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Backend engineer with 6+ years building high-throughput payment and platform services for Indian fintech and e-commerce. Owns systems handling 2M+ daily transactions; strong on distributed systems, reliability, and mentoring. Looking to lead platform teams solving scale problems.
Experience
Senior Software EngineerApr 2021 – Present
PayNimbus Technologies · Bengaluru, KA
- Led migration of the settlements platform to an event-driven architecture, cutting reconciliation latency from 40 minutes to under 3 minutes.
- Designed an idempotent payment-capture pipeline processing 2.1M transactions/day at 99.98% success.
- Mentored 5 engineers; introduced service-level objectives that reduced Sev-1 incidents by 46% year on year.
- Cut cloud spend ₹1.2 crore annually by right-sizing compute and adding request-level caching.
Software EngineerJun 2018 – Mar 2021
Flipvertex Commerce · Pune, MH
- Built the order-orchestration service backing 8M+ monthly orders across 3 marketplaces.
- Reduced checkout p99 latency by 38% by rewriting the pricing engine in Go.
- Implemented feature-flagged rollouts adopted by 12 product teams.
Projects
OpenLedger · github.com/aarav-sharma/openledger
Open-source double-entry ledger library for INR micro-transactions with pluggable reconciliation.
Go · PostgreSQL · gRPC
- 1.4k GitHub stars; adopted by 3 early-stage fintech startups.
RailWatch
Real-time IRCTC seat-availability notifier serving 20k+ users during festival travel peaks.
Node.js · Redis · React
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