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🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 🏆 ✅ Mobile App Developer 7+ years of experience ✅ SaaS Mobile App Developer 5+ years ✅ 35 mobile app development jobs completed successfully ✅ Android and iOS Mobile Expert ✅ Built 27+ UX-first Mobile App development jobs for 22 companies ✅ On-Time and Cost-Effective Delivery ✅ Future-Proof Solutions Showing a Minimum 41% ROI ✅ 4354 mobile app development hours on Upwork and still counting ✅ 100% Job Success in mobile app development (Client Satisfaction Ratio) ✅ 98% of Clients Recommended working with me ✅ 80% Long-term Repeat Clients ✅ 7+ years of experience in mobile app development, 6 years experience in iOS mobile app development, 7 years experience in Swift and Kotlin, 4 years experience in Flutter, React Native, 2 years experience in KMM, KMP Full stack mobile app developer and mobile app UI UX designer with 7+ years of experience in Mobile App Development, specializing in iOS, Swift, Android, Kotlin, KMM, Kotlin Mutliplatform / KMP, React Native, and Flutter. I have successfully delivered 120+ mobile applications in different roles as mobile app developer, flutter app developer, flutter full stack developer, flutter flow, mobile app design, mobile ui ux designer, swift ios developer, android developer, kotlin developer, react native developer, mobile game developer achieving a 5-star rating on Upwork and helping clients scale their businesses with high-performance solutions. Apart from mobile app development, I specialize in Mobile App Design for both iOS and Android, as well as Web App Design for SaaS platforms. My expertise extends to Interaction Design, User Flow Design, and creating seamless User Experience (UX Design) and User Interface (UI Design). I follow a Design Thinking approach, ensuring every solution is user-centered and problem-solving. My process includes UI/UX Wireframing, Prototyping, and building Style Guides or UI-kits for consistent branding. I perform Design Audits and Design QA to maintain high standards across all projects. 🛠️ Design Tools: My designs come to life through powerful tools like Figma, Zeplin, and InVision for prototyping and collaboration. I leverage Adobe Illustrator, Adobe Photoshop, and Adobe XD for detailed visual design. For complex wireframes and flow mapping, I turn to Axure, Sketch, and Balsamiq. I also use Miro and Abstract for brainstorming and version control, while project communication and management happen in Slack and Jira. Our Expertise at a Glance • Mobile App Development: Android, iOS, & Cross-Platform App Development using Java, Kotlin, Swift, Objective C, Flutter, and more. • Website and Full Stack Development: Crafting seamless back-end experiences with .Net, Python, Java, Javascript, React.js, Angular.js, Node.js, MERN, MongoDB, PHP, etc. • Logo & UI/UX Design: Bringing your ideas to life with Adobe XD, Photoshop, Sketch, Figma, etc. • End-to-End Solutions: From logo design, UI/UX development, workflow setup, testing to deployment in app stores, we've got it all covered. We do not use v0.dev lovable.app CursorAI, Cursor, Windsurf, Trae, GitHub Copilot, Tabnine, Qodo, Devin AI, and AutoDev for speed up coding, we know other methods to do it efficiently. We offer a comprehensive range of development services across mobile, web, and cloud platforms. Our mobile app development expertise includes building Android and iOS applications using technologies such as Flutter, Swift, Objective-C, React Native, and Xamarin, optimized for both smartphones and tablets with a focus on cross-platform compatibility. In website and full stack development, we work with .NET technologies, including full stack .NET development, .NET Core, and Python with Django. Our team is experienced in developing both backend systems and user-friendly, responsive web interfaces, as well as working with various CMS platforms. Our DevOps and DevSecOps capabilities cover cloud infrastructure and automation, leveraging tools like AWS, Azure, Docker, Kubernetes, GitLab CI, Ansible, and Terraform to build secure and scalable deployment environments. We also build cross-platform and web applications using frameworks like Three.js and design tools such as Webflow, creating visually engaging and functional user experiences across devices. Additionally, we are well-versed in integration and automation tools, including WebSockets, data integration, the ABP Framework, Discord API, and Autotask, allowing us to create seamless connectivity and workflow automation between systems. Talent Good Knowledge, Talented, Experienced, Skilled, Strong Experience, Proven Experience, Agency, Team, Company, Specialist, Proven Track Record, Strong Background, Write Clean Code, Deep Expertise, Bring to Life, Cross-platform, Attention to Detail, Long Term. ⚡️ AVAILABLE FOR NEW PROJECTS ⚠️ Press Invite Button on my page and let's talk.

Recent Upwork client feedback: "Completed the work in record time. It worked first time and was a very clean solution. Highly recommended." Senior Android Engineer with 10+ years of experience building, modernising, and stabilising production mobile applications across enterprise, logistics, insurance, fintech, healthcare, and field-service environments. Specialised in Kotlin, Java, and cross-platform .NET mobile development (Xamarin and .NET MAUI), with extensive experience in offline-first architectures, enterprise integrations, device connectivity, and business-critical operational systems. I help clients with: Android modernisation & production support • Crash fixing, ANRs, debugging, and production issue resolution • SDK upgrades and Google Play compliance fixes • Legacy Java/Xamarin app modernisation • Performance optimisation and application stabilisation Android & cross-platform development • Native Android apps using Kotlin and Java • Xamarin to .NET MAUI migrations and cross-platform mobile development • API integrations, authentication, and real-time systems • Existing codebase maintenance and feature development Enterprise & integration expertise • Zebra and Honeywell scanner integrations • Bluetooth peripherals and connected devices • SSO, OAuth, and enterprise authentication systems • Offline-first workflows and synchronisation • Warehouse, logistics, retail, and field-service platforms • Real-time messaging and SignalR systems Clients value my ability to quickly understand existing codebases, resolve production issues efficiently, and deliver clean, maintainable solutions. I’ve worked across greenfield builds, enterprise modernisation projects, and live production systems with active users and business-critical workflows. Whether you need a production issue resolved, a modern Kotlin feature implemented, a legacy Android application modernised, hardware devices integrated, or a Xamarin/.NET migration completed, I can help deliver a robust and reliable solution quickly.

Hello at my profile! I am an independent freelancer with 11+ years of experience in software development. I've been part of many start-ups and helped them reach new funding rounds. The most successful reached 55$ million in Series B round. I also created and published many of my own apps from scratch. I'm a full stack developer. I can confidently handle both front-end mobile app development and back-end server application tasks for your project. I always take ownership for all apps I develop so quality and UX comes first. Did I mention I value great and concise communication with quick response times? --------------------- Stack: Kotlin, Android SDK, Clean Code, Clean Architecture, MVVM, MVP, MVC, RxJava, RxAndroid, Coroutines, Android Jetpack, Room, Realm, Hilt, Dagger2, Android Auto, REST, CI/CD, Github Actions, E2E, API, REST, GraphQL, Optimisation, Java, Google Cloud, Google App Engine, Agile, Scrum, Jira, Mentoring, Flutter, Dart, Unit Testing, Espresso, Appium, NFC, iOS, React Native, Unity, Firebase, Google Play, UI/UX, NoSQL, SQL. And way more.

I've been working as Android Team Lead for 7 years. I have strong experience in team management, team supporting and mentoring. Has grown specialist from Junior to Senior. Can manage team resources and dedicate an appropriate team member to a project. At the same time, I'm a developer and have strong Java and Kotlin knowledge. I've worked on Android application where cryptography was used. Well experienced in application development for banks and credit organizations. Worked on multimedia projects like audio players, trains schedule. Good knowledge in code review, know and use Java/Kotlin best practices and development patterns, follow Clean architecture and can create a stable and reliable application for your business and clients. I possess the following technical skills: Android skills: Activity, Fragments, ContentProviders, Services, Multithreading Frameworks: Retrofit, Dagger2, Room, Navigation and etc. Languages: Kotlin, Java Additional Software: Git, Jira. Methodology: Scrum, Agile

Senior Android Developer & Team Lead with 6+ years of experience shipping production apps used by millions of users across Europe and the US. I specialize in Kotlin, Jetpack Compose, and Clean Architecture — and I don't just write code, I own outcomes. At WeShop (Manchester), I led a team of 3 engineers, cut crash rate from 2.8% to 0.6%, improved app startup by 25%, and helped drive 40%+ MAU growth. Before that, I shipped features for 1M+ active users at Glamorous Goat and delivered 7+ full-cycle apps as a freelancer — every engagement rated 5 stars. What I bring to your project: → Kotlin-first development with Jetpack Compose, Coroutines, Flow, Hilt, Retrofit → Offline-first architecture built for real-world conditions → API integration done right — clean, resilient, maintainable → CI/CD with Fastlane + GitHub Actions (release cycles from hours to minutes) → Team lead experience: code reviews, architecture decisions, mentoring $100K+ earned on Upwork · 100% Job Success · 15 jobs · 4,700+ hours Available now. Let's build something great.