Doug Safreno

Doug Safreno

Software engineer and entrepreneur in San Francisco. Passionate about coding, food, board games, and the NBA. Proud ice cream tester for @hieesuh.

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Experience

Anthropic
Member of Technical Staff
Apr 2026 - present

Gentrace
Co-founder, CEO
Sep 2022 - Dec 2025

Pragli (Pesto)
Co-founder, CEO
Apr 2019 - Sep 2022

Avi Networks (via acquisition)
Tech Lead Manager
Sep 2017 - Apr 2019

StacksWare
Co-founder
Jan 2015 - Sep 2017

Asana
Software Engineering Intern → Contractor
Jul 2014 - Jan 2015

Palantir
Product Engineering Intern
Jun 2013 - Aug 2013

Groupon
Software Engineering Intern
Jun 2012 - Aug 2012

Stanford University
BS in Computer Science
Aug 2011 - Jun 2015

Projects

Gentrace (codebase) - Dec 2025

Experimenting with web graphics - Oct 2022

Firebase as a React hook - Jan 2020

How we use Firebase instead of Redux (with React) - Sep 2019

Live avatars (like animoji in the browser) with face-api.js - Aug 2019

Writing

Unfair advantages - a framework for building LLM-as-a-judge evaluations that reliably work - Nov 2024

How to test for AI hallucination - Jan 2024

How to test RAG systems - Jan 2024

Solving Next.js error "Hydration failed because the initial UI does not match what was rendered on the server" - Oct 2022

How to effectively take calls in a loud room - Jun 2021

The case for video off - Aug 2020

Fixing high usage with Firebase real-time database - Aug 2020

Loneliness is distracting - Mar 2020

Asynchronous communication is also distracting - Feb 2020

The 6 categories of remote teams - Jan 2020

Include your remote team with “Brady Bunch” video conferencing - Nov 2019