Hire the Best Kotlin Developers
in Algeria

🌟 Top-Rated Plus by Upwork 🌟 I'm a Senior Developer with a wealth of experience in Android & iOS development, both frontend and backend. I do native development (Swift, Kotlin) and frameworks such as React Native and Flutter. Skillset includes: ✔️ Native Android Development (Java, Kotlin, C++) & iOS (Swift, Objective-C) ✔️ Kotlin multiplatform (Android, iOS, Web, Desktop) ✔️ Compose multiplatform ✔️ Flutter (Dart) ✔️ React Native ✔️ Ionic/Xamarin - Capacitor - Svelte ✔️ Backend Development (Spring Boot, Django, PHP + SQL/noSQL) ✔️ PC App Development (Node.js, Ruby on Rails, Qt Python, Kotlin Multiplatform) ✔️ Web App Development (JS/Wasm, Svelte, WordPress, Kotlin Multiplatform) 🎯 I am triliingual, I speak Arabic (natively), English, and French 🎯 I leverage AI agentic coding to bring the products I make for you to perfection and cut development time in half

TLDR: Check reviews ! :) portfolio: bilalbelli.eu 👈 Why hiring me ? because i provide a high quality job and get the job done real quick ! I’m an experienced Software Engineer (with diploma) and Developer (not a vibe coder ! i understand and i can do everything) specializing in Python, Java, Javascript, Typescript, and modern Web technologies (Angular, Spring Boot, Node.js, Flask, Wordpress, Bootstrap, Next.js, Nuxt.js, Electron.js), and I also provide tutoring and mentoring in programming and computer science topics. I hold a strong Computer Science and Systems Engineering background, with solid experience in software development, backend & frontend engineering, system design, machine learning (AI, ML, DL, Agents) and applied problem-solving. I enjoy tackling non-standard and real-world problems, covering application design, algorithmic thinking, system architecture, and production-ready implementations, from initial analysis to clean, documented, and maintainable code. I regularly work on full-stack engineering problems, including: - Coding, - Documentation, - Manual Creation, - Scientific & Technical Writing, - Tutoring, I have hands-on experience with a wide range of technologies and tools, including Python, Java, C, JavaScript, TypeScript, HTML, CSS, SQL, and frameworks such as Spring Boot, Node.js, Flask, Electron, and Angular. I also work with relational databases (PostgreSQL, MySQL, SQL Server), and modern DevOps & infrastructure tools like Git, Docker, Jenkins, Ansible, Jira, as well as Linux environments and networking solutions (Nginx, HAProxy, DNS, virtualization). I’m comfortable learning and adapting to new technologies quickly, and my broad technical foundation allows me to switch tools and frameworks efficiently to best fit project requirements.

Need a Flutter app that actually works end-to-end, from pixel-perfect UI to scalable backend? I build production-ready cross-platform apps that launch on time, scale with your users, and never leave you stuck with a half-finished backend. I'm a Top Rated Flutter developer with 100% Job Success and 7+ years of experience. I understand my clients vision instantly, ask the right questions, and deliver exceptional software within record time. WHAT MAKES ME DIFFERENT: Most Flutter developers stop at the UI. I deliver the complete package: - Flutter & Dart: Cross-platform iOS and Android apps with smooth, native-feeling UI - Firebase & AWS Amplify & Supabase: Authentication, real-time databases, push notifications, storage - REST API & GraphQL: Custom backend integration with Laravel, Node.js, or serverless - AWS Cloud Infrastructure: S3, Lambda, API Gateway, RDS, CloudFront - I set it up so your app scales - CI/CD for Mobile: FastLane, GitHub Actions, Codemagic - automated builds and deployments - App Store Deployment: I handle the full submission process for iOS and Google Play RECENT PROJECTS: - Built and maintained a Flutter app with AWS Amplify backend over 3+ years of continuous development - Developed event management mobile app with complex features and API integrations - Fixed and enhanced a Flutter/Firebase app, going above and beyond to deliver production quality (5.0 rating) - Delivered Android app with API integration that earned the client's highest praise: "found the -perfect developer" I'm a Top Rated freelancer with 100% Job Success and your project is in reliable hands. Ready to build your app? Click "Invite to Job" or send me a message - I respond within a few hours.

I'm an Android Developer with 7 years of experience. I can design, create, test, and maintain profitable Android apps for a wide range of Android devices with different Android versions and screen sizes, I'm also able to effectively self-manage during independent projects, as well as collaborate as part of a productive team. My main skills are: - Android app development using the MVVM and MVI architectures. - Kotlin & Java. - Jetpack Compose & XML. - Unit testing with JUnit. - Dependency injection with Hilt. - Room database. - Retrofit & Ktor. - Firebase (Firestore, RTDB, Firebase Functions, crashlytics...) - Google AdMob integration - Algolia, Agora. - Android's background/foreground services. - Familiarity with the Google Play app publishing process.

I hold a Ph.D. in Theoretical Physics and am a seasoned Android and backend developer with over 6 years of professional experience. Currently working at Yassir, I specialize in building high-quality, scalable native Android applications using Kotlin and modern Jetpack libraries. Over the years, I’ve developed and shipped multiple robust mobile apps, contributed to large-scale codebases, and helped numerous clients bring their ideas to life. While Android development is my primary expertise, I also have solid experience in backend development, particularly using Go (Golang), with a focus on building RESTful APIs and domain-driven systems. I have deployed production-ready backends, integrated authentication systems like Google IAP, and worked with databases like PostgreSQL and MongoDB. Core Android Skills: - Kotlin / Java, Android SDK - Jetpack Compose, Clean Architecture, MVVM - Room, Lifecycle, Navigation, WorkManager, Data Binding - Retrofit, Koin, Dagger2, Hilt, Picasso, Expenso - Firebase, CameraX / Camera2, ExoPlayer, Maps & Geolocation Backend Experience: - Golang (Fiber and Gin frameworks) - RESTful API design - PostgreSQL, MongoDB - Authentication systems (including Google IAP) - Cloud deployment and infrastructure (e.g., Google Cloud) I’m passionate about building performant, user-friendly applications from the ground up and enjoy working across the stack when needed to ensure seamless integration between mobile and backend systems.

Full-Stack Developer | Mobile, Web, and Desktop Applications I'm a versatile and detail-oriented developer with hands-on experience in building mobile, web, and desktop applications. I enjoy creating efficient, user-friendly solutions and writing clean, maintainable code. My skill set includes: - Mobile: Android (Kotlin, Jetpack Compose), Flutter - Web: HTML, CSS, JavaScript, React - Backend: Node.js, Express, Firebase, FastAPI, Java Spring - Desktop: Java, Python, Electron - Databases: Firestore, SQLite, MySQL, MongoDB, Postgres I'm committed to delivering high-quality work, meeting deadlines, and helping you bring your ideas to life. Let’s connect and build something great together.