Hire the Best Bluetooth Freelancers in Hyderabad, IN

Helping Businesses Build Scalable, Secure & Revenue-Generating iOS Apps Are you looking for a seasoned iOS expert to develop a high-performance mobile application that drives engagement, revenue, and growth? With 12+ years of experience, I have helped businesses scale their digital products by delivering secure, high-performing iOS solutions with seamless integrations across BLE, IoT, FinTech, and enterprise ecosystems. 🔹 Specializing in: ✅ Smart Devices & IoT Apps – BLE-powered real-time connectivity & automation ✅ FinTech & Payment Solutions – Secure, seamless Apple Pay, Stripe, and Razorpay integrations ✅ Enterprise-Grade iOS Development – Scalable architectures, CI/CD automation, and cloud-based solutions ✅ watchOS & Health Tech – Apple Watch apps with motion tracking, safety alerts & health data processing ✅ Performance Optimization & Security – Reducing crashes, securing data, and enhancing user experience 🔹 Core Technical Expertise ✅ Programming & Frameworks: Swift, SwiftUI, Objective-C, UIKit, Combine ✅ Architectures: VODOO, VIPER, MVVM, Clean Architecture, Modularization ✅ Bluetooth & IoT: Core Bluetooth, BLE peripherals & central integration, real-time connectivity ✅ Concurrency & Performance Optimization: GCD, Operations, async/await, Instruments profiling ✅ Networking & APIs: RESTful APIs, WebSockets, URLSession, Alamofire ✅ Data Management & Storage: SwiftData, Core Data, Realm, SQLite, Firebase Firestore ✅ Security & Authentication: OAuth, Keychain, biometric authentication, data encryption ✅ CI/CD & DevOps: Fastlane, Jenkins, GitHub Actions, Bitrise for automated testing & deployment 🔹 Business Impact & Success Stories 🏆 Smart Helmet Safety Apps – Reduced false crash alerts by 30%, improved BLE connectivity for 20K+ users 💰 Airtel Payment Bank – Developed a secure mobile banking & payment gateway, increasing transactions by 25% 📊 OYO Hotel Booking – Enhanced booking experience, reducing transaction failures by 30% ⚡ PitchVision Sports Analytics – Built a real-time match tracking & video analytics platform ⌚ watchOS Health & Safety Apps – Integrated motion tracking & BLE synchronization, improving data transfer efficiency by 25% 🔹 Why Businesses Choose Me? ✅ Results-Driven Approach – Focused on business impact, scalability & ROI ✅ 12+ Years of Experience – Deep expertise in Swift, SwiftUI, Core Bluetooth, iOS, watchOS ✅ Certified Scrum Master (CSM) – Experience leading teams, managing sprints & delivering efficiently ✅ Proven Success in Scaling Apps – Built 40+ apps with millions of downloads ✅ Scalable & Maintainable Code – Expert in modern architectural patterns for long-term stability ✅ Deep BLE & IoT Expertise – Optimized Core Bluetooth for smart devices & wearable tech ✅ App Store Compliance & Optimization – Experienced in app submission, ASO, and performance tuning 💡 Looking to build a cutting-edge iOS app that drives business growth? Let’s discuss your vision. 🚀

Are you building an IoT product and need firmware that actually works in the field? I'm Lalith, an Embedded Firmware Engineer with 3+ years of hands-on experience delivering production-grade firmware for IoT devices. I specialize in: Microcontrollers: STM32, ESP32, ESP32-S2/S3, nRF5340, Raspberry Pi Protocols: SPI, I2C, UART, BLE, MQTT, HTTP/HTTPS, USB, Ethernet RTOS & Bare-Metal: FreeRTOS, Zephyr RTOS, DMA, OTA, Secure Boot Tools: ESP-IDF, STM32CubeIDE, PlatformIO, Balena OS I've worked across the full product lifecycle — from driver development and sensor integration to test firmware, production support, and OTA updates. My work at Alomind Labs and Adapt Ideations gave me deep experience building reliable IoT data loggers, and I currently deliver embedded products as a contractor at Spastha Dynamics. On Upwork, I've built a strong track record with clients across the globe, consistently delivering quality firmware on time. If you need someone who understands both the hardware and the software side of embedded systems, let's talk.

🚀 Senior Android & iOS Developer with 11+ years of experience building reliable, scalable, and production-ready mobile applications. I specialize in native Android and iOS development, helping startups, businesses, and product teams build high-quality mobile applications from concept to production. My experience includes Android development with Kotlin & Jetpack Compose, iOS development with Swift & SwiftUI, IoT/BLE integrations, REST APIs, Firebase, push notifications, background processing, and hardware/device communication. ━━━━━━━━━━━━━━━━━━━━━━━ 🧠 Core Technical Expertise ━━━━━━━━━━━━━━━━━━━━━━━ Android Development • Kotlin / Java • Jetpack Compose • Android SDK • MVVM / MVI / Clean Architecture • Kotlin Coroutines / Flow / StateFlow • Hilt / Dagger • Room Database • WorkManager • Retrofit / REST APIs • Android SDK & AAR Development iOS Development • Swift • SwiftUI • UIKit • MVVM Architecture • REST API Integration • Firebase • Push Notifications / APNs • WKWebView • App Store Deployment IoT & Device Integration • Bluetooth / BLE • IoT Device Communication • RS232 / Serial Device Integration • Hardware-to-Mobile Communication • BLE Data Chunking & MTU Handling • Background Device Communication • Device Connection & Reconnection Handling • Custom Communication Protocols Backend & Cloud Integration • REST APIs • Firebase • Supabase • Authentication • Push Notifications • Third-party API Integration Development & Release • Git / GitHub • CI/CD • Firebase Crashlytics • Google Play Console • App Store Connect • TestFlight • Production Release Management ━━━━━━━━━━━━━━━━━━━━━━━ 💼 What I Can Build For You ━━━━━━━━━━━━━━━━━━━━━━━ ✔ Native Android Applications ✔ Native iOS Applications ✔ Android & iOS Apps from Scratch ✔ IoT & BLE Mobile Applications ✔ RS232 / Serial Hardware Integrations ✔ Healthcare & E-commerce Applications ✔ Enterprise Mobile Applications ✔ API & Firebase Integrations ✔ Custom Android SDKs ✔ Existing App Maintenance & Modernization ✔ Jetpack Compose & SwiftUI Migration ✔ Google Play & App Store Releases ━━━━━━━━━━━━━━━━━━━━━━━ ⚡ Why Work With Me ━━━━━━━━━━━━━━━━━━━━━━━ • 11+ years of professional mobile development experience • Strong expertise in native Android development • Android + iOS development capabilities • Hands-on IoT, BLE, and device integration experience • Clean, scalable, and maintainable architecture • Experience working on real production applications • Strong debugging and performance optimization skills • Comfortable working with existing and complex codebases • Clear communication and regular project updates • Available for both short-term and long-term projects ━━━━━━━━━━━━━━━━━━━━━━━ 🚀 Let’s Build Your Mobile Product ━━━━━━━━━━━━━━━━━━━━━━━ Whether you need a new Android/iOS application, IoT device integration, BLE connectivity, an existing app upgraded, or help getting your application production-ready, I can help you build a reliable solution. Available for: ✔ Android Development ✔ iOS Development ✔ Kotlin / Jetpack Compose Projects ✔ Swift / SwiftUI Projects ✔ IoT & BLE Integrations ✔ RS232 / Serial Device Integrations ✔ App Maintenance & Bug Fixing ✔ Long-term Mobile Development