AI Feature Engineering
LLM features, prompt flows, API integrations, RAG, and user-facing AI workflows.
Hub pessoal ? Produtos de IA ? Engenharia de software
Disponível para trabalhos selecionados de IA/produto.
Construo produtos privacy-first e ferramentas de IA aplicadapara transformar ideias em produtos.
Minha base para produtos lan?ados, estudos de caso t?cnicos, notas, experimentos e formas de trabalhar comigo.

Builder notes
I work with founders and small teams, ship my own products, and publish the decisions behind the work.Estudos de caso
Builds selecionados com pensamento de produto, arquitetura, decis?es de UX e execu??o.

Local-first focus blocker with payment activation and behavior-aware friction.
Ver estudo de caso
Privacy-first browser analytics that turns local activity into readable insight.
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A side-panel note tool designed to capture thoughts before context switching wins.
Ver estudo de casoEscolha o caminho que combina com o que voc? precisa hoje.
Try privacy-first tools for focus, notes, AI, and everyday workflows.
Browse productsSee case studies, architecture decisions, and proof of shipping.
View case studiesFor founders and small teams who need AI features, Chrome extensions, or clean MVP execution.
View servicesLessons from building products, learning AI engineering, and improving as a founder.
Read notesServi?os
Engenharia focada para founders, startups e equipes pequenas.
Projetos a partir de US$2.000 ? consultoria a partir de US$150/hLLM features, prompt flows, API integrations, RAG, and user-facing AI workflows.
Manifest V3 extensions, local-first storage, dashboards, paywalls, and Chrome Web Store launch.
Scope, system design, technical risk review, performance, cost, and launch planning.
Produtos
Uma vis?o compacta das ferramentas, experimentos e produtos lan?ados que estou criando.
Veja para onde vão suas horas no navegador. 100% local.
Done-for-you B2B lead research. Name, role, company, LinkedIn, website, fit summary, and outreach angle — delivered as a CSV.
Take notes without leaving your tab. One click. Side panel. 100% local.
Your browser has zero friction. ResistGate adds it back.
Notas
Notas t?cnicas, li??es de produto e reflex?es honestas ao lan?ar ferramentas reais.
A practical comparison of ResistGate and Cold Turkey for people choosing between strict website blocking and lighter, privacy-first friction.
Ler notaWhy privacy-first time tracking should keep sensitive activity data on device, and how local-first product design changes trust.
Ler notaHow to send typed messages between popup, background service worker, and content scripts in a Chrome extension — with discriminated unions and async patterns.
Ler notaColaborar
Envie a ideia, o gargalo ou o workflow bagun?ado. Eu ajudo a clarear o pr?ximo passo ?til.