Rafael Miller
Founding Engineer at Firecrawl
São Paulo, Brazil
Summary
🤩
Rockstar🎓
Top SchoolRafael Miller is a founding engineer and full-stack leader with nearly a decade of experience building scalable web and data systems, currently shaping an open-source crawler optimized for LLM pipelines at Firecrawl. He has founded and scaled a fast-growing edtech startup (56k MAU, 200k downloads) where he architected serverless AWS infrastructure, introduced TypeScript and TDD, and cut bug-fix and onboarding times through engineering process changes. Rafael blends hands-on frontend work with Next.js/React and backend orchestration using Express.js and BullMQ, while also leading cross-functional teams of engineers and data scientists on high-impact consulting projects. His background in physics (MSc, Universidade de São Paulo) informs a data-driven approach to product and ML integrations, including GPT-4–powered essay feedback and production ML pipelines at Neomove. He is active in open-source community stewardship—reviewing contributions and iterating on feedback—to keep products aligned with real user needs. Based in São Paulo, he pairs entrepreneurial instincts with a track record of delivering cost-effective, production-grade systems for both startups and large enterprises.
2 years of coding experience
8 years of employment as a software developer
University of São Paulo
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (36)
markdown10
web-crawler10
chatgpt10
data-collection10
python10
langchain10
content-extraction10
scrape10
scraper10
open-source10
typescript10
context-api10
large-language-models10
webscraping10
llm10
Programming languages (6)
Github contributions (5)
firecrawl/firecrawl-go
Aug 2024 - Aug 2025
Contributions:5 releases, 1 review, 11 PRs in 11 months
firecrawl/firecrawl-go-examples
Aug 2024 - Mar 2025
Contributions:1 PR, 3 pushes, 1 branch in 7 months
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