Hire the Best Kotlin Developers
in Malaysia

Hands-on mobile app developer with more than 10 years experience. Capable of deciding which architecture to use on specific project and love to give opinion plus suggestion if needed. Have advantage than other flutter's developer since I've have native language skill (Swift, Kotlin, Objective-c, Java). Love to explore various framework and technology to serve the app with better performance so that customer will experience smooth buttery app.

🚀 Mobile App Developer | iOS & Android | Kotlin Multiplatform | SaaS & AI Apps Looking to build a high-quality mobile app for both iOS and Android — fast, efficient, and without double the effort? I create native-quality apps using Kotlin Multiplatform, helping startups and businesses launch products that run smoothly across platforms. From Firebase or Spring Boot backends to in-app subscriptions and AI integrations, I deliver complete, ready-to-launch MVPs that users and investors love. 👋 A Little About Me I’m a mobile developer with over 4 years of experience building apps for Android and iOS. I’ve worked with technologies like Kotlin, Swift, Jetpack Compose, Spring Boot, and Ktor, and I’ve also contributed to open-source projects and built tools used by other developers. In the last few years, I’ve helped clients launch 30+ SaaS products, 12 AI-powered apps, and many MVPs that turned into full-scale businesses. My focus is always on clean architecture, strong performance, and a great user experience. 🧩 What I Can Help You With Cross-Platform App Development – Native apps for Android & iOS using Kotlin Multiplatform. SaaS & MVP Development – Scalable apps for startups to test ideas and attract funding. AI Integration – Add intelligent features with TensorFlow, ML Kit, or Generative AI models. Backend & APIs – Build secure, efficient, and scalable backends with Spring Boot, Ktor, or Firebase. Automation Tools – Streamline workflows to save time and increase productivity. ⚙️ My Tech Stack Languages: Kotlin, Swift Backend: Spring Boot, Ktor, Firebase, Supabase, MongoDB, SQLite, RoomDB Architecture: MVVM, Clean Architecture, Multi-Module UI Frameworks: Jetpack Compose, SwiftUI AI/ML: TensorFlow, Generative AI, Python Integrations Design: Figma, Adobe XD APIs: REST, GraphQL 🌍 Industries I Work With ✔ Real Estate – Property listing & management apps ✔ Healthcare – Telemedicine & patient tracking apps ✔ SaaS – Dashboards, CRMs, and automation tools ✔ E-commerce – Shopping, inventory & order systems ✔ Logistics – Tracking, delivery & fleet apps ✔ Education – eLearning and LMS platforms If you’re planning to bring your app idea to life — whether it’s an MVP, a SaaS platform, or an AI-powered mobile product, I’d love to help. Let’s build something your users will love. Kind regards, Arfin Hossin Patwary

I’m an experienced Mobile Engineer & Team Lead with 11+ years of expertise in Android and iOS development, delivering apps that have reached millions of users worldwide. Over the years, I’ve built, scaled, and maintained enterprise-grade apps as well as specialized custom solutions, with a strong focus on performance, clean architecture, and modern mobile best practices. What I Do Best: Mobile Development (Android & iOS) – Expert in Android (Kotlin/Java) and experienced in iOS (Swift/SwiftUI), building high-quality, production-ready applications across both platforms. Strong knowledge of Jetpack, coroutines, Hilt/Dagger, Room, Navigation, RxJava, Firebase, and App Store / Play Store guidelines. App Architecture & Performance – Scalable MVVM/MVI architectures, optimized UI patterns (RecyclerView, ViewPager2), efficient state management, robust caching, and offline-first strategies. Authentication & Security – OAuth2, token refresh flows, secure storage, deep linking (Branch), push notifications (FCM/APNs), and analytics integrations (MoEngage, Firebase). Team Leadership – Currently serving as Engineering Lead (Mobile), mentoring developers, driving architecture decisions, and ensuring delivery under tight timelines. What You Can Expect: ✔️ Fast & reliable delivery – I prioritize hitting deadlines without compromising quality. ✔️ Clear communication – Regular updates, proactive suggestions, and collaborative problem-solving. ✔️ Long-term value – I don’t just build apps; I help you plan for scale, stability, and future growth. ✔️ Hands-on expertise – Whether fixing urgent production crashes, building new features, or leading full app development, I take ownership until the job is done right.

👋 Welcome to my profile! I'm Asif, a seasoned Android application developer with a passion for crafting user-friendly and innovative mobile experiences. With over 5 years of hands-on experience in the field, I have honed my skills to deliver top-notch solutions tailored to meet my client's needs. 📱 Throughout my career, I have successfully developed a diverse range of Android applications, spanning various industries including finance, healthcare, and gaming. My expertise lies in building robust and scalable applications from scratch, as well as optimizing existing codebases for improved performance and user satisfaction. 💡 One of my key specializations is in publishing apps on the Google Play Console. I am well-versed in the platform's intricacies and adept at navigating the submission process efficiently. From initial setup to app listing optimization and ongoing maintenance, I ensure your app meets all requirements and stands out in the crowded marketplace. 🔧 Here's what I bring to the table: **Proficiency in Java/Kotlin programming languages and Android SDK **Strong understanding of mobile UI/UX principles **Experience with RESTful API integration and third-party libraries **Unit-test code for robustness, including edge cases, usability, and general reliability **Thorough knowledge of Google Play policies and best practices **Work on bug fixing and improving application performance **Commitment to delivering high-quality, bug-free code on time and within budget 🌟 Client satisfaction is my top priority, and I strive to exceed expectations with every project I undertake. Whether you're a startup looking to launch your first app or an established business seeking to enhance your mobile presence, I'm here to help you achieve your goals. 💬 Ready to bring your Android app idea to life? Let's connect and discuss how we can turn your vision into reality!

Hi, this is Amit Hasan I have been in the programming field for over five years, working as a Software Engineer, Full-Stack Developer, and Software Architect. I am skilled in C, C++, C#, Java, Kotlin, Python, Dart, JavaScript, TypeScript, and Swift. On the framework side, I work with Flutter, React.js, Next.js, NestJS, and Django to build modern and scalable applications. I specialize in: Mobile App Development (Android & iOS with Flutter, Kotlin, Java, Swift) Web Development (React.js, Next.js, Django, Node.js, NestJS) Backend & Architecture (Microservices, REST APIs, RabbitMQ, Redis, PostgreSQL) UI/UX Design (Mobile & Web) Currently, I work with an IT company, building full-stack solutions and leading architecture design for web and mobile projects. I have also delivered many successful freelance projects for international clients on Upwork. Coding is not just my profession — it’s my daily life and passion. I enjoy turning ideas into products and am committed to delivering clean, efficient, and high-quality solutions. I’d be happy to work full-time or part-time on your project and bring it to success.

I’m a Computer Science graduate and a Senior Mobile Software Engineer with 8+ years of experience building high-quality, scalable iOS, Android, and cross-platform applications for startups and enterprise clients. My core expertise lies in iOS development (iPhone & iPad), where I design and deliver clean architectures, smooth user experiences, and production-ready apps that meet both business and technical goals. I’ve worked on consumer apps, fintech platforms, IoT products, and feature-rich applications used by thousands of users. I strongly believe in code quality, performance, and maintainability. I take full ownership of the development lifecycle from understanding your idea and refining requirements, to building, testing, and publishing apps on the App Store. In recent years, I’ve also embraced AI-assisted development workflows to improve productivity, code quality, and delivery speed — using tools like GitHub Copilot, ChatGPT, Cursor, and AI-powered design tools to accelerate development without compromising standards. What You Can Expect Working With Me • Clear communication and honest timelines • Clean, scalable, and well-documented code • Strong focus on UX, performance, and reliability • On-time delivery and long-term support • A partner mindset — not just a task executor Technical Skills & Expertise Mobile Development • iOS (Swift, SwiftUI, Objective-C) • RxSwift, Combine • iPad-optimized & universal apps • Kotlin Multiplatform (KMM) • Android (Kotlin, Jetpack Compose) Architecture & Quality • MVVM, Clean Architecture • State management • Unit testing & UI testing • Performance optimization Backend & Integrations • REST APIs • Firebase • Authentication & authorization • Push notifications • Payment & subscription flows Maps & Location • Apple Maps & Google Maps • Location tracking & geofencing UI / UX • Modern UI/UX patterns • Figma collaboration • Accessibility & responsive layouts AI-Assisted Development • GitHub Copilot • ChatGPT for architecture, debugging & refactoring • Cursor AI • AI-assisted code reviews & documentation I’m always looking for opportunities to work on challenging, meaningful projects where I can add real value through strong engineering and thoughtful product decisions. If you’re looking for a reliable, experienced, and quality-driven mobile developer, I’d be happy to discuss your idea and help turn it into a successful product.