Sumer Singh.

Software engineer
& founder.

I’m building Don’t Bail, an event planning app. Previously, I worked on trading infrastructure at AlphaGrep and backend services at TeleTracking.

Currently working on

Don’t Bail

Apr 2026 — Present

An event planning app for mobile and web. I built RSVP management, automated waitlists, real-time chat, and live arrival ETAs.

Launched to 50+ users. Supports paid events, ticket payments, refunds, and host payouts.

React Native · Expo · Next.js · TypeScript
Python · FastAPI · PostgreSQL

Visit Don’t Bail

Experience

AlphaGrep

Sep 2023 — Mar 2026

Senior Software Engineer

Tech lead for a 15-person medium-frequency trading team. Built a distributed backtesting platform from scratch, handling 1,000+ requests per second at peak.

Cut cloud costs by 95% by moving a legacy platform from Cloud Functions to VM-based infrastructure.
Reduced compute waste by 70% with an ML pipeline that predicts resource requirements.
Built granular permissions, dynamic quotas, and Redis-based duplicate backtest detection.

TeleTracking

Oct 2020 — Sep 2023

Software Engineer

Built 30+ Java and Spring Boot microservices for an event-driven backend using Kafka, RabbitMQ, and MongoDB. Reduced integration-test Docker image build time by 99% through better caching.

Past projects

No longer maintained

CourtCobra

A sports marketplace for finding games and players and buying and selling court bookings. Includes automatic matching of offers and requests, chat, and listing alerts.

roads.fyi

A crowdsourced map of road conditions, with reports of potholes, congestion, and unsafe crossings, road ratings, and report sharing.

Background

Tools I work with

Python, Java, JavaScript, TypeScript, FastAPI, Spring Boot, React, PostgreSQL, Redis, Docker, Kubernetes, GCP, AWS, and Azure.

MS in Artificial Intelligence

University of Georgia 2018 — 2020

BTech in Electrical, Electronics and Communications Engineering

Manipal Institute of Technology 2014 — 2018