Whether you're at the early stages of idea development or seeking expert technical knowledge, Sparkleo Technologies is here to empower your IoT journey. Our dedicated team guides you through the entire process, presenting various paths and weighing the pros and cons of each choice. We are a dedicated team of 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫𝐬, 𝐄𝐦𝐛𝐞𝐝𝐝𝐞𝐝 𝐝𝐞𝐯𝐢𝐜𝐞𝐬 𝐞𝐱𝐩𝐞𝐫𝐭𝐬, 𝐝𝐞𝐬𝐢𝐠𝐧𝐞𝐫𝐬, 𝐚𝐧𝐝 𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐚𝐬𝐬𝐮𝐫𝐚𝐧𝐜𝐞 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐬. We specialize in: 📱 𝐌𝐚𝐤𝐢𝐧𝐠 𝐀𝐧𝐝𝐫𝐨𝐢𝐝 𝐚𝐧𝐝 𝐢𝐎𝐒 𝐚𝐩𝐩𝐬 that can communicate with hardware using Bluetooth (Bluetooth Classic, Bluetooth Low Energy, iBeacons), Wi-Fi (Firebase Database), NFC, and RFID. 🎮 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 𝐦𝐢𝐜𝐫𝐨𝐜𝐨𝐧𝐭𝐫𝐨𝐥𝐥𝐞𝐫𝐬 such as ESP32s, and Arduino. 👨🏻‍💻 𝐌𝐚𝐤𝐢𝐧𝐠 𝐀𝐝𝐦𝐢𝐧 𝐩𝐚𝐧𝐞𝐥𝐬 𝐚𝐧𝐝 𝐝𝐚𝐬𝐡𝐛𝐨𝐚𝐫𝐝𝐬 for managing data from IoT devices. 🎨 𝐃𝐞𝐬𝐢𝐠𝐧𝐢𝐧𝐠 𝐰𝐨𝐫𝐥𝐝-𝐜𝐥𝐚𝐬𝐬 𝐚𝐧𝐝 𝐦𝐨𝐝𝐞𝐫𝐧 𝐔𝐈 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐬. 🧪 𝐏𝐫𝐨𝐯𝐢𝐝𝐢𝐧𝐠 𝐭𝐡𝐨𝐫𝐨𝐮𝐠𝐡 𝐭𝐞𝐬𝐭𝐢𝐧𝐠 𝐚𝐧𝐝 𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐚𝐬𝐬𝐮𝐫𝐚𝐧𝐜𝐞 𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 through a variety of platforms and real-life environments. 📦 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐢𝐧𝐠 𝐒𝐃𝐊𝐬 𝐟𝐨𝐫 𝐲𝐨𝐮𝐫 𝐈𝐨𝐓 𝐝𝐞𝐯𝐢𝐜𝐞𝐬. ☎️ 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐩𝐫𝐨𝐝𝐮𝐜𝐭 𝐡𝐮𝐧𝐭𝐢𝐧𝐠 to find the right solutions for your project. We have made apps that communicate with fitness bands, speakers, medical equipment, industrial equipment, toys, all types of sensors, and much more. We will professionally and systematically manage the entire project, from hardware and software design to thorough testing. Why Choose Us: ❇️ Process-driven excellence with top-notch team members. ❇️ Highly maintainable projects with documented source code. ❇️ Our ultimate goal is your complete satisfaction and a big smile on your face!" Some of the most amazing projects we had the pleasure of working on are attached in the 𝐩𝐨𝐫𝐭𝐟𝐨𝐥𝐢𝐨 𝐬𝐞𝐜𝐭𝐢𝐨𝐧 𝐛𝐞𝐥𝐨𝐰 ⬇️ Check out our website 𝐬𝐩𝐚𝐫𝐤𝐥𝐞𝐨.𝐢𝐨 and our LinkedIn "Sparkleo Technologies" for more details. So Allow us to serve you 😇! Feel free to ask us any questions. We would love to hear about your project!

✅ TOP Rated Developer ✅ 100% Job Success ✅ 5 Star Reviews ✅ 9+ Years Experience 🏆 Award-Winning Mobile App Development helping entrepreneurs/startups build highly scalable mobile apps that win in the marketplace. 
🏆 Quality-oriented Developers with 9+ years of experience in iOS And Android Mobile Apps development with specialization in Bluetooth, Bluetooth Low Energy, iBeacon, and IoT application development. If you are looking for an expert in Mobile App Developers for Bluetooth, iBeacon, or IoT application development, you are in the right place. We have extensive experience in these areas and can help you bring your ideas to life with a Mobile application that can interact with your hardware and leverage the capabilities of Bluetooth and iBeacon technology. My Profile Highlights: ✅ TOP RATED Mobile App Developer ✅ Expert in BLE, Bluetooth, IoT, NFC, MQTT, iBeacon ✅ Developed Apps for iOS, Android, WatchOS, macOS, WearOS, and many more ✅ Experience with MVC and MVP architecture patterns. I have expertise in the following:- ✅ To build a Native Application using Swift, Objective C, SwiftUI, Java, Kotlin. ✅ BLE, Bluetooth, IoT, NFC, MQTT, iBeacon-based applications ✅ Fitness/Health sector apps ✅ Home Automation / Industrial Automation ✅ Wearable devices ✅ Automotive infotainment ✅ Proximity and location-based services ✅ Point of purchase and retail ✅ Asset Tracking ✅ OTT Application development ✅ Web services-based applications using React, Angular, PHP ✅ Things Finder Application Development ✅ Bluetooth SDK & API Development ✅ nRF Firmware Upgrade Specialist ✅ Fleet Management ✅ SDK Development ✅ NFC & QR Code based App Development ✅ Expert in Project Management, Version Control, GitHub, GitLab, Bitbucket I'm eager to work with you to provide reliable, consistent, and High-Level solutions to design/development challenges. Please contact me, so we can discuss how we can work together to FULLY meet your Business Needs! Thank you.

🌟 Top-Rated Upwork Professional 🧑🏻‍💻 9+ years of experience 📱 Android | Kotlin | Java | Jetpack Compose | Kotlin-Multiplatform | WearOS | AndroidTV | 🚀 AI | ChatGPT | 💻 Firebase | VoIP | Linphone With over 9 years of extensive experience as an Android Developer, I specialize in native Android application programming with a strong focus on SCRUM/Agile workflow. 
 
I have a proven track record of delivering high-quality mobile applications in various domains, including:
 * Airline Domain * Banking Domain * Cargo Management Domain * Logistics Domain * Financial Domain * Social Media/Dating Domain with Video/Audio Chats * Location Tracking Domain
 My expertise in mobile development includes:
 * Programming Languages: Java, Kotlin * Architectural Patterns: MVVM, MVP, MVC * Design Patterns, Custom Controls, and REST API integration * Material Design, Mobile UI/UX, and Firebase integration (AdMob, Analytics, A/B testing, etc.) * Jetpack Compose, Jetpack Navigation * Firebase Realtime Database and Storage * Android SDK, NDK, Open Source, Support Libraries * Reactive Programming with rxJava and rxAndroid * Dependency Injection using Dagger, Kodein, and Hilt * Databases: SQLite, Room, Realm, Page * Network Libraries: Retrofit, OkHttp, Volley, ktor * Image Loading Libraries: Picasso, Glide * Crash Reporting and Analytics Tools: Crashlytics, Firebase, Fabric, LeakCanary, Timber * Other Libraries: Gson, AutoValue, JodaTime, AndroidJob, Google Services * Sockets/SignalR * Kiosk Mode * SonarQube code coverage * Kotlin-Multiplatform (One POC)
 * Wear OS & Smartwatch development In addition, I am an expert in the Linphone SDK, a powerful tool for building voice and video communication applications. I have in-depth knowledge of integrating and customising the Linphone SDK to create high-quality, real-time voice and video chat functionalities within Android applications. I am experienced in implementing Linphone's advanced features, including call management, audio/video codecs, encryption, push notifications, and more. Whether you need to develop a VoIP application from scratch or enhance an existing app with Linphone capabilities, I can provide the expertise you require.
 I have integrated various features and technologies into Android applications, including:
 * Beacons integration for proximity-based interactions * Calendar API integration for managing events and schedules * QR Code integration for scanning and processing QR codes * OCR (Optical Character Recognition) integration for text recognition and extraction
 For multimedia capabilities, I have integrated Video Chat using WebRTC, Twilio, and Agora, as well as Audio Streaming. I am familiar with ExoPlayer for HLS Video Streaming (HTTP Video Streaming), RTSP Video Streaming, and DASH Video Streaming.
 Other skills and features I offer include Custom Calendar development, Media Gallery implementation, Background Download and Upload functionality, Tiff file format handling in Android, Live Streaming using Agora SDK, Deep Linking, LeakCanary for memory leak detection, and code annotations to improve the linting process.
 Experienced Kotlin Multiplatform Developer with a track record of delivering efficient cross-platform solutions. Proficient in Kotlin Multiplatform Mobile (KMM) and skilled in creating high-performance apps for Android, iOS, web, and more. Experienced Jetpack Compose Developer, proficient in creating dynamic, interactive, and modern Android UIs. Skilled in leveraging Jetpack Compose's power to build visually stunning and responsive applications. - Experience migrating target api level 33 - Update existing app I am fluent in English and passionate about Android development. Please feel free to reach out to me with any Android-related questions or projects. I would be pleased to help you bring your ideas to life.

✅ TOP Rated Developer ✅ 100% Job Success ✅ 5 Star Reviews ✅ 12+ Years Experience ✅One of the Best Bluetooth (Classic & BLE) , IoT (Internet of Things), NFC, Hardware and Firmware Developer. 🚀 Quality-oriented professional with 12+ years of experience and proven knowledge of application development. Worked with local and also overseas clients, to develop a tailor-made app to best suit the needs of end-user. Skilled at developing & operating in native, hybrid mobile application, Web application, and SDK development. Worked with many Bluetooth (Classic and BLE) based products like Health care devices, Fitness devices, Home Automation devices, Things Finder devices, Wearable devices. Also worked with iBeacons/Beacons like Eddystone, Estimote, Gimble, AltBeacon, UFO, Minew. -------------------------------------------------- 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 in 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 test flight, google play using Fastlane (auto-deployment) - Lead/Train Flutter developers ------------------------------ Skilled Specislist for: ------------------------------- - Bluetooth Classic And BLE (Bluetooth Low Energy) Application Development - iBeacon/Beacon Application Development - Eddystone Application Development - IoT Based Application Development - Beacon Based Proximity Marketing Solution - Beacon Based Indoor Navigation - NFC & QR Code based App Development - Android Wear & Apple Watch Application Development - Fitness & Wearable Application Development - Things Finder Application Development - Bluetooth SDK & API Development - Bluetooth (Classic/BLE) Consultancy - nRF Firmware Upgrade Specialist. - Assets Tracking - Fleet Management - 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, Himen

9+ years of Mobile development experience in different technologies (Android, Flutter, Kotlin Multiplatform). I developed Flutter applications for police tablets for government, health care project to work with HRM/BPM and Android applications for smart sockets (with GSM-module) and smart devices to measure temperature (connect via Bluetooth and Wi-Fi), health care app for people with bipolar disorder, apps with video transcoding (mobile FFMpeg), advertising platform for TV, social network based on location, cloud storage, manage orders for loaders, time trackers for employees.

Elite AIoT & Bluetooth Innovation Architect: Revolutionizing Connectivity with BLE, NFC, & Smart Tech. As an ✦Upwork Top Rated Plus✦ 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? ✦ Comprehensive Development Lifecycle Mastery: From ideation to launch, navigating the complexities of product development, ensuring your vision materializes into a market-ready, impactful solution. ✦ 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. ✦ 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: ➤ Wearable Technology & Smart Devices: Crafting the future of personal tech with bespoke solutions. ➤ Home Automation: Turning smart homes into intelligent ecosystems. ➤ Health & Wellness: Enhancing lives with tech-driven health insights. ➤ Sports & Fitness: Redefining athletic experience with data and connectivity. ➤ Automotive Infotainment: Driving the future of in-vehicle entertainment. ➤ Proximity Services & Retail: Bridging the gap between digital convenience and physical shopping. ➤ 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.

👋 iOS Developer with 7 years of proven experience in software development. Bluetooth | BLE Expert PRIMARY SKILLS: - Swift, Objective-C; - SwiftUI; - REST API, Web Sockets; - CoreData, Realm, Firebase; - RxSwft; - Google (login, analytics, map, places); - Facebook, VK, LinkedIn (login); - CI/CD (TeamCity); - Unity integration; - Fabric, Crashlytics, Google Analytics, OneSignal, Fyber, AppsFlyer, Firebase, Flurry, mailcore2-ios; - Bluetooth: BLE, GATT server and client, beacons (eddystone, IBeacon); - In-App Purchases (consumable, auto-renewable subscriptions); - Deep links, dynamic links. I am working on Upwork as an independent freelancer and under the CitrusDev Upwork agency as well. Will send a detailed CV upon request.

Experienced iOS developer with 5+ years in Objective-C, Swift, UIKit, and SwiftUI. Proficient in BLE, In-app purchases, Apple Sign In, CoreData, Realm, and Widgets. Also skilled in creating iPad, macOS, and Watch apps. Let's collaborate on your next iOS project!

𝐀𝐏𝐏𝐒 𝐖𝐎𝐍 𝐀𝐖𝐀𝐑𝐃𝐒 & 𝐑𝐄𝐂𝐎𝐆𝐍𝐈𝐙𝐄𝐃 𝐁𝐘 𝐘𝐂 == 𝐄𝐗𝐏𝐄𝐑𝐓 𝐢𝐎𝐒 𝐀𝐏𝐏 𝐃𝐄𝐕𝐄𝐋𝐎𝐏𝐄𝐑 - 𝟖+ 𝐘𝐄𝐀𝐑𝐒 🎱 Prior to developing iOS apps, I worked as a software analyst and researcher. Therefore, my skill in selecting the appropriate frameworks and technologies enables me to create slick, fluid, end-to-end mobile apps for my clients. 🎱 Why my clients are happy: Quite a bit of my time is devoted to making beautiful and functional iOS apps. My clients routinely remark on the cutting-edge BLE, IoT, MAP-UI, and AI-ML projects I have developed for them. 𝐒𝐔𝐂𝐂𝐄𝐒𝐒𝐅𝐔𝐋 𝐏𝐑𝐎𝐉𝐄𝐂𝐓𝐒 --------------------------------- - Mobile apps for On-demand - MAP-UI - Machine Learning & Deep Learning Models - IoT Apps & BLE Apps - Mobile apps for Online Coaching - ChatBot and ChatGPT Builder (Dialogflow & Amazon Lex) 𝐄𝐍𝐃 𝐓𝐎 𝐄𝐍𝐃 𝐒𝐔𝐏𝐏𝐎𝐑𝐓 𝐅𝐎𝐑 𝐘𝐎𝐔𝐑 𝐀𝐏𝐏 --------------------------------------------------- - Project Analysis & Wireframing - UI/UX Designing - Native iOS - Cloud Backend & APIs (I AM A CLOUD ARCHITECT) - App Optimization & Maintenance - Project management: Trello & Jira - DevOps: CDev - GIT | CI- Jenkins | CT - Selenium | CDep - Chef & Puppet | CM: New Relic | Docker 𝐌𝐘 𝐂𝐋𝐈𝐄𝐍𝐓𝐒 𝐀𝐑𝐄 𝐇𝐔𝐒𝐓𝐋𝐈𝐍𝐆 - 𝐖𝐄 𝐇𝐔𝐒𝐓𝐋𝐄 𝐓𝐎𝐆𝐄𝐓𝐇𝐄𝐑 -------------------------------------------------------------------------- - Influencers (Technical & Non-technical) - Entrepreneurs (Technical & Non-technical) - Well-funded Startups (Technical & Non-technical) - Noteworthy Organizations (Technical & Non-technical) - Foreign govt. organizations (Technical & Non-technical) 💬 For help with your upcoming mobile app, feel free to invite me. I'd be happy to help you build a full-assed app.

"brings new insights and plussed-up solutions, responsive and clear with top-quality work. Have already hired again!" ✅ Clients have been impressed by my professional approach, ability to complete tasks ahead of schedule, and deep knowledge of iOS development. ✅ Exceptional problem-solving skills, innovation, self-management and excellent communication abilities. ✅ An active contributor to GitHub. 10+ years✓ $200k+ earnings✓ 2000+ hours✓ iOS & watchOS✓ Individual freelancer✓ Selective client feedback: “…works well independently, brings new insights and plussed-up solutions, responsive and clear with top-quality work. Have already hired again!” “We knew we would need to rely heavily on our developer to be highly organised and innovative, and to very much self-manage the development process, and Theo delivered" “Excellent work - understood the task well, provided good feedback, completed work well within schedule.” “provide me with a very straight forward and well thought out plan” “Theo would be the best choice” Some of my key success areas are: ✅ Creating new apps from scratch ✅ Update or fix older and defunct apps written in Objective-C or Swift ✅ Usage and integrate with backend services such as REST ✅ Advise on feature possibilities and Apple App Store guidelines ✅ Bluetooth integrations ✅ Worked with HealthKit, CoreBluetooth, CoreGraphics, UIKit, SwiftUI, CoreLocation, In-app purchases, CoreData and skilled in many of the other iOS frameworks and open source frameworks. ✅ Skilled with UI/UX animation tools such as PaintCode and their effective use in CoreGraphics ✅ Skilled with AI technologies such as MyScript that analyse someone's handwriting ✅High client retention rate (80%+). Clients stick with me! ✅More than just fingers and hands that punch code If you are interested or need more info, let me know. Theo