Hello, I am an experienced Full-Stack Developer with over 12 years in the software industry. Throughout my career, I have contributed to projects across a diverse range of industries, including E-commerce, Wellness & Fitness, EdTech, Social Media, Hospitality, Retail, Fintech, Media & Entertainment, and Refineries, among others. Here’s a brief overview of my expertise: 🔹 Backend Development: Java, Spring Boot, JPA, Spring Security, Batch Processing, REST APIs, Microservices Architecture. 🔹 Frontend Development: HTML5, CSS3, JavaScript, Angular, React.js. 🔹 Databases: PostgreSQL, MySQL, Derby, MongoDB, DynamoDB. 🔹 AWS & Cloud Services: EC2, VPC, RDS, S3, Elastic Beanstalk, Cognito, SES, CloudFormation, ECS, ELB. 🔹 Virtualization & DevOps: Docker, Docker Compose, CI/CD Pipelines, Jenkins, CircleCI, CodePipeline, Codemagic. 🔹 AI/ML & Intelligent Systems: - Generative AI Integration - OpenAI APIs / LLM Integration - AI Chatbot Development - Machine Learning Model Integration - Prompt Engineering - AI-powered Automation Solutions - NLP (Natural Language Processing) - Python for AI/ML Workflows 🔹 Development Practices: Agile Methodologies, System Design, Scalable Architecture, Performance Optimization, Secure Application Development. 📱 Full Stack Developer 🌐 Backend Developer 💻 Frontend Developer ✅ On Time Delivery ✅ Quick Response ✅ Always Online ✅ Quality Work ✅ Client Satisfaction I have had the privilege of working on a variety of solutions and am comfortable handling both existing and new projects. I have had the opportunity to assist numerous clients in achieving their business goals, and I would be delighted to support you in the same way. Thank you for taking the time to visit my profile. Feel free to reach out—whether you’d like to discuss a project, share ideas, or simply connect. I would be delighted to collaborate and explore how I can support your initiatives. Feel free to 𝗗𝗠 𝗺𝗲 𝗼𝗿 𝗶𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 to your project on Upwork.

𝗧𝗼𝗽-𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 – 𝗔𝗺𝗼𝗻𝗴 𝘁𝗵𝗲 𝗧𝗼𝗽 𝟯% 𝗼𝗳 𝗨𝗽𝘄𝗼𝗿𝗸 𝗧𝗮𝗹𝗲𝗻𝘁 Full-Stack Software Developer with 14+ years of experience building scalable SaaS/MVP platforms, AI-powered applications, and enterprise web systems. I help startups and growing companies design, build, and scale modern web platforms using React, Next.js, Node.js, and cloud infrastructure. My focus is delivering production-ready systems that are fast, secure, and built to scale. I’ve worked on Upwork in-house projects and delivered solutions for Upwork Enterprise clients, building 100+ applications from MVP to large-scale platforms used by thousands of users. 𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱 𝗠𝗼𝘀𝘁 𝗢𝗳𝘁𝗲𝗻 • SaaS/ERP platforms and startup MVPs • Multi-tenant SaaS architecture • AI-powered applications, AI Agents & LLM integrations • Scalable backend APIs and microservices • API-first platforms & third-party integrations • High-performance React / Next.js frontends • CRM systems and business dashboards • Cloud-native and serverless applications 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: Frontend : React.js, Next.js, Angular.js, TypeScript, JavaScript (ES6+), Tailwind CSS, Material UI, Redux, Zustand, Responsive UI, React Native Backend : Node.js, Express.js, NestJS, .NET Core, ASP.NET MVC, Python APIs, REST APIs, GraphQL, Authentication, Webhooks, Payment Integrations AI & Automation : OpenAI APIs, LLM Integrations, AI Workflows, AI SaaS Platforms, Cloude, ChatGPT, Cursor, Antigravity Cloud & DevOps : AWS (Lambda, EC2, S3), Azure, Docker, CI/CD Pipelines, Cloud Architecture, Performance Optimization, Vercel Databases : PostgreSQL, MongoDB, MySQL, Supabase, FireBase 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 • SaaS Platforms & AI Products • FinTech & Business Automation Systems • Healthcare/Real Estate ERP Systems • E-commerce Platforms & Marketplaces • Enterprise & Manufacturing Software If you're building a SaaS product, scaling an existing platform, or integrating AI into your application, I'd be happy to discuss your project. 𝗟𝗲𝘁’𝘀 𝗰𝗼𝗻𝗻𝗲𝗰𝘁 𝘁𝗼 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝗵𝗼𝘄 𝘄𝗲 𝗰𝗮𝗻 𝗯𝘂𝗶𝗹𝗱 𝗼𝗿 𝘀𝗰𝗮𝗹𝗲 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 𝗲𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝘁𝗹𝘆. Clients Know Me As 😉 Full Stack Developer, React.js Developer, Next.js Developer, Node.js Developer, MERN Stack Developer, .NET developer, SaaS Developer, CRM Developer, AI Developer, OpenAI Developer, ChatGPT Developer, AI Automation Expert, TypeScript Developer, PostgreSQL Developer, AWS Developer, Enterprise Software Engineer, Expert-Vetted, Top Rated Plus, $500K+ Earned on Upwork, Angular

I've built products that exited for $65M, scaled past 10 million daily users, and helped founders raise $50M in funding starting from nothing but an idea and a whiteboard. I'm a certified AI/ML and AWS fullstack developer with over 9 years of experience across frontend, backend, AI, and mobile. I've spent that time in the messy middle of real products, not tutorials or side projects. Some of what I've shipped and scaled: - Kalpa, which exited for $65M - InstantlyAI, now doing $20M in annual recurring revenue - Box, valued at $4.74B - PermissionAI, which raised $15M - STADS, used by FIFA teams - Schoolmaker, with 450K+ learners - Edaider, Sweden's top EdTech platform - A Shopify storefront handling 2M+ users and £21M+ in sales - A database with 200M+ records across 200+ tables - A monolith broken down into 50+ microservices without downtime My goal is simple: build clean, scalable systems that won’t fall apart when users, data, or revenue grow. 🔥Delivered 50+ production-grade systems across AI, SaaS, automations, and browser extensions 🔥Partnered with non-technical founders to architect and build SaaS MVPs from scratch 🔥Helped multiple founders launch revenue-generating MVPs in under 8–12 weeks 🔥Programmatic technical SEO for web & SPA 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗸𝗶𝗹𝗹𝘀 𝗜 𝗯𝗿𝗶𝗻𝗴 🔹Frontend: JavaScript (ES6, ES7, Typescript), Next.js, React, Vue, TailwindCSS, ShadCN, Chakra, Svelte 🔹Backend: Node.js (Express, Fastify, NestJS), Python (Django/FastAPI), Ruby on Rails, REST, GraphQL, gRPC, WebSockets, Server-Sent Events, JWT, OAuth2, Role-based auth 🔹Mobile Apps: React Native & Flutter 🔹Databases: PostgreSQL, MySQL. MongoDB, Firestore, Redis, DynamoDB, Supabase, Prisma, Drizzle, TypeORM 🔹Cloud & DevOps: AWS (Lambda, EC2, S3, CloudFront), Azure (Functions, Cosmos, Blob Storage), GCP, Vercel, Digital Ocean, Netlify, Render, Cloudflare (Workers, KV, R2), Docker + container orchestration, Cloudflare Workers + KV, CI/CD (GitHub Actions, GitLab, Bitbucket) 🔹AI/ML/NLP/LLM: OpenAI (GPT-4, GPT-4o, GPT-5, Assistants API), Anthropic Claude, Gemini, Groq, Llama, Weaviate / Pinecone / Chroma DB, RAG pipelines, embeddings, vector stores, LangChain, LangGraph, CrewAI, Fine-tuning, prompt engineering, AI-powered agents & automation 🔹Automation: Zapier, Make, n8n, Retool, Puppeteer, Playwright, Selenium, Scrapy, BeautifulSoup, API monitoring, bots, schedulers 🔹Low-Code & No-Code Development: Bubble, FlutterFlow, Webflow, Bolt, Lovable 🔹AI-Driven Coding / Copilot Tools: GitHub Copilot / Copilot X, OpenAI Codex, Claude / Claude Code 🔹eCommerce: Custom themes & apps, Shopify Hydrogen / Liquid, Stripe, PayPal, Paddle, LemonSqueezy, Subscription events, usage billing 🚀 How I Work ✔ Professional communication with clear milestones ✔ Clean, scalable, well-documented code ✔ Product-focused thinking to provide real-world results ✔ Fast MVP delivery without compromising structure ✔ AI-first mindset where automation adds measurable value ✔ Full responsibility from architecture to launch Send a message and let’s discuss your project goals! Keywords: Fullstack Development, Frontend, Backend, AI/ML, Chatbots, Chrome Extensions, Web Apps, Mobile Apps, AI App Development, AI Agents, Penetration testing, Low-code/no-code development, Workflow Automations, SAAS MVPs.

✅ High-Quality Delivery | ✅ Long-Term Collaboration | ✅ 9500+ Hours Completed Hi, I’m a Full-Stack Developer focused on building scalable web applications, SaaS platforms, and AI-driven systems. I help turn ideas into production-ready products — combining strong engineering fundamentals with modern AI tools to deliver fast, reliable, and high-quality solutions. ⸻ 💻 Tech Expertise Frontend • React, Next.js, TypeScript • Redux, GraphQL • Tailwind, Bootstrap, Material UI Backend • Node.js, Nest.js, Express • REST APIs, WebSockets Databases • PostgreSQL, MongoDB, MySQL • Redis (caching, queues) • Firebase • Scalable data design and query optimization Cloud & DevOps • Azure (App Services, Azure SQL) • AWS (S3, EC2, DynamoDB) • Vercel, CI/CD (GitHub Actions) • Docker, deployment management Python & AI • Python (FastAPI, automation, scripting) • LLM integrations and AI agents • Prompt engineering and workflow automation • RAG pipelines, embeddings, vector databases Integrations • Payment systems, messaging services, maps APIs • AI-powered features and automation • Email services and notifications ⸻ ⚡ What I Do Best • Build full-stack SaaS applications • Develop AI-powered features and automation systems • Design scalable backend architectures • Implement real-time systems (chat, notifications, dashboards) • Optimize performance and database efficiency • Deploy and manage applications on cloud platforms • Integrate third-party APIs and services ⸻ 🌍 Industry Experience Finance • Healthcare • E-commerce • Logistics • Education • Public Safety • and more ⸻ 💡 Proof of Work • Built and deployed scalable applications handling real-time data and production workloads • Delivered end-to-end systems used in live business environments • Maintained long-term client relationships with consistent delivery ⸻ 💡 Why Work With Me • Clean, maintainable, production-grade code • Strong experience with AI-assisted development workflows • Fast execution without compromising quality • Clear communication and long-term reliability ⸻ If you’re looking for someone who can build, scale, and deploy modern applications, let’s connect.

I am a Full Stack Web & Mobile App Developer with expertise in Web Development, iOS & Android App Development (Top 3%), maintaining 100% Client Satisfaction on Upwork and successfully delivering hundreds of projects across industries. I am a Top-Rated Plus Mobile App Developer specializing in Flutter, React Native, iOS (Swift), Android (Kotlin) and Full-Stack Application Development. I build AI-powered mobile apps, real-time video streaming platforms, SaaS products, MVPs and on-demand service applications with scalable backend architectures using Node.js, NestJS, Laravel and Firebase. I have had the opportunity to work with numerous startups, scale-ups and enterprises, helping them design, develop, launch and scale high-performance mobile and web applications that work flawlessly across devices. ✅ I Can Help You With: - Mobile App Development with Web Admin Panel - MVP Development & SaaS Application Development - API Development & Third-Party Integrations - Node.js / NestJS Backend for Mobile & Web Apps - Laravel / PHP Backend Development - Firebase Integration (Auth, Firestore, Cloud Functions) - Payment Gateway Integration (Stripe, Razorpay, PayPal) - Real-Time Chat, Notifications & WebSocket Integration 💡 Having Expertise In: - AI-Powered Mobile Applications - Real-Time Video Streaming Apps - Live Streaming & Video Sharing Platforms - E-Learning & EdTech Applications - E-Commerce & Marketplace Apps - On-Demand Service Apps (Taxi, Food, Delivery, Booking) - Chat & Social Networking Apps - SaaS & Subscription-Based Platforms - Gamified Mobile Applications - AR/VR Mobile App Development - IoT & BLE-Based Mobile Applications 🎯Key Milestones: 🚀 Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 🏆 by Upwork (𝗧𝗼𝗽 𝟯%) 🚀 7000+ personal hours on Upwork and still counting 🚀 100000+ agency hours on Upwork and still counting 🚀 100% Job Success (Client Satisfaction Ratio) 🚀 500+ jobs completed successfully as an Agency 🎯 Checkout my portfolio of apps on Upwork: Over the past decade, I have honed my skills in developing a diverse array of iPhone and Android applications Development ✅ Health and Fitness Apps ✅ GPS/ Geo Location Apps ✅ Trade Apps ✅ Homeowner/Contractor App ✅ Artificial Intelligence based Apps ✅ Bluetooth / BLE Integration Apps ✅ Food Delivery Apps ✅ Nutrition Planning Apps ✅ Restaurant Search Apps ✅ Salon Booking Apps ✅ Gym Booking Apps ✅ Taxi Apps ✅ AI Powered Apps ✅ E-commerce Apps ✅ Dating and TikTok Style Apps ✅ Video Streaming, Voice Calling, Chat and Messaging Apps ✅ Real Estate Apps ✅ Driver Instructor Finding Application ✅ Hotel and Travel Booking Apps ✅ E-Learning Mobile Application ✅ Wellness & Meditation Application ✅ NDI's Industry Applications 🎯 Areas of Expertise ◉ Mobile App Development: Swift, Objective C, Kotlin, Java, Jetpack ◉ Cross-Platform App Development: Flutter (Dart), React Native ◉ Backend Development: Node JS, Nest JS, Laravel, PHP, Express ◉ Frontend Development: React JS, Next JS, Angular, HTML5, CSS3 ◉ API Development & Integrations: REST APIs, AWS Lambda, API Gateway ◉ Databases & Cloud Storage: MySQL, MongoDB, Firebase, DynamoDB ◉ Real-Time App Features: Socket IO, Firebase Real Time Database, Twilio ◉ Payment Gateway Integration: Stripe, Razorpay, PayPal, Braintree ◉ Maps & Location Services: Google Maps, Apple Map Kit, GPS Tracking ◉ Version Control & Collaboration: GitHub, Bitbucket, GitLab I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality. Additional Services that i am offering: - 6 Months Free Maintenance once the apps goes live on apple store and Google play store - Ownership/iP rights from the day one uploaded on the Client Github - Regular Updates & Scrum meetings. - Following Agile Scrum Methodology from day one - Strictly adhering to the Apple Guidelines and Google Guidelines. - Taking Complete responsibility of Deployment on both Apple store and Google Play store. I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality. I work with tools like Bubble, FlutterFlow, Webflow and integrate powerful AI solutions using Claude, GPT and OpenAI APIs to build smart, automated systems. 🔹 What I Do - Full Stack Web & Mobile App Development - No-Code / Low-Code Development (Bubble, FlutterFlow, Webflow) - AI App Development & Integration (Claude AI, GPT-4/5, OpenAI API, Chatbots, Automation) - SaaS Application Development (Subscription Models, Multi-Tenant Systems) - API Integration (Payment gateways, third-party services) - Dashboard & Admin Panel Development - Workflow Automation (Zapier, Make, AI Automation Systems)) - UI/UX Design (Figma) 👉 Let’s start with a FREE 15–30 minute consultation to discuss your project and define the best approach. Contact us today to discuss your project requirements.

🎯 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 .𝐍𝐞𝐭 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 |.𝐍𝐞𝐭 𝐂𝐨𝐫𝐞 | |𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞 |𝐍𝐨𝐝𝐞 𝐄𝐱𝐩𝐞𝐫𝐭🎯 ✅ Top-Rated on Upwork ✅ Software Development Expert ✅ 5+ years of experience in the industry ✅ Available Now 🌟 I’m a passionate .NET Developer with over 5+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞, 𝐬𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐢𝐧𝐠 𝐢𝐧 .𝐍𝐄𝐓 𝐂#, 𝐗𝐚𝐦𝐚𝐫𝐢𝐧/𝐌𝐀𝐔𝐈, 𝐀𝐒𝐏.𝐍𝐄𝐓 𝐂𝐨𝐫𝐞, 𝐚𝐧𝐝 𝐟𝐮𝐥𝐥-𝐬𝐭𝐚𝐜𝐤 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬. With a deep understanding of the .NET ecosystem, I create applications that go beyond code – I craft seamless, high-performance digital experiences that deliver real value. ✅ 𝐌𝐲 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐢𝐞𝐬 𝐈𝐧𝐜𝐥𝐮𝐝𝐞: ⭐ C#, .Net, .NET Framework, .Net Core, ASP.Net, ASP.net Core, ASP.NET MVC, ASP.NET Web Forms, MVC with Razor Views, VB.NET ⭐ Node.js, Python, Express.js, Nest.js, Entity Framework, Entity Framework Core ⭐ WebForms, WinForms, WCF, WPF ⭐ React, React Native, Angular.js, Angular, 6,7,8,9,10, 12, 14 ⭐ Javascript, TypeScript, jQuery, HTML5, CSS3, SaaS, Tailwind CSS, Bootstrap ⭐ Figma, Sketch, Adobe XD, Photoshop, Illustrator ⭐Azure Services, Azure DevOps Services, Azure Pipelines, Active Directory, etc ⭐ GraphQL, SQL, MongoDB Query Language (MQL), React Query, Twilio ⭐ MySQL, MongoDB, PostgreSQL, Firebase, Supabase, Microsoft SQL Server, Dynamo DB ⭐ Web Scraping, Data Scraping ⭐ Seamless API Integrations ⭐ Streamlined Admin Panel Integrations 🌟 𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: ➤ Google API's integration including Google Authentication using oAuth 2. ➤ Stripe, AWSSDK, PayPal, Azure, Strava, OpenAPIs ➤ ElasticSearch, Redis, BluePay, Stripe, DropBox, Google APIs, etc 🌟 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗢𝗳𝗳𝗲𝗿: ✅FullStack Web Development ✅Responsive Web Design ✅Custom Web Application Development ✅API Development and Integration ✅Database Management ✅Deployment and Optimization 🌟 This list highlights my core expertise, but I’m open to exploring other technologies and services to meet your needs. I'm available for consultations and remote contracting opportunities. Feel free to reach out to discuss your project—I'd be happy to help. Thank you for considering my profile!

I’m a Senior Full Stack Developer with 10+ years of experience building scalable SaaS platforms, AI-enabled systems, and cross-platform desktop applications. I specialize in taking products from idea → MVP → production, with strong ownership of architecture, performance, and clean code. ✅ Frontend React.js Next.js (App Router, SSR/ISR) Angular TypeScript Tailwind CSS ✅ Backend Node.js (Express / Fastify / NestJS) Python (FastAPI / Django) REST APIs OAuth / JWT / RBAC Stripe integrations ✅ Desktop Development Electron (Windows & macOS) Cross-platform packaging OS integrations Auto-update systems ✅ AI / LLM Work OpenAI API integration AI SaaS platforms Resume tailoring systems Agentic workflows Prompt orchestration AI-assisted automation ✅ Database & Infra PostgreSQL Supabase MongoDB CI/CD Cloud deployments (AWS / Vercel)

🏆Top Rated Plus Profile 🎯100% Job Success Score 💎11+ Years of Experience in Web Development 💥41+ Jobs Completed On Upwork ⌚4000+ Hours 💰100K+ Earnings 💪Strong SaaS & AI Portfolio I build scalable, production-ready SaaS platforms with AI at the core. Not just prototypes, but systems that handle real users, real data, and real scale. From multi-tenant architectures with RLS to AI-powered workflows, payments, and real-time dashboards, I focus on clean execution that continues to perform as you grow. With 11+ years of experience, Top Rated Plus status on Upwork, and a 100% Job Success score, I approach every project with product thinking and strong engineering discipline. 🚀 What I Do Best • AI-powered SaaS platforms using OpenAI and LLM workflows • Multi-tenant architecture with Supabase, including RLS, auth, and secure data isolation • Full-stack development with Next.js App Router, React, and Node.js • Scalable backend systems using PostgreSQL, APIs, and async workflows • Subscription systems and payments using Stripe and Razorpay • Real-time systems, dashboards, and analytics I focus on building systems that remain stable and scalable as your product grows. 🏅 Real Projects I’ve Built ➡️ AI Legal Document Platform A complete AI SaaS platform for legal teams to upload, analyze, and manage large documents. • Multi-tenant architecture with strict RLS • OpenAI-powered insights and summaries • Background processing pipelines using Inngest • CRM integration with Clio and payment systems • Real-time collaboration ➡️ AI Creator Tools Platform Real-time system to analyze and classify YouTube comments using AI. • Async pipelines for large datasets • Live dashboard updates • Cost-optimized OpenAI usage • Secure multi-user collaboration ➡️ Multi-Currency Property Platform Global property platform with real-time currency conversion and reporting. • Live forex integration with rate locking • High-performance backend for global users • Advanced filtering and reporting ➡️ FileXTool A large-scale platform for file conversion and productivity tools. • Multiple API integrations • Complex frontend state handling • Fully component-based Next.js UI ➡️ Real Time Streaming Platforms • Real-time chat and video integrations • Per-minute billing logic • Admin dashboards and analytics • Performance optimization ➡️ AI SaaS Chatbot Platform • Pixel-perfect Next.js frontend • Role-based access and multi-tenant UI logic • Multi-provider authentication • Subscription and usage systems 🏅 Technology I'm working on- ➡️ AI/ML - ChatGPT, GPT3/3.5/4, OpenAI API, LLMs, NLP, ➡️ Databases - PostgreSQL, MongoDB, MySQL, Amazon DynamoDB, Supabase, Firebase ➡️ Others - Celery, Docker, GitFlow, CI/CD, Solid & Dry Principle, AGILE Work Flow - SCRUM ➡️ APIs - Rest API, FastAPI, JWT, GraphQL ➡️ Cloud Services - Amazon Web Services (AWS), MS Azure, GCP, DigitalOcean ➡️ Frontend: Next.js 14, React, Tailwind CSS, Material UI ➡️ Backend: Supabase (PostgreSQL, serverless), Node JS, Nest JS, API-first architectures 👉 MY PRINCIPLE: ⭐ I can use any Task Management Software the Client prefers ⭐ Ready to work for 40+ Hours Per Week. ⭐ Daily Update on your Project. ⭐ Meeting Deadline Efficiently 👉What I Offer ⭐ End-to-end AI SaaS development and integration ⭐ Secure multi-tenant system design with RLS and enterprise-grade authentication ⭐ Scalable Next.js and Supabase-based solutions for both frontend and backend ⭐ Real-time collaboration and AI-powered data extraction ⭐ Rich reporting, insights, and chatbot interfaces ⭐ Agile, transparent development—daily updates, clear deadlines, flexible task management 💡 How I Work • I think in products, not just tasks • I design for scalability from day one • I use AI tools to move fast while maintaining quality • I communicate clearly and deliver consistently 🤝 What You Get • End-to-end ownership, including frontend, backend, and deployment • Secure and scalable SaaS architecture • Clean and maintainable code • Fast execution with real-world reliability • Long-term collaboration mindset If you are building something serious and want it done right the first time, let’s connect. I’m ready to help you build, scale, and launch faster. Regards, Chetan B.

$1M+ earned on Upwork, placing me among a very small percentage of freelancers on the platform. 👋 I'm a veteran full stack developer, full stack javascript developer, React Developer, Node Developer, and web developer with 25+ years of experience building scalable, high-performance web applications, SaaS platforms, automation systems, and enterprise-grade JavaScript solutions using Node.js, React, React.js, Vue.js, Angular, NestJS, Next.js, and TypeScript. As a senior react developer, react.js developer, node developer, node.js developer, backend developer, and javascript developer, I specialize in architecting modern frontend and backend ecosystems - from blazing-fast UI systems and real-time dashboards to scalable APIs, browser automation, cloud-native infrastructure, and AI-powered workflows. Over the years, I’ve successfully delivered 700+ projects across SaaS, eCommerce, Fintech, Web-to-Print, EdTech, Healthcare, CRM, AI automation, marketplaces, enterprise platforms, analytics systems, and business automation products. Whether you need a react.js developer for a complex SPA, a node.js developer for scalable APIs, a full stack developer for an end-to-end SaaS platform, a react native integration expert, or a web developer to modernize legacy systems - I build production-ready solutions designed for scalability, maintainability, and performance. 🏆 Why Clients Work With Me ✔️ 25+ years as a full stack developer, javascript developer & web developer ✔️ 700+ full stack JavaScript, React, Node.js & web development projects delivered ✔️ Expert react developer, react.js developer, node developer & backend developer ✔️ Built scalable systems handling 10M+ API requests/month ✔️ 30+ high-performance apps scoring 90–100 on Lighthouse audits ✔️ Extensive experience with SaaS, CRM systems, AI integrations & automation ✔️ Advanced serverless architecture using AWS Lambda, EventBridge & WebSockets ✔️ CI/CD pipelines and monorepo architectures accelerating delivery by 2x ✔️ Production experience across startups, enterprise platforms & scaling products ⚡ Front-End / React Expertise • React 18, React.js, Vue.js, Angular, Next.js 14+, TypeScript • SSR, ISR, SPA & PWA development • TailwindCSS, Material UI, SCSS, Bootstrap responsive UI systems • Mobile-first interfaces & scalable UI architectures • React micro frontends using Nx, Turborepo & Module Federation • Storybook, reusable component libraries & design systems • Real-time dashboards, analytics systems & live data visualizations • react native integration experience for cross-platform ecosystems 🔌 Backend / Node.js Expertise • Node.js 20+, NestJS, Express, Koa, Hapi • REST API & GraphQL development • JWT/OAuth authentication, RBAC & secure API systems • Redis, Kafka, WebSockets & Socket IO real-time infrastructure • Queue systems with BullMQ, SQS & distributed workers • Microservices & event-driven backend architecture • AWS Lambda, Step Functions & serverless infrastructure • OpenAI API, Dialogflow & AI automation workflows • Scalable backend systems for SaaS, marketplaces & analytics platforms 📦 DevOps & Cloud Infrastructure • Docker, AWS, CloudFront, S3, Vercel, Firebase • GitHub Actions, GitLab CI/CD & Bitbucket Pipelines • Nx monorepos, Turborepo & scalable deployment workflows • AWS CDK & infrastructure-as-code systems • Sentry, DataDog & ELK Stack monitoring • Performance optimization, Redis caching & cloud cost reduction 📊 Database & Performance Engineering • PostgreSQL, MongoDB, MySQL, DynamoDB, Firebase, Redis • Prisma, Sequelize, TypeORM, Mongoose • Backend optimization improving performance by up to 50% • ETL systems, analytics pipelines & event aggregation platforms • Query optimization & scalable database architectures 🌍 Industries & Product Experience • SaaS Platforms & Startup MVPs • AI-Powered Products & Automation Systems • eCommerce & Marketplace Platforms • Fintech & CRM Systems • Healthcare & Real Estate Platforms • EdTech & LMS Development • Marketing Automation & Analytics Dashboards • Enterprise Web Applications & Business Tools ⚙️ Core Stack & Technologies • JavaScript, TypeScript, HTML5, CSS3 • React, React.js, Vue.js, Angular, Next.js • Node.js, NestJS, Express, Serverless Framework • PostgreSQL, MongoDB, MySQL, Redis • AWS, Docker, Firebase, Vercel • Puppeteer, Playwright & browser automation systems • Stripe, OpenAI API, SendGrid, Pandadoc integrations ✅ Let’s Build Your Full Stack JavaScript Platform If you’re looking for a senior full stack developer, react developer, node.js developer, backend developer, javascript developer, or web developer who understands scalable engineering and product strategy - let’s talk. 📩 Message me to discuss your SaaS platform, AI system, automation workflow, web application, marketplace, CRM, or next-gen product. ----------------

🔥I help startups and growing businesses build fast, scalable web and mobile apps using Python, Laravel, React Native, and React. I work as a full stack developer who can take a product from idea to production with clean code and predictable delivery. If you need a reliable web developer for modern UI work and a strong mobile app developer for iOS/Android builds, I can cover both while staying hands-on as a full stack developer focused on performance, UX, and maintainability. I’ve delivered solutions for founders who need speed now and stability later, and I communicate clearly at every step.🔥 🚀I also lead a web development team, Join.To.IT from Kyiv, Ukraine as co-founder and CEO. We have multiple Laravel developers (Senior PHP and Custom PHP MySQL), Python (Django), and JavaScript (React, Vue, React Native) developers. If your project needs a dedicated mobile app developer, we can staff that role quickly, while I stay involved as a full stack developer to keep architecture, delivery, and communication aligned. When the UI scope grows, a senior web developer can join the project while I remain the full stack developer responsible for end-to-end quality.🚀 I’m an experienced Laravel engineer, React engineer, Vue engineer, and React Native engineer with 14 years of production experience. As a full stack developer I can build backend APIs, admin panels, dashboards, and customer-facing apps, and as a web developer I pay attention to UI details that improve conversion and retention. I’ve completed a wide range of successful projects, from MVPs to large systems with long-term maintenance and continuous improvements. My skills: React React Native Software Architecture & Design Laravel Python Full-Stack Development API Development JavaScript PHP Web Application Development Node.js AWS Development MySQL Mobile App Development Django WordPress HTML5 Tailwind CSS Web Design API Integration Stack of technologies we use: ✅ HTML/CSS, Bootstrap, Tailwind ✅ JavaScript (React, Vue, Node.js, Express, AdonisJS, Nuxt) ✅ React Native for cross-platform mobile delivery ✅ API integrations (Stripe, PayPal, Twilio, TextMagic, Xero, DocuSign, Google Maps, Meta APIs, and more) ✅ API development (Laravel, Node/Express, Firebase, Python/Django, Go, REST, GraphQL) ✅ PWA (Progressive Web App) ✅ Databases: MySQL, PostgreSQL, MongoDB, DynamoDB, Elasticsearch ✅ Infrastructure: AWS, DigitalOcean, Firebase, Supabase ✅ DevOps and administration: LAMP, CentOS, Ubuntu As a full stack developer, I connect the front end, back end, and infrastructure so releases are smooth. When the scope includes native-like UX, I can collaborate with a mobile app developer without slowing down the API roadmap, and a web developer can refine UI flows while we keep the backend stable. You can hire me as a full stack developer for full ownership, or extend the team and keep me as the full stack developer leading architecture and delivery. If timelines are tight, add a mobile app developer to parallelize mobile features, and add a web developer to accelerate dashboards and front-end work. Our team has already worked in such industries as: ✅ Marketplace ✅ E-commerce ✅ Travel and Hospitality ✅ Custom ERP (Enterprise Resource Planning) ✅ ChatGPT integration (LLM model in your website front end) ✅ Automotive (car inspection, automotive ERP, car sharing, rental, selling) ✅ Social media (Tinder-like networks, short video platforms, communities) ✅ Sales (CRM systems for sales teams, retail, hospitals, sales departments) ✅ Sport (gym management systems, trainer platforms, fitness apps, club portals) ✅ Legal (document automation, AI-assisted legal processing) ✅ Healthcare (clinic management, booking, mental health software) ✅ Education (LMS, automated training, coaching marketplaces) ✅ Finance (fintech platforms, investment platforms, bank API integrations, calculators) ✅ Manufacturing (shop floor management and automation) ✅ Human resources (HRM systems) ✅ Digital marketing (Meta, Facebook/Instagram, TikTok, Google APIs, analytics) In our work history you’ll find successful products built with Laravel, PHP, JavaScript, MySQL, React, Vue, WordPress development, Web Development, Full Stack development and React Native, plus multiple systems built with Python (Django, Flask, FastAPI). I also use LLM capabilities and AI APIs (including OpenAI integrations) when they genuinely improve the product experience. We have 65 senior developers across PHP, JavaScript, MySQL, Python, Go, and Node.js. As a full stack developer, I can jump into an existing codebase, stabilize releases, fix bottlenecks, and plan the next iterations. Don't hesitate to get in touch with me for further details and fruitful work. Best regards, Oleksandr CEO, JoinToIT