Hi, I'm Suraj Kumar

Welcome to my corner of the internet.

I build products across web, mobile, and AI workflows. I care about shipping useful software fast — then improving it in public with real feedback.

Recently, I’ve been focused on agentic systems and product execution: launching ideas quickly, closing loops, and learning from measurable outcomes instead of opinions.

This website is intentionally simple. It’s where I keep my projects, writing, and work history in one place.

If any of this resonates, feel free to reach out — I’m open to product engineering and selective freelance projects.

A small carousel from my older portfolio — because that part felt personal and worth keeping.

Recent Writing

View all writing →

Selected Projects
Catalyst

Catalyst — AI Chat Platform

Problem: linear AI chats get cluttered quickly.
Result: threaded model with cleaner context and focused collaboration.

View demo/update →

Ghiblify

Ghiblify

Problem: launch fast on a trend window.
Result: 1k+ visitors, 100+ paying customers, ₹3,000 revenue in 48h.

Live

NIT Patna Alumni

NIT Patna Alumni Portal

Problem: fragmented alumni engagement.
Result: central portal with 21k+ visitors and 2k+ registrations.

Live · Code

Experience

SWE Intern — Splitly

Jan 2025 – Present · Remote

  • Built free Splitwise alternative as a full-stack product from scratch.
  • Shipped to App Store + Play Store; crossed 300+ downloads.
  • Built SEO landing page that reached 15k+ visitors in one month.
  • Implemented OAuth2, OTP verification, notifications, and AI OCR pipeline.

Frontend Engineer Intern — Build In Bharat Tech

Jun 2024 – Aug 2024 · Remote

  • Delivered frontend for 4 projects using React + Tailwind.
  • Improved page-load performance by ~30%.
  • Improved development speed by ~30% with reusable component systems.
Tech Stack
ReactNext.jsNode.jsExpressGoTypeScriptPostgreSQLMongoDBFirebaseDockerTailwindAppwriteSupabase
Let’s Build

I’m open to freelance and product engineering opportunities. If you need someone who can ship quickly and communicate clearly, send me a note.