Lusan Das - Software Engineer at PhonePe

Lusan Das

Software Engineer at PhonePe

Bengaluru, Karnataka, India

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Summary

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Senior

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Top School

Lusan Das is a software engineer with 11+ years of experience building high-performance web platforms, currently leading web initiatives at PhonePe from Bengaluru. He has driven measurable front-end optimizations at Flipkart and LifCare—reducing bundle sizes by over 80% and cutting TTI by more than a second—while architecting PWAs and POS systems deployed nationally. Comfortable across the stack, Lusan blends pragmatic engineering (service workers, Redux/observable patterns) with mentorship and internal knowledge-sharing. A prolific JavaScript enthusiast and freeCodeCamp contributor, he combines product-focused delivery with a knack for squeezing performance out of complex, large-scale web apps.

11 years of coding experience

9 years of employment as a software developer

Class XII; Higher Secondary, Class XII; Higher Secondary at St Joseph Coed Higher Secondary School

Bachelor of Technology (BTech), Computer Science and Engineering, Bachelor of Technology (BTech), Computer Science and Engineering at Sikkim Manipal Institute Of Technology

Class X; Secondary School Certificate, Class X; Secondary School Certificate at Birla High School

English, Bengali, Hindi

Stackoverflow

Stats

143reputation

14kreached

7answers

5questions

Github Skills (69)

redux-persist10

hybrid10

javascript10

browser10

react-native-web10

codesandbox10

compiler10

rapid10

angular10

static-site-generator10

typescript10

ssg10

preact10

svelte10

Programming languages (3)

TypeScriptAstroJavaScript

Github contributions (5)

lusan/my-journey

Jun 2019 - Aug 2021

My personal website for documenting my journey as a software engineer

Contributions:24 commits, 1 PR, 17 pushes in 2 years 3 months

software-engineerjourney

lusan/Seismic-activity-monitor--SAM-

Jul 2014 - Jun 2019

Contributions:30 commits, 1 push in 5 years

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