Available for work Dhaka / Bangladesh Portfolio / MMXXVI
I.Introduction / Portfolio001 / 008
Software Developer

Engineering scale with code, speed, and precision.

3+ years of production experience across SaaS, EdTech, and real-time systems. Specialist in optimizing database queries, microservice runtimes, and low-latency API architectures.

3+Years
Production
11KUsers
Concurrent
40KStudents
Served
[email protected] Dhaka, Bangladesh
Md Irfan Hasan Fahim — Backend Developer
FIG. 01 / Portfolio
II.About / Journey002 / 008
About me

Backend systems that scale from zero to enterprise.

Started professional development at 15 alongside secondary school. Built platforms that earned organic domain dominance, optimized complex database queries, and served 40,000+ students. Currently a student entrepreneur running Kanect while pursuing B.Sc. CSE at United International University.

Research / architect / build / shipEst. 2021
About Irfan Hasan Fahim
Builder, architect, and student entrepreneur.
III.Skills / Tech Stack003 / 008
Technical skills and capabilities
Technical stack / 2025
Technical skills

Tools and frameworks for scalable systems.

Full-stack capabilities with a backend-first mindset. Every tool chosen for production reliability, developer velocity, and system performance at scale.

01

Backend

NestJS, Django, FastAPI, Node.js, Express.js, GraphQL, REST API design and optimization.

02

Frontend

Next.js, React, SvelteKit, and Kotlin Multiplatform for cross-platform mobile ecosystems.

03

Cloud & Infra

AWS (EC2, S3, Polly), Docker, Kubernetes, GitHub Actions CI/CD, and Coolify deployments.

04

Databases

PostgreSQL, MongoDB, Redis, MySQL with Prisma ORM. Query optimization and caching strategies.

IV.Experience / Career004 / 008
Work experience

Four roles, each one bigger than the last.

Kanect Lead Developer
June 2025 — PresentLead Dev

Kanect

Lead Developer & Owner. Built InventoryPOS multi-tenant SaaS, a 3-app food delivery ecosystem in KMP + NestJS, and recovered client production systems.

Software Development Consultant
Dec 2024 — May 2025Consultant

Ryven.co & Achieve

Shipped an EdTech SaaS in 40 days. Optimized Redis from 650ms to 45ms latency. Architected a CRM serving 14+ branches and 40,000+ students.

Muktir Ghonta Developer
May 2021 — Oct 2024EdTech

Muktir Ghonta

Began professional development at 15. Built and maintained organizational websites and Python automation scripts to streamline internal processes.

Open Source Contributions
2023 — PresentOSS

Open Source & Freelance

Contributed to MRT Buddy (Flutter → KMP), built client e-commerce storefronts, and developed face recognition systems for national competitions.

V.Projects / Portfolio005 / 008
Projects

From concept to production.

Real products shipped to real users — from multi-tenant SaaS to open-source mobile apps and high-speed storefronts.

01

InventoryPOS →

Multi-tenant SaaS with NestJS + Next.js, local payment gateways, automated CRM, and delivery APIs.

02

Food Delivery →

3-app ecosystem (Owner, Delivery, Customer) in KMP + Next.js with real-time order tracking.

03

MRT Buddy →

High-performance Next.js site with 40% faster load times. Open-source Flutter → KMP migration.

04

E-commerce

Next.js 14 storefront with sub-second page loads via SSG and Vercel edge deployment.

VII.Connect / Network007 / 008
Connect

Let's build something that scales.

Open to freelance projects, full-time roles, and technical consulting. Whether you need a backend architect, a full-stack builder, or a systems thinker — let's talk.

Connect with Irfan Hasan
Let's connect / open to opportunities
VIII.Contact / Let's Talk008 / 008
Get in touch

Ready to build something remarkable together.

Looking for a backend-focused developer who ships fast and scales systems? Let's connect — I'm open to freelance, consulting, and full-time opportunities.

Contact Irfan Hasan Fahim
Irfan Hasan / Let's connect