backend engineer · singapore
I build systems that stay calm when the traffic doesn’t.
I’m Pawan, a backend software engineer at Venti. I work on real-time data platforms for autonomous vehicles, then write down what I learn.
Singapore
across research & industry
and counting
selected work
Things I’ve shipped & studied
AI ATC Simulator
A real-time air traffic control simulator with AI-powered aircraft agents, built with TypeScript and WebSockets.
Prompt Arena
A competitive platform where users pit LLM prompts against each other in head-to-head battles, with ELO ranking and community voting.
Backend Performance Study
Microbenchmark suite studying cache locality, false sharing, and lock contention to analyze latency spikes in a storage data plane.
from the notebook
Field notes, not thought leadership
Event-Driven Architecture: Lessons from Production
What I learned building event-driven services at work — message ordering, idempotency, and the patterns that actually matter.
Read note →My Terminal Setup in 2026
The tools, aliases, and workflows I use daily as a junior engineer to stay productive in the terminal.
Read note →Understanding Database Indexing — The Practical Version
A no-fluff guide to database indexes: when to add them, when to skip them, and how to think about query performance.
Read note →/now
Working close to the metal,
thinking in systems.
I care about software that is observable, understandable, and boring in production. The interesting part should be the problem, not the outage.
How I got here →$ cat daily_stack.txt