Open to opportunities

Md Irfan Hasan Fahim

@mdirfanhasanfahim

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Full-stack developer building high-performance, production-grade web systems.

Bangladesh

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What I'm looking for

I seek roles where I can build scalable, real-time web platforms, lead engineering efforts, and work in fast-paced product teams that value reliability, automation, and rapid delivery.

I am a product-focused full-stack developer specializing in web applications, real-time systems, and cloud-native infrastructure. I deliver high-performance, production-grade features under tight deadlines and optimize systems for reliability and scalability.

I have built and deployed multiple SaaS platforms and complex multi-app systems using technologies such as Next.js, NestJS, Django, PostgreSQL, MongoDB, Redis, Docker, and AWS, and I lead development of real-time features including WebSockets and WebRTC.

I combine hands-on engineering with leadership experience—having led technology strategy as a CTO, reduced system latencies, and delivered high-availability applications that support tens of thousands of users while maintaining strong focus on automation, observability, and rapid product delivery.

Experience

Work history, roles, and key accomplishments

Current

Self-employed Software Engineer

Current

Self-employed

Jun 2025 - Present (4 months)

Built and deployed a SaaS platform and a complete food delivery system with NestJS, Next.js, PostgreSQL, Redis and MongoDB, integrating local payments, delivery providers, SMS gateways, real-time tracking, and authentication for scalable production use.

NestJS Next.js PostgreSQL Redis MongoDB WebSockets Payments Authentication

Contract Software Engineer

Ryven.co

Mar 2025 - May 2025 (2 months)

Delivered a full SaaS EdTech platform in 40 days using Next.js, NestJS and Prisma; led real-time class system, collaborative canvas and slide builder, and integrated PPTX conversion, AWS Polly TTS with S3 caching, and Redis performance improvements.

Next.js NestJS Prisma PostgreSQL WebRTC WebSockets Redis

Freelance Full-Stack Developer

Achieve

Dec 2024 - Feb 2025 (2 months)

Built and deployed a high-performance CRM dashboard serving 14+ offline branches and 40,000+ students with 99.9% uptime; reduced DB query load by 30% and developed Node.js backends for branch management and exam/results workflows.

Node PostgreSQL Performance Optimization CRM REST APIs Offline Data Modeling Scalability

Contract Full-Stack Developer

Apon Gadgets

Sep 2024 - Oct 2024 (1 month)

Developed native web and mobile apps with React Native and a Next.js admin panel using Supabase and Stripe; implemented real-time data synchronization, payment processing and performance and security improvements for seamless admin operations.

React Native Next.js Supabase Stripe Performance Optimization & Security Android iOS

Chief Technology Officer

Muktir Ghonta

May 2021 - Oct 2024 (3 years 5 months)

Led technology strategy and development from web solutions to research initiatives, driving organizational growth and producing research with 1.5k+ reads and measurable engagement.