Ansh Kumar

Frontend Developer

Frontend Developer with experience in React, JavaScript and Svelte, building responsive, high-performance applications and MVPs from scratch for startups. Skilled in translating Figma designs into pixel-perfect code using TypeScript, Tailwind CSS, and Next.js with backend knowledge in Node.js, Express and MongoDB. Currently learning React Native and Go, and seeking remote opportunities to create impactful, scalable products.

Professional Experience

My journey in software development and the companies I've had the privilege to work with:

Full Stack Developer Intern

Techwire Studio Remote • India
Nov 2025 - Present 3 Months
  • • Led Front End performance optimization using JavaScript and Core Web Vitals best practices, improving Lighthouse performance score from 60 to 90+ and reducing page load time by 40%.
  • • Implemented end-to-end Razorpay payment integration using Node.js, enabling secure checkout, payment verification, and order workflows reducing manual payment handling by 80% and improved order success rate by 25%.
  • • Designed and deployed a scalable image delivery architecture using AWS S3 and CloudFront with a custom domain, reducing product image load latency by 50–60% through global CDN caching.

Frontend Developer Intern

R2i2 Technologies Pvt. Ltd Remote • India
Dec 2024 - Apr 2025 4 months
  • • Designed an offline-first PWA for fee collection using SvelteKit, maintaining 100% uptime in low-connectivity regions.
  • • Automated receipt generation via PDF, reducing users workload by 70% and eliminating manual record errors.
  • • Enabled bulk data handling through Excel import/validation, cutting entry errors by 60%.
  • • Built database models, edge functions, role based access control and RLS policies to improve performance, security and data integrity.
  • • Led agile development sprints, facilitated user feedback sessions and drove 80%+ adoption across roles.

Frontend Developer Intern

ONBO - Employee Onboarding Platform Remote • India
Sep 2022 - Dec 2024 2+ years
  • • Engineered an employee onboarding platform with SvelteKit and TypeScript, cutting ramp-up time by 40% and reducing training costs significantly.
  • • Translated high-fidelity Figma designs into responsive UIs with Tailwind CSS, achieving 99% design accuracy and increasing user engagement.
  • • Led code reviews and enforced engineering best practices, reducing production bugs by 40% and boosting team development velocity.

Skills & Technologies

Here are some of the technologies I've been working with:

Core

(4)
HTML
CSS
JavaScript (ES6+)
TypeScript

Frameworks

(5)
React
Next.js
Svelte
SvelteKit
Tailwind CSS

Backend

(6)
Node.js
Express.js
MongoDB
SQL
PostgreSQL
REST APIs

Tools

(3)
Git
GitHub
Docker