Gurwinder Koin
Founder & CEO · Lead Full-Stack Engineer
Gurwinder is the founder of F Koin Tech and its lead engineer. For close to a decade he has designed and shipped websites, mobile apps, and custom business systems for founders and teams across the globe — translating real operational problems into clean, dependable software.
Punjab, India · Working with clients worldwide
9+
Years building software
90+
Projects delivered
30+
Clients worldwide
100%
Job success score
What I build
Turning business problems into software that ships, performs, and scales.
Web Applications
Fast, responsive websites and web apps in React and Next.js — from marketing sites to data-heavy dashboards.
Custom Business Systems
ERP, CRM, admin panels, and internal tools that automate the workflows your business actually runs on.
Mobile Apps
Cross-platform Android and iOS apps with React Native and Flutter, built for real users and real stores.
APIs & Integrations
Robust REST APIs, payment gateways, and third-party integrations that connect your stack cleanly.
E-Commerce Platforms
Custom storefronts and checkout flows engineered to convert and scale with your catalogue.
Cloud & Deployment
Production deployment, performance tuning, and scaling so what you ship stays fast and stable.
How I work
The principles behind every engagement — what you can count on from first call to launch.
Product first, code second
Software is only worth building if it moves the business. I start with the workflow and the outcome — then engineer the simplest system that delivers it reliably.
End-to-end ownership
One accountable partner from discovery to launch — no dropped handoffs, no finger-pointing.
Business-first thinking
Every technical decision is judged by the outcome it drives for your operations and growth.
Clear, honest communication
Straight answers, realistic timelines, and progress you can see — never jargon or surprises.
Built for the long run
Maintainable code and ongoing support, so the system keeps working as your business changes.
The path here
Nearly a decade of shipping real software — from first apps to leading a team.
Founder & CEO, F Koin Tech
Leading product strategy, engineering, and client delivery.
Senior Full-Stack Developer
Shipped production web platforms and APIs for global clients.
Android Developer
Built and published native and cross-platform mobile apps.
MCA & BCA, Computer Applications
Formal grounding in software engineering and systems.
The stack I build on
Proven, modern technologies chosen for performance, reliability, and long-term maintainability.
Frontend
Backend
Mobile
Data
Cloud & Tools
Education
MCA — Master of Computer Applications
Delivery
99% on-time, end-to-end ownership
Team & network
20+ engineers and specialists
Have a project in mind?
Tell me what you're trying to build. You'll get a clear, honest assessment and a path to ship it — straight from the person who'll do the work.