Staff Backend Engineer (Rust)

France · Germany · Remote · United KingdomPosted Apr 18, 2025
Staff Backend Engineer (Rust) LocationRemote; France; Germany; Portugal; United KingdomEmployment TypeFull timeLocation TypeRemoteDepartmentEngineering BackendAbout CoW DAOCoW DAO is on a mission to build the most robust, user-protective, and efficient trading infrastructure in DeFi. We are the creators behind CoW Protocol (the engine behind CoW Swap). Operating as a dominant player in DeFi, CoW Protocol recently crossed a massive milestone of over $200 Billion in lifetime trading volume and consistently ranks as a top-two DEX aggregator by market share.Through combinatorial batch auctions, a competitive network of "solvers," and our unique Coincidence of Wants (CoW) matching engine, we protect traders from MEV bots and secure the absolute best execution prices on the market.Learn moreAbout the roleLocation: We are a fully remote team, and although we hire almost globally, there is a preference for this role to be based in Europe or remote +/- 4 hours CEST timePlease note we’re not hiring from the US, Australia, or New Zealand Position: Full-time contractor We are looking for an enthusiastic, motivated Staff Backend Engineer to help us build the next generation of decentralised trading protocols. As a dedicated backend engineer, you will gain ownership of our existing backend services and influence the creation, design, and execution of future features and products. You will work on technically challenging aspects of our off-chain services and our developer-facing APIs and help ensure the delivery of reliable and performant features to improve CoW Protocol.Our Tech StackBackend Code: Rust, Tokio, Cargo, Git (https://github.com/cowprotocol/services)Infrastructure: Pulumi, AWS, Docker, Kubernetes, Grafana, Prometheus, ElasticsearchOther codebases: Typescript, Python, Solidity What you will doArchitect and design our off-chain services (core auction protocol as well as the orderbook) to support feature growth and the rapidly changing requirements that come from being an application on a constantly evolving blockchain.While your focus will be writing concurrent backend systems in Rust, you will also interact with our Smart Contracts written in Solidity and develop your understanding of auction mechanisms and DeFi protocolsParticipate in our on-call rotation to help ensure the reliability of our production systems (on-call work is additionally compensated)Work closely with researchers and the product team to ship features and come up with new solutions for challenging technical problemsDeliver high-quality code for features from concept until production (including state-of-the-art monitoring of our production systems)Give thoughtful and in-depth code reviews of your colleagues’ contributions to our open-source codebase Who you areYou have 8+ years of production experience with systems-level programming languages, with at least 3+ years of hands-on production experience using RustYou have practical experience working in web3 (ideally in DeFi and the Ethereum ecosystem)You have excellent computer science, programming, and algorithmic skillsExperience with operating, maintaining, and architecting complex software systemsYou care deeply about the quality, readability, observability, and testability of your codeYou proactively give technical direction to improve performance, prevent issues, optimise data usage, and refactor the codebaseYou are a team player, strong communicator, and gladly share your expertise with othersYou collaborate effectively with a remote-first team on a large, open-source codebaseIdeally, someone senior who can mentor colleagues and provide direction.You are excited to explore and gain experience with Ethereum What we can offer youFlexible work environment: Join our hub in Lisbon or work remotelyToken plan: Have a stake in our mission and shape the future of CoW DAOPeriodic gatherings: Enjoy opportunities to connect with the rest of the team through regular tripsConference allocation: Stay up-to-date with...

Want jobs like this matched to you?

Swoopd scores fresh postings against your résumé so you only see the matches that matter.

Get started free