Only complex projects, no fixed-price based contracts. ⭐️⭐️⭐️⭐️⭐️ "Anybody who gets the opportunity to work with Nazar will be not only satisfied but thrilled. He's humble, smart, capable. Definitely hire again." Hey — what are you working on? Maybe I can help 🙂 I usually jump in at different stages of a project: 🚀 Build products from scratch (idea → flows → UI → full dev) 🛠 Upgrade / refactor existing systems ⚙️ DevOps, server setup & scaling 🕸 Scraping, data extraction & pipelines 💳 Payment integrations (Stripe, PayPal, etc.) 🔗 API integrations (Google APIs, third-party services) …and more depending on what you need About me: I have 20 years of experience building: ✔ Websites (custom or CMS-based) ✔ Web apps & SaaS platforms ✔ Data-driven systems I’ve worked across fintech, healthcare, retail, logistics, edtech, and more. Typical projects: ✔ CRM / ERP systems ✔ AI-powered platforms ✔ Data & analytics tools ✔ Web & mobile apps ✔ IoT solutions ✔ Legacy system upgrades AI stuff I do (real-world, not just demos): 🤖 AI chatbots & AI agents (support, internal tools, automation) 🧠 RAG pipelines (connect LLMs to docs, DBs, APIs) 📊 Predictive analytics (forecasting, anomaly detection) 🔍 Semantic search & vector DBs 🗣 Speech AI (STT, TTS, voice agents) 👁 Computer Vision ⚙️ AI automation workflows (multi-step agents, business processes) 🧪 Fine-tuning, evaluation & MLOps pipelines Tech stack.. Backend: - Python (Django, Flask, FastAPI, Tornado) - Node.js (MEAN / MERN stacks) - PHP (Laravel, CodeIgniter, CakePHP) Frontend: - React, Angular, Vue - HTML5, CSS3, JS (jQuery, AJAX, etc.) - Responsive, mobile-friendly, cross-browser layouts - Bootstrap, Tachyons Data & DBs: - PostgreSQL, MySQL, MongoDB - Data pipelines, transfer, processing Other: - REST APIs, third-party integrations - Payment systems (Stripe, PayPal, Braintree, etc.) - Scrapy + custom scraping solutions - Cloud (AWS/GCP), deployment, infra --------------- If you’ve got an idea (or something half-built and messy), I can help you figure out how to actually ship it without over engineering. Happy to jump on a quick 30-min call, understand your goals, and map out next steps. Just ping me 👍 -------------- Python, Django, mysql, Postgres, flask, fast api, ai chatbot, scrapy, data extraction, data scraping AI Chatbot, AI Agent Development, AI App development, Chatbot Development, Generative AI, MLOps, Artificial Intelligence, Machine Learning, AI Development, AI Bot --------------- Node.js, Express.js, NestJS, Next.js, TypeScript, JavaScript, MongoDB, PostgreSQL, MySQL, GraphQL, REST API, Prisma, Sequelize, Redis, WebSockets, Socket, API Integration, Microservices, Serverless, AWS Lambda, Docker Backend Development, Full-Stack Development, API Development, Real-time Applications, Microservices Architecture, Cloud Development, Scalable Systems, SaaS Development, Web App Development, System Design

⭐️𝐒𝐞𝐧𝐢𝐨𝐫 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐝𝐞𝐯 𝐰𝐡𝐨 𝐰𝐫𝐢𝐭𝐞𝐬 𝐜𝐨𝐝𝐞 𝐲𝐨𝐮𝐫 𝐟𝐮𝐭𝐮𝐫𝐞 𝐭𝐞𝐚𝐦 𝐰𝐨𝐧'𝐭 𝐜𝐮𝐫𝐬𝐞. 💡 130+ production-grade products delivered (SaaS, MVPs, AI systems, marketplaces) 💰 $16.5M+ revenue generated by client products 👥 157K+ active users powered by systems I built ⚡ 1M+ API requests/month at 99.9% uptime 🚀 MVP → production in 2–6 weeks, architected to scale from day one 🔥 WHAT I DO You're building a SaaS, MVP, or AI-powered product. You need a Full Stack Developer who can own React frontend and Node.js backend end-to-end, ship in weeks (not quarters), and write code your future team won't throw away. That's what I do. Early-Stage MVP, Productionizing a prototype, Scaling a Live SaaS Platform, or Legacy Codebase rebuild - I've built this on React, Next.js, Node.js, TypeScript, Supabase, PostgreSQL, AWS over 10+ years. 🔥 ROLES I TAKE ON (10+ YEARS EXPERIENCE) ✔ Full Stack Developer / Full Stack Engineer — 40+ end-to-end SaaS platforms (React + Node.js), 10+ years ✔ Frontend Developer / Front-End Developer — 30+ production UI builds, 10+ years ✔ React Developer / React.js / ReactJS Developer — scalable React apps since 2015, 10+ years ✔ Node.js / NodeJS Developer / Backend Developer — 25+ APIs, 1M+ req/month, 10+ years ✔ Vue.js Developer / Nuxt.js Developer — 8+ Vue projects, 8+ years ✔ Next.js Developer / NextJS Developer — 15+ SSR/SSG SaaS platforms, 7+ years ✔ TypeScript Developer / JavaScript Developer — 50+ typed and untyped JS codebases, 10+ years ✔ SaaS Developer / Web Application Developer / Web App Developer — MVP to scale, 10+ years ✔ Lead Frontend Engineer / Senior Full Stack Engineer — team leadership on 18+ projects 🔥 INDUSTRIES I SERVE ⚖️ For LegalTech founders — 6+ Case Management Systems, Document Workflows, Client Portals, Compliance SaaS 🏥 For Healthcare & MedTech — 8+ Patient Platforms, Telehealth, HIPAA-Compliant data, Clinic Management SaaS 📦 For Logistics & supply chain — 5+ Logistics Platforms, real-time tracking (sea/air/truck), Project44, INTTRA, EDI 🛒 For Marketplace & e-commerce — 15+ Multi-Vendor Marketplaces, B2B & Two-Sided Marketplace, Stripe, bidding, complex search 🤖 For AI startups — 12+ AI-Powered products: OpenAI / Claude API / LLM, RAG Chatbots, AI Agent Platforms, vector DBs, FastAPI, browser extensions 📝 For No-code & enterprise SaaS — 10+ Form Builders, Admin Dashboards, Internal Tools, Microservices, Multi-tenant 🌐 For Media, AdTech & publishing — 6+ Publisher Platforms, CMS, payment gateways, Analytics Dashboards 🏠 For Real estate & PropTech — Property Listings, Bidding & Auction systems, Agent Dashboards 💰 For FinTech founders — Stripe Connect, subscription billing, multi-currency, KYC, Fintech MVP 📚 For EdTech — course delivery, student dashboards, progress tracking, live sessions 🔥 RESULTS I DELIVER ✔ MVP → production in 2–6 weeks, 35% fewer bugs, 5–8 weeks shorter delivery cycle ✔ Frontend: LCP under 1.5s, Lighthouse 90+, bundle reduced 40%, 18–27% engagement uplift ✔ Backend: 1M+ API requests/month, 99.9% uptime, 40–60% lower latency ✔ Database: 3–5x faster response, 70% less DB load; 90% faster workflows, 65% fewer back-office actions ✔ +30% conversion on React / Next.js apps; 15–22% better marketplace lead quality ✔ 15,000+ shipment operations/month, 2,423+ completed orders, 30,000+ healthcare users ✔ 20+ SaaS MVPs launched, 47% fewer bugs in legacy modernization 🔥 HOW I WORK I think like a product engineer, not a code-monkey. Before writing a line, I align on the business outcome — who the user is, what they pay for, where the product needs to be in 6 months. Then I ship in weekly demos and stay available on Slack / Telegram for fast turnaround. Typical cycle: 1️⃣ Discovery & scoping (2–3 days) — define MVP boundary 2️⃣ Architecture — clean foundations, scalable schema, right stack 3️⃣ Weekly sprints with demos — progress every week 4️⃣ Production launch — CI/CD, monitoring, error tracking 5️⃣ Post-launch support — most clients keep me on 🔥 TECH STACK Frontend: React.js, ReactJS, React Hooks, Next.js, NextJS, Vue.js, Nuxt.js, TypeScript, Redux, Zustand, Tailwind CSS, shadcn/ui Backend: Node.js, NodeJS, Express.js, NestJS, Python, FastAPI, REST, GraphQL, WebSockets Database: PostgreSQL, Supabase, MongoDB, MySQL, Redis, Prisma Supabase: Auth, Row-Level Security, Edge Functions, Realtime, Storage AWS: Lambda, S3, RDS, EC2, CloudFront, API Gateway, SQS, SNS, Cognito, ECS Other cloud: Firebase, Vercel, Netlify, Cloudflare AI / ML: OpenAI API, Claude API, LangChain, RAG, RAG Chatbot, AI Agent, pgvector, Computer Vision Payments: Stripe Subscriptions, Stripe Connect, Stripe Checkout, Stripe Billing, PayPal Integrations: Twilio, SendGrid, Resend, Slack API, Telegram Bot API, EDI, Project44, Mobile: React Native, React Native Expo, iOS / Android DevOps: Docker, GitHub Actions, CI/CD, Sentry 🚀 Building a SaaS, MVP, marketplace, or AI-powered product? Click "Invite" or "Hire" and send the brief.

FREE Startup Strategy & Tech Consultation Thinking of building a web app or bot? I’m offering a free session to help you skip the "trial and error" phase. Having built 10+ production-ready apps and bots from scratch, I help you bridge the gap between an idea and a working product. I build things that actually work not only on my local machine. I've spent years building web apps with Python and React. Here are some things I've done: * Built 10+ bots and web apps for users * Used Python, React, Django, Flask, REST APIs and Docker * Full-stack development from start to finish • Web Apps & APIs: Most of my work is on the backend: * Django and Flask APIs * PostgreSQL databases * Authentication flows * Integrating with services On the frontend I use React with Vite or Next.js. and build functional user interfaces. • Bots & Automations I use aiogram, webhooks and async handler to build Telegram and Discord bots. • Infra & Deployment: Docker is part of my workflow. I compose files, containers and GitLab CI/CD or GitHub Actions. • How I Actually Work: * I ask questions before I start coding * I push updates without being reminded * If somethings unclear I flag it • Good Fit If: * You need working software, not someone who agrees with you * Your stack is Python or React (or both) * You want someone who takes ownership of the task Keywords: React / Next.js | Node.js | TypeScript | Full-Stack Development| Supabase | PostgreSQL | REST API Development | Express.js | Tailwind CSS | API Integration | Stripe | OpenAI API | Vercel | Docker | JavaScript | MongoDB |Firebase |AWS |LangChain |Web Application Development

Full stack developer with 10 years of experience | top 1% on Upwork ( Expert-Vetted ) I turn ideas into real applications your users can depend on Recent work: → Product Architect at Upwork, leading a team of 100+ engineers within Upwork's Engineering Talent Cloud → Led frontend for Autobound's AI sales automation platform - grew from a single-engineer startup to $4M raised and millions in revenue (Vue.js/Nuxt + Chrome extension + micro-frontends) → Built full stack for Augmento's AR/VR product - used by 1,000+ brands and 100K users across retail and real estate → Migrated DriverHRIS - 1,000+ screens from Vue 2/.NET to Vue 3 + Node.js microservices, with a 10x (1,000%) performance gain → Rebuilt Wawibox (German dental marketplace) - full Nuxt 2 → Nuxt 3 SSR → Nuxt 4 migration, 80% faster load time I also co-founded Softonix, a 25-engineer Vue.js | Node agency in Lviv - so if your project grows past one developer, I can scale the team without handing you off to strangers. Want to scope something? Let's talk - I usually reply within a hour 🚀 Keywords web developer, react developer, wordpress developer, mobile app developer, SQL, Software Design, Application Improvement, Software Development, Software Debugging, CSS, Software Consultation, Git, HTML, Back-End Development Framework, Full-Stack Development, Database Architecture, Agile Software Development, Node.js, Laravel, Bootstrap, Web Application, WordPress, Tailwind CSS, Python, MySQL, Shopify, PHP, JavaScript, Web Design, Desktop Application, Software Testing, API, jQuery, Vue.js, CSS 3, Standalone Application, React, HTML5, Software Architecture & Design, Angular, API Integration, Front-End Development Framework, Adobe Photoshop, React Native, blockchain developer, MongoDB, full-stack web developer, mern stack developer, ios app, php developer, game developer, Graphic Design, full stack developer, c#, front end developer, full stack web developer, front end web developer, web developer wordpress, web app developer, shopify web developer, Web Development, Responsive Design, WooCommerce, Cross Browser & Device Compatibility, Website, Website Security, Website Migration, Website Backup, react native developer, python developer, full stack react developer, react developers ethiopia, react js developer, react web developer, Front-End Development, React Bootstrap, TypeScript, Redux, wordpress website, shopify developer, seo, WordPress Customization, WordPress Plugin, bbPress, WordPress Backup, WordPress Installation, WordPress Optimization, Elementor, WordPress Development, WordPress Security, WordPress Migration, WordPress Bug Fix, WordPress Theme, WordPress SEO Plugin, flutter developer, Mobile App Development, Native App Development, Mobile App Design, App Development, Social Media Account Integration, Android App Development, Mobile App, Swift, Kotlin, iOS Development, Java, Mobile App Improvement, User Profile Creation, Mobile App Testing, Hybrid App Development, Flutter, Smartphone, Mobile App Bug Fix, Android, Mobile App Redesign I am not a mobile app developer but I have such capacity in my team. I am full stack developer and software architect with 10 years of experience and highest posible AI adoption expertise. I am web developer fullstack Software developer Test section: Next.js, GitHub, OpenAI Codex, Code Review, Cursor, SEO Performance, Affiliate Marketing, Affiliate Marketing Website Vercel, Strapi, Amazon API, CMS, Analytics, Conversion Optimization, Recommendation Engine, Prompt Engineering, Fractional CTO, Technical Product Manager, Startup Tech Lead AI Agent Development, AI Development, Amazon Web Services Postgres, AWS, OpenAI API, Claude API, LLM, AI Agent, Anomaly Detection, Document Parsing, Enterprise UI, Manufacturing, B2B, Salesforce, Vue 3 , React,

I’m a Full-Stack Developer and PhD researcher in Computer Science with strong experience building data-heavy SaaS platforms, trading automation tools, betting analytics systems, and blockchain-integrated applications. I work with clients who need more than just a typical web app developer — I help build products with real-time data, complex backend logic, automation workflows, payment/subscription systems, and scalable cloud infrastructure. What I’ve built: - EV+ betting and value-bet detection platforms that analyze bookmaker odds in real time - Prediction-market tools for Polymarket and Kalshi, including arbitrage/opportunity scanners - White-label blockchain products with wallet flows, custom auth, and trading fee logic - Risk-management systems for automated Forex trading - SaaS platforms with modern web UIs, APIs, subscriptions, and cloud deployment pipelines Why clients hire me: - I understand both product logic and engineering implementation - I’m comfortable with complex, niche domains: betting, trading, prediction markets, blockchain - I can build full systems end-to-end: frontend, backend, infrastructure, and integrations - I focus on practical, production-ready solutions rather than just prototypes Core stack: - Frontend: React, Next.js, TypeScript, Redux, Tailwind CSS - Backend: Python, FastAPI, Node.js, Express, NestJS - Databases: PostgreSQL, MongoDB, Redis, DynamoDB - Cloud & DevOps: AWS, Docker, CI/CD, Nginx - Integrations: WebSockets, payment systems, third-party APIs, blockchain wallets - ML/AI: PyTorch, TensorFlow, applied ML for domain-specific tools I’m especially interested in projects involving: - betting and sportsbook platforms - trading bots and analytics tools - prediction markets and blockchain products - real-time SaaS platforms with complex backend logic If you need someone who can quickly understand a complex product and build it properly end-to-end, I’d be glad to discuss your project.

Hi! I’m a Full-Stack Web Developer with solid experience building scalable and efficient web applications using Python/Django, Node.js, and Next.js. With a strong foundation in backend development and hands-on expertise in front-end technologies, I can handle projects from idea to deployment. Before becoming a developer, I worked for 5 years as a product manager - this gives me a unique perspective on both business goals and technical execution. I understand how to turn ideas into fully functional and maintainable solutions, always focusing on quality, performance, and user experience. ✅ Core Technologies: • Python, Django, Django REST Framework • Node.js, Express.js, Nest.js • PostgreSQL, MongoDB, MySQL • Redis, Celery, Docker, Git • REST & GraphQL APIs • Stripe, Twilio, AWS, Firebase ✅ What I bring to your project: • Clean and maintainable code • Proactive communication and daily updates • Attention to detail and long-term scalability • Strong understanding of business processes If you’re looking for a developer who not only writes code but also thinks strategically — let’s talk!

🔥 Helped more than 50+ businesses turn their ideas into lucrative products: • A book-writing platform with 100k users • A platform used to evaluate teachers for the US government • An open-source platform for building chatbots with 9,5K stars on GitHub • A Trello competitor with a 20.000 user-base • A tool to automate transcriptions within a corporation with 20,000 consultants • A visualization tool for a furniture production corporation etc. Specialization: • Web Development • Mobile Development • Dedicated Development Team • Progressive Web Apps • Cloud App Development • Machine Learning & AI • Chatbots • Internet of Things Tech Stack: Node.js, Nest.js, Next.js, React, TypeScript, Elixir, Vue.js, Express.js, Fastify, Angular, Svelte.js, Meteor (legacy), Aurelia (legacy), PhoneGap (legacy), Flutter, React Native, Elixir, Rust, MongoDB, MySQL, REST API, GraphQL, PayPal API, Braintree API, Stripe API, Elasticsearch Industries: 🎓 Education 💰 Finance and Banking 🏥 Healthcare 🤝 Nonprofit 🧑🏻‍💻 e-Learning 📊 LMS 📦 Logistics 🏡 Real Estate 🛒 Retail 🌱 Agriculture 👔 🎓Employee Training ⭐Working 8 years as a Lead Developer at Keenethics and having over 15 years of experience as a Full-Stack Developer, I'm always aware of the latest development trends and top advantageous solutions for your project. I deliver complex web and mobile apps from scratch. You're one click away from making a software solution for your business, I will be happy to provide you a technical consultation and estimate the time needed to make your project top-notch. Press the "Invite" button at the top of my profile, and let's chat🚀

Hello, I'm a full stack developer with a deep love for clean code, clear logic and build things. Over the past few years, I've worked on everything from responsiveweb applications in React to backend services in Python (Django/Flask) and Java (Spring Boot). I'm confident with : React.js, Node.js, Express, MongoDB Java(Spring Boot) and Python (Django, Flask) Git, Docker, PostgreSQL, FireBase What you'll get from me: Clear Communication Reliable, on time delivery Code you won't be afriad to read Let's turn your ideas into working software!

I'm a full stack developer specializing in AI Application Development with 8+ years of experience building web applications, SaaS platforms, and WordPress solutions. As an App Developer with AI at the core of my stack, and as an AI Integrator who plugs intelligence into existing products, I help startups, agencies, and growing businesses turn ideas into reliable, scalable AI-powered systems. The result: faster time-to-market, lower costs, and software that grows with your business. AI Application Development | App Developer with AI | AI Integrator | Building Powerful, Scalable Applications I've delivered 100+ projects across web, SaaS, and AI Application Development. I've shipped 20+ production web applications and launched 15+ multi-tenant platforms that scale from day one. As an experienced App Developer with AI, I bring the complete package - React, Python, machine learning, and front-end skills, everything needed to launch and grow your product. WHY CHOOSE ME My approach to AI Application Development covers the complete spectrum of building intelligent products, with development cycles up to 3x faster than typical timelines. As an App Developer with AI, I've shipped features that real users rely on every day, and as an AI Integrator I've connected LLMs, APIs, and automation into products that were never designed for them. As a web developer, I've cut load times by up to 60% on the sites I've optimized. FRONTEND EXCELLENCE As a dedicated React developer and front-end developer, I create interfaces users love: • React, Next.js, TypeScript, Redux - dynamic UIs with 2x faster rendering • Component-based architecture - 200+ reusable components • Mobile-first compatibility and web design that converts BACKEND ENGINEERING My backend proficiency ensures secure, scalable apps: • Node.js, Express.js, Python - APIs with 99.9% uptime • MongoDB, PostgreSQL, MySQL - sub-50ms query times • Prisma, Sequelize, Knex.js I make sure the backend matches frontend quality - the foundation every intelligent product needs. AI AND INTELLIGENT FEATURES My AI Application Development work, and my day-to-day as an App Developer with AI, includes: • LLM integration - OpenAI, Anthropic, and open-source models • Natural language processing and chat interfaces • Machine learning pipelines in production • RAG, embeddings, and vector search As an AI Integrator, I specialize in wiring these capabilities into products that already exist, with no rebuild required. MOBILE AND CROSS-PLATFORM As a mobile app developer, I deliver: • React Native for iOS and Android • Progressive Web Apps with offline capabilities • Cross-platform solutions reducing development time by 50% WORDPRESS AND CMS • Custom theme and plugin development • WooCommerce e-commerce solutions • Performance optimization achieving 90+ PageSpeed scores SAAS DEVELOPMENT AND INFRASTRUCTURE I bring scale-ready infrastructure to every build: • Docker and Kubernetes - 75% faster deployment • CI/CD pipelines - catching 90% of issues early • AWS, Vercel, DigitalOcean expertise • Multi-tenant architecture design I've designed multi-tenant systems that handle 10,000+ accounts without a drop in performance, every AI Application Development project built to scale. As an AI Integrator, I keep your AI workloads fast and cost-efficient under real traffic. ADVANCED FEATURES • WebSockets - real-time updates within 100ms • Redis caching - 30x faster response times • Stripe integration, OAuth2, JWT authentication As an AI Integrator, I wire analytics and automation together so growth tracking is intelligent from launch, not bolted on later. SERVICES I OFFER • AI Application Development, intelligent features in production • App Developer with AI, end-to-end product builds • AI Integrator, intelligence added to existing systems • Web and SaaS development, React, WordPress, mobile apps • MVP development, 40% faster time-to-market • API design, 50% faster integration YOUR PROJECT DESERVES COMMITMENT When you hire me, you get: • 2-hour response time during working hours • 100% client satisfaction across 100+ completed projects • A professional App Developer with AI fully invested in your outcome LET'S BUILD SOMETHING EXTRAORDINARY I deliver measurable results in AI Application Development that has helped 50+ clients ship products that grow. As an experienced App Developer with AI and a proven AI Integrator, I'd love to discuss your project.

⚙️ Building Scalable Digital Products with React, Node.js & Python ⚙️ 📅 6+ years of experience 📦 40+ completed projects 💰 $9M+ generated for clients 🌍 Platforms with 80,000+ active users I’m a Full Stack Developer and Full Stack React Developer with 6+ years of experience building scalable web applications. As a React Developer, React.js Developer, and Next.js Developer, I deliver modern frontend systems combined with powerful backend architectures. My backend expertise spans Node.js, Python, Django, and FastAPI, allowing me to build both high-performance APIs and enterprise-grade systems. I work as a Node.js Developer, Python Developer, Django Developer, and FastAPI Developer, depending on project requirements. As a Full Stack Developer, I frequently combine React.js, Node.js, Python, Django, and FastAPI to deliver complete end-to-end solutions. 🚀 Full Stack React, Node.js & Python Engineering I work as a Full Stack Developer, Full Stack React Developer, and React Node.js Developer, building scalable applications with React.js, Next.js (Nextjs), and robust backend systems powered by Node.js, Python, Django, and FastAPI. I use Node.js daily for backend services, APIs, and real-time systems. As a Node.js Developer, I build scalable microservices and backend logic that integrate seamlessly with frontend applications. Alongside Node.js, I use Python, Django, and FastAPI for more complex backend architectures. Django is ideal for structured systems, while FastAPI is perfect for high-performance asynchronous APIs. My experience includes combining Node.js, Python, Django, and FastAPI in production environments where performance and scalability are critical. As a Full Stack Developer and Node.js Developer, I focus on: ⚙️ Improving performance (LCP/TTI) by 2–3x 📊 Increasing conversions by 25–35% 🚀 Scaling apps to 100K+ users 🧠 Backend Development with Node.js, Python, Django & FastAPI As a Node.js Developer, Python Developer, Django Developer, and FastAPI Developer, I build APIs, backend systems, and scalable services. I use Node.js for real-time systems, event-driven architectures, and high-performance APIs. I also use Python, Django, and FastAPI to build structured backend platforms and high-speed microservices. In multiple projects, I combined Node.js with Python, Django, and FastAPI to create hybrid backend ecosystems. 🗄 Databases & Backend Architecture As a Full Stack Developer and Node.js Developer, I work with SQL, PostgreSQL, MySQL, and MongoDB to design scalable systems. I frequently integrate Node.js with PostgreSQL and MongoDB, and also use Python, Django, and FastAPI with relational databases for enterprise applications. I also use Supabase (PostgreSQL-based backend) alongside Node.js, Python, Django, and FastAPI. 🧠 Built systems using Node.js, Python, Django, and FastAPI 🔄 Designed APIs with Node.js and FastAPI 💸 Reduced backend costs with optimized Node.js services 🚀 Improved system performance using Node.js and Python 🎨 Frontend React & Next.js With 6+ years as a React Developer, React.js Developer, and Frontend React Developer, I build fast UI systems using React.js and Next.js (Nextjs). As a Full Stack Developer, I connect frontend applications with backend systems powered by Node.js, Python, Django, and FastAPI. 📱 React Native & Cross-Platform Apps As a React Native Developer, alongside my work as a Full Stack Developer and Node.js Developer, I build mobile applications connected to backend systems powered by Node.js, Python, Django, and FastAPI. 📱 10+ apps delivered 👥 100K+ users supported 💳 SaaS, Payments & Scalable Platforms Most backend logic in these systems is built with Node.js, while complex services often use Python, Django, and FastAPI. ⚙️ Additional Expertise 40+ projects as a Full Stack Developer and Full Stack React Developer Strong experience as a Node.js Developer, Python Developer, Django Developer, and FastAPI Developer Deep expertise in Node.js, Python, Django, and FastAPI backend systems Strong frontend skills with React.js and Next.js Experience with MongoDB, SQL, PostgreSQL, and MySQL Experience with Supabase and real-time systems AI integrations (OpenAI, ChatGPT) using Node.js and Python Built dashboards, PWAs, and SaaS platforms using Node.js, Django, and FastAPI 🤝 Why Work With Me Strong Full Stack Developer with deep backend expertise in Node.js, Python, Django, and FastAPI Experienced React Developer and Full Stack React Developer Skilled in building scalable backend systems using Node.js and Python Strong architecture thinking across frontend and backend If you’re looking for a Full Stack Developer, Node.js Developer, Python Developer, Django Developer, or FastAPI Developer with strong experience in React.js and Next.js — let’s connect. 👉 Click "Invite" or "Hire" and tell me about your project.