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I specialize in developing large-scale applications, handling both backend and frontend with precision. With extensive experience in building high-traffic backend systems, I ensure performance, scalability, and reliability. On the mobile side, I'm an expert in both native (iOS & Android) and cross-platform development, delivering seamless and high-performing applications. Especially in Flutter. I have deep expertise in Relational Databases & NoSQL, optimizing data structures for efficiency and scalability. My backend proficiency spans Python and Node.js, crafting robust and scalable APIs. For the frontend, I excel in React & Next.js, Vue & Nuxt.js, building dynamic, responsive, and high-performance user interfaces. If you're looking for a highly skilled full-stack developer who can architect, develop, and optimize applications from end to end, let's connect! 🚀

⚡ Backend systems should not become fragile over time; they must stay maintainable, scalable, and reliable as products grow. I am a Backend Engineer specializing in Java, Kotlin, and Spring Boot, focused on building production-grade systems where clean architecture, long-term maintainability, and stability are critical. I combine strong backend engineering practices with practical system design to create APIs and services that remain easy to extend, debug, and operate in real-world environments. Clients work with me when system quality, clean code, and scalable backend architecture matter, not just feature delivery. 🏆 Proven Engineering Approach ✔ Clean, maintainable backend architecture ✔ Production-focused development mindset ✔ Long-term scalability and reliability focus ✔ Clear communication and structured collaboration 🚀 Core Capabilities ☕ Backend Engineering with Java & Kotlin • Spring Boot application development • REST API design & implementation • Business logic architecture • Secure and maintainable backend systems • Performance-focused backend development 🏗 Scalable System Architecture • Microservice-based architectures • Modular and maintainable code structure • Service communication patterns • Production-ready backend design • Reliability and scalability optimization 🗄 Database & Persistence Engineering • PostgreSQL, MySQL, MongoDB • Hibernate / JPA / Spring Data JPA • Query optimization & data modeling • Relational and NoSQL database design ⚙ Development & DevOps Workflow • Docker-based environments • Git-based development workflows • Unit & integration testing • CI/CD-friendly project structures 🔍 Engineering Focus 🏢 Enterprise & Business Platforms Scalable APIs • backend services • maintainable systems 🚀 Startup Products & SaaS Platforms Fast iteration • clean architecture • long-term scalability 💡 Engineering Mindset • Architecture-first thinking • Clean and understandable code • Simplicity over over-engineering • Production reliability focus • Ownership from development to deployment • Long-term maintainability mindset 🧰 Technical Stack Java • Kotlin Spring Boot • Spring MVC • Spring Data JPA REST APIs • Microservices PostgreSQL • MySQL • MongoDB Hibernate • JPA Docker • Git ✨ Why Clients Choose Me ⭐ Clean and maintainable backend architecture ⭐ Scalable production-ready systems ⭐ Strong Java & Kotlin expertise ⭐ Clear communication & accountability ⭐ Reliable engineering mindset 🚀 Ready to Build Stable, Scalable Backend Systems? If you need a backend engineer who cares about clean architecture, maintainable systems, and production reliability, I am ready to help. Let us build backend systems that stay reliable, scalable, and easy to maintain long after launch.

I help startups and businesses build AI-powered products, SaaS platforms, mobile apps, and workflow automation systems. Over the last 11+ years, I've worked across healthcare, fintech, ecommerce, marketplaces, education, and AI-driven products, helping founders take ideas from concept to production. Core expertise: 1/ AI Agents & AI Automation 2/ OpenAI & Claude Integrations 3/ Voice AI (Twilio, Retell AI) 4/ React Native & Flutter 5/ Next.js, React, Node.js & NestJS 6/ SaaS & Multi-Tenant Platforms 7/ Firebase, Supabase & PostgreSQL 8/ Stripe & Subscription Systems 9/ CRM & Third-Party Integrations 10/ AWS & Cloud Infrastructure Most of my work with clients looks like this: 1/ Launching new products from scratch 2/ Take over and complete existing codebases 3/ Scale SaaS and mobile platforms 4/ Build AI-powered workflows and automation systems Why me? 1/ 100% job success rate. That means if you hire me, you get the work you desire. I always tend to exceed expectations. 2/ Approx. 16000 logged hours. 70 jobs completed. Not easy to maintain this long streak, this shows my commitment towards my work. Hiring me can never go wrong!

I have understanding of many technical subjects. I am a software developer who loves coding, learning new technologies, improving myself and researching. I have experience with working in international companies and distributed teams. I am working in the role of Full Stack Developer, with emphasis on Backend. I mostly develop applications with using Java, Spring Boot, .Net Core, Nodejs, Javascript, Postresql and nosql products. Advanced Proficiency in English.

FULL Stack Web Developer + Cloud Engineer + LLM Systems Engineer -- Profile: ataadevs.net -- 🚀 8+ Years of Experience 📈 High-Quality Work 💰 Cost-Efficient Services 💼 Long-term working relationship 👨‍💻 Fluent English Verified Front-end: ► NextJs ► React Native | React.js ► Blazor Back-end: ► C# | .Net | ASP.NET Core, MVC ► Python Fast API ► MySQL | MSSQL | NoSQL ► Entity Framework LLM Engineering: ► Integrations with famous harnesses (Claude Code, Codex, ..) ► Agentic Frameworks (Lang-chain, Open-Claw, ..) ► In code libraries (C# Semantic-Kernel, Pyrhon Open-AI, ..) Cloud: ► AWS ► Azure

🕹️ I build multiplayer and realtime Unity games and integrate the backend systems that power them since 2016 (10+ years) ⬆️ Why clients pick me: 40+ games shipped · 15M+ players reached · Top Rated Plus (At first %1) · 100% Job Success. 📚 Most game developers stop at the client side. My edge is the full stack: I connect your game to real backend infrastructure , APIs, realtime servers, databases, analytics, and economy systems → so your game scales smoothly and actually retains players. 🚀 HIRE ME IF YOU WANT: ✅ 🕹️ Realtime multiplayer → UDP or WebSocket-based netcodes, FPS/TPS, cloud save, friendship & matchmaking systems ✅ 🌐 Game ↔ backend integration → APIs, data pipelines, analytics, server architecture, SQL/NoSQL databases ✅ 📱 Cross-platform Unity 6 → mobile, PC, VR, and WebGL/browser ✅ Browser .io games → Three.js, Phaser, HTML5 Canvas ✅ ✈️ Advanced gameplay systems → physics, vehicle controllers (car/motorcycle/aircraft), ragdoll/humanoids, procedural generation, economy & market systems ✅ ⚙️ Backend development → Node.js & TypeScript, REST & WebSocket services, web dashboards ✅ Workflow: Git, GitFlow, CI/CD ✅ Multiplayer & backend: Mirror Network, Photon Quantum, Photon Fusion, PlayFab, Azure Functions, AWS, Firebase, LiveOps I work with clean-code standards and test-driven development, and I deliver on time. 🤝 HOW WE WORK - You own everything: all source, all assets, all repository, all IP. Always. - No black box: clean, best practices applied, documented code your team can pick up. - No lock-in: standard Unity and C#, so you're never dependent on me. - Plain language: not technical? No problem. I work with founders and designers daily, jargon-free. If you need a game built right and a backend that won't break when players show up → let's talk. Unity Developer, Game Developer, Senior Unity Developer, Unreal Engine 5 Expert, Multiplayer Game Engineer, WebGL Optimization, AI Game Integration, Playable Ads Developer, Expert Unity Developer, Game Developer, Senior Game Developer, Web Games, PC Games