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I am a Full Stack Developer with more than 5 years of experience building SaaS platforms, AI-powered applications, and scalable web products for startups and growing businesses. Are you building an AI-powered SaaS that works as a demo but isn’t ready for real users? Is your SaaS or web application struggling with unreliable API integrations, weak authentication, security risks, or scalability issues? Or do you need a Full Stack Developer who can take your SaaS MVP from idea to production without waiting for detailed instructions? Most software problems aren’t feature problems. They’re architecture problems. And production readiness is everything. Some developers simply build features. As a Full Stack Developer, I help businesses build secure, scalable, production-ready SaaS and AI software that: ✅ combines modern frontend development, scalable backend architecture, databases, REST APIs, and AI integrations, ✅ turns early-stage prototypes, SaaS MVPs, and AI-generated code into reliable web applications and AI-powered SaaS products, 👉 so you can launch, onboard real customers, and grow without rebuilding everything later. Whether you need a Full Stack Developer for a new SaaS MVP, an AI Full Stack Developer to add AI features to an existing product, help hardening an AI-built codebase, multi-tenant SaaS architecture, or AI automation inside a live SaaS platform — my focus remains the same: to build clean, maintainable SaaS systems that solve the real business problem, handle real-world failures, and remain reliable as your users and data grow. As a Full Stack Developer, I commonly help with: ✅ Full Stack Web Application Development ✅ SaaS Development, SaaS Platforms & Multi-Tenant SaaS Architecture ✅ AI App Development, AI Agent Development & LLM Integration ✅ AI-Powered SaaS & AI Integration into Existing Products ✅ MVP Development & Prototype to Production ✅ Next.js, React & TypeScript Development ✅ Node.js, NestJS & Python Backend Development ✅ PostgreSQL, Supabase & Database Architecture ✅ REST API Development, API Integration & Third-Party Integrations ✅ OpenAI API, Anthropic Claude API, Tool Calling & Structured Outputs ✅ Authentication, Authorization, OAuth, RBAC & User Management ✅ Application Security, Secure API Boundaries & Data Isolation ✅ Stripe, Shopify, Flutterwave, Paystack & Payment Integrations ✅ Workflow Automation, Webhooks, Background Jobs & n8n ✅ Testing, Debugging, Performance Optimization & Error Handling ✅ Git, GitHub Actions, CI/CD, Docker & Cloud Deployment ✅ AWS, Google Cloud, Vercel, Railway & Cloudflare ✅ AI-Generated Code Review, Refactoring & Codebase Hardening Many businesses already have a working SaaS product or AI prototype. What they’re missing is a technical foundation that lets that product work securely and reliably for real customers. That’s where I help as a Full Stack Developer. As a Full Stack Developer, I work comfortably across frontend, backend, databases, APIs, cloud infrastructure, security, testing, and deployment. I can enter an unfamiliar SaaS codebase, identify what’s solid, uncover what’s risky, and prioritize what needs to be fixed first. As a Full Stack Developer, I also use AI coding tools such as Claude Code, Cursor, Codex, and GitHub Copilot to accelerate research, architecture, Full Stack Development, debugging, testing, and documentation — without treating AI-generated code as automatically production-ready. Clean code still matters. Security still matters. And SaaS software still needs to work when an access token expires, a webhook arrives twice, an API becomes rate-limited, or thousands of users begin using it. Whether you need a Full Stack Developer for SaaS Development, an AI Full Stack Developer for AI App Development, a SaaS Developer for multi-tenant platforms, or help to: 🔹 build a scalable backend, launch a full-stack SaaS MVP, integrate OpenAI or Claude AI into your SaaS product, secure a Supabase application, fix broken API integrations, or take an AI prototype to production 🔹 I’d be happy to learn more about your SaaS or AI product and discuss how I can help as your Full Stack Developer. Send me a message or invite me to your project. I look forward to hearing what you’re building :) 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Full Stack Developer | Full Stack SaaS Developer | SaaS Application Development | AI Full Stack Developer | SaaS Developer | Full Stack Developer | React Developer | Next.js Developer | Node.js Developer | NestJS Developer | Full Stack Developer | TypeScript Developer | Python Developer | Full Stack Developer | PostgreSQL | Supabase | REST API | API Developer | API Integration | API Development | Full Stack Developer | AI App Development | AI Agent Development | OpenAI | Claude | LLM Integration | Multi-Tenant SaaS | Backend Developer | Full Stack Developer | MVP Developer | AWS | Vercel | CI/CD | Docker | GraphQL | Application Security | Full Stack Developer | AI-Integrated Solutions

I build 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗿𝗲𝗮𝗱𝘆 Full-Stack web applications for 𝗦𝗮𝗮𝗦 𝘀𝘁𝗮𝗿𝘁𝘂𝗽𝘀, 𝗔𝗜 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀, 𝗮𝗻𝗱 𝗕𝟮𝗕 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀. With 𝟳+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲, I specialize in building 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀, 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗱𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱𝘀, 𝗮𝗻𝗱 𝗺𝗼𝗱𝗲𝗿𝗻 𝘄𝗲𝗯 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 using latest technologies and modern development practices. 🏆 𝗦𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹𝗹𝘆 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 𝟲𝟬+ projects 🏅 𝐓𝐎𝐏 𝐑𝐀𝐓𝐄𝐃 Full-Stack Developer 💯 𝟭𝟬𝟬% Job Success Score ✨ I leverage 𝗔𝗜 𝘁𝗼𝗼𝗹𝘀 like 𝗖𝗹𝗮𝘂𝗱𝗲 𝗖𝗼𝗱𝗲, 𝗖𝘂𝗿𝘀𝗼𝗿, and 𝘃𝟬 to deliver the velocity of a 3-person team without the overhead. 🌍 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀: SaaS | FinTech | EdTech | HealthTech | E-Commerce | Agriculture | Travel | Social Media 𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗 ✦ SaaS dashboards, B2B tools, CRM and real-time data-heavy web applications ✦ AI-powered applications with LLM integrations (OpenAI GPT, Claude API, Gemini, Perplexity) ✦ Multi-tenant SaaS platforms with auth, billing (Stripe), and role-based access control ✦ High-performance marketing sites and landing pages (Next.js + Tailwind) ✦ Figma-to-production React component libraries and design systems ✦ E-commerce frontends with complex state management and payment flows ✦ Admin panels, analytics views, and reporting interfaces ━━━━━━━━━━ 🎯 𝗠𝗬 𝗧𝗘𝗖𝗛 𝗦𝗧𝗔𝗖𝗞 ⚡ 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React · Next.js · Remix · Svelte · TypeScript · JavaScript (ES6+) · Vite · React Native ⚡ 𝗨𝗜/𝗦𝘁𝘆𝗹𝗶𝗻𝗴: Tailwind CSS · shadcn/ui · Radix UI · Framer Motion · Material UI · Ant Design · Mantine · Design System ⚡ 𝗦𝘁𝗮𝘁𝗲/𝗗𝗮𝘁𝗮: TanStack Query · Redux Toolkit · Zustand · SWR, React Router ⚡ 𝗖𝗠𝗦: Contentful · Sanity · Payload CMS · Strapi · Contentstack · WordPress ⚡ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js · Express.js · NestJS · GraphQL · REST APIs · Socket-IO · LoopBack · Strapi ⚡ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: PostgreSQL · MongoDB · Supabase · MySQL · Redis · DynamoDB · Firebase/Firestore ⚡ 𝗔𝗜/𝗟𝗟𝗠: OpenAI GPT · Claude API · Gemini · Perplexity · Replicate · AssemblyAI · DALL-E ⚡ 𝗖𝗹𝗼𝘂𝗱: AWS (EC2, Lambda, S3, RDS, Cognito, AppSync, ECS, Amplify, CloudFront) · Azure · DigitalOcean · GCP ⚡ 𝗗𝗲𝘃𝗢𝗽𝘀: Vercel · Docker · GitHub Actions · CI/CD · Netlify ⚡ 𝗧𝗲𝘀𝘁𝗶𝗻𝗴: Jest · Playwright · Vitest · Storybook · React Testing Library · Mocha ⚡ 𝗣𝗮𝘆𝗺𝗲𝗻𝘁𝘀: Stripe · PayPal · Braintree ✨ 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘 👉 AI-augmented workflow - I use Claude Code, Cursor, Windsurf, and v0 to compress timelines without sacrificing code quality 👉 I understand full-stack architecture - auth, billing, tenancy, and scale, not just the UI layer 👉 TypeScript-first, test-aware code that stays maintainable as your product scales 👉 Pixel-perfect Figma-to-production without back-and-forth revision cycles 👉 Senior ownership: architecture and delivery responsibility, not just individual tasks 👉 Agile & collaborative - experienced in Scrum, CI/CD, and async team coordination 👉 Clear, proactive communication - you'll always know exactly where the project stands 💼 𝗟𝗘𝗧'𝗦 𝗖𝗢𝗟𝗟𝗔𝗕𝗢𝗥𝗔𝗧𝗘 Building an AI-powered SaaS product, want to fix your lovable and supabase auth error, edge-functure integrating AI/LLM features into your existing app, launching a B2B tool, or starting fresh with a modern full-stack architecture? Just message me - I respond quickly. Kind Regards, Bami 😊 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Web Developer, Website, Web Application, Web-Based Applications, Web Development, Web App Development, Web Application Developer, TypeScript Developer, API Integration, API Development, REST API, GraphQL, Front-End Development, Back-End Development, Server-Side Development, Responsive Web Design, Startup Development, RESTful APIs, Interactive User Interfaces, User JavaScript Developer, Full-stack web development, Full Stack Developer, Full Stack Web Developer, MERN Stack Developer, Node.js developer, Node API development, Supabase, React.js developer, Next.js developer,Experience, Cross-Browser Compatibility, Mobile-First Development, Headless CMS Integration, Enterprise Solutions, Database Design, Database Development, Serverless, AWS, Stripe, Payment Integration, SaaS Developer, Dashboard Developer, Full Stack AI Developer, MVP Developer, AI Development, AI LLM Integration, AI Models, UI Development, Core Web Vitals, Web Performance, WCAG Accessibility, Vibe Coding, AI Integration, OpenAI API, LLM Integration, AI Chatbot Development, GPT API, Claude API, Gemini, shadcn/ui, TanStack Query, Design System, v0 by Vercel, SaaS Platforms, SaaS Startups, AI-Powered Applications, Real-Time Dashboards, B2B Tools, Claude Code, B2B SaaS, saas application developer, saas web developer

Your Lovable or Base44 build works in the demo and breaks with real users. Closing that gap is what I do. I am a full-stack AI developer. I rescue broken AI-generated codebases, ship the last 20 percent that stands between a prototype and a launch, and migrate no-code builds onto infrastructure you actually own. WHAT I DO ✅ Build AI SaaS MVPs from scratch with Lovable, Base44, Replit and Claude Code ✅ Fix broken AI-generated apps: auth loops, failing RLS, race conditions, dead edge functions ✅ Migrate Lovable and Base44 projects to Next.js, WordPress or your own cloud with zero data loss ✅ Architect Supabase backends: Postgres schema design, row level security, edge functions, pgvector ✅ Build RAG pipelines and multi-agent workflows on the Claude and OpenAI APIs ✅ Integrate Stripe subscriptions and checkout ✅ Automate operations with n8n, Make, Zapier and custom webhooks MY STACK Frontend: React, Next.js, TypeScript, Tailwind Backend: Supabase, PostgreSQL, Node.js, WordPress, AWS AI: Claude API, Claude Code, OpenAI, RAG, multi-agent systems Automation: n8n, Make, Zapier Payments: Stripe, plus crypto rails (Binance Checkout, TRC-20) when a project calls for it WHO I WORK BEST WITH ▪ Founders launching a first AI MVP who need it built to survive real traffic ▪ Teams stuck with a Lovable, Base44 or Replit build that stalled at 80 percent ▪ SaaS companies moving from prototype to production ▪ Agencies who need a dependable AI developer for overflow work ▪ Non-technical founders who want a partner, not just a pair of hands COMMON QUESTIONS Q: Can you fix a Lovable or Base44 app someone else broke? A: Yes, this is the work I do most. I audit the codebase, find where the generated logic breaks down, stabilise the backend, and get it launch ready. Q: How fast can you build an MVP? A: Most go live in two to four weeks depending on scope. I scope in writing before we start so there are no surprises. Q: Can you move my app off Lovable or Base44? A: Yes. I run zero-data-loss migrations to Next.js, WordPress or your own cloud, including auth and stored files. Q: Do you work with Claude Code projects? A: Yes. I build with Claude Code daily and can take over, debug or extend any Claude Code project. Q: Do you build for non-technical founders? A: Most of my clients are founders rather than developers. You bring the product thinking, I handle the engineering. Q: What happens after launch? A: I do not disappear at handover. Post-launch support is included, and I document what I built so another developer could pick it up. HOW TO START Message me with what you are building, what stage you are at, and what is currently blocking you. You will get a reply within a few hours with a clear plan, a timeline and a fixed scope.

A client's application was wiping financial records on every deployment. I migrated their production database to PostgreSQL with zero downtime and zero data loss. Whether it's rescuing an existing application or building a SaaS platform from scratch, I build production-ready software that is secure, scalable, and designed to grow with your business. I'm a Senior Node.js Backend Developer and Full Stack Developer with 4+ years of experience building scalable applications across FinTech, Healthcare, EdTech, AI, and real-time platforms. I specialize in Node.js, NestJS, Express.js, TypeScript, REST API Development, API Integration, Backend Architecture, and SaaS Development. My focus is building backend systems that remain fast, secure, and maintainable as your product grows. From designing databases and building REST APIs to integrating third-party services and deploying production infrastructure, I help startups and businesses ship software that lasts. While backend engineering is my specialty, I also build complete full-stack applications using React, Next.js, and TypeScript, allowing me to deliver entire products instead of isolated backend services. Nearly every client I've worked with has hired me again for additional phases or long-term development. I don't just write code—I help founders make technical decisions, improve system architecture, optimize performance, and build software that's easy to maintain. ⭐ Client Feedback "One of the most complete and professional engagements I've experienced on Upwork." "He doesn't just build what you ask—he builds what you're actually trying to create." "A developer you can trust with your product." What I Can Help You Build • Node.js Backend Development • Backend Engineering & Backend Architecture • NestJS & Express.js Applications • REST API Development & API Design • API Integration & Third-Party Services • PostgreSQL, MongoDB & Database Design • Database Optimization & Zero-Downtime Migrations • Authentication (JWT, OAuth 2.0, RBAC) • Stripe, OpenAI & Webhook Integrations • Microservices & Event-Driven Architecture • Background Jobs & Queue Processing • AWS, Docker, CI/CD & Cloud Deployment • Performance Optimization & Scalable Backend Systems • AI Integration using OpenAI & LangChain • React & Next.js Full Stack Development Selected Projects 🎵 Omni-Bingo SaaS Platform Built a production SaaS platform using Node.js, PostgreSQL, React, Stripe, secure REST APIs, webhooks, real-time game mechanics, and an admin dashboard. Delivered ahead of schedule across multiple project phases. ☁ Zero-Downtime Database Migration Migrated production databases from MongoDB to PostgreSQL and MySQL to PostgreSQL with zero downtime, zero data loss, and no interruption to live users. 🔍 AI Data Intelligence Platform Built a scalable Node.js backend using TypeScript, PostgreSQL, API integrations, AI processing, and automated data enrichment pipelines that generate structured business intelligence reports. 📡 Real-Time Applications Developed WebSocket and SocketIO applications for live messaging and multiplayer experiences, then migrated production infrastructure from Replit to Railway without downtime. 🏥 Healthcare Platform Built secure backend services processing 1,000+ patient records daily using Node.js, PostgreSQL, authentication, role-based access control, and compliance-focused data handling. If you're looking for a Node.js Backend Developer, NestJS Developer, Backend Engineer, or Full Stack Developer who can build scalable REST APIs, architect backend systems, integrate third-party APIs, optimize PostgreSQL databases, develop React and Next.js applications, and take your SaaS product from idea to production, let's build something great together.

Rising Talent | B.Tech Computer Engineering | 4+ Years | 20+ Projects Delivered Tired of developers who disappear after handing over code that breaks the moment real users show up? Most developers write code. Few think about what happens after deployment, when traffic grows, edge cases appear, and the system has to hold. I build full-stack web and mobile applications designed to survive that moment. I have helped businesses stop losing customers to slow, inconsistent service. Helped real estate agencies replace manual workflows with platforms their users actually want to use. Helped teams get real-time visibility into operations that were previously invisible to them. From idea to deployed product, you get one developer who owns the whole stack, frontend, backend, mobile, and infrastructure, without the cost and friction of coordinating multiple freelancers. That means faster delivery, cleaner architecture, and a codebase you won't need to rebuild in six months. TECH STACK Frontend: React, Next.js, TypeScript, Tailwind CSS, shadcn/ui, Redux, Zustand, Framer Motion Backend: Node.js, Express.js, NestJS, FastAPI, Django, REST APIs, GraphQL, WebSockets, JWT, RBAC, LangChain, LangGraph Mobile: Flutter, Dart, iOS, Android, Cross-Platform Development Database: PostgreSQL, MongoDB, MySQL, Firebase, Supabase, Redis, ChromaDB Infrastructure: Docker, AWS, GCP, CI/CD, GitHub Actions, Nginx, Kubernetes, Vercel Payments and Auth: Stripe, Paystack, Monnify, OAuth2, JWT INDUSTRIES SaaS, Real Estate, FinTech, HealthTech, EdTech, eCommerce, B2B Platforms WHY WORK WITH ME Production-First: infrastructure and architecture decisions are made at the start, not bolted on when things break Scalable by Design: right-sized systems built to grow, no over-engineering, no over-budgeting Async and Milestone-Based: clear deliverables and structured progress, you always know where things stand Engineering Foundation: B.Tech in Computer Engineering, strong fundamentals behind every technical decision Have a project in mind? Send me a message and I will come back with honest thoughts on scope, timeline, and fit, usually within hours. Keywords: Full Stack Developer, Full-Stack Developer, Fullstack Developer, Senior Full Stack Developer, Full Stack Web Developer, Full Stack Engineer, Full Stack Web App, TypeScript Developer, TypeScript React, React TypeScript, TypeScript Node, Node TypeScript, TypeScript Next.js, Next.js TypeScript, TypeScript Backend, TypeScript Frontend, TypeScript Full Stack, Python Developer, Python Backend, Python Full Stack Developer, Python Web Developer, FastAPI Developer, Python FastAPI, Django Developer, Python Django, Flask, Python Flask, Celery, Pydantic, Async Python, Flutter Developer, Flutter App, Flutter Stack, Flutter iOS, Flutter Android, Flutter Mobile, Flutter Dart, Flutter Cross-Platform, Cross-Platform Developer, Cross-Platform App, Cross-Platform App Development, Mobile App Developer, iOS Developer, iOS App Development, iOS Development, Android Developer, Android App Development, Android App, Swift, Kotlin, Dart Developer, Dart, React Developer, React.js, ReactJS, Reactjs, React.js Developer, React Frontend, Frontend React, React Node, React Node.js, React Web Developer, React TypeScript, React Component, React Hooks, Next.js Developer, Nextjs, NextJS, Next JS, Nextjs TypeScript, Next.js App Router, Next.js SSR, Next.js SEO, Figma to Next.js, Figma to Nextjs, Node.js Developer, Nodejs, NodeJS, Node JS, Node.js Backend, Backend Node.js, Backend Nodejs, Backend Developer, Backend Engineer, Express Developer, Express.js, NestJS Developer, Frontend Developer, Frontend Engineer, Front-End Developer, Front End Developer, Frontend Development, API Integration, Real-Time Systems, Real-Time App, Authentication, User Authentication, Role-Based Access Control, RBAC, Multi-tenant Architecture, Multi-tenant SaaS, Relational Database, Database Design, Database Optimization, MySQL, Firebase, Supabase, Redis, Cloud Deployment, Cloud Development, Server-Side Rendering, SSR, SEO-Friendly, Tailwind CSS, shadcn/ui, Radix UI, Framer Motion, Zustand, Redux, Figma, Responsive Design, Mobile-First Design, Data Visualization, Admin Dashboard, Admin Panel, Dashboard, Payment Integration, Stripe, Subscription System, Billing System, Web Development, Web Application Development, SaaS Developer, SaaS MVP, MVP Development, Software Development, Software Engineer, Scalable Architecture, Clean Architecture, Bug Fix, Debugging, Performance Optimization, System Architecture, Unit Testing, Integration Testing, Pytest, Microservices, Production-Ready Applications, MERN Stack, Google Playstore, Google Console, Load Balancer, Reverse Proxy, Cache, SPA, CSR, Telegram, Whatsapp, Whatsapp bot, Telegram bot,

I build backend systems with the same care I'd want if I were the client trusting them with real data - access control that actually holds, payment flows that don't lose track of state, and databases that don't quietly rot under the first edge case. TECHNICAL SKILLS Languages & Frameworks: TypeScript, JavaScript (ES6+), Node.js, Express, NestJS Databases: PostgreSQL, Drizzle ORM, Supabase, Row-Level Security Architecture & Practices: REST API design, JWT & token-based authentication, multi-tenant SaaS architecture, database normalization, ACID transactions, error handling systems, dependency injection Tools: Git, Docker, Railway, Sentry, Vitest, Bruno, Stripe Connect If you need someone to design an API from a blank page, solve complex problem, or clean up a database schema that's grown past what it was designed for, that's the kind of problem I actually enjoy. I write clean, tested code, communicate clearly and asynchronously (four years of freelance client work before this), and I'm not going to disappear mid-sprint. I'm currently priced to build trust, not to maximize the first invoice; happy to start with a smaller, scoped piece of work so you can see how I think before committing to something bigger.