Selected work
A short list of products I worked on, in reverse chronological order. Descriptions are deliberately high level.
LLM and RAG features for startups — Pump and Arancia (2025–2026)
Front-end contractor shipping LLM- and RAG-backed features to production, using an agent-assisted development workflow. Stack: React, TypeScript, Node.js, AWS.
AI-agent platform — Dappier (2024–2025)
Built and owned the front end of a production AI-agent platform (content sources, analytics, pricing and payment methods), contributed to the Go API, and hardened an embeddable AI-agent widget to run across third-party sites. Stack: React, TypeScript, Go.
Website builder and e-commerce — GoDaddy (2024)
Front-end features for a website builder and e-commerce platform used by millions of merchants, including generative-AI assistance in the editing flow, with experiments measured through A/B tests and logging. Stack: React, TypeScript.
Distributed front-end team — Ender (2022–2023)
Led front-end development in a globally distributed team (React, TypeScript, Node.js, Express, AWS), with end-to-end testing in Playwright and CI integrations.
Ad-tech analytics reports — Foursquare (2021–2022)
Worked on large analytics reporting applications for advertisers (Ruby on Rails, Java, React), with CI/CD integration, focusing on making complex reports easier to read.
Public-sector ombudsman platform — Webnets (2017–2020)
Tech lead / full stack engineer owning the front-end architecture of a SPA/PWA used by about 210 public bodies across 14 Brazilian states, and mentoring around 15 engineers.