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Experience

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Role 2
Role 3

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Project 2

Education

Education 1

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Honors & Leadership

Skills

1 A4 page

Pratik Singh

Senior Software Engineer

pratik.singh@example.com | +1 (555) 010-2048 | Metro City, Remote | linkedin.com/in/demo-pratik | github.com/demo-pratik | pratik-demo.example.com

Summary

Backend-leaning full-stack engineer with 5+ years building high-throughput platform and infrastructure systems. Owned services processing 10M+ daily requests at fictional SaaS companies. Comfortable from Postgres internals to React performance budgets.

Experience

Senior Software Engineer · Payments Platform Aug 2022 – Present
Northstar Labs
  • Reduced p99 checkout API latency by 38% by sharding the orders table and adding read replicas for status polling
  • Migrated the recurring-payments service from monolith to Go microservice, cutting peak CPU by 47% and unblocking 3× throughput
  • Designed an idempotency-key audit job that reconciled 1.2M historical mismatches with zero double-charges
  • Mentored 3 junior engineers; introduced a code-review checklist that cut review-to-merge time from 2.4 days to 14 hours
Software Development Engineer II Jul 2020 – Jul 2022
AtlasLoop Systems
  • Built the seller-onboarding KYC pipeline (Java/Kafka) processing ~25k applications/week at 99.97% uptime
  • Reduced cold-start time of the search-suggestion service by 62% by warming Redis on deploy
  • Introduced contract tests with Pact across 6 downstream services, eliminating an entire class of breaking changes
Software Engineer Intern May 2019 – Jul 2019
Bluegrid Studio
  • Prototyped a real-time options-chain WebSocket feed in Go that became the basis for Kite Connect v3 streaming

Projects

Go, PostgreSQL, Prometheus
Lightweight Postgres lock and query-stat exporter used by 600+ teams.
  • 1.4k GitHub stars in 4 months; 22 external contributors merged
  • Cut average debug time for production lock contention from ~30 min to <5 min
TypeScript, Yjs, Cloudflare Durable Objects
Real-time multiplayer whiteboard on tldraw, conflict-free up to 50 concurrent cursors.
  • Featured in the Cloudflare Workers showcase, July 2024

Education

Example Institute of Technology
B.Tech, Computer Science & Engineering · CGPA 8.7/10
2016 – 2020

Skills

Go, PostgreSQL, TypeScript, Kafka, Redis, Kubernetes, AWS, React

Honors & Awards
  • Open-source platform mentor — database tooling track, 2023
  • Regional programming contest — Rank 14/620, 2019