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Hire the best Bluetooth Specialists in Ukraine

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  • $66 hourly
    • 5.0/5
    • (5 jobs)
    Professional Summary: iOS Developer with extensive experience designing, developing, and deploying high-quality iOS applications. Proficient in Swift, Objective-C, and various iOS SDKs. Demonstrated achievements in improving app performance, user engagement, and app store ratings. Passionate about crafting seamless user experiences and staying up-to-date with the latest industry trends and technologies. Technical Skills: - Languages: Swift, Objective-C, Javascript, Dart, C/C++ - Frameworks: UIKit, SwiftUI, Core Data, AVFoundation, CloudKit, Combine, SwiftData, XCTest, XCUITest, SwiftNIO, Async/Await, StoreKit, ARKit, SpriteKit, Swift Macros, Keyboard, iMessage, Widget, ShazamKit, Core Location, Core Animation, Metal, Core ML, Core Animation, MapKit, Core Location - Tools: Xcode, Instruments, CocoaPods, Swift Package Manager (SPM), Charles Proxy, Postman - Other Technologies: RESTful APIs, Firebase, Realm, Git, Jira, CI/CD, Jenkins, GitHub Actions, GitLab CI/CD, Fastlane, Figma - Methodologies: Agile, Scrum, TDD, GitFlow
    Featured Skill Bluetooth
    Node.js
    RxSwift
    Core Bluetooth
    In-App Purchases
    Mobile App
    iOS
    C++
    C
    Firebase
    iOS Development
    Core Data
    Objective-C
    Swift
    SwiftUI
    UIKit
  • $60 hourly
    • 5.0/5
    • (4 jobs)
    I am a Senior iOS Engineer with 7+ years of experience tuning complex ideas into polished, high-performance apps. My portfolio covers startups, well-funded tech companies and enterprises, including a NDA(Online app-banking) and iAuditor. I focus on delivering solutions that drive business value. Clients appreciate my reliability, clear communication and deep iOS expertise for on-time, on-budget results. 📱 Selected Work: • Flora – Lead iOS Engineer for a plant-care app that grew to 125 K+ users. Built a sleek UI and integrated Bluetooth sensor data to keep plants healthy. • SafetyCulture (iAuditor) – Contributed key offline and real-time features to an inspection platform trusted by 70 K+ organisations. • AI Math Solver – Created an OCR-based math solver that provides step-by-step answers with a custom neural network. • Mobile Banking App (NDA) – Architected a secure banking app with end-to-end encryption and biometric login, serving millions of customers. • Other Apps – Food Tracker, AR Room Planner, Air Printer, Express Package Tracker, Horoscope, Lviv Guide and more, proving versatility across consumer domains. 🛠️ Engineering Strengths • Swift & Objective-C expert; strong SwiftUI and UIKit skills for modern, responsive UIs • Deep knowledge of Core Data, AVFoundation, MapKit, ARKit, Core ML and other iOS frameworks • Performance optimisation through Instruments profiling, GCD and memory tuning • Seamless integration of third-party APIs and SDKs (Firebase, payments, analytics) • Precise problem solving and debugging for rapid, robust fixes 🤖 AI & ML • Core ML and Vision for on-device image recognition and OCR • Training and deployment of custom models (Python, TensorFlow, Core ML, TFLite) • Integration of generative AI APIs for chatbots and personalised content 🏗️ Architecture & Delivery • Clean, scalable architecture (MVC, MVVM, VIPER) for maintainable codebases • Rigorous testing: unit, UI and code reviews to ensure product stability • CI/CD pipelines with GitHub Actions, Bitrise and Fastlane for smooth releases • App Store launch expertise, including TestFlight and guideline compliance • Full lifecycle leadership from requirements to post-launch support I build apps that last and solutions teams can rely on.
    Featured Skill Bluetooth
    Stripe
    Map Illustration
    Alamofire
    Apple Xcode
    RxSwift
    App Store Upload
    Dependency Injection Framework
    Navigation Design
    Core Bluetooth
    Core Location
    Revenue Management
    StoreKit
    Realm Database
    SwiftUI
    In-App Purchases
    Firebase
    Push Notifications
    UIKit
    Swift
    iOS Development
  • $50 hourly
    • 5.0/5
    • (8 jobs)
    🟢 Enjoyed building apps for startups and mature businesses. 📱I'm an iOS developer with more than 6 years of strong experience. I have worked as software engineer and software development team leader. Accurate and well organised, always looking for best practices and efficient solutions. I believe application code should be maintainable and business behind that code should be successful. That means UI and UX also matters a lot. Here is a list of my competencies: 🌟 Programming languages: * Swift * Objective C and Java as supporting 🌟 Custom UI interfaces and animations with SwiftUI 🌟 Networking: * URLSession * GraphQL 🌟 Geolocation * ArcGIS * Apple Maps 🌟 Async programming * Combine * Structured Concurrency * GCD 🌟 Services and frameworks * HealthKit * Push Notifications * AVFoundation * MusicKit * Bluetooth Low Energy * Core Data * Apollo * Salesforce * Google Analytics * Mixpanel 🌟 App management: * AppStore Connect * TestFlight * App Center * Fastlane 🌟 Project management * Jira * Trello * Monday * Asana 🌟 Code management * GitHub * Bitbucket 🌟 Tools * Xcode * Instruments * Charles Proxy * Proxyman 🟢 In my recent applications, I have worked with such domains: - Health care, AI - Entertainment - Geolocation and risk management Years of experience allows me to implement wide range of projects for your business - from first prototype to final product. Developing applications is my passion. My goal is to bring your ideas to reality, doing the job accurately and on time. Continuously tracking guidelines, technical trends and modern solutions helps me to deliver top class products. Therefore SwiftUI development is my current focus. Let's change this world together to the better!
    Featured Skill Bluetooth
    Unit Testing
    Mixpanel
    MusicKit
    Core Location
    iPad App Development
    Salesforce Marketing Cloud
    ArcGIS
    iOS SDK
    Google Analytics
    HealthKit
    Core Data
    Core Bluetooth
    iOS Development
    Push Notifications
    Swift
  • $50 hourly
    • 5.0/5
    • (2 jobs)
    4+ years of commercial experience in IT. Experience in developing applications using Swift, Objective-C. Excellent knowledge in OOP. Experience in using Design patterns. Good logical thinking, self-learning, high level of responsibility. Responsible, hard-working, result-oriented, creative and communicable, team player. Good attention to details.
    Featured Skill Bluetooth
    Apple Watch
    AV Foundation
    Architectural Design
    Core Animation
    XCTest
    Architecture
    Git
    Grand Central Dispatch
    RESTful API
    UIKit
    Swift
    Firebase
    Core Bluetooth
    Core Data
    iOS
  • $39 hourly
    • 5.0/5
    • (27 jobs)
    Software development expertise: 13+ Years My team delivers different size projects with focus on the following business domains: FinTech, NFT/Blockchain, HealthCare and Education, Real-Estate. We work with customers from Nordic, USA, UK, Germany, Netherlands, Belgium, Israel, Australia and Canada. Can bring the raw idea to production launch as well as support / maintain / extend the existing code base.
    Featured Skill Bluetooth
    Product Design
    Full-Stack Development
    Product Development
    Blockchain
    .NET Core
    NFT
    Machine Learning
    Python
    Flutter
    React Native
    React
    Node.js
    Core Bluetooth
  • $39 hourly
    • 5.0/5
    • (3 jobs)
    Unteleported provides software development services for startups, SMEs and large enterprises We have completed great number of projects, helping our clients to grow their businesses. We build in-house projects so we know what it takes to make things successful. If you choose us to work on your project, you'll not only get skilled coders, but also people who understand how to solve problems and make great products. 👩‍💻Techstack: Flutter for Mobile, Desktop and Web Rust for custom backend or embedded systems Google Cloud Platform / Firebase / Supabase 💎Industries we worked with: Fintech and banking eLearning Supply chain iGaming Crypto We build in-house projects so we know what it takes to make things successful. If you choose us to work on your project, you'll not only get skilled coders, but also people who understand how to solve problems and make great products. Looking forward to working with you
    Featured Skill Bluetooth
    Objective-C
    Swift
    Artificial Intelligence
    Firebase
    Flutter
    Core Bluetooth
    iOS Development
    Google Cloud Platform
    ChatGPT
    Rust
    Firebase Cloud Firestore
    JavaScript
  • $35 hourly
    • 5.0/5
    • (93 jobs)
    I’m a full-stack developer with a strong background in mobile, web, and IoT product development. I work at the intersection of software, hardware, and user experience — helping businesses launch cross-platform applications and embedded solutions. Over the past 10 years, I’ve contributed to a wide range of projects: from Bluetooth-enabled pet products 🐾 to industrial embedded systems and custom mobile apps. My focus is building secure, scalable, and smart systems that bridge physical devices and digital platforms. 🔧 What I do best: IoT development & firmware: embedded systems, ESP32, custom PCB integration, BLE/IoT communication, data syncing, OTA updates Mobile development: Android (Java/Kotlin), iOS (Swift), Flutter/Dart, Firebase, app UI design, mobile app development Web development: React, Next.js, full-stack solutions, dashboards, web app design, admin panels Cross-platform apps: Flutter / React Native -based mobile apps for both iOS and Android, built for hardware interaction Embedded engineering: Arduino, embedded Linux, embedded firmware development, circuit logic, C/C++ programming If you’re building a smart product or platform — from idea to launch — and need someone who understands both the frontend and the firmware, I can help
    Featured Skill Bluetooth
    Web Design
    CSS
    Web Development
    Bluetooth LE
    Embedded System
    Internet of Things
    JavaScript
    React
    Flutter
    Mobile App Development
    Smartphone
    Core Bluetooth
    iOS
    Android
  • $55 hourly
    • 5.0/5
    • (3 jobs)
    📌 A passionate Flutter framework adept with: - 8 years of experience creating native and cross-platform mobile applications; - 5 years of being an early Flutter adopter; - 6+ years of building a complex production-level application from scratch as well as having the proven track record of development, testing, and deploying high-quality applications for both iOS and Android platforms. Professional skills: ✅ Strong proficiency in Flutter and Dart programming languages ✅ Experience with mobile app development for both iOS and Android platforms ✅ Ability to design, develop and maintain complex applications ✅ Familiarity with state management architectures such as Bloc, Provider, or Redux ✅ Experience in implementing RESTful APIs, web-sockets, and other data integrations ✅ Knowledge of Material Design and Cupertino widgets ✅ Familiarity with Firebase or other backend-as-a-service providers ✅ Ability to write clean, well-documented, and reusable code ✅ Experience with version control systems such as Git ✅ Good understanding of Agile development practices and principles ✅ Strong problem-solving skills and ability to debug and troubleshoot issues ✅ Excellent communication skills and ability to work in a team environment ✅ Use my technical expertise, creativity, and composition skills to produce a visually appealing and functioning product to the customer ✅ Experience in on-going maintenance of existing popular apps ✅ Having an eye to details and visual experience allows me to audit and revive the UI/UX ✅ Skilled in building / designing efficient backends for your app. I always aim to maintain a long term relationship with my clients. Whether you’ve lost your original developer, need additional resources, or want a brand new app, I can step in and take over wherever you need.
    Featured Skill Bluetooth
    Material Design
    Stripe
    Android SDK
    Android
    Android App Development
    Java
    Core Bluetooth
    Mobile App Development
    Flutter
    Dart
  • $35 hourly
    • 4.5/5
    • (1 job)
    - 7+ years of experience in iOS development. - Experience in developing applications using Swift, Objective-c, Dart, Java. - Excellent knowledge in OOP. - Experience in using Design patterns - Good logical thinking, self-learning, high level of responsibility. - Responsible, hard-working, result-oriented, creative and communicable, team player. - Good attention to detail.
    Featured Skill Bluetooth
    Fastlane
    SwiftUI
    Model View Presenter
    Core Location
    Model View ViewModel
    Flutter
    Realm Database
    Core Data
    UIKit
    RxSwift
    Core Bluetooth
    Swift
    Objective-C
    ARKit
    iOS
  • $35 hourly
    • 4.3/5
    • (27 jobs)
    Short and simple: more than 13 years of the iOS development experience bad artist but a great programmer I value your time as much as mine AppStore available projects: Smice - a mystery shopping app Hilite - earn as you drive Animalia(Sauekontrollen) - make farming easier, track an animal vital information.
    Featured Skill Bluetooth
    Mobile Device Management
    Git
    Core Location
    iOS Development
    Firebase
    Core Bluetooth
    iOS
    Core Data
    Swift
    Objective-C
  • $60 hourly
    • 0.0/5
    • (2 jobs)
    Software Developer with 6 years of strong working experience in iOS software engineering. Ability to work in a team. Ability to analyze problems, find solutions and implement them. Each of my projects went through a full development cycle.
    Featured Skill Bluetooth
    Git
    iPhone & iPad Apps
    Zeplin
    Figma
    Core Location
    Core Animation
    AV Foundation
    CI/CD
    iPadOS
    iOS
    MapKit
    WebKit
    Core Bluetooth
    Firebase
    UIKit
  • $25 hourly
    • 4.6/5
    • (1 job)
    ANDROID/FLUTTER DEVELOPER Experienced Android developer with a wide range of skills, including Java, Kotlin, Flutter, and Dart. Expertise in REST API, Web Sockets, Push Notifications, JSON, XML, Retrofit2, OkHttp, Ktor, Realm, Room, SQLite, DataStore, Firebase, Google (login, analytics, map, places), Facebook, Google (login), RxJava/RxAndroid, Hilt/Koin, ViewBinding, Coroutines, Flows, Channels, Crashlytics, Google Analytics, Firebase, custom Wi-Fi and Bluetooth low energy (BLE) hardware integration. Strong understanding of SOLID principles, Android Design Principles, Android Style Guide/Material Design, Architecture Components, and Jetpack Compose.
    Featured Skill Bluetooth
    REST API
    Bluetooth LE
    Bluetooth Beacon
    Android App
    Android SDK
    Push Notifications
    Dart
    Python
    Kotlin
    Java
    Core Bluetooth
    Flutter
    Android App Development
    Android
  • $45 hourly
    • 0.0/5
    • (0 jobs)
    Executive Summary I am a software developer with a master's degree in computer science. I have worked on various projects for over twenty years. I have a strong technical background in Swift, Objective C and C++ programming languages. Desktop application using C, C++ experience - since 2002, I have developed and supported desktop applications using MS Visual Studio (WTL, MFC, ATL) for Windows. And using vi, vim, and emacs for Linux. Mobile projects by Objective C, C++, Swift experience - Native development with Objective- C, Swift using Xcode. Cross-platform development using C++(cocos2dx for iOS, Android and Windows), JS + Objective C (Cordova for iOS, Android), and KMM(Kotlin + Swift) for iOS, Android. Worked also with the next technologies: Mobile development: UI Kit, Swift UI, Automotive(CarPlay and Ford SDK, BMW SDK), map services(ArcGIS and Waze SDK), crypto security(PBKDF2, OAuth2, FIDO tokens).
    Featured Skill Bluetooth
    App Development
    iOS Development
    Mobile Game
    C
    GIS
    Automotive
    Core Data
    Core Bluetooth
    Core Animation
    Realm Database
    Objective-C
    Swift
    C++
    iOS
  • $20 hourly
    • 5.0/5
    • (13 jobs)
    Wide range of experience in firmware development for different embedded systems and MCUs: - STM32 series F0, F1, F4, G0: digital & analog environmental sensors, SD card, bootloaders, communication with GSM modules; - ESP32: LCD, touch controller, BLE hub for monitoring wireless sensors with proprietary protocol, customized websocket client, driver for industrial vent actuator controlled by WIFI; - CC2541: customized BLE environmental sensor with proprietary backend protocol. - NRF52: smart lock, communication with external sensors. Computer vision & video recognition: - tracking objects using color pattern detection; - finding parameters of electrical SMD components (as part of customer's concept). Additional knowledge: - protocols: SPI, I2C, USART, RS485; - Bluetooth low energy (BLE); - OpenCV.
    Featured Skill Bluetooth
    Firmware Programming
    OpenCV
    Core Bluetooth
    Bluetooth LE
    Computer Vision
    Embedded System
    ESP32
    STM32
    WiFi
    Microcontroller Programming
    nRF52
    C
    Embedded C
    C++
  • $25 hourly
    • 5.0/5
    • (1 job)
    Hi! I'm Evgeniy. I have a little over 7 years of experience in IOS application development. Im working with refactoring old and create new app on Swift platform. Have experience with patterns MVC , MVP, MVVM. Have experience with - Git, Appstore, Auto-layout, UIKit, Storyboard, Xib, In-App Purchases, AdMob, Local and remote Notifications, Core Data, Realm, GCD, WKWebView, Firebase, MapKit. All analytics frameworks Firebase and other.
    Featured Skill Bluetooth
    Git
    Auto Layout
    JSON
    Google Maps
    UI Animation
    Analytics
    Framework7
    Core Bluetooth
    Realm Database
    Firebase
    Swift
    iOS
    In-App Purchases
    Push Notifications
  • $20 hourly
    • 0.0/5
    • (2 jobs)
    A detail-oriented iOS developer with experience in mobile application development, infrastructure design and architecture. Prioritises performance, stability, and extensibility while writing code. Demonstrated ability to complete projects on schedule, to a high standard, and on budget. I am constantly striving to learn new technologies and look to ways to better myself in this rapidly changing industry.
    Featured Skill Bluetooth
    RESTful API
    App Development
    Model View ViewModel
    Video Editing & Production
    Database Management System
    Adobe Photoshop
    RxSwift
    iOS Development
    Firebase Realtime Database
    Firebase
    UIKit
    Core Bluetooth
    Swift
    Mobile App Development
    iOS
  • $45 hourly
    • 0.0/5
    • (1 job)
    🚀 Experienced iOS Developer | Swift | Objective-C | RXSwift Passionate and result-driven iOS Developer with a proven track record of delivering high-quality mobile applications. Proficient in leveraging the latest iOS SDK, diverse programming languages, and a range of development tools to create seamless and intuitive user experiences. Excels in Agile and Scrum environments, utilizing project management tools like Jira and Trello for efficient workflow development. Adept at version control systems, various architectures, and API integrations. Key Skills: 📱 Environment: Proficient in iOS SDK, diverse iOS versions, and devices. Expertise in Xcode for efficient app development. In-depth knowledge of App Store guidelines and submission processes. 🔧 Languages: Mastery in Swift, Objective-C, and RXSwift for robust application development. 🔄 Workflow Development: Agile and Scrum methodologies for efficient project management. Utilization of Jira and Trello for task tracking and collaboration. Estimation skills for accurate project planning. 🧭 Version Control Systems (VCS): Proficient in Git, Bitbucket, Sourcetree. Conducts thorough code reviews for quality assurance. 🏛️ Architecture: Expertise in MVC, MVVM, Redux, Props + Coordinator, and Service Holder architectures. 🎨 Layout Design: Proficient in Storyboards, UIKit, SnapKit, and Animation for visually appealing interfaces. 💾 Offline Storage: Utilizes Core Data, User Defaults, and File System for efficient offline storage. 🔗 API Integration: Experience with REST API, JSON, and Alamofire for seamless integration. Proficient in authentication methods (phone, Google, Facebook, etc.). 🌐 Other Technologies: iOS NotificationCenter & Push Notifications for real-time updates. SpeechRecognition & TextSpeech for voice-enabled features. MapKit for location-based services. Integration with Google Services (Firebase, AdMob, Analytics, etc.). In-App Purchase and Payment POS integration (Clearent, Stripe, Square). Core Bluetooth & Printer Integration for diverse device connectivity. Expert in debugging on simulators, real devices, and using proxy tools. Integration of 3rd party SDKs and APIs for extended functionality. Let's collaborate to bring your iOS project to life! 📬 Contact me to discuss your project requirements and explore innovative solutions for your app development needs.
    Featured Skill Bluetooth
    Mobile App
    SnapKit
    Animation
    Git
    Software Debugging
    Mobile Payment Functionality
    App Store
    iOS
    Core Data
    Objective-C
    Swift
    UIKit
    Push Notifications
    Core Bluetooth
    Firebase
  • $6 hourly
    • 0.0/5
    • (0 jobs)
    I’m an iOS developer with an year+ of commercial experience working at a product based startup, where I contributed to building and maintaining a mobile app from the ground up. I have a good technical background that extends beyond mobile. I've had experience with web APIs, backend integration, data processing and cloud technologies like AWS. I’m always eager to expand my skill set. My skill set: Swift, SwiftUI, Apollo (GraphQL), Realm, Core Data, Combine, REST APIs, and Git I am familiar with: UIKit, Firebase, BLE/IoT integration, SOLID, OOP, POP, and CI/CD.
    Featured Skill Bluetooth
    Core Bluetooth
    CloudKit
    REST API
    API
    watchOS
    iOS
    GraphQL
    UIKit
    Firebase
    SwiftUI
    Swift
    App Development
    Mobile App
    Mobile App Development
    iOS Development
  • $30 hourly
    • 4.4/5
    • (1 job)
    Hi! My name's Roman. I am from Ukraine and I am passionate about delivering the best possible result in developing. I like the philosophy of engineers in Apple, their approach in creating products, their attention to details and I always try to follow their example. In my work, I only try adhere to best practices and writing pure code. Very often I come up with several solutions for each task and try to find out the best way to solve it. So, please free to contact me in case you need.
    Featured Skill Bluetooth
    StoreKit
    SwiftUI
    Core Location
    Blockchain
    Core Data
    RESTful Architecture
    Core Bluetooth
    iOS Development
    Swift
    Firebase
    GraphQL
    Realm Database
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