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With 12+ years of industry experience, I turn complex business requirements into clean, performant web and mobile applications — whether that's a scalable Laravel backend, a dynamic MERN Stack app, a cross-platform Flutter mobile app, or a bespoke ERP solution. I don't just write code; I build products that work.
I'm Tannmay Daas, a Senior Full Stack Developer based in Kolkata with 12+ years in the IT industry — 5+ of which have been dedicated to building production-grade web and mobile applications. From architecting robust Laravel APIs to deploying MERN Stack front-ends and cross-platform Flutter apps, I deliver end-to-end solutions built to scale and easy to maintain.
I've shipped software across ERP platforms, enterprise tools, and client-facing products for companies spanning manufacturing, technology, and IT services. My approach is consistent: understand the real business need, build the right solution, and deliver it on schedule — no surprises.
A production-tested stack built over 12+ years — covering the full development lifecycle from UI design to database architecture and cloud deployment.
12+ years of delivering scalable, high-quality software across enterprise ERP, full-stack web development, mobile app development, and IT infrastructure — always on time, always production-ready.
Led full-stack development of enterprise ERP modules — owning end-to-end feature delivery from requirement scoping through testing to go-live. Maintained proactive technical support, ensuring platform stability and zero critical downtime across active deployments.
Architected and shipped multiple ERP modules and RESTful APIs over a 2.5-year engagement — translating complex client specifications into maintainable, production-ready code. Sustained high platform stability and performance throughout the entire contract lifecycle.
Delivered pixel-perfect, responsive interfaces paired with robust backend logic and optimized database schemas. Built clean, well-documented codebases that clients continued to scale confidently long after project handover.
Oversaw IT infrastructure, software licensing, and hardware operations across multiple nationwide locations for a large-scale manufacturing enterprise. Managed network and wireless infrastructure, ensuring consistently high system availability and swift resolution of multi-site technical issues.
End-to-end development services built around your business goals — not just your tech stack. From first wireframe to post-launch support, I own the entire journey.
Fast, responsive, pixel-perfect UIs that convert visitors into clients. Built with React.js, HTML5, Tailwind CSS, and Bootstrap 5 — tested across all major browsers and screen sizes before a single line ships.
Secure, high-performance backends and RESTful APIs engineered in Laravel, Node.js, and CodeIgniter — with clean architecture and optimized MySQL/MongoDB schemas built for long-term growth, not just the first release.
Custom ERP modules built around your exact workflow — not the other way around. I run requirement workshops, own the full build cycle, and ensure your team can operate and scale the system from day one.
Third-party APIs, payment gateways, SMS/email services, or legacy system bridges — I connect your stack cleanly, with proper error handling and fallback logic built in from the start, not bolted on later.
Code needs attention beyond launch day. I provide ongoing maintenance, performance tuning, security patches, and feature additions — so your application grows with your business instead of holding it back.
Great software starts with clear requirements. I run focused discovery sessions that map your business goals to a precise technical specification — reducing rework, preventing scope creep, and keeping delivery on budget.
Cross-platform iOS & Android apps built with Flutter from a single codebase — sharing business logic and API integrations with your existing web stack for faster delivery and easier long-term maintenance.
A strong academic foundation in IT, backed by industry certifications that inform every architecture and infrastructure decision I make.
Whether you have a defined scope or just an early idea — let's talk. I'll give you an honest technical assessment and a clear path forward, no obligation.