Ÿ› ๏ธ IoT Specialization: โœ” Comprehensive IoT System Design & Development โœ” Tailored IoT Hardware Solutions (ESP32, Arduino, Raspberry Pi) โœ” Embedded Firmware/Software Expertise โœ” Seamless Sensor Integration & Data Acquisition โœ” Proficiency in Wireless Protocols โœ” Integration with Cloud Platform (AWS) โœ” Creation of Intuitive IoT Mobile/Web Applications for Monitoring & Control โœจ Key Strengths: โœ” Rapid Results: Top-tier solutions are our signature. โœ” Innovative Solutions: Creative problem-solving tailored to your needs. โœ” Collaborative Power: A united team ensuring project success. โœ” Client-Centric Focus: Your satisfaction guides our every step. You can find out portfolio at Upwork profiles and site tetalab.com.
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    Web Design
    CSS
    JavaScript
    Web Development
    React
    Flutter
    Mobile App Development
    Smartphone
    Bluetooth LE
    Embedded System
    Internet of Things
    Core Bluetooth
    iOS
    Android
  • $25 hourly
    Holding a Rich experience in NFC, RFID & Bluetooth integrated solution. I have a skilled team in Device integration in Android, iOS & Desktop application Rich 20+ years of experience in IT organization. Mentor & Certified Scrum Master Solution Provided for Customers: 1. Unique Product Authentication 2. Know Your Customer - Mobile app by Scanning NFC Passports 3. Enterprise Software for Healthcare Industry with collecting information from Medical Device. 4. Inventory Tracking System using RFID / NFC 5. Employee Tracking using Passive & Active RFID 6. Event Management System using NFC 7. Digital Business Card Experienced in Integrating Mobile App (Android / iOS) with major NFC IC's 1. NTAG424 DNA & NTAG424 DNA Tag Tamper 2. NTAG213 / 215 / 216 3. DESFire Module M890 4. Mifare Classic 1K / 4K / 8K 5. Mifare DESFire EV1 / DESFire EV2 6. Mifare Ultralight & Ultralight C 7. M24LR04E-RDW6T/2 8. NFC-TAG-MN63Y1213_2020 Experienced in NFC & Bluetooth connectivity Readers : 1. ACR122U USB reader 2. ACR 1255U-J1 Bluetooth NFC Reader 3. ACR1311U-N2 Bluetooth NFC Reader RFID Device Integration with Cloud via MQTT: 1. [Passive RFID] 4 Port & 2 Port UHF RFID Fixed Reader 2. [Passive RFID] C72 Handheld UHF Reader 3. [Passive RFID] Sanray UHF RFID Integrated Handheld Reader F5009-H 4. [Active RFID] Sanray Active RFID Fixed Reader 5. [Passive RFID] UHF RFID Tag Printer Build applications using RFID UHF Tags: 1. Smartrac R6 DogBone RFID Wet Inlay (Monza R6) 2. Vulcan RFID Foam Backed Wristband (Monza R6) 3. Confidex Carrier Tough Slim RFID Tag (Monza 4QT) 4. Zebra UHF RFID Cards 5. Omni-ID Adept 650P RFID Cards 6. Triathlon Race Timing UHF RFID Sample Tags Expert Consultation in NFC, RFID & Bluetooth - Mobile App Development - iOS & Android - Mobile App Development - Native (Android - Java & Kotlin, iOS - Swift) & Flutter - Mobile App integration with PCB Boards & External Devices such as Weigh Scale - Server Development - C# Dot Net & Python - Build Interactive Website | Mobile App - UI & UX | Logo Design Proven Track Record - Building complete product for clients - Solution Provider - In Handling and Mentoring teams. Strong engineering & professional skills in Software Development Life Cycle (SDLC), Requirements Analysis, Business Analysis and Solution Architecture.
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    NFC
    Wireless Communication
    RFID
    Android App Development
    Microsoft Visual C++
    Python
    Microsoft Foundation Class Library
    Android
    CSS 3
    Android Studio
    C#
    Java
    C
    C++
  • $21 hourly
    ๐ŸŒŸ 100% Job Success ๐ŸŒŸ 80+ Successful project in โ€œMobile and Webโ€ Technologies ๐ŸŒŸ 5 Star Rating ### Earned "โœณTOP RATED PLUS" badge on UpWork We specialize in web and mobile app, UI - UX design, and development technologies. While developing an application, we take special care about User Experience. -------------------- Core Expertise -------------------- - OTT App Development - Music App Development - eCommerce App/Web Development - Food Delivery App/Web Development - GPS Tracking App Development - Cab Booking App Development - Service base App/Web Development - Dating App/Web Development - Other Mobile Development ---------------------------------------- Skills of App development we offer ---------------------------------------- + iPhone / iPad / Apps Development + Android Apps Development + Native mobile application development + In-App Purchase + Braintree, Stripe, 3rd party payment library, All type of Payment Gateway + Social Networking integration + Push Notification, Silent Push Notification, and In-App purchase + Geo-Location/GPS, Location Management, Google Map + Music Player, Camera Integration + Uploading to server, Data Sync, Server XML API Call, JSON + Cloud Services: Firebase, Google Cloud Platform, Parse + QR Code, Bar Code + Video, Photo, and Camera + Familiar with PHP,MySQL,SQLite + Core Data, SQLiteโ€‹ + Socket.ios + Core Animation + VPN Why us: 1. FREE! No Obligation consultation 2. FREE! 1 months bug support post-delivery 3. Testing team and Technical Architect to be involved in every project and without any extra fee. 4. Completely Flexible Payment Terms ****Send me a message to start the development today***
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    iOS Development
    Node.js
    Web Application
    WordPress
    Web Development
    Apple TV Application
    Mobile App Development
    tvOS
    React Native
    Flutter
    Hybrid App Development
    Native App Development
  • $60 hourly
    I am a full stack developer, entrepreneur and a product evangelist with Bachelors of Technology in Information Technology from Delhi Technological University and 4+ years of web application development and 1 year of mobile development experience. I have an experience of web application development with LAMP stack(Linux, Apache, MySql and Php) using Silex micro-framework and MERN stack(MongoDb, ExpressJS, React and NodeJs). I also have an experience with other web technologies like AJAX, Redux, HTML, CSS, XML, Wordpress, Bootstrap, Materializecss. I am experienced in mobile application development with Ionic Framework and React Native. I have 3 mobile applications published on Play Store and Apple App store. So far, I have developed over 20+ websites, 8 Web Apps, 18 Mobile Apps(iOS + Android), 2 Google Chrome Extension and 1 Wordpress extension.
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    API Development
    Redux
    iOS Development
    Mobile App Development
    Android App Development
    Node.js
    API Integration
    React
    Push Notifications
    JavaScript
    GraphQL
    MongoDB
    React Native
    Firebase
  • $57 hourly
    Good working day! I'm here to provide systems work, live, update, and development. I want all the products I develop see the light of day, sell successfully, and become better for users and owners. If you ask me what is the meaning of life, I'll answer โ€“ in programming. So, my job is programming, my hobby too. By the way, if you need a first-class programmer โ€“ I'm here. Iโ€™ve been providing excellent firmware development services for over 10 years. It confirms my status 100 % TOP rated + on Upwork. Perfectly functioning devices and satisfied customers will speak better for me. Do you want to save your time on pointless meetings where engineers ask you what to do instead of doing it? Do you want to increase your income through our productive cooperation? Do you want a perfect, functioning, advanced product that you and your customers will like? I'll help you find a solution for your problems as soon as possible to implement them at a high level. The main goal is to help you achieve great success and make results. The most important thing is the product. It will be innovative, progressive, fresh, and efficient. I'll develop firmware, support it, and add new features, thus improving the product and the owner's profit. I'm always open to communication and find it useful. The more feedback I receive from you, the more I'll give you in return. Then I would like to tell you exactly how the cooperation goes. And now you can look at reviews of my work left by my clients on Upwork. I want you to understand the most important benefits that I can provide you are time and freedom. I can independently make decisions without disturbing the customer. You can go about your business while your project is running. At the same time, I work on technical tasks and take responsibility for my actions. So, I offer long-term cooperation which means the full cycle of device development and support. Please note that the latest versions are released as soon as new features are added. Every next release brings us closer to the final version of the device. Eventually, I would like to give you a guarantee. Guarantee of 100% satisfaction with the result. Unfortunately, my resources are limited, so I don't take on many projects. If you have a clear understanding and vision of your project and want to start right now, just write to me. Let's talk, discuss, make a plan and grow your business. If you still have doubts about something, then I have a consultation service โ€“ where weโ€™ll analyze all the issues together that will help you see the future of your project, understand the next steps, and possibly start our cooperation.
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    AWS IoT Core
    TCP/IP
    Firmware Programming
    Firmware
    C
    Real-Time Operating System
    Embedded System
    nRF52
    Arduino
    Embedded C
    Microcontroller Programming
    STM32
    ESP32
    AVR Microcontroller
  • $30 hourly
    Elite AIoT & Bluetooth Innovation Architect: Revolutionizing Connectivity with BLE, NFC, & Smart Tech. As an โœฆUpwork Top Rated Plusโœฆ authority, I am at the forefront of Bluetooth and Internet of Things (IoT) innovation, with a rich history of transforming ideas into cutting-edge solutions. My 14-year journey in mobile and embedded application development, alongside over 9 years mastering Bluetooth, BLE, NFC, iBeacon, and AIoT technologies, positions me uniquely to lead your project to success. Recognized among the elite in Bluetooth development, my portfolio is a testament to a relentless pursuit of excellence and transformative results. Why Choose Me? โœฆ Comprehensive Development Lifecycle Mastery: From ideation to launch, navigating the complexities of product development, ensuring your vision materializes into a market-ready, impactful solution. โœฆ Deep Dive into Bluetooth & AIoT: Exploiting the full spectrum of BLE, NFC, and iBeacon protocols, pushing the boundaries of what's possible within technological constraints. โœฆ Wearable & Smart Device Innovation: Developing feature-rich applications for Apple Watch and other smart devices, enhancing user engagement through innovative wearable technology. Specialized in Elevating Industries: โžค Wearable Technology & Smart Devices: Crafting the future of personal tech with bespoke solutions. โžค Home Automation: Turning smart homes into intelligent ecosystems. โžค Health & Wellness: Enhancing lives with tech-driven health insights. โžค Sports & Fitness: Redefining athletic experience with data and connectivity. โžค Automotive Infotainment: Driving the future of in-vehicle entertainment. โžค Proximity Services & Retail: Bridging the gap between digital convenience and physical shopping. โžค Events & Marketing: Transforming engagement through experiential tech solutions. Your project demands more than just expertise; it needs a visionary capable of integrating advanced Bluetooth, NFC, and AIoT technologies to create seamless, innovative solutions. Whether you're envisioning the next generation of wearable tech, transforming home automation, or pioneering new ways to connect and engage, I'm here to turn that vision into reality. Let's Connect: Discuss your project with me and explore how we can navigate the path from concept to commercial success together.
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    Product Development
    Internet of Things
    Industrial Internet of Things
    Mobile App Testing
    iOS Development
    Android App Development
    Mobile App Development
    HealthKit
    Java
    iBeacon
    Swift
    iOS
    Core Bluetooth
    Android
  • $35 hourly
    ๐Ÿ† ๐—จ๐—ฃ๐—ช๐—ข๐—ฅ๐—ž ๐—˜๐—ซ๐—ฃ๐—˜๐—ฅ๐—ง ๐—ฉ๐—˜๐—ง๐—ง๐—˜๐—— ๐—™๐—ฅ๐—˜๐—˜๐—Ÿ๐—”๐—ก๐—–๐—˜๐—ฅ ๐Ÿ’ช ๐—”๐—บ๐—ผ๐—ป๐—ด ๐˜๐—ต๐—ฒ ๐—ง๐—ผ๐—ฝ ๐Ÿญ% ๐—ฝ๐—ฒ๐—ฟ๐—ณ๐—ผ๐—ฟ๐—บ๐—ฒ๐—ฟ ๐—ผ๐—ป ๐—จ๐—ฝ๐˜„๐—ผ๐—ฟ๐—ธ ๐ŸŽ–๏ธ ๐—ง๐—ข๐—ฃ ๐—ฅ๐—”๐—ง๐—˜๐—— ๐—ฃ๐—Ÿ๐—จ๐—ฆ ๐˜„๐—ถ๐˜๐—ต ๐—ผ๐˜ƒ๐—ฒ๐—ฟ ๐Ÿญ๐Ÿฑ๐Ÿฌ๐Ÿฌ๐Ÿฌ ๐—›๐—ผ๐˜‚๐—ฟ๐˜€ ๐—ผ๐—ณ ๐˜„๐—ผ๐—ฟ๐—ธ ๐—ฒ๐˜…๐—ฝ๐—ฒ๐—ฟ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ ๐—ผ๐—ป ๐—จ๐—ฝ๐˜„๐—ผ๐—ฟ๐—ธ ๐Ÿ‘๐Ÿญ๐Ÿฌ๐Ÿฌ% ๐—๐—ผ๐—ฏ ๐—ฆ๐˜‚๐—ฐ๐—ฐ๐—ฒ๐˜€๐˜€ โœ”๏ธŽ ๐— ๐—ผ๐—ฟ๐—ฒ ๐˜๐—ต๐—ฎ๐—ป ๐Ÿฎ๐Ÿฌ ๐˜†๐—ฒ๐—ฎ๐—ฟ๐˜€ ๐—ฒ๐˜…๐—ฝ๐—ฒ๐—ฟ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ ๐˜„๐—ผ๐—ฟ๐—ธ๐—ถ๐—ป๐—ด ๐˜„๐—ถ๐˜๐—ต ๐—ฑ๐—ถ๐—ณ๐—ณ๐—ฒ๐—ฟ๐—ฒ๐—ป๐˜ ๐—ฆ๐—ผ๐—ณ๐˜๐˜„๐—ฎ๐—ฟ๐—ฒ ๐—ฎ๐—ป๐—ฑ ๐—›๐—ฎ๐—ฟ๐—ฑ๐˜„๐—ฎ๐—ฟ๐—ฒ ๐—ฝ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜๐˜€. Greetings! I am a seasoned Senior Full Stack Engineer with over 20 years of extensive experience in software and solutions development. My forte lies in designing and developing intelligent and adaptive applications across various domains, including desktop, web, mobile, embedded systems, and IoT. Key Skills and Expertise: โœ… Web Applications Development: Proficient in J2EE, PHP for web applications and REST API development. Backend expertise in Java, PHP, and technologies like J2EE, JSF, JSP, Servlets, Primefaces. Frontend proficiency in Bootstrap, ReactJS, jQuery, JavaScript, HTML, CSS. Database mastery in MySQL and Derby. โœ… Embedded Systems Development: Extensive firmware development for microcontrollers like ARM, STM32, ESP32, PIC, Arduino, Raspberry PI, and more. Specialized in Secure Embedded Applications with ARM Trustzone, Infineon's Optiga Trust M, and STM32 ST-SAFE. Expertise in hardware protocols (UART, SPI, I2C, USB, Bluetooth, LoRa, WiFi, Zigbee). In-depth knowledge of TLS (mbedTLS) and PKI systems. โœ… IoT Application Development: Design and development of Internet of Things (IoT) applications with technologies like LoRa, 4G NB-IOT, Cellular, Bluetooth LE and ZigBee. Experienced in motor control applications, including full-bridge and PWM for robotics. โœ… Image Processing/Digital Signal Processing: Creation of signal processing modules for images and digital signals. Implementation of algorithms for image pre-processing, especially for OCR applications. โœ… Artificial Intelligence: Integration of machine learning algorithms to develop innovative solutions. โœ… Web Automation and Crawlers: Development of web automations for data scraping and process automation. โœ… Cloud Services: Proficient in Amazon Web Services (EC2, S3, RDS). โœ… Application Security: Experience in reviewing application security with Veracode static and dynamic scan tools. Programming Languages: Java (J2SE, J2EE, JSF, JDBC, JPA, Hibernate), C/C++(QT, Embedded C), Matlab, PHP (CakePHP, Wordpress), JavaScript (Node.JS, React), Python If you're seeking a dedicated professional to transform your concepts into functional solutions within a set timeframe, let's connect! I am ready to bring my wealth of experience to your projects.
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    Java
    Machine Learning
    OCR Algorithm
    J2EE
    Firmware Programming
    Bluetooth LE
    Computer Vision
    Python
    C++
    JavaScript
    Embedded C
    Embedded System
    Real-Time Operating System
    Firmware
    C
  • $49 hourly
    For the past 20 years, I have been engaged in the design and production of electronic devices, including wireless devices. During this period, I started with antenna design, designing and producing FMCW radar in each frequency band (including millimeter waves), and continued until the signal processing unit section. In addition, a wireless direction finding system with high measurement accuracy was developed based on phase interference correlation processing method, and a coordinate measurement system combining TDOA and GPSDO was developed. The operating frequency bands of these two systems are between 20 MHz and 6 GHz. In addition, he also developed a radar frequency band signal analysis and directional analysis system based on IFM and BM methods. The frequency range of this system is 2 to 18 GHz. Moreover, while developing wireless navigation devices that can perform GPS RTK and Heading, a precision inertial navigation system has also been completed. This heading is based on a GPS system and is not affected by surrounding algae. Moreover, with the advancement of high-speed PCB design for RF systems, high-speed signal processing circuits above 1GHz and various Android, Linux devices, etc. have been widely introduced into a field. The programs used in these processes include: - RF simulation and design program: CST Studio, ADS - PCB design program: Altium Designer. - Mechanical design program: Solidworks. - Signal processing programs: ISE, Quartus, Keil, MPLAB X, Arduino. Matlab, And developed intelligent lock with facial recognition and fingerprint recognition functions, and has sufficient experience in mass production, establishing a monthly production process of more than 10000. In this process, a procurement process for various elements, including RF elements, and a production and testing process for components have been established. Regardless of the type of product or the quantity, there is rich experience in overseas direct delivery. And, I can process various sourcing and delivery of various electronic components.
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    RADAR Construction Management RADAR
    Antenna Design
    RF Microwave Design
    Medical Device
    Power Electronics
    Embedded System
    Altium Designer
    Electronic Circuit Design
    Wireless Communication
    ESP32
    WiFi
    Multilayer PCB
    3D Design
  • $60 hourly
    I am a Washington, D.C. based Mobile App developer. I have extensive experience in delivering high-performance mobile apps on iOS and Android platforms. I'm skilled in Swift, Kotlin (Dart), Flutter and React Native technologies. Industries I Have Worked With Earlier ๐Ÿฆ Real Estate ๐Ÿ’‰ Telehealth ๐Ÿ•ฎ Education ๐Ÿ›๏ธ Retail ๐Ÿ“ฑ Mobility ๐Ÿ›’ Ecommerce ๐Ÿ’ฐ Fintech Core Skills & Experiences โœ… Native Tech: iOS (RX-Swift, Swift, Objective C), Android (Kotlin, Java) โœ… Cross-Platform: React Native, Flutter (Dart) โœ… Web service: XML/JSON, REST/SOAP, GraphQL โœ… Device Kit: Bluetooth Low Energy (BLE), iBeacon, NFC โœ… Specialized skill areas: Image Classification, Object Detection & Localization, Segmentation, Speech recognition, text-to-speech, Android assistant, Android actions, Siri, Barcode Scan, OpenCV โœ… Chat & Messaging Engine: XMPP, OpenTok, webRTC, Pjsip, socket.io, Twilio โœ… Database: SQLite mobile DB, Firestore, RealM, CoreData โœ… Firebase: Real-time database, Crashlytics, Performance monitoring, Dynamic Links, App indexing, In-App messaging, Remote config โœ… Media streaming: Ultra-low latency streaming using M-jpeg streamer, GStreamer, Larix broadcaster SDK, red5, red5pro media server, Wowza media server, VLC SDK โœ… AWS: Amazon Rekognition, Amazon Sage Maker, Amazon Comprehend, AWS Cognito, AWS Lambda, Amazon Polly, etc. โœ… Google Map, Foursquare, Geolocation, GPS, and Open Street Maps โœ… Machine Learning/Augmented Reality: Integrating ML models in Mobile Apps using MLKit, ARKit, Core Image, Spark AR, AutoML Vision Edge, Vision framework, 3D Models, AI/ML solutions from AWS โœ… Deep Learning Frameworks: TensorFlow Lite, Pytorch, Keras, Dialogue Flow, Yolo V3 โœ… Wearable device kit: Watch OS (iOS), Wear OS (Android) โœ… Telecom skills: VoIP, sip, projectRTC, AndroidRTC, socket, WebSocket, opentok, TokBox, Twilio I'm an ambitious developer that is passionate about what I do. Awaiting your fascinating projects, no matter how complicated! With Regards, Qaran
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    ChatGPT
    Apple Xcode
    In-App Purchases
    Location-Based Service
    VoIP
    Hybrid App Development
    Android App Development
    iOS Development
    Mobile App Development
    Twilio API
    WebRTC
    Kotlin
    React Native
    Flutter
    Swift
  • $50 hourly
    Lifetime self-employed individual with over 30+ years of experience in designing and programming of electromechanic microelectronic systems for industrial and consumer applications and products. Projects included: DSP, Wireless, Bluetooth, Bluetooth Smart, WiFi and consumer playthings, Consumer products, Industrial control, QA data acquisition and visualization, Process control, HMI, CIM/CAM, CNC programming, mechatronic engineering and design. Currently personally located in Spain. My services include: Firmware development, PCB design and assembly, mechanical design, design reviews for production fitness. For prototyping I have in stock 2000+ parts to be prepared for supply chain issues and fast prototyping as well for respond to BOM changes during development. Tools are DesignsparkPCB and Fusion360, full electronic lab including network analyzer. 3D printers and full equipped mechanic workshop for prototyping mechatronic devices or custom enclosures I have been working In the fields of industries: Asphalt, Fertilizer, Concrete, Cement, Injection molding machinery, CNC machinery, combustion Engines, Hydraulic and Pneumatic Systems In the field of consumer products: WiFi, AWS, Audio headset, DMX modules, smart lock, RF enabled tools, smart watch, SubGHz coms and more Programming languages are Assembler, C, C++ Experience with the following brands: Microchip(Atmel) TI Texas Instruments (CC2450, CC1310) NXP Ublox ESP32 RaspberryPI Multi language German, English and Spanish
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    Electronic Design
    ESP32
    Mechatronics
    C++
    Home Automation
    Circuit Design
    Internet of Things Solutions Design
    Microcontroller Programming
    Engineering Design
    DesignSpark
    PCB Design
    Mechanical Engineering
    Autodesk Fusion 360
    Product Development
  • $35 hourly
    I build and develop firmware. Reliable and easily scalable code architecture is my passion, built to the highest professional standards. I've a strong electronics engineer background with a good understanding of digital and analog electronics which helps me deal with complex tasks. My expertise and skills include: - Platforms: nRF52x, nRF53x, nRF91x, EFM8, EFM32, CC26x2 - Languages: C, C++, C++Builder, Delphi, Assembler MCS-51 - Tools, IDE: Visual Studio Code, Keil, Segger Embedded Studio, IAR, STM32CubeIDE, RAD Studio, etc. - Technologies, libraries: nRF Connect for VS Code, nRF5 SDK - RTOS: Zephyr, FreeRTOS, TIRTOS - FOTA (Firmware Over The Air): Nordic nRF52 - BT/BLE: u-blox Nina-B1, Holyiot 18010, Nordic nRF52x, SimCom SIM868, Texas Instruments CC2642/CC2652 - GNSS: u-blox SAM-M8Q, TranSystem EB-240, Trimble, Rockwell, etc. - Long range communication: GSM (GPRS/CSD/SMS), 3G/4G LTE (u-blox SARA-R4, SimCom SIM800/868/900, Siemens, Telit, etc.) - Short range communication: ISM (434 MHz, 868 MHz, 2.5 GHz), Bluetooth, NFC - Digital interfaces: USB, RS-232, RS-485, UART, SMB, SPI, I2C, 1-Wire, etc. - Source control: Bitbucket, Sourcetree, GitHub
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    Zephyr
    Core Bluetooth
    Bluetooth LE
    Circuit Design
    Electrical Engineering
    nRF52832
    Embedded System
    Embedded C
    nRF52
    C++
  • $50 hourly
    Having 21 years of experience in handling complex firmware, IoT, web and mobile app based solutions. Worked with Samsung as Lead Engineer for the R&D (Digital Media) and Safeview SL as Product Manager. I have extensive knowledge with Web (Front End and Back End), Mobile Apps (Android/iPhone - Hybrid and Native), IoT and Embedded Software Development. On the technical side, I can handle solutions requiring following skills: 1. Embedded/Firmware software development 2. Backend development using Nodejs, Python/MySQL, MVC frameworks like Django/CodeIgniter/Laravel, developing web services and web APIs, integration of external RESTfull APIs like payment (PayTrace, CyberSource, USAePay, PayPal, Stripe, NMI, PayTrace, Authorize.net etc), accounting (QuickBooks Online/Desktop, Xero, Freshbooks), Twilio, shipping and any other as needed 3. Front end development using HTML5/CSS3, Javascript (custom and libs), JQuery, Bootstrap, Framework7, Angularjs and Reactjs 4. Mobile apps using Cordova/Phonegap, Android Native, Kotlin, iOS Native, Swift and IoT apps 5. All AWS related server deployments at AWS, Docker/Containers, Mails and DNS setups 6. Video Streaming platforms Have good communication, documentation and analytical skills and know how to motivate team for the longer-term team bonding.
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    Internet of Things
    Python
    Kotlin
    Internet of Things Solutions Design
    PHP
    Android
    iOS
    Laravel
    Product Management
    Raspberry Pi
    CodeIgniter
    iOS Development
    Swift
    MySQL
    React
    Node.js
    Intuit QuickBooks
    JavaScript
  • $22 hourly
    โœ… Over 13+ years of experience in mobile development for both iOS and Android Native and Hybrid Platforms. โœ… Upwork Top Rated Talent. โœ… 100% Job Success Ratio, 100k+ Earnings. โœ… 6,500+ hours of experience working on clients & and projects. ๐Ÿ‘‡ Huge experience in delivering mobile applications on a platform like: โœ” React Native โœ” Ionic โœ” Native Android App Development (Kotlin and Java) โœ” PhoneGap โœ” Flutter SDK โœ” iPhone, iPad Native App Development, and Mac OS X App development ( Objective-C and Swift ) โœ” Xamarin( C# ), Xamarin.forms ๐Ÿ‘‡ Fantastic exposure in the following industry to deliver high-quality products: โœ” Fitness and health applications. โœ” Dating Tinder-based applications. โœ” Events-based applications. โœ” Uber-based apps for finding service providers. โœ” Education audio and video apps. โœ” Travel apps for booking flights and hotels. โœ” Medical healthcare apps for doctors and patients. โœ” Geolocation apps for finding restaurants. ๐Ÿ‘‡ Technical Skills- โœ” iOS & Swift Skill: Autolayout, Adaptive Layout, UIKit, MapKit, Animation, Core Data, Networking, CocoaPods. โœ” Programming Lang: C, C++, Objective-C, Swift, Java, Android, C#, Asp.Net, Dart. โœ” Software Tools: Android Studio, Xcode, Visual Studio, Eclipse, Source Tree, Git, Visio, Sprite Builder, Tiled. โœ” Android Skills: Fragments, Intents, Services, Broadcast Receiver, Provider, Material Design, Recycler View, Gradle. Great experience supporting Data safety forms in Google Play Console โœ” Library Used: GSON, Retrofit, Picasso, Parse, OAuth, AFNetworking, MBProgressHud, ReacticeCocoa & more. โœ” Other: HTML, CSS, XML, JSON, Jscript, JQuery, PHP, UML, SQL, Rest APIs, Javascript (ES5, ES2015, TypeScript, CoffeeScript) - React, Redux, mobx. โœ” Specialization: Image Editing App, Video Editing Mobile App, BLE, Face Editor & Makeup App. A great experience in computer vision in these areas Media Streaming, Color Detection, Edge Detection, Face Detection, Pose Detection, Hand Gesture Recognition, Image Segmentation & Classification & Colorization, and Object Tracking. Cheers, Arvind J
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    Flutter Stack
    XAML
    Core Location
    iPhone & iPad Apps
    iOS
    Android
    Android App Development
    Xamarin
    SQLite
    Objective-C
    React Native
    Mapbox
    Swift
  • $50 hourly
    I'm a Mobile Developer with a serious track record - 13 years in the game and over 50 mobile apps under my belt. I've got chops in both iOS and Android platforms, and I'm all about making killer apps from the ground up. Whether it's native mobile development (like Swift, Objective-C) or hybrid app development (think Flutter), I've got you covered. I love creating mobile experiences that aren't just functional, but also really connect with users. I'm talking about eye-catching UI/UX design and sturdy, secure back-end architecture to keep everything running smoothly. And that's not all! I'm also an expert when it comes to integrating mobile apps with all kinds of APIs, databases, and cloud services, so the user experience is seamless. Plus, I'm always on the ball when it comes to debugging, optimization, and maintenance, so the apps I build stay in tip-top shape. Bottom line: I'm not just here to meet expectations โ€“ I'm here to blow them away. If you're looking for high-quality, custom mobile solutions that'll help your business grow and keep your customers happy, then let's connect!
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    Facebook Development
    Sports & Fitness
    Twitter/X API
    Health & Fitness
    iOS SDK
    RESTful Architecture
    Mobile App Development
    iOS Development
    tvOS
    Amazon Web Services
    Swift
    Objective-C
  • $75 hourly
    I am an embedded firmware engineer with interest and expertise in the field of embedded system design and control systems. I have worked with PIC micro controllers and M3 ARM processors. Currently I work with a company where we develop mass flow controllers to control the flow of gasses very precisely. It has a huge demand in semiconductor market.
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    Core Bluetooth
    Android App Development
    Hardware Design
    PCB Design
    React Native
    Bluetooth LE
    iOS
    Android
    C++/CLI
    Wireless Communication
    Embedded System
    Arduino
    C
    Firmware
    Microcontroller Programming
    Embedded C
  • $42 hourly
    I'm an engineer (master) in automation . With additional mathematics and programming specialists (Bachelor). I have been working for more than 10 years freelancer- first in Elance and then in Upwork. Experienced in: - Software and hardware design of the microcontroller systems - Micrchip(Atmel)(PICs,AVR,Atmel SAMD20/21,SAMR21,SMW25), TI( MSP430,CC2540/41) ,ST(STM32) - Development sytems IAR EWAVR , IAR MSP430 ,Atmel Studio 7 ,MPLAB X(XC,CCS compilers),Keil ARM,Atollic TRUEStudio for STM32,Arduino IDE,PlatformIO - RF systems based ESP32 - Espressif , nRF51/52xxx - Nordic - Circuit and PCB design of the electronic systems - Proteus, Altium Designer. - MS Visual Studio 2019 (Visual GDB),PlatformIO - Testing prototypes with customers. - Create full documentations for prototypes My top projects are realized in Upwork are: 1.Temperature measurement network(firmware for ATmega256RFR2 based devices) 2.NTC data logger (full design circuit,PCB and firmware - based MSP430FR device) 3.Finalizing LivePCB project 4.I need some programming routines created for an Atmel SAM R21 controller (firmware for SAMR21 and GPS NMEA protocol.
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    WiFi
    Firmware
    Firmware Programming
    MSP430
    Sensor
    Embedded C
    STM32
    nRF52
    Microcontroller Programming
    ESP32
    Embedded System
    PCB Design
    Atmel AVR
    Hardware Prototyping
  • $95 hourly
    Custom antenna design and integration with on-site 2D | 3D pattern measurements and radiated efficiency using MVG StarLab. Antennas printed on your PCB; selection of COTS parts or improving device operating range. EM Simulation tools are available. Co-location of multiple antennas & de-correlation. VNAs and spectrum analyzers to 20 GHz. Over 30 yearโ€™s RF experience in commercial, medical device, military, and aerospace industries. Skills include: - Wireless (GSM, ISM, WiFi, BT, ZB, LoRa, NFC, RFID) - Custom antenna design, prototypes, and evaluation - Selecting and integrating COTS antennas - Cellular radio devices designed to AT&T, VZ, OTA, CTIA, PTCRB, and SAR requirements - System perspective of wireless performance for reliability and QoS - Navigating FCC, FDA, and international wireless regulations - Design and test for EMI and EMC - Root cause analysis and remedial actions - CAE Experience: CST / ADS / Momentum / Matlab / Spice Strong analytic and problem-solving skills supporting creative thinking allow product tradeoffs evaluated against selection criteria, strengths, and weaknesses resulting in risk-managed solutions.
    vsuc_fltilesrefresh_TrophyIcon Bluetooth
    Antenna Testing
    Antenna Measurement
    GPS
    RF Design
    Antenna Design
    LoRa
    Zigbee
    GSM
    WiFi
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Can I hire a Bluetooth Freelancer within 24 hours on Upwork?

Depending on availability and the quality of your job post, itโ€™s entirely possible to sign up for Upwork and receive Bluetooth Freelancer proposals within 24 hours of posting a job description.

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