Daniel Esteban Ramirez Chiquillo
hi@danielrachi.com | danielrachi.com | github.com/danielrachi1
Ethereum developer and researcher with open-source contributions to Lighthouse, Reth, and Foundry. Former Ethereum Protocol Fellow. Experienced in turning complex protocol research into clear articles, talks, and community resources. Passionate about bridging developers and ecosystems through education and advocacy.
Professional Experience
- Ethereum Foundation — Protocol Fellow (Remote, Aug–Nov 2023)
- Researched lightweight validator designs using the Portal Network.
- Published technical articles and delivered talks at Devconnect 2023.
- Collaborated with EF's Trin team and other protocol developers to refine validator research.
Open Source Contributions
- Lighthouse (Rust, Ethereum consensus): PR list
- Reth (Rust, Ethereum execution): PR list
- Foundry (Rust, dev toolkit): PR list
Publications
- Engine API: A Visual Guide (19k+ views)
- Lighthouse Beacon Node Startup
- More articles: hackmd.io/@danielrachi
Talks
- Staking Without Execution Clients, Ethstaker Gathering 2023, Istanbul
- Portal Network Validator, EPF Day 2023, Istanbul
Community Involvement
- Lead Translator (volunteer), Optimism (2022–2024): Translated and reviewed Spanish-language docs to expand accessibility.
Education
- B.Sc. Mechatronics Engineering, National University of Colombia (2025)