I build exceptional web applications and explain complex technical concepts clearly. Whether you need code or clarity, I deliver both.
Development projects • Technical writing • Educational content
Recent Work
React, Next.js, and TypeScript applications with 90+ Lighthouse scores
Developer tutorials, documentation, and educational content
CS fundamentals applied to real-world development challenges
EasyGoDocs - Open Source Project
July 2025 - Present · Remote
BeliefPro
May 2025 - Present · Remote
Sisyphus Infotech
March 2025 - May 2025 · Remote
Syntax and Soul Blog
Jan 2025 - Present · Remote
Freelance Development
2021 - Present · Remote
Premium React animation library that generated $50K+ revenue in Q1. Reduced development time by 60% for 500+ developers across 20+ countries.
500+ subscribers, $50K+ revenue, 95% satisfaction rate
Open-source React animation library with 15K+ GitHub stars. Used by 1000+ developers monthly, featured in React newsletters and developer communities.
10K+ downloads/month, 1K+ GitHub stars, 50+ contributors
All projects include 30-day support guarantee
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For Business Leaders: Need strategic technical guidance or custom development? Let's discuss how I can solve your specific challenges.
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Koustav transformed our approach to technical decision-making. His strategic thinking helped us avoid costly architecture mistakes and delivered a 40% performance improvement.
Sarah Chen
Product Manager · TechCorp
Working with Koustav was transformative. He didn't just build our platform - he helped us think through the business implications of every technical choice.
Michael Rodriguez
CTO · StartupXYZ
Koustav bridges design and development perfectly. His Motion Primitives library became essential to our workflow - saved us weeks on every project.
Emily Johnson
Design Lead · Creative Agency