Justin Crisp.com

The story so far.

Work and study, newest first — from founding oomi back to where it started.

Jan 2026 — Now

Founder

oomi ↗

Building oomi from Austin — AI product, founded and led end to end.

Mar 2025 — Nov 2025

Founding Engineer

Tote

Cut React re-renders by 60% with caching and memo patterns. Designed AI workflows on Gemini with RAG and event-driven systems, and shipped an embedding service on a private CLIP model.

Aug 2023 — Jul 2024

Software Developer

CUBEX

C#/.NET backend automation that saved ~520 hours a year, deployed through Azure CI/CD with Bicep. Upgraded a decade-old frontend from Node 16 to 20 in ten days.

Nov 2021 — Apr 2023

Full-stack Software Engineer

Shotcall

Led iOS and Android development for 80% of users. Took video uploads from 10MB to 2GB+ with AWS MediaConvert and Lambda HLS pipelines across Java Spring, Python, and TypeScript React.

May 2019 — Oct 2020

Developer Advocate

Samsung Research America

Grew the Bixby Marketplace 700% in six months — from under 20 capsules to over 150 — through developer outreach and sample projects.

Feb 2019 — May 2019

Instructor

Code for fun

Taught 15+ hands-on workshops at K-12 schools, including a weekly game-development class for underprivileged kids.

2018 — 2019 · study

Computer Science

42 Silicon Valley

The peer-to-peer school — project-based CS, no teachers, no tuition. Also served as student ambassador.

Jul 2017 — Jun 2018

Product Analyst

RingCentral

Started as a PM intern, stayed as an analyst — used word-vector NLP on survey data to steer bug fixes and the product roadmap.

2015 — 2017 · study

Computer Engineering

De Anza College

Where the formal side of this story starts.