Guy Thomas

Engineering Manager

Sigma Computing • New York, NY

Oct 2024 - Present

Lead 2 teams of 10 engineers delivering 0-1 products and scaling legacy systems
Grew product ARR 10x YoY ($1M to $10M); launched revenue stream generating $1M+ in 6 months
Hands-on contributor to critical features; promoted 2 engineers
2 patents pending for novel data exploration in pivot tables and query optimization

Instacart • San Francisco, CA

Jan 2022 - Feb 2024

Led 9 engineers building content and targeting platform powering thousands of experiments
Architected A/B testing infrastructure for marketing campaigns, enabling self-serve workflows
Grew team from 5 to 9 engineers; developed 1 to promotion with zero regrettable attrition

Instacart • San Francisco, CA

May 2021 - Jan 2022

Led 5 engineers building promotional awareness framework, increasing campaign visibility 40%
Collaborated with Growth and Ads teams to integrate promotions into core shopping experience

Lyft • San Francisco, CA

Apr 2019 - May 2021

Led team of 4 engineers building insurance claims platform (React/TypeScript/Python) processing 10,000+ claims annually
Owned technical roadmap and architecture decisions for the claims adjudication workflow
Mentored 2 junior engineers; both promoted within 12 months

Reflektive • San Francisco, CA

Jun 2017 - Jan 2019

Built React/Redux performance management flows used by 500+ enterprise customers

IBM • New York, NY

Jul 2014 - Jun 2016