Hire the best Bluetooth Freelancers in California
Check out Bluetooth Freelancers in California with the skills you need for your next job.
- $60 hourly
- 4.9/5
- (25 jobs)
🏆 Top Rated Plus 🏆 10+ years of experience 💡🧠 🛠️ crafting high-quality mobile solutions 💻📱 for iOS, Android, and Flutter. I don't just build apps, I architect 🎨 and lead the development of robust 💪🛡️, scalable software 📈 that solves real-world problems 🧩 and delivers exceptional user experiences 🌟. My Expertise: ✅ Flutter Architect: I've spearheaded successful migrations of native apps to Flutter, reducing development time and boosting performance. I'm proficient in building custom Flutter plugins, optimizing for web and mobile, and deeply understand Flutter's architecture and best practices. ✅ SDK & Plugin Development: I have a proven track record of creating multi-platform SDKs and plugins that streamline development and enhance functionality for other developers. My focus is on clean code, intuitive APIs, and seamless integration. ✅ Mobile-First Strategy: I'm passionate about creating mobile experiences that prioritize user engagement and satisfaction. I have a strong understanding of mobile design principles and UI/UX best practices. ✅ Technical Leadership: I've led teams, mentored developers, and fostered collaboration to deliver complex projects on time and within budget. I'm a certified Scrum Master with experience in Agile methodologies. My Skills: ✅ Languages: Swift, Objective-C, Java, Kotlin, Dart, C/C++, C# ✅ Platforms: Flutter, iOS, Android, Web ✅ Tools: Xcode, Android Studio, Git, CocoaPods, Firebase, RESTful APIs, GraphQL, MQTT, BLE, NFC ✅ Methodologies: Agile, Scrum, Mobile-First Design, Clean Architecture, SOLID Principles 🤝 Let's Collaborate! 🤝 I'm eager to apply my skills and experience to your next project. Whether you need a Flutter expert, a Mobile developer, an SDK developer, or a technical leader to guide your team, I'm ready to deliver results that exceed your expectations.Bluetooth
Machine LearningPythonFirebaseMQTTC#C++KotlinJavaSwiftObjective-CDartFlutterAndroidiOS - $95 hourly
- 5.0/5
- (4 jobs)
Developed and published over 200 mobile apps, and various SDKs. Lots of experience creating apps with wireless communication (Bluetooth, WiFi, NFC) - 15+ years of native iOS app development experience with Objective-C, Swift, SwiftUI. - 9+ years of native Android app/SDK development experience. - Experience with: - Flutter - Kotlin Multiplatform - React Native Developing AR apps for Apple Vision Pro - Python - Developed scripts and automation tools for Blender - Blender - Created assets for VisionOS apps - Apple RealityKit/AVKit - Experience with: - Unity - Unreal Engine Experienced UX/UI DesignerBluetooth
BlenderNFCKotlinFlutterPythonAndroid AppiOS DevelopmentSoftware Development - $40 hourly
- 5.0/5
- (3 jobs)
¥ Extensive experience in testing embedded software on Android, iOS and Windows devices, Bluetooth testing ¥ Experience in testing Mobile, Web, Cloud and Server side Applications ¥ Strong knowledge and understanding of QA life cycle from Requirement analysis to User Acceptance Testing ¥ Experience in developing test plans, test scripts based on User Requirements and System Requirements Specifications ¥ Proficient in Functional, Integration, Regression, User Acceptance, Security, and Performance testing ¥ Working knowledge of software development life cycle ¥ Ability to learn new technologies and challenging concepts quickly and implement them ¥ Proven organizational, analytical, and communication skills (verbal and written)Bluetooth
ShopifyiOSQuality ControlTest ExecutionTest StrategyMobile App TestingUsability TestingRegression TestingFunctional TestingWeb TestingAPI TestingUser Acceptance Testing - $80 hourly
- 3.2/5
- (21 jobs)
With over a decade of experience in the tech industry, both in South Korea and Silicon Valley, I’ve established a reputation for overcoming technical challenges with innovative solutions. My passion for engineering, ignited before high school, drives me to excel in both professional and personal projects. I specialize in hardware and software design, particularly in wearable and portable bio-signal instrumentation, including Brain-Imaging devices utilizing fNIRS, EEG, and Ultrasound for medical and research purposes. What I Can Offer: Project Management & Research: - Expertise in high-level project management and research with a strong foundation in hardware and firmware integration for efficient project execution. - Successfully managed and completed projects for various clients, ensuring timely delivery and high-quality results. Hardware Design: - Proficient in circuit design, component selection, electrical schematics, and PCB layout using Altium Designer. - Deliverables include comprehensive manufacturing files (Gerber files, NC drill, pick and place, assembly diagrams, 3D prints, 3D STEP models, and electrical schematics). - Experienced in analog and digital design, RF, high-speed design, and microcontrollers. - Knowledgeable in various technologies and protocols: SPI, I2C, UART, USB, CAN, RS-485, Ethernet, Bluetooth, WiFi, etc. - Designed hardware for over 20 successful projects, many of which are currently being sold in the market. - Developed wearable and portable bio-signal instrumentation for brain-imaging devices, contributing to advancements in medical and research fields. Prototyping: - Cost-effective prototype manufacturing through established relationships with manufacturers in China, Europe, and the US. - Equipped with extensive tools: multimeters, oscilloscopes, logic analyzers, vector network analyzers, USB protocol analyzers, power supplies, digital electronic loads, and soldering equipment. - Produced high-quality prototypes for clients, leading to successful product launches. Firmware Development: - Over 10 years of coding experience in C/C++ and extensive firmware development. - Proficient in ARM Cortex microcontrollers (STM32, Nordic, Ambiq Apollo), ESP32, Raspberry Pi, Arduino ARM, TI, NXP, Atmel, PIC, FPGA firmware (VHDL, Verilog), and production-quality firmware delivery. - Specialized in ST and Nordic microcontrollers for efficient and quick firmware development. - Developed firmware for a wide range of applications, including medical devices, consumer electronics, and industrial automation. AI/Machine Learning: - Expertise in computer vision and machine learning project architecture/design (Tensorflow, Keras, PyTorch). - Skilled in embedded image processing solutions (Jetson Orin, Raspberry Pi, Intel Movidius, OpenVINO). - Capable of training models for specific purposes, managing dataset collection/preparation, and deploying applications on GCP (Google Cloud Platform) with NVIDIA GPU experience. - Developed and deployed machine learning models for object detection, shape recognition, and action recognition, enhancing product functionality and user experience. Software Development: - Competent in developing software tools for debugging, testing, and manufacturing across Linux/Windows/Mac platforms. - Created user-friendly GUIs and tools to streamline development and testing processes. Wireless Technologies: - Proficient in Bluetooth and BLE-enabled devices, 2.4GHz radio transmitters, and custom analog and digital radio systems. - Developed wireless communication systems for various applications, ensuring reliable and efficient data transmission. Manufacturing Services: - Offering contract manufacturing services to deliver finished products ready for market, ensuring high quality and reliability. - Collaborated with manufacturers to optimize production processes and reduce costs. Professional Integrity: - My rates reflect my extensive experience and knowledge, and I only bill for meaningful project advancement, ensuring transparency and value for my clients. - Committed to delivering high-quality results and providing ongoing support to clients after project completion.Bluetooth
RoboticsC++CARM MicrocontrollerFreeRTOSVerilogFPGAESP32WiFiPower ElectronicsIndustrial Internet of ThingsAltium DesignerMultilayer PCBElectronics - $95 hourly
- 0.0/5
- (0 jobs)
Experienced Kotlin developer with 15 years of professional experience in Android app development. Proficient in Kotlin and Java, specializing in creating robust, efficient, and modern Android applications. Skilled in Android Jetpack components, MVVM architecture, RESTful APIs integration, and optimizing app performance. Strong problem-solving abilities and a proven track record of delivering high-quality projects on time.Bluetooth
Bluetooth BeaconBluetooth LEAndroid App DevelopmentAndroidJavaKotlin - $85 hourly
- 0.0/5
- (0 jobs)
Driven by a passion for building products, I founded and led the development of OkMe, the first Bluetooth panic button for rideshare drivers (hardware + app). With just $500, I took OkMe from concept to launch using a Lean Startup approach, earning recognition from investor Mark Cuban, media coverage, and a Top-5 Product of the Day on Product Hunt. Currently, I’m a Product Manager & Business Developer at Stack IT, a software development studio, where I guide clients through product management while driving internal business growth. I’m always exploring and leveraging new AI tools.Bluetooth
UI/UX PrototypingTeam ManagementProject PrioritizationMarket ValidationBrand ConsultingLead QualificationSalesProject ManagementLean StartupAgile Software DevelopmentUX WireframeScrumProduct ManagementProduct Backlog - $125 hourly
- 4.0/5
- (20 jobs)
Hello and welcome to your successful journey of technological innovation. I am Leonard, your technical sherpa, guiding you through the complex landscape of electronic engineering and product creation. With four decades of experience in creating assembly and manufacturing drawings for printed circuit board assemblies (PCBAs), wiring diagrams, cable assembly drawings, and product assembly, we are your expert partners in turning visionary ideas into tangible success. Our Expertise: We specialize in quick turnaround prototyping for complex projects, excelling in streamlined processes developed over years. Our forte lies in the miniaturization of circuitry, recently integrating a medical-grade System-on-Module (SoM) 8-channel EEG into a compact 1” sq design, preparing for manufacturing. Technical Proficiency: Our expertise spans across a vast array of skills and technologies, including schematic design, PCB layout, manual flying-probe testing, and hand-assembling and rework of prototypes. We excel in embedded firmware development, bootloader management, microcontroller RTOSs, and on-board communications. Our design for manufacturing (DFM) capabilities ensure compliance with FCC, CE, UL, and FDA standards. Innovation and Intellectual Property: We are pioneers in wireless technology, satellite communications, power management, OTA updating, edge computing, digital signal processing, and AI machine learning. Our commitment to innovation is demonstrated through our active involvement in patent creation and evaluation, ensuring our solutions are not only effective but also protected. Invitation to Connect: We invite you to explore our portfolio and consider how our expertise can transform your project ideas into reality. Let’s embark on a conversation, be it through phone or Zoom, to discuss how we can facilitate your journey to success Thank you for considering us as your partner in innovation. Best regards, LeonardBluetooth
PrototypingEmbedded SystemEagleSchematicAndroid App DevelopmentFirmware ProgrammingPCB DesignEmbedded ApplicationHardware DesigniOS DevelopmentC++ - $65 hourly
- 0.0/5
- (0 jobs)
I am professional Mobile App Developer having expertise in Android and iOS app development, and work closely with computer analysts and engineers in using languages such as Swift, Objective-C, C++, Java, FireBase, and Xcode to develop the necessary specifications for software and also test, debug, and improve applications for clients and often collaborate with product and design teams. Let's schedule a short call to discuss your requirements with you. ➼What is my Mobile development skills? ✔️App design ✔️Software design ✔️Coding ✔️Native app writing ability ✔️Backend web services knowledge ✔️Knowledge of UX and UI ✔️Unit tests, automation, and code reviews ✔️Creativity and brainstorming ✔️Organization and ability to multi-task ✔️Willingness to learn new technology ✔️APIs ✔️Complex problem solving ➼What is my suggested software proficiency? ✔️Linux/Unix ✔️Phython, Perl, Shell Scripting ✔️Java ✔️C# ✔️Swift ✔️ORACLE ✔️Apache ✔️iOS ✔️Adobe Systems Adobe ActionScript ✔️ABAP ✔️Drupal ✔️HTML ✔️LAMP Stack ✔️Ruby On RailsBluetooth
APIiOS SDKAndroid SDKMobile App DevelopmentSwiftAndroidiOSJavaC# - $50 hourly
- 4.0/5
- (1 job)
Hello! My name is Luka Winter, professional hardware engineer My job is design hardware circuit, test circuit, program for electronic product and program software on PC to manage/communicate with circuit boards. Just give me your requirements/product specification. Then we can discuss about the deadline, price and other features. I have more than 7 years experience in design hardware for IoT Products, Consumer Products and Telecom Products. So I think i can try my best to complete your project with best result Below is my work flow in hardware design: - Receive your requirements, discuss to have final product/circuit specs - Design block diagram for circuit: need to very detail, it will decide what part will be used in project - Design schematics: follow block diagram to design schematic for product - Design PCB Layout: with requirement about Mechanical Design and Industrial Design, i will do the PCB Layout the fit with your MD that archive best performance - Extract production data: BOM, CAD, GERBER, DESIGN, ASSEMBLY GUIDELINE, IMPEDANCE CONTROL REQUIREMENTS, ... Something about my experience: - About microcontroller: STM32F0/F1/F2/F4/F7, MSP430, MSP432, ATMEGA, ATSAM, PIC, ... - About SoC and MPU: RK3399, Allwinner A10, RTS3902L/RTS3902, RTL8188/8192, ... - About dev board: Arduino, RPi, Teensy, ... - About Wireless MCU: ESP8266, ESP32, CC2530, CC2538, DA14580/14583, CC2540/41, nRF51822/nRF52840, CC1310, ... - About Sensor: CMOS Image Sensor, light sensor, CO, Smoke Sensor, Dust Sensor, Air Sensor, pH sensor, .... - About wireless communication: WiFi, BLE4.0/4.1/4.0, Lora, Zigbee, Sub1GHz, ... - About GPRS/3G/LTE Module: SIM800C/H, SIM900A, SIM908, SIM5320, SIM5360, Quectel MC60/M95/UC15/UC20/EC20, Sierra HL8548, SIM7600E. Some of my product that I have designed and released to the market: - Home IP Camera: using SoC with DDR3-RAM, livestream via Ethernet and WiFi, have light sensor, IR-Led Array, IR Cut control, CMOS Image Sensor, Flash, USB and MicroSD Card - Smart Home Product: Design Home Gateway with Ethernet, WiFi, Zigbee and TFT LCD, ... Design Smart Switch with capacitive touch, Zigbee communication, Single Phase Power Meter, 220VAC/110VAC load control, ... - Tablet board: using RK3399 SoC, DDR3, eMMC, NAND Flash, Touch Screen, LTE Module, Printer driver, ... - Smart Water Meter: With BLE, WiFi, MCU from TI, LCD 7 Segment - Tracking Device: Using 3G with GPS, this device is used for personal tracking ... and a lot of other products ... I hope to work with you, to help you complete your project and release your product to the marketBluetooth
FirmwareElectronicsPrinted Circuit BoardElectronic WorkbenchEmbedded SystemESP8266STM32F4ESP32STM32ArduinoKiCadAltium DesignerPCB DesignMultilayer PCB - $100 hourly
- 0.0/5
- (0 jobs)
I thrive on bringing technology and products to life. Proactive and detail-driven with broad embedded software development, commercialization, and life-cycle experience in multiple fields including IoT, wireless, mobile, automotive, medical, and consumer devices. Comfortable and experienced with building and leading teams and projects, forming strong cross-functional relationships, and engineering independently. Excellent problem-solving, collaborative, verbal, and communication skills. Quick proficiency in new technology, software languages, tools, and platforms.Bluetooth
ESP32STM32JiraGitDriver DevelopmentSoftware Architecture & DesignGPSReal-Time Operating SystemScriptingCEmbedded Operating SystemEmbedded SystemEmbedded CFirmware Want to browse more freelancers?
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