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Abhishek Singh

Abhishek Singh

Frontend engineer focused on web performance and mentoring

gaurav-patel-4109
Bengaluru, Karnataka, India
Joined April 2026
Favicon imageabhishek-singh-portfolio.vercel.app
Favicon imagegithub.com
Favicon imagepeerlist.io
Favicon imagecodeforces.com
Favicon imageabhisheksingh-4899.medium.com

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Summary

Frontend engineer focused on web performance and scalable UI: across roles at Cars24 and DeCurtis he worked on server-side rendering, CDN caching, resource preloading, reducing LCP/CLS/INP, and building reusable component libraries to improve load times and developer productivity. stackforce
Educator and mentor with sizable reach: created and delivered frontend courses and playlists (custom JS, JS quirks, React interview topics) at AlgoZenith and mentored a large number of students, supporting interview preparation and practical frontend skills. peerlist+1
Technical writer and engineering contributor: has authored engineering blog posts about infrastructure and security (Istio/mTLS, OneDoc & Patterns) for Razorpay's engineering blog and maintains personal writing on Medium. razorpay+2
Competitive programming and community leadership: engaged in campus-level competitive programming activities (CodeChef Anand-ICE chapter, Codeforces profile) and led contests and workshops, demonstrating commitment to DSA and peer learning. codeforces+1

Work

Education

Projects

Writing

Strengthening Application Security: How Razorpay Implemented Istio Service Mesh for mTLS and Traffic Management

December 1, 2023

An engineering article describing Razorpay's adoption of Istio service mesh to enable mTLS, traffic management, peer authentication, and authorization policies to secure service-to-service communication.

Favicon imageengineering.razorpay.com

Simplifying Workflows: Razorpay’s Journey with OneDoc & Patterns — Part 1

December 1, 2023

Discussion of OneDoc (centralized documentation) and Patterns (reusable Terraform modules) used at Razorpay to standardize infrastructure, improve onboarding, and speed provisioning.

Favicon imageengineering.razorpay.com

Before the opportunity was obvious

Personal/reflective Medium post by Abhishek Singh covering career/experience reflections (personal blog content).

Favicon imageabhisheksingh-4899.medium.com

Hobbies

Competitive programming and problem solving. codeforces