Hire the best Android Developers in Lviv, UA

Check out Android Developers in Lviv, UA with the skills you need for your next job.
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based on 2,132 client reviews
  • $45 hourly
    If you have an Idea, I can change your Idea to an Awesome App! Hello, I am a professional Android native app developer. I am having 6+ year of experience developing native android apps. I always use "Best Practices & new technologies" in my practice. Please note an important point. In addition to the quality application, the product of my activity is a very high quality code. In my work, I use most of the known patterns (MVVM, MVP/MVC, etc.), which in turn extends the life of your project for many years to come. Thus, it greatly simplifies the maintenance of the project or the addition of new functionality in the future. Your android apps will be made using following tools/technologies: Android Studio Kotlin/Java ( whichever you want ) Jetpack Compose Navigation component Other of the tools you can see in the tab "Mobile App Development" . I can also provide advice for your ideas. My hourly rates are not accurate. Because the real price may depend on your needs, time and resources.
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    Trello
    Jira
    Concurrent Versions System
    XML
    Android SDK
    RESTful Architecture
    In-App Advertising
    Android Studio
    Kotlin
    Java
    Retrofit
    Native App Development
  • $35 hourly
    ⭐️ Expert Unity 3D Developer 𝘄𝗶𝘁𝗵 𝗼𝘃𝗲𝗿 𝟔 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 ✔️ 𝟮𝟬+ 𝘀𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 in Entertainment, Fitness, E-commerce industry ⏱️ 𝟲𝟬𝟬𝟬+ 𝗽𝗲𝗿𝘀𝗼𝗻𝗮𝗹 𝗵𝗼𝘂𝗿𝘀 of development and engineering spent ✅ I am a Software Engineer and Head of Development Team. 📈 Me and my team provide cost-efficient Unity 3D, Augmented Reality and Virtual Reality MVP development from scratch with full scaling capabilities to enterprise level. Numerous one-time engagements have transformed into ongoing partnerships with most of clients. Its because we are one-stop partner. 🎯 All of our projects are high-performed, secure, tailored precisely to client requirements. 🖥 What do I develop? • Augmented Reality Applications • Virtual Reality Applications • Startups prototypes and research My skills: Unity Engine, ARFoundation, ARKit, ARCore, Vuforia, Oculus SDK, OpenXR, WebGL, Addressable Assets, Adobe Photoshop, Figma. Source Control and Deployment: GitHub, BitBucket, GitLab. Cloud Service Expertise: AWS, Google Cloud Platform, Docker, Digital Ocean, Heroku. ❗️𝗥𝗘𝗤𝗨𝗜𝗥𝗘 𝗔𝗡𝗬 𝗔𝗦𝗦𝗜𝗦𝗧𝗔𝗡𝗖𝗘 𝗪𝗜𝗧𝗛 𝗬𝗢𝗨𝗥 𝗣𝗥𝗢𝗝𝗘𝗖𝗧❓ Contact me on Upwork, and let's discuss how I can be of service.
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    Augmented Reality
    C#
    AR Application
    Mixed Reality Application
    Game Development
    Virtual Reality
    Unity
    Mixed Reality
    VR Application
    iOS
    Prototyping
    Machine Learning
  • $40 hourly
    I am lead software engineer with more than 9 years of development experience and more than 40 projects successfully released. I have a solid background in OOP concepts and modern software architecture approaches. I worked on projects from different business areas and different team sizes. First of all I do my best for everybody involved in a project to understand the problem that the software should solve. It brings a lot of benefits to both business and development sides as everybody has a clear vision of what to do. Some technologies I am familiar with are listed below. Mobile - Android(Java/Kotlin), ios(Objective C/Swift), Flutter. Web(back-end) - Spring, SpringBoot, Node js, AWS. Database - Sqlite, MongoDB, MySQL, Postgresql. APIs, services and integrations - Facebook API, Google APIs(Places, Drive, Fit, Plus, Nearby, etc), Firebase, NDK, Stripe, Square, Nethunt and a lot of other.
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    iOS SDK
    iOS Development
    Kotlin
    Flutter
    TypeScript
    Dart
    Node.js
    MongoDB
    Objective-C
    Swift
  • $80 hourly
    🌍 Currently working from Europe ✅ 10+ years of experience in different technologies. 🚀 Application from idea to release ⌨️ Post-release maintenance and support 📱 30+ successfully developed applications ✅ Upwork Verified Top Rated Plus Developer ⭐⭐⭐⭐⭐ rating Welcome to my profile! With over a decade of dedicated development experience, I specialize in creating cutting-edge applications that deliver user-friendly, engaging, and performant experiences. My proficiency in product development enables me to bring any app idea from concept to launch seamlessly. My approach is collaborative and transparent, ensuring that communication is clear and expectations are aligned from the outset. I pride myself on my ability to solve complex problems and adapt to new challenges, which is reflected in the diverse range of projects in my portfolio. Clients appreciate my commitment to quality and attention to detail, whether I'm working on innovative startups or established enterprises. My goal is to not only meet but exceed your mobile app development needs, providing post-release support to ensure your application evolves with your business. I am Upwork Verified and have a track record of success, with consistent five-star feedback. If you're looking for a reliable, skilled, and proactive mobile developer, let's connect and bring your vision to life.
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    Project Management
    FinTech
    Dart
    User Authentication
    Smartphone
    Chat & Messaging Software
    JavaScript
    Swift
    Flutter
    Java
    TypeScript
    iOS
    Kotlin
    Native App Development
  • $35 hourly
    I am proactive and committed QA engineer with experience in testing of Mobile (iOS/Android) as well as Web applications. My primary desire is to achieve new experience, participate in interesting projects and improve it using new ideas based on my past experience. I'm currently working in a team of QAs in a software company in Ukraine. As QA team our primary focus is to make application free from bugs and make customer's company to become succeed.
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    Software QA
    QA Engineering
    Mobile App Testing
  • $45 hourly
    Hi there! I'm an advanced software engineer from Ukraine with expertise in mobile and web development. I believe that development and delivering high-quality products is an art, not just regular work. That's why I prioritize understanding my customers' needs and vision. I ensure that I have a clear understanding of all requirements and details before designing and developing an app. Each project is a personal challenge for me, and I always strive to deliver my best work. I specialize in various aspects of app development, from building applications from scratch to successful releases. However, I'm also here to enhance the reliability and quality of your existing app or fix any bugs you may be experiencing. My strengths include: - Extensive experience across diverse business domains, enabling me to understand the unique requirements, specifications, and expectations of projects spanning fitness apps to fintech solutions. - A comprehensive background in development, encompassing both Android and back-end development, as well as team management. This perspective allows me to approach projects from different angles and scales, effectively identifying and addressing potential bottlenecks during the planning stage. I emphasize scalability, security, and resilience at the system level, while ensuring flexibility and a polished user experience at the component level. - My strong passion for my work drives me to immerse myself in each project and become an integral part of it. If you're seeking an Android and back-end expert who combines technical expertise with a customer-centric approach, I'm here to help. Let's collaborate on your next project and achieve outstanding results together. ‎
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    Figma
    FinTech
    Social Networking Development
    Front-End Development
    Web Development
    Web Application
    Mobile App
    Android App Development
    iOS Development
    Mobile App Development
    Amazon Web Services
    Back-End Development
    Payment Functionality
    iOS
  • $25 hourly
    Experienced in cross-platform and native mobile apps development, admin panels, dashboards, cloud, IOT solutions, web applications and back-end. My specialization: geolocation and Google Maps / MapBox / OpenStreetMap; VoIP apps for voice and video calls; payment system integration; social network API for authorization; REST API and Database providing; BL/BLE with other devices; chats; machine learning; Application types I have created: tracking and navigation apps with GPS and BL/BLE usage; dating and social network apps; messaging applications; multimedia and entertainment apps; application for cooperation with IOT devices; manufacturing app to work with company's staff and other infrastructure. I try to approach the project solution structurally and uniquely, which allows me to save clients' time. I know that it is very important for customers to be always in touch, so I do not have days off and I try to answer around the clock.
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    UI/UX Prototyping
    React Native
    Angular
    Embedded Application
    Swift
    Flutter
    Qt Framework
    Internet of Things Solutions Design
    QML
    C++
    Java
  • $30 hourly
    🚀 Hey there! I'm your go-to mobile app wizard! 😃 I've been on a journey, helping startups and businesses bring their ideas to life with amazing mobile apps. Together, we've secured a whopping $10.5 million in investments! 🌟 These apps? Well, they've become a part of millions of people's lives and have even brought in over $300,000 from users who just couldn't get enough. Ready to make some magic happen? Let's chat! 🎩📱💰 With over 7 years in software development, I've dedicated 6 of those specifically to creating high-level applications for iOS and Android. My primary expertise lies in developing complex applications using Swift, SwiftUI, RxSwift, Objective-C, Java, and Kotlin. My portfolio includes: ✅ Client-server applications utilizing REST/GraphQL APIs (Apollo) ✅ Productivity tools ✅ Utility software ✅ Social networking applications ✅ Health and wellness platforms ✅ Sport applications ✅ AI-driven solutions, ChatGPT. ✅ Audio player apps I have a robust foundation in Object-Oriented Programming and Design (OOP/OOD). My skill set also extends to networking, Realm, and CoreData. I'm an advocate for design patterns and adhere to development methodologies like Scrum, and Agile, always aiming to enrich the development process with my insights. Key Skills: ✔️ iOS Development: Swift Programming, Objective-C, Xcode, Interface Builder, UIKit, Auto Layout, Core Data, Core Animation, SwiftUI, Combine, iOS Human Interface Guidelines, Core Bluetooth, Multithreading, Unit Testing, Debugging, App Store Submission, In-App Purchases, Performance Optimization, Dependency Management (CocoaPods, Carthage), Push Notifications, Localization, Facebook SDK, Google SDK, Firebase, Redux, TCA. ✔️ Android Development: Java/Kotlin Programming, Android Studio, XML Layouts, Activities and Fragments, Material Design, Android SDK, SQLite/Room Database, Gradle, Android App Architecture, Push Notifications, Firebase, RESTful API Integration, Recycler View, Dependency Injection (Dagger, Hilt), Jetpack components (ViewModel, LiveData, Navigation), UI/UX Design, Responsive Design, Geolocation and Maps (Google Maps API), Performance Tuning, Data Binding, Android NDK (Native Development Kit), Gradle Plugins, App Distribution, Accessibility, Firebase. ✔️ Cross-platform app development: Flutter, Dart.
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    UI/UX Prototyping
    Push Notifications
    Mobile App
    AI App Development
    Flutter
    Android App Development
    Mobile App Development
    SwiftUI
    Health & Fitness
    In-App Purchases
    Swift
    Firebase
    Kotlin
    iOS
  • $20 hourly
    Hi there! My name is Valeriia and I`m a Mobile app developer with huge experience. Yeah, I mean it – ✨huge experience.✨ You are looking for modern, user-friendly, and professional app? Text me! I know exactly what you need. I guess you are interested in my tech skills. Let me show! 📌For iOS: Programming Languages: Objective-C, Swift iOS (UlKit, SwiftUI, Combine, Xcode, Core Data, MapKit, AVKitCore Graphics, Core Animation, Core Location, Core Motion, Storyboard, Foundation) Architecture Pattern (Clean-Swift, MVC, MVP, MVP+C, MVVM+С, Viper, Redux) Patterns (factory, builder, fabric, strategy, delegation, mediator, singleton, adapter, dependency injection, service locator, coordinator, router) CI/CD (Fastlane, Jenkins) Databases (SQLite, MySQL, NoSQL, Realm) Concurrency, KVC/KVO, ARC, REST API, Push Notifications/Local Notifications, KeyChain, WebRTC, Multithreading, MessageKit, PushKit, StoreKit, FSCalendar, Alamofire, SwiftGen, AutoLayout, CocoaPods, Table View, Collection View, UIWebView, Popovers, Google map API, Firebase push notifications, JSON, Autorisation, AFNetworking, SDWebImage, MagicalRecord, Firebase, RxSwift, RxCocoa, Crashlytics, Fabric, Bluetooth, Apollo, GraphQL, Google SDK, GoogleMaps, ARKit, UnitTest 📌For Android: Programming Languages: Java, Kotlin Technologies: Android SDK, OOP, RxJava/RxAndroid, Clean Architecture, Retrofit, LivaData, ViewModel, MVP, MVVM, MVI, Room, Koin, Retrofit 2, Gson, Moshi, Material design, CameraX, ExoPlayer, Daylimotion Player SDK, Google Cast, XMPP, WebRTC Google API’s (Maps API, Places API, Elevation API, etc.), Google Analytic, Chrome Custom Tab, Push Notification (GCM/FCM), REST, Activity,Fragments, IntentService, Observer, Canvas, hotspot, DI (Dagger 2 , Hilt), Multithreading (JobScheduler, Threads, Rx), VOIP, AWS, Chromecast, Android lifecycle components, Android annotation, custom views, AR Core, Epoxy, Data Binding, Flow, Coroutines, Jetpack Compose, KMP, Lottie, Microsoft Spech Recognition, OKHTTP, Glide Moreover, I have experience in various domains, such as - FinTech (Banking, Payments), E-commerce, IoT, Healthcare, InsurTech, Business Apps, Social, New apps, Telecommunications, Apps with Wearable Devices, Entertainment/ Media Logistics/Travel and tourism. I also have experience with different trend deployment solutions such as Internet of Things (IoT), Artificial Intelligence & Machine Learning. Impressed? And it`s before you`ve seen case studies 😋By the way, about case studies, you really have to see them. You can find out more about my recent projects and used technologies by looking through it in my portfolio. If you need your app to be done professionally and clear, you might need me. I can provide you the most modern and competitive solution! 💎 Wow, you read this far. I'm glad because I want to tell you what else you can get by hiring me or the CHI Software agency I work for: ▪️ IT consulting ▪️ Staff augmentation ▪️ Product development ▪️ Web development ▪️ Mobile development ▪️ Software testing & QA ▪️ UI/UX design ▪️ DevOps Yes, you are right! We can provide you a full-development lifecycle including BA/PM and all engineers you need! Send me a message whenever you’re ready, and let's bring your idea to life together! 🤝
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    CI/CD
    Core Data
    Flutter
    Clean Architecture
    iOS
    Kotlin
    Java
    RESTful API
    Google APIs
    UIKit
    Swift
    Room
    Objective-C
    Mobile App Development
  • $45 hourly
    Hello, I'm Mykhailo from Blackthorn Vision 🚀, a premier custom software development company based in Ukraine, Eastern Europe. With over a decade of experience, we specialize in empowering technology companies by expanding their tech teams or managing their projects entirely. Here are some quick facts about us: 14 Years of Industry Experience: We have been on the market for over 14 years 📆, consistently delivering high-quality software solutions. Microsoft Partnership: Our collaboration with Microsoft enables us to stay at the forefront of technology and innovation 🔧. Global Presence: With 2 development centers in Ukraine and a team of 120+ professionals 👥, we have successfully completed 73+ long-term projects for Fortune 500 companies, serving clients across 25+ countries 🌍. Long-Term Client Relationships: Our client engagements last for 5+ years on average ⏳, a testament to our commitment and quality. Technology Expertise: We excel in a wide range of technologies including .NET, Golang, JavaScript (React.js, Angular.js, TypeScript), Electron.js, Node.js, mobile development (iOS Swift, Android Kotlin, Xamarin), and cloud services (AWS, Azure, Google Cloud) 💻. Industry Focus: We have profound expertise in various domains such as Energy, Oil & Gas, FinTech, Biotechnology, Healthcare, Budgeting & Accounting, Hospitality, Industrial Automation, Manufacturing, Internet of Things, Computer Software, Clouds & CyberSecurity 🏭. Our track record on Upwork speaks for itself: $300K+ in Total Earnings 💰 74 Total Jobs Completed ✅ 9,846 Total Hours Worked ⏲️ We believe in building success stories 🌟. You can find more about our achievements and client feedback on our website blackthorn-vision.com and our Clutch profile clutch.co/profile/blackthorn-vision#highlights. Connect with us on Instagram @blackthorn_vision and Facebook @blackthornvision to stay updated with our latest projects and community engagements 📲. Let's collaborate to turn your vision into reality with our cutting-edge solutions and experienced team 🌈. Reach out to discuss how we can support your next project.
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    Python
    .NET Core
    Golang
    UX & UI
    ASP.NET
    Swift
    React
    Node.js
    iOS
    Xamarin
    AngularJS
    C#
    Kotlin
    JavaScript
  • $35 hourly
    I have experience in making applications for mobile platforms with Unity, as well as native plugins and SDK wrappers for Unity and Unreal Engine.
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    iOS SDK
    Android SDK
    Unity
    Unreal Engine
    iOS
    Objective-C
    Java
    C#
    C++
  • $40 hourly
    I specialize in outsourced projects, from developing applications from scratch, adding new features, and debugging, to testing, bug fixing, refactoring, troubleshooting, and providing customer support. With a keen eye for detail and a passion for problem-solving, I'm dedicated to delivering high-quality work on time and within budget. Let me help bring your project to life! Skills ✅ Programming Language: Java and Python ✅ Technologies: Spring Framework, Hibernate ✅ Cloud: AWS(EC2, Open Search, Lambda, Elastic Beanstalk, S3), Google Cloud ✅ Database: MySQL, PostgreSQL, Oracle DB, MongoDB ✅ Testing: JUnit, Mockito, PowerMockito, JMockit ✅ VCS: Git (GitHub, GitLab, Bitbucket, Gerrit) ✅ Build tools: Maven, Gradle ✅ Operating Systems: MacOS, Windows, Linux ✅ Agile methodology: Scrum ✅ IDE: IntelliJ and Eclipse ✅ Tools: Postman, Swagger, Atlassian products, Redmine My strengths include: - developing web services using a micro-service architecture and creating RESTful services - collaborating with international teams through Scrum methodology - excelling in both team-oriented and individual projects - passionate about exploring new technologies and seeking challenging work with a team of professionals. Don’t hesitate to contact me.
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    Node.js
    Smartphone
    Android App Development
    Mobile App Development
    Amazon EC2
    Hibernate
    MySQL
    Amazon S3
    PostgreSQL
    iOS
    Spring Boot
    Python
    React
    Java
  • $40 hourly
    30+ Mobile applications | 100+ successful Web projects that earned 50M$ of additional investments 🚀 The key things for me is to solve business challenges and accelerate solution development to help your business grow quickly. Client reviews: Jeff Robinson: ⭐️⭐️⭐️⭐️⭐️ “Volodymyr was absolutely great at communication. Very accommodating to the time zone difference. Self managed based on the phases on the project. We look forward to working with him again and highly recommend.” Matthew Elms: ⭐️⭐️⭐️⭐️⭐️ "Volodymyr went the extra mile on a difficult project. I definitely recommend and look forward to working in the future.» John Smith: ⭐️⭐️⭐️⭐️⭐️ "Volodymyr produced high-quality work based on provided design. I would definitely hire him for the next projects*.*" S E R V I C E S : ✅ iOS & Android Mobile app development; ✅ UI/UX design; ✅ Web development; ✅ Business Analysis ✅ Quality assurance ✅ Live system support ------------------------------------------ My skills: UX/UI Design, User Experience Design, User Interface Design, User Flow, Prototyping, Web Design, Web Development, Webflow, WordPress, Wix, Shopify, Development, Java, Python, HTML, CSS, PHP, IOS, Android, ReactNative, Laravel, Node JS Let's get to business! Click the «Invite» button on the top right of this page to start our discussion. Best regards, Volodymyr Vients
    vsuc_fltilesrefresh_TrophyIcon Android
    Webflow
    Shopify
    WordPress
    Wix
    App Development
    Figma
    Mobile App Design
    Website
    Web Development
    Web Design
    Mobile App Development
    iOS
    React Native
    iOS Development
  • $39 hourly
    Welcome to our vibrant realm of Flutter Development, where innovation intertwines with precision to sculpt extraordinary digital experiences. Explore our array of comprehensive services designed to elevate your vision to unparalleled heights: ✨ Services: 1. Immerse in the realm of Flutter to craft cross-platform & Native mobile apps with finesse. 2. Embark on a journey of innovation with our robust Flutter mobile and Web application development. 3. Access specialized Flutter consulting services tailored to your unique needs and aspirations. 4. Experience the transformative touch as we refine and enhance Flutter apps with unparalleled finesse. 💼 Professional Expertise: - Proficiency in Dart, Flutter, Swift, SwiftUI, Java, and Kotlin. - Mastery in Firebase, Google Cloud Platform (GCP), and Firestore. 🛠️ Areas of Expertise: 1. Harness the power of Flutter and Firebase backend to craft impeccably polished apps that resonate with your audience. 2. Master the intricacies of Dart to ensure seamless functionality and performance. 3. Seamlessly integrate robust payment solutions into your Flutter apps for enhanced transaction experiences. 4. Navigate with precision using Google Maps integration in Flutter, unlocking a world of location-based possibilities. 5. Harmonize Rest APIs with your Flutter ecosystem for seamless data interaction and synchronization. 6. Craft responsive Flutter UI designs that captivate and engage users across diverse platforms and devices. 7. Elevate your design aesthetics with the precision and collaboration of Figma, ensuring every pixel tells a story. 8. Provide comprehensive full-cycle development support, guiding your project from inception to fruition with unwavering expertise and dedication. 🌟 Connect with us today, and let's embark on a collaborative journey to turn your visionary ideas into tangible realities. With your ideas and our expertise, together, we form an unstoppable force, a winning combination poised to conquer the digital landscape!
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    Flutter
    API Integration
    iOS
    API
    Firebase
    Java
    Kotlin
    Dart
    Tablet
    Smartphone
    Swift
    Mobile UI Design
    Mobile App
  • $45 hourly
    My name is Pavlo Nazarkevych. I am Senior Android Developer with a 5+ years of experience in software development, Java/Kotlin (Android) Mobile development, multi-threading and Android NDK. My Technical Skills: 📌Languages: Java, Kotlin 📌Build: Kotlin, Gradle 📌SCM: Git, Github, Gitlab, Bitbucket 📌Mobile: Android, Android (NDK, SDK) My Technology Stack: 📌Dagger2, Koin, Hilt 📌RxJava2, Kotlin Coroutines, Flow 📌Realm, Room, SQL 📌Retrofit2, Apollo 📌MVP, MVVM 📌Clean Architecture 📌Mockito, Mockk, JUnit, Espresso 📌Here SDK 📌OpecCV, Google Vision 📌Firebase(Analytics, Realtime Database, Cloud Database, Push Notification) 📌Android Jetpack(Compose, DataBinding, AndroidX, Room, Navigation, WorkManager, LiveData, ViewModel, Material Design). My personal qualities: 📌responsible 📌reliable 📌hard-working 📌multi-tasking 📌self-motivated
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    Git
    Android SDK
    Android NDK
    Gradle
    Android App Development
    Firebase
    Java
    Mobile App Development
    Kotlin
  • $50 hourly
    Innovative mobile(iOS & Android) developer with 8+ years of experience programming and coding mobile applications while streamlining modifications to ensure optimal performance. I enjoy team collaboration, hard work, and exceeding business goals. I love to tackle complex challenges and create intuitive and easy-to-use solutions. I strive for simplicity over complexity and look for ways to avoid unnecessary technical debt. I like to make things better than I found them. I love to create and manage documentation and love code commenting. Performance, scalability, and user experience are always at the forefront of my thinking. I have been instrumental in the design, development, and maintenance of many B2B and B2C apps within various industries including .com, advertising, financial, entertainment, agriculture, travel, healthcare, pharmaceutical, point-of-sale, restaurant, and retail. TECHNICAL SUMMARY: Languages: Swift, SwiftUI, Objective-C, Java, Kotlin, Dart, JavaScript, TypeScript, C# Technologies: XCode, Android Studio, Test Flight, Flutter, React, React Native, Node.js, Docker, Xamarin, Ionic, Cordova, Angular, jQuery, AJAX, HTML, CSS, Bootstrap App Testing: Jest, Unit Testing, App Center Databases: SQL Server, MongoDB, Postgres, MySql, Redis, Graph, Neo4j API: Google NLP, Facebook, Cloudinary, Twilio Design Patterns: Singleton, Factory, Observer, Command, Strategy, Mediator, Visitor, Composite, MVC, MVVM Team Collaboration: Jira, Asana, Trello PM Methodologies: Agile, Scrum, Waterfall, Kanban, Daily Stand Ups, Sprint Planning CI/CD: Docker, Jenkins, App Center, Bitbucket, Git, GitHub Cloud: Firebase, Google Cloud, Azure, AWS, S3, EC2, Elastic Beanstalk, Lambda, Alexa, RDS
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    JavaScript
    Amazon Web Services
    React Native
    Firebase
    Java
    TypeScript
    Flutter
    iOS
    Dart
    Git
    Mobile App Development
    Swift
    Node.js
    Kotlin
  • $40 hourly
    ⚡️Tech-savvy Senior Software Developer proficient in SDLC including Full-stack development, DevOps, Cloud Management, System design, Release Management. Analytical and customer-focused Full-Stack Developer with 💥10 years of hands-on experience in software enginnering, designing, and implementation of hybrid mobile applications. ⚡️Being a Head of Development in Softwarenetic 🖥 gives me an opportunity to bring my expertise to even more people who are trying to find a solution for growing their businesses by improving their software products. ⚡️Our highly-qualified specialists aspire to exceed customers' expectations and are curious to efficiently assist you with: 📍Custom software development 📍Web Development 📍Web Application 📍Full-stack Development (Front-End & Back-End) 📍Mobile Development 📍Hybrid and Native mobile apps 📍Architecture design 📍IT consulting 📍DevOps 📍Established managed team ⚡️ Our area of expertise include: ☑️ JS & Front-End: ✓ React ✓ SPA & REST ✓ TypeScript ✓ HTML5/CSS3 ✓ SASS/LESS ☑️ Back-End: ✓ Node.js ✓ Nest.js ✓ Express.js ✓ .NET ✓ .NET CMS (Umbraco, Orchard etc) + Node.js CMS ✓ Python ☑️ C#. NET: ✓ ASP.NET MVC ✓ WEB API ✓ .NET Core ✓ Nhibernate/Entity Framework ☑️ Mobile: ✓ React Native ✓ Ionic ✓ Cordova ✓ Xamarin ☑️ Data Bases: ✓ SQL ✓ MongoDB ☑️ Others: ✓ Android, iOS ✓ OOD/TDD/DDD ✓ Design patterns ✓ Azure, AWS, Docker ✓ GIT/SVN/TFS/Mercurian 💡What's more, I held the position of CTO in a Californian startup and I'm skilled not only in the development and implementation of technical strategy, feature development and critical bug fixing, but in performance review, team leading, mentoring, documentation, incident management, etc.
    vsuc_fltilesrefresh_TrophyIcon Android
    HTML
    Full-Stack Development
    .NET Core
    Web Development
    ASP.NET MVC
    Back-End Development
    Front-End Development
    Xamarin
    iOS
    TypeScript
    React Native
    MongoDB
    React
    Mobile App Development
  • $35 hourly
    Welcome Everyone I am very excited to have opportunities of bringing your great idea to the wonderful live with perfect product here. I have worked on mobile application development part for 5 years and I have great experienced in this area. My skills - Swift, SwiftUI, Objective-C - Kotlin, Java - Typescript, Javascript - Mysql, DynamoDB, MongoDB - MVVM, MVC - Firebase, GraphQL I will provide - Trust and Honest Partnership - High Quality Product with Bug Free - Clean, Robust, Modular Project - On time Deliver, Communication - Agile software,Jira, Git, BitBucket - Full Time and Long Term Position I will always be available to discuss and work with you. Happy to reach me out. Thank you very much Best Regards Marian Ilkiv
    vsuc_fltilesrefresh_TrophyIcon Android
    TypeScript
    React Native
    Smartphone
    Java
    Kotlin
    JavaScript
    iOS
    Swift
    Objective-C
    GraphQL
    Firebase
  • $35 hourly
    Hello! My name is Victoria, and I am an experienced mobile app and website developer with over 5 years of professional experience. I take pride in being a member of the ELDEVELOP team, where every day I encounter exciting challenges and opportunities in the world of mobile development and web technologies. In my career, I have focused on development for both mobile devices and websites, including e-commerce sites. In mobile development, I am proficient in the programming languages Swift and Kotlin, creating innovative and high-performance applications for iOS and Android platforms. In web development, I use PHP and frameworks like CakePHP to build powerful and scalable web applications. I also have experience working with Node.js to create efficient server applications. My skills also encompass using content management systems like WordPress and developing interfaces using HTML and CSS3. At ELDEVELOP, I have learned to appreciate teamwork, innovation, and a commitment to high product quality. My goal is to continue contributing to the company's success by developing outstanding solutions that meet client requirements and leave a lasting impression on users. I look forward to the opportunity to contribute to your project and leverage my experience to create unique and effective solutions for you and your company!
    vsuc_fltilesrefresh_TrophyIcon Android
    Node.js
    Swift
    Kotlin
    Mobile App Development
    WordPress
    CakePHP
    PHP
    Web Development
    Ecommerce Website
    iOS
    Mobile Web
  • $40 hourly
    I have more than 16 years of experience in mobile development and managing development teams. I was leading development of one of the top rank applications on the AppStore for years. Currently I have my own team and looking forward to really complicated projects that will help bringing Industry to the next level. Main areas of my expertise are: engineering leadership, advising on complex architecture solutions, user experience consulting, product ownership, streamlining the development process, Agile and Scrum consulting. My main objective on UpWork is to improve the working experience, cooperate with inspired people and have fun by creating truly valuable and useful software. My skill-set: ✔ Native: iOS, Android, Windows (Objective-C, Swift, Java, C#, Cocoa), JNI, NDK (C/C++) ✔ Angular.JS, React.JS, Vue.JS ✔ Flutter ✔ Web service: XML/JSON, REST/SOAP API ✔ Device Kit: Bluetooth Low Energy (BLE), iBeacon, credit card reader, MIDI ✔ Cloud backend: Firebase ✔ Video/audio/image processing: OpenCV, GPU Image, CoreAudio ✔ Facebook, Twitter, Linkedin, Instagram, Youtube, Pinterest, Vimeo etc. ✔ Google Map, Foursquare, Geolocation, GPS, Open Street Maps, MapBox ✔ JIRA, Trello, Asana, Zephyr, Bamboo, Crashlytics, BaseCamp, Github, BitBucket, Asana, SVN ✔ ARkit
    vsuc_fltilesrefresh_TrophyIcon Android
    Software QA
    Vue.js
    Machine Learning
    iOS Development
    Python
    Swift
    Objective-C
    Flutter
    Android App Development
  • $50 hourly
    Hello! I'm Pavlo, an individual Android (Kotlin, Java) and iOS (Swift) developer with 10 and 6 years of commercial experience, respectively. I also have a few months of commercial experience in cross-platform development using Flutter. If you are looking for such a specialist, please take a couple of minutes to check out my profile. 🟢 MY SERVICES 🟢 The services I provide cover a broad spectrum of capabilities, which include, but are not limited to: - Developing mobile applications for iOS and Android, including iPhone, iPad, Android phones and tablets, TV and wearable devices. - Providing ongoing support, maintenance, and updates for existing apps. - Porting apps from different platforms to iOS and Android. - Recreating cross-platform and hybrid apps using native technologies. - Performing code migrations and updates, including SDK version, package builder, legacy libraries, and other tools. - Transforming app designs from Figma into functional applications. - Incorporating in-app purchases and advertisements into the apps. - Submitting the apps to the App Store and Google Play, resolving any review-related concerns. - Conducting prototyping and UI/UX design. - Creating comprehensive technical documentation and API specifications. 🟢 MY WORKING EXPERIENCE 🟢 My commercial experience as a mobile developer began in 2013 when I secured a job as an Android Java developer. Since 2015, I have been working exclusively as a freelancer. In 2016, I started learning Swift programming language and embarked on my career as an iOS developer. In 2018, I made a complete transition from Java to Kotlin for new Android projects. Recognizing the market's need for cost-effective solutions, in 2023, I started working as a Flutter developer. Throughout my journey, I have seamlessly acquired expertise in UI/UX design by closely adhering to the platform guidelines of both iOS (Human Interface Guidelines) and Android (Material Design). As an active user of both platforms, I constantly stay updated with the latest trends in products and technologies, ensuring I never miss out on key events like Apple WWDC and Google I/O conferences. Building upon my previous commercial experience as a QA engineer from 2012 to 2013, I combine meticulous attention to detail with strong perfectionistic tendencies, enabling me to consistently deliver exceptionally high-quality and reliable mobile applications. 🟢 MY SKILLS 🟢 Here are some of the cutting-edge technologies I utilize in my work. Native Android: - Android SDK, Gradle, Kotlin, Kotlin Coroutines, MVVM Architecture, Jetpack, Jetpack Compose, Retrofit, Apollo GraphQL, Hilt, Room for SQLite, and JUnit. Native iOS: - iOS SDK, Swift, Swift Package Manager, MVVM Architecture, SwiftUI, Combine, Concurrency, Alamofire, Apollo GraphQL, Swinject, CoreData, and XCTest. Flutter: - Flutter SDK, Dart, MVVM Architecture, Concurrency, dio, sqflite. I possess extensive experience working with numerous other technologies, frameworks, and libraries such as: Java, RxJava, XML UI, CocoaPods, UIKit, RxSwift, MVC & MVP Architecture, Dagger, Koin, Realm, Glide, Coil, Picasso, Kingfisher, SDWebImage, Google Maps & Geocoding, MapKit, HealthKit, Mapbox, Facebook SDK, Twitter SDK, Zoom SDK, GitHub SDK, Google Pay, Apple Pay, Stripe, Braintree, AdMob, Bluetooth, Bluetooth Low Energy (BLE), NFC, Camera API, Firebase SDK (Analytics, Crashlytics, Auth, Database, Firestore, Machine Learning, Storage, Hosting, Cloud Functions, and more).
    vsuc_fltilesrefresh_TrophyIcon Android
    Figma
    iPad App Development
    iOS SDK
    Android SDK
    Apple Xcode
    Java
    Android App Development
    Kotlin
    iOS
    Swift
    iOS Development
    Firebase
    Android Studio
    iPadOS
  • $40 hourly
    - Netty Awarded Expert For The Best Health & Fitness App - Over 6 years of experience in building mobile solutions - Helping clients enter the global market My Expertise: 🔹 Native Mobile Development: I specialize in crafting robust and performance-optimized native mobile apps for both iOS and Android platforms. From creating seamless user interfaces to integrating complex features, I'm experienced in developing apps that provide a premium user experience. 🔹 Cross-Platform Mobile Development: I am well-versed in utilizing cross-platform frameworks like React Native, Flutter, and Xamarin to build apps that work seamlessly across multiple platforms. This approach saves time and resources without compromising on app quality. What I Offer: ✅ Custom Mobile App Development: Whether you need a native app for a specific platform or a cross-platform solution, I can create apps tailored to your unique requirements. ✅ App Enhancement and Maintenance: If you have an existing app that needs updates, improvements, or bug fixes, I can help you keep your app running smoothly and up-to-date. ✅ UI/UX Design: I understand the importance of a captivating design, and I can create beautiful and intuitive user interfaces for your mobile apps. ✅ Integration Services: I can seamlessly integrate various APIs, third-party services, and databases into your app to enhance its functionality. Why Choose Me? 🌟 Proven Track Record: I've successfully delivered mobile apps for a wide range of clients across different industries. 🚀 Timely Delivery: I'm committed to meeting deadlines and ensuring that your project is delivered on time. 💬 Clear Communication: I value open and transparent communication, so you'll always be kept in the loop about your project's progress. 🔒 Data Security: Your data and project information will be treated with the utmost confidentiality and security. 💬 Contact Me Let's work together to create mobile apps that make a difference!
    vsuc_fltilesrefresh_TrophyIcon Android
    Mobile QA
    Testing
    QA Testing
    Flutter Stack
    Mobile App Development Consultation
    Mobile App Bug Fix
    Mobile App Testing
    Dart
    iOS
    Swift
    iOS Development
    Mobile App Development
    Kotlin
    Flutter
  • $45 hourly
    ✅ 𝟭𝟬𝟬% 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 ✅ Fluent in English ✅ Extensive experience in building FinTech solutions (KYC, payments, P2P, investments platforms) ✅ Over 11 years of development expertise, specializing in Mobile, React, and AWS security best practices As the Founder & Tech Consultant at 𝐏𝐞𝐫𝐟𝐬𝐨𝐥, I bring a decade of profound knowledge and hands-on experience in UI/UX and Mobile development. My expertise extends to Android, iOS, TV apps development, Android TV, Amazon Fire TV, tvOS, and OTT apps. 𝐂𝐨𝐫𝐞 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: 🔸 iOS & Android native apps 🔸 Branding & UI/UX design, UI/UX Audit 🔸 Custom web solutions 𝐖𝐡𝐞𝐧 𝐝𝐨 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐧𝐞𝐞𝐝 𝐮𝐬? 🔸 Building MVP from scratch 🔸 Product launches 🔸 Extending in-house teams 🔸 Enhancing the design of existing apps Perfsol proudly holds the title of a 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 company on Upwork. Our satisfied clients consistently recommend us, underscoring the reliability of our work. With a solid track record as an Android developer since 2012, I've garnered a StackOverflow score of 6K, predominantly answering Android-related queries. 𝐃𝐨 𝐲𝐨𝐮 𝐰𝐚𝐧𝐭 𝐲𝐨𝐮𝐫 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐭𝐨 𝐠𝐫𝐨𝐰? Keywords: Java, Kotlin, Swift, React Native, AndroidX/JetPack, Leanback, MVVM/MVP patterns, Integrating REST/GraphQL APIs, SQLite, Realm databases, Room, ExoPlayer customization and performance tuning, offline playback, caching, using Google IMA SDK for multimedia ads, MediaCodec/MediaMuxer/MediaExtractor/FFmpeg for video processing, Security/Encryption, Biometric, Firebase Auth/Cloud functions/Database/Storage, Troubleshooting performance problems, Testing: JUnit, Mockito, Espresso. Updated: 4th of March
    vsuc_fltilesrefresh_TrophyIcon Android
    SaaS Development
    Video Stream
    Android SDK
    Fire OS
    Android App Development
    TV Set
    Responsive Design
    Digital Media Player
    Apple TV Application
    Mobile App
    iOS
    Swift
    Java
    Kotlin
  • $45 hourly
    Unity3D Developer with more than 5 years of development experience in large game development companies as well as freelancing. Now running a company specializing on Unity/Unreal Engine 4 SDK Development for large service providers. Was working primarily on large and small games and projects for mobile and desktop platforms. My strong point is excessive knowledge of Unity game engine and different frameworks. Exceptionally good at writing Unity native plugins for Android and iOS. Active open-source contributor (check out my GitHub account) and speaker on big IT and game development conferences (Casual Connect, Lviv IT Arena). Also managing a page with tech highlights for Unity and curate a list of Unity open-source projects on Zeef. Have experience developing Unity applications for all major mobile and desktop platforms (Android, iOS, Windows Phone 8, Desktop) as well as native Android applications.
    vsuc_fltilesrefresh_TrophyIcon Android
    Game Development
    Unreal Engine
    Unity
    Java
    C#
    libGDX
  • $45 hourly
    🚀 I'm a mobile software developer with more than 7 years of experience. I cover the entire development process as an individual developer. Also, I have really good experience working in a team. My wish is to create successful projects, share my experience, and help people improve their businesses. 🌟 From a technical perspective, you will get: ▪ Fully responsive application (all devices); ▪ Semantically correct, structured, clean, and solid code. 🛠 Me technology stack: ▪ Android (SDK, Play Store); ▪ iOS (SDK, TestFlight, AppStore); ▪ Flutter; ▪ Experience in REST API. 🎯 I am open to challenging projects that are going to simplify people's lives. I will help you to complete your technical requirements so both of us will have a clear vision of the desired results. I will be happy to discuss all your questions via chat or audio/video call.
    vsuc_fltilesrefresh_TrophyIcon Android
    .NET Framework
    Core Java
    .NET Core
    SQL
    Android SDK
    Android App Development
    C#
    Java
    iOS
    Dart
    Flutter
    iOS Development
    Mobile App Development
    Native App Development
  • $35 hourly
    Hi. 👋 I have a lot of experience (8+ years): 👉 iOS (Swift), Android (Kotlin) 👉 PHP, HTML5, CSS3, JS, Node.js, Angular, Vue.js, Foundation Frameworks CakePHP, Yii, Codeigniter, Laravel MySQL, SOAP, RESTful, NoSQL PrestaShop, WordPress, Google API (maps, docs), and Social Community contributions (github, stackoverflow). 👉 UX/UI Design (Figma, Adobe Photoshop, Adobe Illustrator, Marvel App, InVision) 👉 I also have expertise for configuration hosting (amazon ec2, cPanel, Microsoft azure and work with Virtual Private and dedicated servers). 👉 I developed many success projects (500+). 🧞‍♂️ I'll be glad to help you so please Press "Invite" button at the top of my profile
    vsuc_fltilesrefresh_TrophyIcon Android
    PrestaShop
    Web Design
    Mobile UI Design
    UX & UI
    API Integration
    Ecommerce Website
    Vue.js
    CakePHP
    PHP
    Node.js
    Kotlin
    Swift
    Web Development
    iOS
  • $40 hourly
    Hello there! I'm Anatolii, and I've been immersed in the world of software development since 2006. My journey began with crafting desktop solutions and custom CRM/ERP systems for prominent IT companies. Over time, I evolved into an entrepreneur and am currently the CEO of Eliftech, leading a dynamic team of 100+ developers in Ukraine. We've proudly collaborated with startups and companies from the USA and Europe for over 8 years, contributing to the development of hundreds of web, mobile, and desktop applications. At Eliftech, we offer comprehensive full-cycle development services to businesses worldwide. Our commitment covers all facets of software development, employing the latest technologies and frameworks to bring your ideas to life. Here's a snapshot of our services: ✅ Mobile App Development ✅ Architecture Consulting ✅ Initial Discovery Phase ✅ Server Configuration ✅ FE/BE Development ✅ Business Analysis ✅ Cloud Computing ✅ UI/UX Design ✅ DevOps ✅ QA With Eliftech, you access a one-stop-shop for all your digital needs. We pride ourselves on delivering personalized management and an individual approach to each project and client. Our methodology involves an Agile approach, CI/CD, test-driven development, and a diverse range of information technologies, ensuring a comprehensive end-to-end process for web, desktop, and mobile development. Our main tech stack, covering both web and mobile development, includes but is not limited to: 🚀 Web Development: ✅ PHP: Laravel, WooCommerce, BigCommerce, WordPress ✅ HTML5, CSS3, LESS/SASS, jQuery, Bootstrap 3/4 ✅ JavaScript: React, AngularJS, Vue.js, Node.js ✅ MongoDB, PostgreSQL, MySQL, Redis ✅ Google Cloud, AWS, Azure ✅ Git, GitHub ✅ TypeScript ✅ .Net Core ✅ Shopify ✅ Golang 🚀 Mobile Development: ✅ React Native ✅ Firebase ✅ Flutter ✅ Dart 🚀 Design: ✅ Photoshop ✅ Adobe XD ✅ Illustrator ✅ Avacode ✅ Invision ✅ Sketch ✅ Zeplin ✅ Figma We're also proud holders of certifications with Amazon Web Services (AWS)! Feel free to reach out if you have any questions or if there's anything specific you'd like to discuss. Looking forward to the opportunity of potential collaboration!
    vsuc_fltilesrefresh_TrophyIcon Android
    User Interface Design
    React Native
    iOS
    Web Design
    Ecommerce Website Development
    Amazon Web Services
    CSS
    Web Development
    Mobile App Development
    HTML
    API
    User Experience Design
    React
    JavaScript
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