Chandan Kumar
Senior Technical Lead IOS at Paytm
Noida, Uttar Pradesh, India
Summary
👤
Senior🎓
Top SchoolChandan Kumar is a Senior Technical Lead (iOS) with over a decade of experience designing and scaling high-performance mobile apps, currently leading major iOS initiatives at Paytm from Noida. He has driven end-to-end overhauls for products serving 100M+ users, delivering measurable improvements like 40% crash reduction, 30% smoother scrolling, and 50x faster memory operations while preserving backward compatibility. Skilled in modular architectures, SOLID/POP principles, CI/CD, and accessibility, he has boosted test coverage and cut load times through pragmatic engineering and robust abstractions. His work spans consumer fintech, education, and real-time systems, with hands-on experience integrating SDKs, SSO, PubNub, and AWS for multimedia and chat. Beyond metrics, he mentors teams and institutionalizes practices—reducing QA bugs and accelerating onboarding—so feature velocity rises without sacrificing stability. An engineer who likes solving hard integration and performance problems, he combines product-focused thinking with disciplined delivery at scale.
10 years of coding experience
6 years of employment as a software developer
Bachelor of Technology (B.Tech.), Information Technology, A, Bachelor of Technology (B.Tech.), Information Technology, A at Rajasthan Technical University
English
Stackoverflow
1,074reputation
59kreached
53answers
21questions
Github Skills (54)
html-document9
scroll8
oclint8
paging8
android-apps8
menu8
android8
ruby8
plot8
ios8
controller7
fastlane7
windows-phone7
parse7
automation7
Programming languages (3)
Github contributions (5)
chandansingh5/CSImageEditorDemo
Nov 2016 - Feb 2017
Contributions:5 commits, 3 pushes, 1 branch in 3 months
chandansingh5/CSVideoPlayer
Jan 2017 - Feb 2020
Contributions:10 commits, 13 pushes, 3 branches in 3 years 1 month
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