Sachin Kumar
Senior Software Engineer at Persistent Systems
Kolkata, West Bengal, India
Summary
👤
Senior🎓
Top SchoolSachin Kumar is a Senior Software Engineer with 5 years of experience building production-grade React and TypeScript frontends used by millions of small businesses through QuickBooks Online. Embedded within Intuit’s invoicing domain at Persistent Systems, he leads end-to-end delivery of invoice management features, driving quality via Jest and Playwright test suites and active bug triage across international markets. Comfortable in fast-paced Agile teams, he has hands-on experience with on-call incident response and accessibility-focused UI work. Over the past year he’s deliberately integrated LLMs like Claude into his workflow to accelerate debugging, expand test coverage, and explore architectures—demonstrating a practical, tool-forward approach to modern development. With a BTech in Electronics and Communications and a background in cross-platform mobile apps, he pairs frontend craftsmanship with a systems-oriented perspective and a track record of measurable product impact.
5 years of coding experience
3 years of employment as a software developer
Bachelor of Technology - BTech, Electronics and Communications Engineering, 8.83 CGPA, Bachelor of Technology - BTech, Electronics and Communications Engineering, 8.83 CGPA at Haldia Institute of TechnologyXII, PCM with Computer Science, XII, PCM with Computer Science at The Pentecostal Assembly School
English, Hindi
Github Skills (14)
javascript9
open-source9
flutter7
bitly6
tinyurl6
dart5
nodejs4
url-shortener4
shorturl4
checkbox4
firebase4
mongodb4
database3
firebase-database1
Programming languages (7)
Github contributions (5)
sachin161kr/Barter-Mate
Dec 2021 - Apr 2023
Contributions:54 pushes, 1 branch in 1 year 4 months
sachin161kr/A2OJ-Ladder
Feb 2021 - Nov 2021
A2OJ Ladder checkbox
Contributions:1 PR, 44 pushes in 9 months
a2ojladdercheckbox
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.