Nishant N.

Full Stack & AI App Developer | Flutter, SaaS, Automation & MVP

I help startups and businesses build SaaS platforms, fintech products, and mobile applications that scale from MVP to production. With 7+ years of experience in full-stack product development, I've worked with founders and growing startups to design, build, and scale digital products - SaaS platforms, fintech tools, HR tech, logistics, crowdfunding, and loyalty platforms used by thousands of users worldwide. Whether you need MVP development, a scalable multi-tenant architecture, or a complete end-to-end product, I can help turn your idea into a production-ready solution as a reliable technical partner. What I Can Help You Build: 1. SaaS platforms with multi-tenant architecture, RBAC, and multi-user dashboards 2. Fintech products (payments, wallets, ledgers, virtual cards) with Payment Gateway Integration and OAuth2 3. Scalable backend development (Node.js, API Integration, Webhooks, PostgreSQL, Redis) 4. Mobile app development in Flutter, built for speed, scalability, and long-term product growth 5. MVP development for startups, helping founders validate ideas quickly with scalable foundations 6. Workflow automation using n8n, Zapier, APIs, and AI to streamline business processes and reduce manual work 7. AI integration built directly into your SaaS product Experience: 7+ years of backend development, mobile app development, and product development for startups Delivered end-to-end solutions from architecture and MVP development through to deployment and scaling Worked directly with founders and growing businesses across fintech and SaaS Solutions I've Delivered: - Multi-tenant SaaS platforms with RBAC - Fintech dashboards and wallet systems - Flutter mobile apps published to App Store and Google Play - Admin panels and reporting systems - Payment Gateway Integration (Stripe and other providers) - Loyalty and rewards platforms - Crowdfunding platforms Why Clients Work With Me: - End-to-end product development - no need to hire multiple people - Strong balance of startup/business understanding + technical execution - Reliable delivery with clean, scalable architecture - Long-term technical partner, not a one-off contractor - Ability to translate business requirements into scalable technical solutions - Full stack expertise across SaaS, fintech, and mobile app development How I Work: • I think like a product owner, not just a developer • I focus on scalable architecture, maintainable code, and long-term product growth • I communicate clearly with regular progress updates • I focus on long-term reliability, not quick hacks Tech Stack: Frontend: React, Next.js, JavaScript Backend: Node.js, REST API, Webhooks, Backend Development Mobile: Flutter Developer (iOS & Android) Database: PostgreSQL, MongoDB, Redis Auth & Payments: OAuth2, Stripe, Payment Gateway Integration Cloud & Deployment: AWS, Google Cloud Platform (GCP), Firebase, Vercel Automation: n8n, Zapier, Workflow Automation Other: AI Integration, Workflow Automation, API Integration 💬 Let's Build Something Solid If you're building a SaaS platform, fintech product, or mobile application and need a reliable technical partner, I can help you plan, build, and scale it with a strong foundation from day one. 👉 Send me a message and let's discuss your project.