> Markdown version of [/jobs/ext/39021-software-engineer-blockchain](https://www.wearedevelopers.com/jobs/ext/39021-software-engineer-blockchain). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Software Engineer, Blockchain

- **Company:** 1inch
- **Location:** UK (Remote available)
- **Contract:** Permanent contract
- **Skills:** Applications Architecture, Code Review, Continuous Integration, Distributed Systems, Routing, Open Source Technology, Blockchain, Software Engineering, Strategies of Testing, TypeScript, Software Vulnerability Management, Low Latency, Ethereum, Solidity, Web3.js, Blockchain Interoperability
- **Published:** May 30, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=7c217aee97866794

## About the Role

Do you have experience in TypeScript?, * Professional software engineering experience with a strong focus on blockchain development and decentralised systems

 * Strong understanding of Ethereum, EVM-based ecosystems, smart contracts, and decentralised application architecture
 * Hands-on experience developing with Solidity, Yul, Rust, and TypeScript
 * Experience working with Layer 2 scaling solutions, cross-chain infrastructure, or blockchain interoperability protocols
 * Strong understanding of smart contract security principles, testing methodologies, and vulnerability mitigation
 * Experience using modern blockchain development frameworks such as Foundry or Hardhat
 * Interest in or understanding of DeFi concepts including AMMs, liquidity pools, routing, or oracle integrations
 * Strong problem-solving skills and ability to work effectively in fast-paced engineering environments, * Experience contributing to open-source blockchain or Web3 projects
 * Familiarity with zero-knowledge technologies or rollup architectures
 * Experience building distributed systems or low-latency infrastructure
 * Understanding of blockchain infrastructure automation and deployment tooling
 * Experience working in high-growth startup or scale-up environments

## Description

At 1inch, our engineering needs evolve rapidly. We are constantly seeking exceptional Blockchain Engineers to join our mission. Even if we do not have an active vacancy matching your exact seniority today, we want to hear from you.

We look for engineers with a high-agency, "Get Stuff Done" mindset and an unrelenting passion for decentralised innovation.

As part of our blockchain engineering ecosystem, you will contribute to designing, developing, and optimising the smart contracts and underlying infrastructure powering 1inch. We value sophisticated problem-solvers who can navigate the lightning-fast shifts of the crypto landscape while executing securely at scale. Working alongside our product leads and world-class engineers, your commitment to open-source excellence will keep 1inch at the absolute cutting edge of DeFi., * Contribute to the design and optimisation of scalable, secure, and high-performance blockchain architectures

 * Develop, integrate, test, and maintain smart contracts and decentralised protocol components
 * Conduct technical research and support proof-of-concept initiatives for new blockchain and DeFi features
 * Contribute to cross-chain interoperability solutions, including bridging and atomic swap mechanisms
 * Improve execution efficiency and optimise smart contract logic for gas consumption and performance
 * Collaborate with engineering and security teams to identify vulnerabilities and strengthen protocol reliability
 * Participate in code reviews, testing, CI/CD workflows, and engineering best practices
 * Work closely with cross-functional teams to support successful product delivery and continuous improvement


## Related Videos

- [Smart Contract fundamentals - My first DApp](https://www.wearedevelopers.com/videos/52-smart-contract-fundamentals-my-first-dapp)
- [How to Build for Decentralized Systems](https://www.wearedevelopers.com/videos/931-how-to-build-for-decentralized-systems)
- [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch)
- [SSO with Ethereum and Next JS](https://www.wearedevelopers.com/videos/288-sso-with-ethereum-and-next-js)
- [Blockchain, NFT and smart contracts for my application](https://www.wearedevelopers.com/videos/877-blockchain-nft-and-smart-contracts-for-my-application)
- [Coffee with Developers - Shritesh Jamulkar](https://www.wearedevelopers.com/videos/895-coffee-with-developers-shritesh-jamulkar)

## Related Articles

- [The Best X (Twitter) Accounts for Developers](https://www.wearedevelopers.com/magazine/294-the-best-x-twitter-accounts-for-developers)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [7 tips on how to become a blockchain developer](https://www.wearedevelopers.com/magazine/53-7-tips-on-how-to-become-a-blockchain-developer)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [Dev Digest 159: AI Pipelines, 10x Faster TypeScript, How to Interview](https://www.wearedevelopers.com/magazine/563-dev-digest-159-ai-pipelines-10x-faster-typescript-how-to-interview)