sumit S.

𝐈 𝐭𝐮𝐫𝐧 𝐢𝐝𝐞𝐚𝐬 𝐢𝐧𝐭𝐨 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐢𝐧𝐠 𝐰𝐞𝐛, 𝐦𝐨𝐛𝐢𝐥𝐞, 𝐒𝐚𝐚𝐒, 𝐚𝐧𝐝 𝐀𝐈 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬 built for real users and measurable business results. As a 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫, I help startups, agencies, and growing businesses build, improve, and scale production-ready applications. My core technologies include 𝐑𝐞𝐚𝐜𝐭, 𝐍𝐞𝐱𝐭.𝐣𝐬, 𝐍𝐨𝐝𝐞.𝐣𝐬, 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭, and 𝐓𝐲𝐩𝐞𝐒𝐜𝐫𝐢𝐩𝐭, supported by modern databases, APIs, and cloud infrastructure. From a new MVP to a complex platform, I manage the complete development lifecycle, including architecture, frontend, backend, mobile applications, integrations, testing, and deployment. My focus is on secure, scalable, maintainable software that performs reliably in production. 𝐖𝐇𝐀𝐓 𝐈 𝐂𝐀𝐍 𝐁𝐔𝐈𝐋𝐃 • 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 – Custom web platforms, dashboards, portals, and business applications. • 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 – Modern, responsive applications using React, Next.js, JavaScript, and TypeScript. • 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 – Cross-platform iOS and Android applications using React Native, Flutter, and Firebase. • 𝐒𝐚𝐚𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 – Subscription billing, authentication, role-based access, admin panels, and scalable business platforms. • 𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 – REST APIs, GraphQL, webhooks, third-party integrations, and backend services. • 𝐌𝐄𝐑𝐍 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 – Full-stack applications using MongoDB, Express.js, React, and Node.js. • 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐃𝐞𝐬𝐢𝐠𝐧 – Data modeling, optimization, and integration using MongoDB, PostgreSQL, Firebase, and Supabase. • 𝐂𝐥𝐨𝐮𝐝 𝐂𝐨𝐦𝐩𝐮𝐭𝐢𝐧𝐠 – Application deployment, infrastructure configuration, and production optimization. • 𝐀𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 – AI chatbots, document processing, intelligent workflows, and AI-powered marketplace solutions. 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐈𝐄𝐒 𝐈 𝐖𝐎𝐑𝐊 𝐖𝐈𝐓𝐇 • Logistics & Vehicle Transportation • Healthcare & Care Management • Fintech & Digital Wallets • Field Service Management & Marketplaces • Product-Based Marketplaces • Travel Booking Platforms • Wellness & Fitness Platforms • E-Learning & Quiz-Based Applications • Staffing & Recruitment • Restaurant Booking & Food Delivery • SaaS & Business Automation 𝐑𝐄𝐋𝐄𝐕𝐀𝐍𝐓 𝐏𝐑𝐎𝐉𝐄𝐂𝐓 𝐄𝐗𝐏𝐄𝐑𝐈𝐄𝐍𝐂𝐄 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞 𝐏𝐨𝐫𝐭𝐚𝐥𝐬: Developed portal functionality, secure workflows, dashboards, and integrations using technologies including React, TypeScript, Next.js, Laravel, .NET, and Angular. 𝐏𝐎𝐒, 𝐈𝐧𝐯𝐞𝐧𝐭𝐨𝐫𝐲 & 𝐏𝐚𝐲𝐦𝐞𝐧𝐭𝐬: Built features for multi-location retail systems, including inventory management, sales reporting, PAX terminal integration, and Stripe payments. 𝐂𝐮𝐬𝐭𝐨𝐦 𝐏𝐫𝐨𝐝𝐮𝐜𝐭 𝐂𝐨𝐧𝐟𝐢𝐠𝐮𝐫𝐚𝐭𝐢𝐨𝐧: Developed interactive product customization with real-time previews. 𝐀𝐈 & 𝐒𝐚𝐚𝐒 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬: Worked on intelligent workflows, document processing, API integrations, and business automation. 𝐒𝐊𝐈𝐋𝐋𝐒 & 𝐓𝐄𝐂𝐇𝐍𝐎𝐋𝐎𝐆𝐈𝐄𝐒 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: React, Next.js, JavaScript, TypeScript, responsive UI, and Figma-to-React development. 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js, Express.js, Laravel, Python, REST APIs, and GraphQL. 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: MongoDB, PostgreSQL, Firebase, and Supabase. 𝐌𝐨𝐛𝐢𝐥𝐞: React Native, Expo, Flutter, and cross-platform application development. 𝐀𝐈 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬: OpenAI API, AI chatbots, semantic search, payment gateways, subscriptions, notifications, and authentication. 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭: Cloud Computing, deployment pipelines, monitoring, and production infrastructure. 𝐖𝐇𝐘 𝐖𝐎𝐑𝐊 𝐖𝐈𝐓𝐇 𝐌𝐄? I take a complete product-focused approach to 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, connecting intuitive frontend experiences with reliable backend services. I prioritize clean architecture, security, testing, scalability, and maintainability throughout the development process. Whether you need 𝐒𝐚𝐚𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 for a new business idea, 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 for an existing operation, or 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 for your customers, I can help you plan and deliver the right solution. If you're launching an MVP, modernizing legacy software, building an 𝐀𝐈 𝐌𝐚𝐫𝐤𝐞𝐭𝐩𝐥𝐚𝐜𝐞, or scaling an existing SaaS product, let's discuss your goals. 𝐋𝐞𝐭'𝐬 𝐛𝐮𝐢𝐥𝐝 𝐬𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐯𝐚𝐥𝐮𝐚𝐛𝐥𝐞. 𝐒𝐮𝐦𝐢𝐭