Harpreet Singh
Senior Software Engineer at Block
Canada
Summary
👤
Senior🎓
Top SchoolHarpreet Singh is a Senior Software Engineer with 11 years of experience designing and operating scalable, resilient backend systems across startups and large enterprises. He has driven high-throughput Java services at Amazon (peaks of ~35,000 TPS) and built multi-region e-commerce microservices in Go and Rails that cut time-to-market by 75% at Circles.Life. Equally comfortable in monolith and microservice architectures, he has led teams through full SDLCs, optimized APIs and databases, and championed CI/Agile practices to align engineering work with business goals. Now at Block, he brings deep production experience in performance-sensitive identity and lifecycle systems, plus a practical knack for shipping secure, data-heavy platforms backed by Postgres, MySQL and Redis. Notably, his background spans both product-led SaaS builds and critical internal infrastructure, giving him a rare blend of operational rigor and feature-focused delivery.
11 years of coding experience
11 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Kurukshetra University
Github Skills (54)
octave9
javascript9
markdown9
euler9
dsa-algorithm9
racket8
coder8
java8
offline-app8
nodejs8
functional-programming7
appwrite7
algorithm7
search-engine7
c-programming7
Programming languages (5)
Github contributions (5)
hsaini734/url_shortener
Nov 2014 - Jun 2015
Contributions:13 commits, 2 pushes, 1 branch in 6 months
dare-rider/github_chamber
Mar 2018 - May 2019
Contributions:12 pushes, 1 branch in 1 year 1 month
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