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# Senior Blockchain Engineer - Remote & High-Impact Defi

- **Company:** 1Inch
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Open Source Technology, Blockchain, Software Engineering
- **Published:** July 29, 2026
- **Apply:** https://www.buscojobs.com.es/senior-blockchain-engineer-remote-high-impact-defi-en-madrid-ID-364384471

## About the Role

1inch is seeking a Senior Blockchain Engineer to drive innovations in decentralized finance.
The ideal candidate will lead the design and optimization of smart contracts, ensuring performance and security in a fast-paced environment.With at least 7 years in software development and 3 years in blockchain, you'll work closely with the team, contributing to open-source excellence while mentoring junior developers.

## Description

1inch is seeking a Senior Blockchain Engineer to drive innovations in decentralized finance.The ideal candidate will lead the design and optimization of smart contracts, ensuring performance and security in a fast-paced environment.With at least 7 years in software development and 3 years in blockchain, you'll work closely with the team, contributing to open-source excellence while mentoring junior developers.Enjoy a competitive salary, unlimited vacation, and the flexibility to work remotely or attend major international events.#J-*****-Ljbffr


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