Hire the Best Chatbot Developers
in Turkey

5+ Years Building Production-Grade Apps Real Startup Experience & Have worked with 30+ Startups Cloud-Deployed, Scalable, AI-Powered Invite me to your project or message me. Accepting new projects. Senior Full Stack Developer | Next.js, React Expert | AI Integration | Production Apps | Full Stack Development --- What I Deliver: 1️⃣ Full-Stack Applications - Next.js, Supabase, Firebase, React, TypeScript, PostgreSQL. Production apps with real users, cloud-deployed and scaling. 2️⃣ Backend Architecture - NodeJS, ExpressJS, NestJS, PostgreSQL, Supabase, Firebase, Microservices, RESTful APIs, GraphQL, real-time systems. Serverless and serverfull. 3️⃣ AI Integration - AI-accelerated development with Claude, Cursor, Gemini. LLM integration, chatbots. 4️⃣ SaaS Platforms - Cloud-native apps with auth, Stripe payments, LemonSqueezy Payments, Mollie Payments, Posthog - Google analytics, monitoring. AWS, Vercel, Railway, Firebase, AWS Lighthouse, hetzner deployments. --- I build production-ready applications that handle real users, real traffic, and real business constraints.
 I’ve built and scaled high-traffic event websites handling 200,000+ monthly visitors and 4,000+ transactions per month, as well as fully-functional SaaS products for startups that are actively generating MRR today. As a founder, I take products from zero to hero; owning architecture, infrastructure, and execution end-to-end. I combine enterprise-level engineering discipline with startup execution speed, delivering battle-tested systems designed to scale. --- Why Work With Me: ✨ AI-Accelerated Development - Claude, Cursor, Gemini workflows delivering 4-5x faster without sacrificing quality 🎯 Production-First - Error handling, monitoring, security, scaling from day one ⚡ Full-Stack Mastery - Database to APIs to UI/UX—complete ownership 🔧 Cloud-Native - Serverless or serverfull, architected for 99.9% uptime 📊 Real World Experience - Systems handling thousands of concurrent users in production --- Tech Stack: Frontend: React, Next.js 14+, 15+, 16+ React Native, TypeScript, Tailwind CSS, shadcn/ui Backend: NestJS, Node.js, Express, WebSocket Database: PostgreSQL, Supabase, Firebase, Prisma, Redis, MySQL, Vector DBs Infrastructure: AWS, Vercel, Netlifty, Railway, Docker, Serverless, CI/CD AI: Claude API, OpenAI, Gemini, LangChain, Claude
Payment: Stripe, LemonSqueezy, Mollie integrations --- Results: ✅ Apps with 99.9% uptime handling thousands of users ✅ 60-80% faster delivery via AI-accelerated development ✅ Scalable cloud architectures (serverless/serverfull) ✅ AI features creating competitive advantages ✅ Production code with tests, docs, monitoring --- Best For: ✔️ Startups building scalable production MVPs ✔️ Founders needing technical co-founder expertise ✔️ AI integration into existing products ✔️ Real-time, cloud-native applications ✔️ Teams valuing quality and speed ✔️ Integrating payment solutions --- 𝗜𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 𝗼𝗿 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲. 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗯𝘂𝗶𝗹𝗱. Uğur Kellecioğlu | Full-Stack Developer | AI Integration | Production Apps | SaaS | AI --- *Keywords:* 🔸 Full Stack Developer - Next.js Developer - NestJS Developer - TypeScript Developer - Node.js Developer - React Developer - JavaScript Developer - Frontend Developer - Backend Developer 🔸 React Native Developer - Mobile App Development - iOS Developer - Android Developer - Cross-Platform Development 🔸 API Development - REST API - GraphQL API - Microservices - Backend Architecture - Server-Side Development 🔸 PostgreSQL Developer - Database Developer - Supabase Developer - Firebase Developer - Database Design - SQL - Prisma - TypeORM 🔸 AI Developer - AI Integration - LLM Integration - Claude API - ChatGPT Integration - OpenAI Developer - Gemini Integration - Machine Learning Developer 🔸 Chatbot Developer - Chatbot Development - AI Chatbot - Conversational AI - Customer Service Bot - Chat Application 🔸 Cloud Developer - AWS Developer - Serverless Developer - Lambda Developer - Cloud Architecture - DevOps Engineer - CI/CD 🔸 SaaS Developer - SaaS Development - Web Application Developer - Stripe Integration - Mollie Integration - LemonSqueezy Integration - Payment Gateway - Subscription Platform 🔸 Real-Time Developer - WebSocket Developer - Socket io - Live Chat - Real-Time Application - Event-Driven Architecture 🔸 Startup CTO - Technical Co-Founder - MVP Development - Product Development - Tech Lead - Engineering Manager 🔸 tRPC - Zustand - React Query - TanStack - Tailwind CSS - shadcn/ui - Fastify - Docker - Kubernetes

⭐⭐⭐⭐⭐"Mehmet is smart, capable and thinks outside the box when approaching the project. What he sent me was over and above what I asked for, and done smarter than I had conceived. Honestly he executed the contract flawlessly, and we are starting a new project together." - Miranda J. Palo Alto The above feedback is one of my favorite testimonials regarding my work here on Upwork. It encapsulates the objectives I aim for when taking on projects - to execute agreed deliverables impeccably, provide services above and beyond expectations, and continually add outstanding value that enables my clients' businesses to prosper. Through dedication and care for my clients' goals, I strive to build lasting relationships rooted in trust. Why I am the Optimal Choice Over Other Freelancers ✅ Proven Reliability: My utmost priority is providing tremendous value to earn my clients' trust and appreciation, as seen in their exceptional feedback. ✅ Going the Extra Mile: I believe in underpromising and overdelivering. My focus stays on fully addressing needs and exceeding expectations with quality solutions. ✅ Highly Responsive: Communication forms the cornerstone of fruitful partnerships. I pride myself on prompt responsiveness and complete transparency. ✅ Tenacious Problem-Solver: As current and past clients can validate, I persistently work to tackle any challenges faced and discover optimal solutions. ✅ Deep Understanding: I possess a unique ability to deeply understand my clients' ideas and requirements. I leverage this insight to craft innovative technologies that not only support but also foster the growth of their businesses. This mix of technical skills, work ethic and interpersonal traits allows me to build rewarding, results-driven collaborations that further their vision. My dedication stays on enriching their outcomes with diligent solutions. 🏆 Reviews and feedback from clients 🏆 The client reviews below (also in my work history section) describe the quality of work and value that you can expect from working with me: - "Great guy to work with. Went above and beyond the original scope of my project to really knock the final deliverable out of the park. Will definitely look to hire again!" - "Mehmet is smart, dependable and really easy to work with. A pleasure! We are continuing to work together on projects going forward." - "Great work, communication and explaining things" - "Great work! Hired many. So far Mehmet is the best. Keep on going." My Background I am a seasoned Software Engineer with over a decade of experience in architecting and scaling enterprise software and web technologies. My expertise spans a wide spectrum, including web and mobile application development, e-commerce operations, and the creation of scalable solutions, ranging from dynamic frontend components to scalable microservices and applications . Throughout my career, I've had the privilege of contributing to high-profile projects for some of the biggest names in e-commerce, finance and advertisement. I take immense pride in having transformed a modest e-commerce website into one of most profitable e-commerce giants of the region within just three years.

🚀 Top 1% Upwork Developer | 100% Job Success Score ✅ 4+ Years Building Production-Grade Apps ☑️ Real Startup Experience & Have worked with 30+ Startups 🎯 Cloud-Deployed, Scalable, AI-Powered Invite me to your project or message me. Accepting new projects. Senior Full Stack Developer | Next.js, React Expert | AI Integration | Production Apps | Full Stack Development $50.00/hr --- What I Deliver: 1️⃣ Full-Stack Applications - Next.js, Supabase, Firebase, React, TypeScript, PostgreSQL. Production apps with real users, cloud-deployed and scaling. 2️⃣ Backend Architecture - NodeJS, ExpressJS, NestJS, PostgreSQL, Supabase, Firebase, Microservices, RESTful APIs, GraphQL, real-time systems. Serverless and serverfull. 3️⃣ AI Integration - AI-accelerated development with Claude, Cursor, Gemini. LLM integration, chatbots. 4️⃣ SaaS Platforms - Cloud-native apps with auth, Stripe payments, LemonSqueezy Payments, Mollie Payments, Posthog - Google analytics, monitoring. AWS, Vercel, Railway, Firebase, AWS Lighthouse, hetzner deployments. --- Hi! 👋 I’m Murat Efe Dogan.
 I build production-ready applications that handle real users, real traffic, and real business constraints.
 I’ve built and scaled high-traffic event websites handling 200,000+ monthly visitors and 4,000+ transactions per month, as well as fully-functional SaaS products for startups that are actively generating MRR today. As a founder, I take products from zero to hero; owning architecture, infrastructure, and execution end-to-end. I combine enterprise-level engineering discipline with startup execution speed, delivering battle-tested systems designed to scale. --- Why Work With Me: ✨ AI-Accelerated Development - Claude, Cursor, Gemini workflows delivering 4-5x faster without sacrificing quality 🎯 Production-First - Error handling, monitoring, security, scaling from day one ⚡ Full-Stack Mastery - Database to APIs to UI/UX—complete ownership 🔧 Cloud-Native - Serverless or serverfull, architected for 99.9% uptime 📊 Real World Experience - Systems handling thousands of concurrent users in production --- Tech Stack: Frontend: React, Next.js 14+, 15+, 16+ React Native, TypeScript, Tailwind CSS, shadcn/ui Backend: NestJS, Node.js, Express, WebSocket Database: PostgreSQL, Supabase, Firebase, Prisma, Redis, MySQL, Vector DBs Infrastructure: AWS, Vercel, Netlifty, Railway, Docker, Serverless, CI/CD AI: Claude API, OpenAI, Gemini, LangChain, Claude
Payment: Stripe, LemonSqueezy, Mollie integrations --- Results: ✅ Apps with 99.9% uptime handling thousands of users ✅ 60-80% faster delivery via AI-accelerated development ✅ Scalable cloud architectures (serverless/serverfull) ✅ AI features creating competitive advantages ✅ Production code with tests, docs, monitoring --- Best For: ✔️ Startups building scalable production MVPs ✔️ Founders needing technical co-founder expertise ✔️ AI integration into existing products ✔️ Real-time, cloud-native applications ✔️ Teams valuing quality and speed ✔️ Integrating payment solutions --- 𝗜𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 𝗼𝗿 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲. 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗯𝘂𝗶𝗹𝗱. Murat Efe Dogan | Full-Stack Developer | AI Integration | Production Apps | SaaS | AI --- *Keywords:* 🔸 Full Stack Developer - Next.js Developer - NestJS Developer - TypeScript Developer - Node.js Developer - React Developer - JavaScript Developer - Frontend Developer - Backend Developer 🔸 React Native Developer - Mobile App Development - iOS Developer - Android Developer - Cross-Platform Development 🔸 API Development - REST API - GraphQL API - Microservices - Backend Architecture - Server-Side Development 🔸 PostgreSQL Developer - Database Developer - Supabase Developer - Firebase Developer - Database Design - SQL - Prisma - TypeORM 🔸 AI Developer - AI Integration - LLM Integration - Claude API - ChatGPT Integration - OpenAI Developer - Gemini Integration - Machine Learning Developer 🔸 Chatbot Developer - Chatbot Development - AI Chatbot - Conversational AI - Customer Service Bot - Chat Application 🔸 Cloud Developer - AWS Developer - Serverless Developer - Lambda Developer - Cloud Architecture - DevOps Engineer - CI/CD 🔸 SaaS Developer - SaaS Development - Web Application Developer - Stripe Integration - Mollie Integration - LemonSqueezy Integration - Payment Gateway - Subscription Platform 🔸 Real-Time Developer - WebSocket Developer - Socket io - Live Chat - Real-Time Application - Event-Driven Architecture 🔸 Startup CTO - Technical Co-Founder - MVP Development - Product Development - Tech Lead - Engineering Manager 🔸 tRPC - Zustand - React Query - TanStack - Tailwind CSS - shadcn/ui - Fastify - Docker - Kubernetes

Hello, I’m Enes! With a forward-thinking and innovative approach, I deliver AI-powered solutions that drive digital transformation for businesses. My areas of expertise include ChatGPT API, GPT-4 API, AI model integration, chatbot integration, API development, and AI agent development. By leveraging robust technologies like Python and Node.js, I build scalable, reliable, and user-centric projects. In every project, my top priority is understanding your business objectives, crafting a strategic solution plan, and integrating the latest technological advancements. My innovation-driven mindset allows me to deliver custom solutions that enhance your competitive edge. Whether it’s a short-term project or a long-term collaboration, I am committed to professionalism and transparent communication throughout our work together.