Eshan Singh

Part of the Deeptune team, an RL environments lab acquired by Mercor. Building infrastructure around RL environments and evals for frontier labs to train and validate frontier models.

Backend lead for the ABDM integration — Golang, certified by the National Health Authority. Built the internal management system covering procurement to compliance, IAM with ORY Keto, and cut search latency from 700ms to 150ms with self-hosted Typesense. Moved analytics to ClickHouse + PeerDB.

Automated operations for large-scale machine infrastructure. Took critical node uptime from 80% to 95% and built the integrated ticketing tool the support team runs on.

REST APIs in Node.js, hardened the mailer and notification systems, and built a high-throughput document generation pipeline.