Principal Distributed Systems Architect

Joe Barrera is a highly experienced Distributed Systems Architect with 30 years of building infrastructure at institutions like CMU, Microsoft Research, and Google. He specializes in helping Series A-C startups (10-100 people) prevent and resolve catastrophic scaling mistakes, preferring proactive solutions over reactive debugging. His notable achievements include work on the Mach kernel at CMU, research systems at Microsoft BARC, and 9 years on F1/Spanner at Google, holding 4 USPTO patents in distributed systems. He excels at identifying and fixing database architecture flaws at scale, triaging technical debt with limited resources, and leveraging decades of experience to recognize patterns in system failures. Currently, he is exploring LLM verification architectures. Joe is seeking fractional CTO or senior advisory roles (20-30 hrs/week) with startups facing significant infrastructure challenges.