Hire the Best Bluetooth Specialists in Hyderabad, IN

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Shobha D.

Hyderabad, India

$15/hr
5.0
22 jobs

๐Ÿš€ 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. โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” ๐Ÿง  Core Technical Expertise โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” Android Development โ€ข Kotlin / Java โ€ข Jetpack Compose โ€ข Android SDK โ€ข MVVM / MVI / Clean Architecture โ€ข Kotlin Coroutines / Flow / StateFlow โ€ข Hilt / Dagger โ€ข Room Database โ€ข WorkManager โ€ข Retrofit / REST APIs โ€ข Android SDK & AAR Development iOS Development โ€ข Swift โ€ข SwiftUI โ€ข UIKit โ€ข MVVM Architecture โ€ข REST API Integration โ€ข Firebase โ€ข Push Notifications / APNs โ€ข WKWebView โ€ข App Store Deployment IoT & Device Integration โ€ข Bluetooth / BLE โ€ข IoT Device Communication โ€ข RS232 / Serial Device Integration โ€ข Hardware-to-Mobile Communication โ€ข BLE Data Chunking & MTU Handling โ€ข Background Device Communication โ€ข Device Connection & Reconnection Handling โ€ข Custom Communication Protocols Backend & Cloud Integration โ€ข REST APIs โ€ข Firebase โ€ข Supabase โ€ข Authentication โ€ข Push Notifications โ€ข Third-party API Integration Development & Release โ€ข Git / GitHub โ€ข CI/CD โ€ข Firebase Crashlytics โ€ข Google Play Console โ€ข App Store Connect โ€ข TestFlight โ€ข Production Release Management โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” ๐Ÿ’ผ What I Can Build For You โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โœ” Native Android Applications โœ” Native iOS Applications โœ” Android & iOS Apps from Scratch โœ” IoT & BLE Mobile Applications โœ” RS232 / Serial Hardware Integrations โœ” Healthcare & E-commerce Applications โœ” Enterprise Mobile Applications โœ” API & Firebase Integrations โœ” Custom Android SDKs โœ” Existing App Maintenance & Modernization โœ” Jetpack Compose & SwiftUI Migration โœ” Google Play & App Store Releases โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โšก Why Work With Me โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ€ข 11+ years of professional mobile development experience โ€ข Strong expertise in native Android development โ€ข Android + iOS development capabilities โ€ข Hands-on IoT, BLE, and device integration experience โ€ข Clean, scalable, and maintainable architecture โ€ข Experience working on real production applications โ€ข Strong debugging and performance optimization skills โ€ข Comfortable working with existing and complex codebases โ€ข Clear communication and regular project updates โ€ข Available for both short-term and long-term projects โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” ๐Ÿš€ Letโ€™s Build Your Mobile Product โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” 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: โœ” Android Development โœ” iOS Development โœ” Kotlin / Jetpack Compose Projects โœ” Swift / SwiftUI Projects โœ” IoT & BLE Integrations โœ” RS232 / Serial Device Integrations โœ” App Maintenance & Bug Fixing โœ” Long-term Mobile Development

  • MERN Stack
  • React
  • Next.js
  • ExpressJS
  • Node.js
  • JavaScript
  • TypeScript
  • Tailwind CSS
  • SaaS Development
  • MongoDB
  • Web Development
  • Responsive Design
  • Socket.io
  • Websockets
  • Third-Party Integration
  • Front-End Development
  • Back-End Development
  • Full-Stack Development
Lalith K.

Hyderabad, India

$15/hr
4.5
23 jobs

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 โ€” 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.

  • ESP32
  • Arduino
  • Embedded System
  • Embedded C
  • PIC
  • FreeRTOS
  • Proteus Design Suite
  • EasyEDA
  • Electronic Circuit Design
  • Internet of Things
  • nRF52
Shubham M.

Hyderabad, India

$25/hr
5.0
3 jobs

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. ๐Ÿ”น Specializing in: โœ… Smart Devices & IoT Apps โ€“ BLE-powered real-time connectivity & automation โœ… FinTech & Payment Solutions โ€“ Secure, seamless Apple Pay, Stripe, and Razorpay integrations โœ… Enterprise-Grade iOS Development โ€“ Scalable architectures, CI/CD automation, and cloud-based solutions โœ… watchOS & Health Tech โ€“ Apple Watch apps with motion tracking, safety alerts & health data processing โœ… Performance Optimization & Security โ€“ Reducing crashes, securing data, and enhancing user experience ๐Ÿ”น Core Technical Expertise โœ… Programming & Frameworks: Swift, SwiftUI, Objective-C, UIKit, Combine โœ… Architectures: VODOO, VIPER, MVVM, Clean Architecture, Modularization โœ… Bluetooth & IoT: Core Bluetooth, BLE peripherals & central integration, real-time connectivity โœ… Concurrency & Performance Optimization: GCD, Operations, async/await, Instruments profiling โœ… Networking & APIs: RESTful APIs, WebSockets, URLSession, Alamofire โœ… Data Management & Storage: SwiftData, Core Data, Realm, SQLite, Firebase Firestore โœ… Security & Authentication: OAuth, Keychain, biometric authentication, data encryption โœ… CI/CD & DevOps: Fastlane, Jenkins, GitHub Actions, Bitrise for automated testing & deployment ๐Ÿ”น Business Impact & Success Stories ๐Ÿ† Smart Helmet Safety Apps โ€“ Reduced false crash alerts by 30%, improved BLE connectivity for 20K+ users ๐Ÿ’ฐ Airtel Payment Bank โ€“ Developed a secure mobile banking & payment gateway, increasing transactions by 25% ๐Ÿ“Š OYO Hotel Booking โ€“ Enhanced booking experience, reducing transaction failures by 30% โšก PitchVision Sports Analytics โ€“ Built a real-time match tracking & video analytics platform โŒš watchOS Health & Safety Apps โ€“ Integrated motion tracking & BLE synchronization, improving data transfer efficiency by 25% ๐Ÿ”น Why Businesses Choose Me? โœ… Results-Driven Approach โ€“ Focused on business impact, scalability & ROI โœ… 12+ Years of Experience โ€“ Deep expertise in Swift, SwiftUI, Core Bluetooth, iOS, watchOS โœ… Certified Scrum Master (CSM) โ€“ Experience leading teams, managing sprints & delivering efficiently โœ… Proven Success in Scaling Apps โ€“ Built 40+ apps with millions of downloads โœ… Scalable & Maintainable Code โ€“ Expert in modern architectural patterns for long-term stability โœ… Deep BLE & IoT Expertise โ€“ Optimized Core Bluetooth for smart devices & wearable tech โœ… App Store Compliance & Optimization โ€“ Experienced in app submission, ASO, and performance tuning ๐Ÿ’ก Looking to build a cutting-edge iOS app that drives business growth? Letโ€™s discuss your vision. ๐Ÿš€

  • SwiftUI
  • iOS Development
  • watchOS
  • iPadOS
  • Swift
  • Core Bluetooth
  • RESTful API
  • Core Data
  • Scrum
  • MapKit
  • Firebase
  • In-App Purchases
  • In-App Subscription
  • Geolocation
  • App Store Upload
Salman A.

Hyderabad, India

$40/hr
5.0
9 jobs

11+ years building production grade embedded systems for Volvo, ZF, and Daimler. I design & develop custom PCBs and ship complete hardware + firmware products for IoT, EV, and automotive clients. ๐—ข๐—ป๐—ฒ ๐—ฒ๐—ป๐—ด๐—ถ๐—ป๐—ฒ๐—ฒ๐—ฟ, ๐˜‡๐—ฒ๐—ฟ๐—ผ ๐—ต๐—ฎ๐—ป๐—ฑ๐—ผ๐—ณ๐—ณ ๐—ฑ๐—ฒ๐—น๐—ฎ๐˜†๐˜€. I eliminate the hardware-software gap that kills most embedded projects. You get a single engineering partner who handles schematic design through production firmware. No miscommunication between separate HW and SW contractors, no integration blame games, and no schedule slips. ๐—ฃ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜ ๐—ช๐—ผ๐—ฟ๐—ธ๐—ณ๐—น๐—ผ๐˜„: * Flexible engagement: clear fixed-price milestones or hourly tracking * NDA signed before project kickoff to protect your IP * Transparent milestone timelines and regular progress updates * Complete manufacturing handoff (DFM/Gerber files ready for your preferred fab) * Optional long-term support and firmware maintenance ๐—›๐—ฎ๐—ฟ๐—ฑ๐˜„๐—ฎ๐—ฟ๐—ฒ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜: * Schematic design and PCB layout (KiCad) * Component selection, BOM optimization, cost engineering * Design for Manufacturing (DFM) and Design for Assembly (DFA) * Board bring-up, prototype validation, hardware debugging * Manufacturing support, EMC/ESD pre-compliance guidance ๐—™๐—ถ๐—ฟ๐—บ๐˜„๐—ฎ๐—ฟ๐—ฒ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜: * AUTOSAR stack: MCAL, ECU Abstraction, Services, Com, NvM, EcuM, DEM/DTC Diagnostics, CDD, RTE, ASW integration * Bare-metal and RTOS: FreeRTOS, Zephyr, task scheduling, queues, semaphores, ISR handling * Low level drivers, bootloaders, complex device drivers, low-power optimization, schedulers, state machines. * Production-ready architecture, MISRA-C, ASPICE-compliant processes ๐—ฃ๐—น๐—ฎ๐˜๐—ณ๐—ผ๐—ฟ๐—บ๐˜€: STM32, ESP32, NXP S32K1xx/S32K344, Renesas RH850/RA4M1, Infineon TC2xx/TC3xx/XMC1100/XMC4500, Atmel SAM/Mega/Xmega ๐—ฃ๐—ฟ๐—ผ๐˜๐—ผ๐—ฐ๐—ผ๐—น๐˜€: CAN, CAN FD, LIN, BLE, Wi-Fi, USB, SPI, I2C, UART, RS-485, UDS, OBD-II, XCP, SAE J1939 protocol ๐—ฆ๐—ฒ๐—ป๐˜€๐—ผ๐—ฟ๐˜€ & ๐—”๐—ฐ๐˜๐˜‚๐—ฎ๐˜๐—ผ๐—ฟ๐˜€: Temperature, Pressure, HALL, Current, Wheel Speed, Ultrasonic, PM2.5, KL15/Ignition; Brushed DC, Stepper, BLDC Motors, LIN motors, Solenoids, Relays, ASICs, NCV7240/7720/7726B ๐—ง๐—ฟ๐—ฎ๐—ฐ๐—ธ ๐—ฅ๐—ฒ๐—ฐ๐—ผ๐—ฟ๐—ฑ: * Volvo Cars: Platform software for next-gen Zone Controller ECUs, Ethernet zonal architectures, ISO 26262 ESM and Safety-at-Init checks * ZF: Real-time braking control firmware across multiple ASIL levels, sensor/actuator adaptation for Geely programs * BHTC: Climate control systems for Daimler, Renault-Nissan, Hyundai, Geely, MAN Trucks; 40% effort reduction via configurable architecture * Startup projects: Complete hardware + firmware products from schematic to manufacturing for IoT and automotive clients ๐—ง๐—ผ๐—ผ๐—น๐˜€: KiCad, CANoe, CANape, Trace32/Lauterbach, PC-Lint, QAC, VectorCast, Polyspace, Tessy, MATLAB/Simulink, IBM Rational DOORS, PTC Integrity (MKS), GIT, Gerrit, IAR Workbench, STM32 CubeIDE, WinIdea, Multi, oscilloscope, logic analyzer Top Rated on Upwork. Published patent holder. Send me your project details and I'll respond within a few hours. ๐—ž๐—ฒ๐˜†๐˜„๐—ผ๐—ฟ๐—ฑ๐˜€: embedded hardware design, PCB layout, KiCad, schematic design, BOM optimization, DFM, DFA, board bring-up, prototype validation, manufacturing support, EMC testing, ESD protection, firmware development, AUTOSAR, MCAL, ECU abstraction, RTE, ASW, CDD, DEM, DTC diagnostics, Com stack, NvM, EcuM, ISO 26262, ASPICE, MISRA-C, bare metal programming, FreeRTOS, Zephyr RTOS, STM32, ESP32, NXP S32K, S32K344, Renesas RH850, RA4M1, Infineon TC2xx, TC3xx, AURIX, XMC1100, XMC4500, Atmel SAM, AVR Mega, AVR Xmega, GPIO, SPI, UART, USB, I2C, CAN, CAN FD, LIN, PWM, timers, clock, ADC, watchdog, temperature sensor, pressure sensor, HALL sensor, current sensor, wheel speed sensor, ultrasonic sensor, PM2.5 sensor, KL15 ignition, brushed DC motor, stepper motor, BLDC motor, LIN motor, solenoid, relay, ASIC, NCV7240, NCV7720, NCV7726B, motor control, HVAC actuator, position feedback, BLE, Wi-Fi, RS-485, UDS, OBD-II, XCP, hardware software integration, Trace32, Lauterbach, CANoe, CANape, PC-Lint, QAC, VectorCast, Polyspace, Tessy, MATLAB Simulink, IBM Rational DOORS, PTC Integrity, MKS, GIT, Gerrit, IAR Workbench, STM32 CubeIDE, WinIdea, Multi, oscilloscope, logic analyzer, Volvo, ZF, Daimler, Renault Nissan, Hyundai, Geely, MAN Trucks, Mahindra, zone controller, Ethernet, braking control, climate control, IoT hardware, EV electronics, industrial automation, embedded systems consultant, patent, SAE J1939 protocol, Top Rated.

  • Embedded System
  • Microcontroller Programming
  • Embedded Application
  • Embedded C
  • Automotive
  • CAN Bus
  • UART
  • FreeRTOS
  • STM32
  • Automotive Engineering
  • Zephyr
  • Arduino Firmware
  • Firmware Programming
  • Sensor
  • Power Electronics

How it works

Post a job for freePost a job

Tell us what you need. Create your own job post or generate one with AI then filter talent matches.

Hire top talent fast

Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.

Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

Payment simplified

Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.

Don't just take our word for it

How do I hire a Bluetooth Specialist near Hyderabad, on Upwork?

You can hire a Bluetooth Specialist near Hyderabad, on Upwork in four simple steps:

  • Create a job post tailored to your Bluetooth Specialist project scope. Weโ€™ll walk you through the process step by step.
  • Browse top Bluetooth Specialist talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Bluetooth Specialist profiles and interview.
  • Hire the right Bluetooth Specialist for your project from Upwork, the worldโ€™s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Bluetooth Specialist?

Rates charged by Bluetooth Specialists on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Bluetooth Specialist near Hyderabad, on Upwork?

As the worldโ€™s work marketplace, we connect highly-skilled freelance Bluetooth Specialists and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Bluetooth Specialist team you need to succeed.

Can I hire a Bluetooth Specialist near Hyderabad, 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 Specialist proposals within 24 hours of posting a job description.