raj mehroliya

Software Engineer II

Raj Mehroliya

Building scalable backend systems that power mobility platforms. Distributed systems, payments infrastructure, and cloud architecture — shipped to production, owned end to end.

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Currently

Software Development Engineer II at Togopool

Promoted to SDE II in January 2026. Own distributed-systems features across the ride lifecycle: concurrency-safe booking, routing safety, and multi-region scheduling.

Full experience →

Selected Work

All projects →

Case studies, not screenshots — the problem, the architecture, and the trade-offs behind each system.

Multi-Tenant Wallet & Payments Infrastructure

From debugging silent payment failures to architecting a reconciliation-first wallet system across five payment providers.

  • Node.js
  • Express.js
  • MySQL
  • Redis
  • Stripe
  • +4 more
Read case study →

Driver Promotions with Fraud Detection

An incentive system designed on the assumption that users will try to game it — with geofence integrity enforced in SQL.

  • Node.js
  • MySQL
  • Spatial SQL
  • Redis
Read case study →

Stack

Languages

  • JavaScript
  • TypeScript
  • Python
  • SQL

Backend

  • Node.js
  • Express.js

Databases

  • MySQL
  • MongoDB
  • Redis

Cloud

  • AWS EC2
  • AWS S3
  • AWS RDS

Tools

  • Docker
  • Git