Featured
Partners Studio
A React PWA used by 20+ corporate clients, with offline support and service workers. Built at FITPASS.
React.jsPWAService Workers
Available for new opportunities
Hi, I'm Ayush Pathak
Senior Frontend Engineer
I build production React.js and Next.js applications, with a focus on frontend architecture, performance and SEO. I enjoy solving complex problems and shipping products that deliver real user impact.
- Years Experience
- 6+
- Years Experience
- Corporate Clients on Partners Studio
- 20+
- Corporate Clients on Partners Studio
- Users on the Nutrition Dashboard
- 60,000+
- Users on the Nutrition Dashboard
- Lighthouse Scores on fitpass.co.in
- 90+
- Lighthouse Scores on fitpass.co.in
- React.js
- Next.js
- TypeScript
- JavaScript
- Tailwind CSS
- React Query
Build Products
Turn ideas into scalable web applications.
Solve Problems
Design clean and efficient solutions.
Optimize Performance
Focus on speed, SEO and Core Web Vitals.
Collaborate
Work with cross-functional teams to ship to production.
Featured Projects
Some of the products I've worked on
fitpass.co.in
The FITPASS website on Next.js, using SSR, SSG, ISR or CSR per page based on SEO and performance needs, with webhook-triggered ISR and Lighthouse scores in the 90s.
Next.jsSEOISR
BFF Layer
A Backend-for-Frontend built with Next.js Route Handlers that connects backend and external services, handles common business logic and routes gRPC calls.
Next.jsRoute HandlersgRPC
Latest Blog Posts
Thoughts, tutorials and learning notes
React Performance Optimization: Practical Guide for Production Apps
Oct 3, 2026 · 8 min read
Learn practical techniques to optimize React applications including memoization, code splitting, virtualization and real-world performance tips.
ReactPerformanceWeb Vitals
Next.js Rendering Methods: SSR, SSG, ISR Explained
Sep 28, 2026 · 6 min read
A complete guide to understand different rendering methods in Next.js, their use cases and best practices.
Next.jsSSRSSGISR
Frontend Architecture at Scale
Sep 10, 2026 · 7 min read
Key learnings from building large frontend applications with micro frontends, BFF and modular architecture.
ArchitectureMicro FrontendsBFF
Career Journey
FITPASS
Senior Frontend Engineer
Nov 2022 – Present · 3+ years
Elite Mindz
Software Developer
Feb 2022 – Nov 2022 · 10 months
Enbake Consulting
Software Engineer
Mar 2021 – Dec 2021 · 10 months
Magic Software
Digital Media Trainee
Jan 2020 – Feb 2021 · 1 year 2 months
Master of Computer Applications (MCA)
Graphic Era Deemed University, Dehradun, India
Bachelor of Computer Applications (BCA)
Graphic Era Hill University, Bhimtal, India
“I believe in writing clean code, building scalable products and always learning new things.”