# Saurav K., software engineer

> Saurav K. is a software engineer based in Pune, India. He builds backend systems in TypeScript (Node.js, NestJS, PostgreSQL, Redis, queues), is learning Go and Rust, reverse engineers devices and apps, and writes long technical posts about what breaks at scale. He is looking for a software engineering internship.

Canonical site: https://devxsaurav.in

## What he works on

- Backend services in TypeScript: NestJS, Express, PostgreSQL, MongoDB, Redis, BullMQ, RabbitMQ
- Multi-tenant system design: tenant isolation, per-tenant credentials, plan limits and feature flags
- Distributed rate limiting, especially outbound limits against third-party APIs
- Go services, and Go running on embedded Android/Linux devices
- Reverse engineering Android devices and apps

## Projects

- projector-remote: a Go server running on a rooted Android-TV projector that serves a PWA remote, injects input via uinput, and plays content in its own ExoPlayer app. https://devxsaurav.in/work/projector-remote
- WhatsApp service: a plug-and-play WhatsApp Cloud API service for a multi-tenant CRM, with a public webhook service and an internal credential-holding API service. https://devxsaurav.in/work/whatsapp-service
- Compass: a multi-tenant CRM for real-estate sales teams (NestJS, Postgres, BullMQ, Ory Kratos/Hydra). Personal project. https://devxsaurav.in/work/compass
- formiq: side project, a form backend with a typed SDK, API, dashboard and async workers. https://devxsaurav.in/work/formiq
- offease: co-working aggregator, client work built with Vandana. Live at https://myoffease.com. https://devxsaurav.in/work/offease
- url-shortner-go: a small Go service written to learn idiomatic Go. https://devxsaurav.in/work/url-shortener-go

## Writing

- Why Rate Limiting Gets Complicated When You Scale Node.js: https://devxsaurav.in/blog/outbound-rate-limiting-when-you-scale-nodejs
- How I ended up rooting a projector (and finding a backdoor): https://devxsaurav.in/blog/rooting-the-projector
- Building a plug-and-play WhatsApp service for a multi-tenant CRM: https://devxsaurav.in/blog/plug-and-play-whatsapp-service-for-multi-tenant-crm

## Experience

- Engineering intern, Mindtrot Technologies (Dec 2025 to Jul 2026, remote)
- Full-stack developer intern, Guru Branding Services (Aug 2024 to Aug 2025, Pune)

## Links

- Portfolio: https://devxsaurav.in
- Writing: https://devxsaurav.in/blog
- GitHub: https://github.com/ksaurav24
- X: https://x.com/ksaurav240
- LinkedIn: https://www.linkedin.com/in/ksaurav24
- Medium: https://medium.com/@ksaurav4093
- Journey (longer story): https://devxsaurav.in/journey
- Resume: https://devxsaurav.in/resume.pdf
- Email: ksaurav4093@gmail.com