I'm a full-stack engineer specialising in scalable web applications, AI-powered features, and real-time systems. My work spans multi-tenant SaaS platforms, RAG pipelines, collaborative workspaces, and payment-integrated storefronts — with a consistent focus on clean architecture, security, and production readiness.

Languages

Frameworks & Libraries

AI & Machine Learning

Databases & ORM

Auth & Payments

DevOps & Cloud

Tools & Platforms

Architecture & Concepts

Independent | Open-Source Developer(2020 – Present)

• Architecting agentic AI systems, multi-tenant SaaS platforms, RAG applications, and real-time collaborative workspaces using Next.js 16, React 19, Node.js, Express, Django, and Laravel.
• Built CodeFusion Research Agent using Google Gemini 2.0 Flash function calling to autonomously analyze codebases and answer complex technical queries.
• Engineered Collaborative Team Hub with dual-database architecture (PostgreSQL + MongoDB), Socket.IO real-time channels, JWT auth with refresh interceptors, and RBAC workflows.
• Shipped Bookified — a production RAG PDF voice & chat platform powered by OpenAI Whisper, TTS, LangChain, and Vercel AI SDK streaming.
• Maintained active open-source repositories and automated CI/CD deployments on Vercel and Railway.

WebFlow Developer : Flow Seek (2020 – 2023)

• Designed and delivered 20+ responsive web applications and landing pages, converting complex Figma wireframes into pixel-perfect production builds.
• Built reusable Webflow CMS architectures for non-technical stakeholders, streamlining post-launch content management.
• Implemented performance optimization and SEO fundamentals (semantic HTML, structured data, schema markup, micro-animations) achieving 90+ Core Web Vitals scores.

English (Fluent) · Bengali (Native) · Hindi (Working Knowledge)