Overview 1inch is the DeFi ecosystem building financial freedom for everyone.
1inch products help users and builders trade, hold and track digital assets with security and an intuitive user experience.
We are looking for a Senior Blockchain Engineer with a Get Stuff Done mentality and a passion for innovation.
You will design, develop, and optimise smart contracts and blockchain infrastructure, balancing fast execution with high security and quality.
Location: We hire with a focus on Dubai and Europe.
For this role, candidates based in Dubai or working remotely within ±4 hours GST time are preferred.
Responsibilities - Design and optimise blockchain product architecture with a focus on scalability, security, and performance
- Lead development, auditing, and integration of smart contracts within decentralised protocols
- Conduct technical research and PoCs, implementing best practices in blockchain development
- Develop and improve cross-chain interoperability solutions (cross-chain swaps, bridges)
- Design and develop efficient algorithms with a focus on gas optimisation
- Define and implement CI/CD processes for blockchain development
- Analyse and address potential attack vectors and ensure security best practices
- Monitor emerging blockchain, Web3, and crypto technologies
- Perform rigorous code reviews, mentor developers, and enforce best practices in blockchain engineering
- Collaborate with auditors and cross-functional teams to ensure successful product launches
Requirements - 7+ years of software development experience, including 3+ years in blockchain engineering
- Deep understanding of blockchain ecosystems, smart contracts (Solidity, Yul, EVM), and dApps
- Hands-on experience with Ethereum, Layer 2 solutions (Optimistic & ZK Rollups), and cross-chain protocols
- Proven track record in technical leadership, architectural decision-making, and mentoring teams
- Strong background in blockchain security and smart contract audits
Skills - Solidity, Yul, Rust, TypeScript
- Smart contract development and deployment frameworks (Foundry, Hardhat)
- Understanding of DeFi protocols, AMMs, liquidity pools, and oracle integrations
- Blockchain security principles and auditing methodologies
- Experience in building high-performance distributed systems
Why you’ll love working with us - Join a young, creative team in a fast-paced, supportive environment
- Open to new ideas — pitch your vision
- Competitive pay aligned with skills and experience
- Be part of shaping the future of DeFi
- Unlimited vacation days
- Fully compensated for work gear to set you up for success
- Annual team retreats at top international locations
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