Sarwar Siddiqui

Backend Software Engineer

I design, build, and operate scalable microservices for enterprise and AI-powered systems using Golang, Python, and AWS. Focused on distributed processing, low-latency architectures, observability, and production reliability.

Experience

Software Engineer

BureauID · Bengaluru

Apr 2025 – Feb 2026
  • Owned the DigiLocker verification integration end-to-end, streamlining the user flow from 4 steps to 2 and migrating state persistence from Redis to DB for higher reliability.
  • Hardened production resilience with granular document-level failure semantics, rate limiting, webhook schema fixes, and structured observability.
  • Consolidated multi-environment GitHub Actions + Docker pipelines for AWS ECS, cutting deployment times from ~15 minutes to ~5 minutes, and resolved high/medium VAPT findings.
Golang Python Redis MongoDB Docker AWS ECS

Software Engineer

Knowl · Bengaluru

Sep 2024 – Apr 2025
  • Core engineer in a 3-person team building an enterprise AI call center platform handling 150K daily interactions (900K+ outbound call capacity) across 15 enterprise clients.
  • Engineered a distributed calling engine managing 1,500+ concurrent calls with AWS SQS and Redis—cutting call initialization latency by 90% and achieving sub-50ms queue processing.
  • Built real-time call quality auditing across LLM, STT, and TTS latency thresholds alongside a 40-worker parallel metadata pipeline supporting English, Tamil, and Indonesian.
Python FastAPI PostgreSQL Redis AWS SQS Docker

Co-founder & Backend Architect

Tiffyy · Pune

Aug 2021 – Sep 2024
  • Architected and scaled a full-stack food delivery platform serving 5,000+ users from order ingestion to live delivery tracking.
  • Integrated kitchen operations directly with the order pipeline, reducing order processing time by 80%, while implementing JWT auth, RBAC, and high-availability redundancy.
Python FastAPI MongoDB Redis NGINX Docker

Software Engineer

Holiday Travel Triangle · Gurgaon

Aug 2020 – Aug 2021
  • Led backend development of the Travel Triangle Supply Network (TTSN) serving 100+ travel agents, increasing package customization options by 40% and lifting conversions by 25% via A/B-tested pricing.

Software Development Intern

Synaptic · Gurgaon

Jan 2020 – Apr 2020
  • Optimized Crunchbase ingestion pipelines processing 2GB+ compressed data with automated validation checks, cutting manual review time by 80–90%.
Python Django PostgreSQL Redis

Education & Founding Experience

M.Tech & B.Tech in Information Technology

Indian Institute of Information Technology (IIIT), Allahabad · CGPA 8.4 (M.Tech) / 7.8 (B.Tech)

2020

Co-founder — Dakia (Y Combinator-backed)

Secured ₹2.5L grant from Y Combinator during college to build and launch a decentralized local delivery app in Allahabad.

2018 – 2019