Raphael Costa speaking on stage

Raphael Costa

Product / AI Engineer

I build AI-native products and the software platforms behind them.

Currently building at Crosscheck. Over 18+ years, I’ve worked as a founding engineer, product leader, and founder across workflow software, developer platforms, and AI agents.

Brazilian · SF Bay Area · U.S. O-1 extraordinary ability visa

Experience

Crosscheck

Crosscheck

Founding Software Engineer

Building supply-chain compliance workflows, internal GTM AI agents, GTM intelligence, and CRM tooling; working with customers including TÜV SÜD Germany and Cargill Ukraine to shape product and agent behavior from field feedback.

Gumroad

Gumroad Helper

Senior Software Engineer

Worked on Gumroad’s open-source Ruby on Rails product and led Helper, an AI-agent support product handling more than 28,000 conversations each month.

Pipefy

Pipefy Pipefy AI

Founding Engineer → Principal Engineer / Technical PM

Built the Rails core product, public GraphQL API, Apps platform, and Pipefy AI; worked with enterprise customers including Accenture, Capgemini, Santander, and Itaú to turn implementation feedback into roadmap.

ateliware, Sage, HSBC

Full-stack Engineer

Built Ruby on Rails products at ateliware and Sage, alongside APIs, ecommerce systems, and enterprise software across startup, agency, and banking teams.

Founder programs

Education