Software Engineer, Blockchain

🕒 May 26

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1inch

WebsiteLinkedInAll Job Openings

51 - 200 employees

₿ Crypto

🌐 Web 3

Crypto • Web 3

1inch is a decentralized finance (DeFi) protocol and decentralized exchange (DEX) aggregator that finds the best token-swap rates by routing trades across multiple liquidity sources and blockchain networks. It offers routing algorithms, aggregation services, and related DeFi tools (wallets, liquidity protocols, and APIs) to help users and developers access optimal on-chain liquidity.

📋 Description

• Architecture & Scalability: Design and optimise robust blockchain product architecture, keeping scalability, security, and peak performance at the absolute forefront. • Smart Contract Lifecycle: Contribute to the end-to-end development, integration, and internal auditing of high-value smart contracts across decentralised protocols. • R&D and PoCs: Conduct advanced technical research and execute proof-of-concept (PoC) experiments to pioneer new features within the DeFi space. • Cross-Chain Innovation: Design and evolve cross-chain interoperability solutions, including atomic swaps and advanced bridging infrastructure. • Gas Optimisation: Deep-dive into execution efficiency, writing logic with a strong focus on gas preservation and low-latency performance. • Security & Audit Collaboration: Systematically analyse attack vectors, enforce ironclad security protocols, and collaborate directly with cross-functional teams to ensure flawless product launches. • Engineering Excellence: Champion rigorous code reviews, build effective CI/CD pipelines for Web3, and collaborate closely across the engineering ecosystem to scale our technical capabilities.

🎯 Requirements

• Proven Footprint: Professional software development experience, with a dedicated focus on production-grade blockchain engineering and decentralised architectures. • EVM & Protocol Mastery: Strong, native understanding of the Ethereum ecosystem, smart contracts, and the underlying mechanics of decentralized applications (dApps). • Language Proficiency: Deep hands-on experience developing with Solidity, Yul, or Rust. • Scaling & Infrastructure: Experience deploying to Layer 2 solutions (Optimistic & ZK Rollups) or manipulating cross-chain protocols. • Security Focus: A strong grounding in smart contract security principles, vulnerability mitigation, and testing methodologies.

🏖️ Benefits

• Pioneering Spirit: Work with a globally distributed, highly collaborative team that shaped the history of DeFi; from winning hackathons to launching one of crypto's most legendary retroactive governance token airdrops. • Impact & Autonomy: Join a fast-paced, supportive environment where fresh ideas are valued. If you have a vision, you will have the space and autonomy to pitch it and make it happen. • Competitive Compensation: Enjoy a competitive salary that matches your expertise, paired with a discretionary bonus scheme to reward your impact. • Flawless Hardware & Development: We set you up for success by fully providing equipment for your remote workspace, alongside a dedicated learning and development budget to support your professional growth. • True Flexibility & Industry Access: Take time when you need it with our unlimited paid time off policy. Plus, represent 1inch on the ground, with opportunities to be deployed to major international crypto events and hackathons as needed.