# Brian Krausz > Founder, early engineer, product leader Location: San Francisco, California, United States Profile: https://flows.cv/briankrausz ## Work Experience ### Software Engineer @ Stainless Jan 2025 – Present Come help me make APIs better! ### Member of Technical Staff @ Anthropic Jan 2023 – Jan 2025 | San Francisco, California, United States - Built much of Claude.ai for initial launch - Led infrastructure migration to consolidate internal and public APIs onto same infrastructure - Handled vendor negotiations for initial launch and scaling of public product: selected and secured infrastructure, fraud prevention, and dev tooling providers - Designed initial fraud pipeline to detect malicious prompts and users - Led work to make the API open-access, including a major rebuild of billing, rate limiting, and internal tooling ### Founder @ Kenchi Jan 2019 – Jan 2023 | San Francisco, California, United States ### Little Bit o' Everything @ Stripe Jan 2014 – Jan 2018 | San Francisco Bay Area - Built and re-launched Stripe Connect, one of their most successful business lines. Ran the team for 3 years. - Owned the new hire technical onboarding program, organizing classes and structure for hundreds of employees. - Ran API review for most of my tenure, overseeing the review and process for every public API change. - Rebuilt Stripe's internal API abstractions for better DX around versioning, parameter validation, static introspection, and self-documentation. Successfully encouraged teams to shard migration of every API endpoint to this new framework. - Built, along with a design partner, the original version of Stripe Home. ### Product Engineer @ Facebook Jan 2012 – Jan 2014 | Menlo Park In March 2012 the GazeHawk team joined Facebook: http://www.gazehawk.com/blog/gazehawk-team-joins-facebook/ ### Co-founder @ GazeHawk, Inc. Jan 2010 – Jan 2012 Founded Y Combinator-funded startup providing eye tracking technology using ordinary webcams. Raised significant seed round, hired 3 employees, ran web engineering and business development, closing significant (6 figure) contracts. ### Software Engineer - New Initiatives @ TripAdvisor Jan 2009 – Jan 2010 Worked in small team (< 5 devs) on flights metasearch product. Was lead developer on flights mobile site and worked closely with PMs to build out many innovative features in a Javascript-oriented environment (PHP server-side, about 50/50 code split). ### Consultant @ Self Employed Jan 2004 – Jan 2010 ### WebDev Engineer @ Mozilla Corporation Jan 2008 – Jan 2008 Interned with the Web Development team. Worked on support.mozilla.com, addons.mozilla.org, and Download Day. Completed redesign of primary Firefox support site. Helped orchestrate multi-million user emailing in under 4 hours. ### Technical Yahoo @ Yahoo! Jan 2007 – Jan 2008 Worked with Yahoo Real Estate team as an intern, was retained as a consultant for following school year. ### Software/IT Consultant @ Knowing Point, LLC Jan 2005 – Jan 2007 ### Website Developer @ Cerini & Associates, LLP Jan 2005 – Jan 2006 ### Volunteer Web Developer @ ICON Science Fiction, Inc. Jan 2004 – Jan 2006 ## Education ### Y Combinator ### BS in Computer Science Carnegie Mellon University ## Contact & Social - LinkedIn: https://linkedin.com/in/bkrausz - Website: http://gazehawk.com - Website: http://briankrausz.com --- Source: https://flows.cv/briankrausz JSON Resume: https://flows.cv/briankrausz/resume.json Last updated: 2026-04-05