Vishesh Rawal

I build backend systems and then go looking for where they break.

Backend Engineering Intern · Repos Energy · Pune
B.E. Computer Science · TIET Patiala · Graduating May 2026

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What glibc's memory allocator is doing while your service is "just slow"

The bug wasn't in the application code. It wasn't in the query. It was in how glibc decides which arena to hand your thread, and the answer changes depending on how many threads are alive at the moment you call malloc.

14 min read

Django → Go: identity and order services at Repos Energy

2026 · Systems

p99 1.25s → 80ms · goroutine leak root-caused via pprof

Zero-Trust principles in distributed API infrastructure

2025 · Research

IEEE Xplore · peer-reviewed research

Contribution to Google DeepMind's OpenSpiel

2025 · Open Source

Open-source · multi-agent reinforcement learning

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