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Role
Who you are
- You have 3+ years of experience with system programming, preferably in Rust (C++ or similar)
- You have excellent computer science, programming, and algorithmic skills
- You care deeply about the quality, readability, observability, and testability of your code
- You proactively give technical direction to improve performance, prevent issues, optimise data usage, and refactor the codebase
- You are a team player, strong communicator, and gladly share your expertise with others
- You collaborate effectively with a remote-first team on a large, open-source codebase
- You are excited to explore and gain experience with Ethereum
- Itâs a plus if you bring:
- Understanding of the Ethereum blockchain ecosystem as well as understanding of general finance and/or game theory and mechanism design
- Experience with operating, maintaining, and architecting complex software systems
What the job involves
- Location: We are a fully remote team, and although we hire globally, there is a preference for this role to be based in Europe or remote +/4 hours CEST time
- Position: Full-time contractor
- We are looking for an enthusiastic, self-motivated 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.
- What you will do
- Develop new functionality for both our off-chain services (optimising transaction execution, scaling order throughput, increasing protocol decentralisation) as well as our APIs (price estimation & order placement, real-time blockchain state monitoring, server-client communication channels)
- 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 protocols
- Work closely with researchers and the product team to ship features and come up with new solutions for challenging technical problems
- Deliver high-quality code for features from concept until production (including state-of-the-art monitoring of our production systems)
- Help our engineering team maintain and improve the reliability of the existing features and join in the on-call rotation
- Give thoughtful and in-depth code reviews of your colleaguesâ contributions to our open-source codebase
- Our Tech Stack
- Backend Code: Rust, Tokio, Cargo, Git (https://github.com/cowprotocol/services)
- Infrastructure: Pulumi, AWS, Docker, Kubernetes, Grafana, Prometheus, Elasticsearch
- Other codebases: Typescript, Python, Solidity
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Company
Join CoW đŽherd!
26 employees
About the company
CoW Protocol is on a mission to create the fairest and most efficient venue for exchanging digital assets on all EVM-compatible chains. Since launching 2 and a half years ago, we have passed more than $26bn (yes, billion) in trade volume and become the 2nd most popular DEX Aggregator on the market -- aiming for #1 We are an ambitious, fast-growing, and international team working at the forefront of DeFi We believe that we can make markets both more efficient and fair by building the ultimate batch auction settlement layer across EVM-compatible blockchains CoW Protocol is the industry leader in protecting users from MEV, including frontrunning and sandwich attacks, which lose traders thousands of dollars every day. The protocol does this by matching trades peer-to-peer and leveraging batch auctions to circumvent MEV bots By joining us at this early stage, you will make fundamental decisions that will shape the course of the CoW Protocol
Benefits & perks
- Flexible work environment: Join our hub in Lisbon or work remotely
- Token plan: Have a stake in our mission and shape the future of CoW DAO
- Periodic gatherings: Enjoy opportunities to connect with the rest of the team through regular trips
- Conference allocation: Stay up-to-date with ecosystem advancements using our conference budget
- Learning budget: Use our learning budget to support your higher ambitions
- Hardware budget: Take advantage of a hardware budget for acquiring necessary equipment
- Make an impact: You are joining a startup where you can make a huge difference. Your work matters!
- Flat hierarchies mean fewer processes and bureaucracy see more of your ideas come to life!
- Flexible work and vacation times: Prioritize work-life balance through our robust flexible work policy and vacation allowance
- Growth: If you're someone who loves taking the initiative and getting things done, CoW offers lots of opportunities for your individual growth
Company Values
- Simplicity - Make it simple!
- Itâs all about keeping the product simple and straightforward to use and putting the spotlight on giving
- value without making things overly complicated. This mindset opens the way for fresh ideas, efficiency, and
- growth
- Impact - Drive it forward!
- We prioritize and continuously work to achieve impact. Focus for us is essential. We donât want to be
- distracted by things that do not drive us toward our goals
- Ownership - Just do it!
- We own our work no matter what role or seniority level we have. We feel responsible and accountable for
- things that go wrong, and we celebrate successes. We believe that taking ownership and empowering
- decision-making will lead us to success
- Team Spirit - Care!
- We work as one team and have one another's backs! We support and care about each other. Team spirit is
- evident as people willingly go beyond their own areas of responsibility to contribute to the company's
- success and provide their unique perspectives
Founders
Anna George, CEO Anna joined the Ethereum ecosystem full-time in 2017 after working for the United Nations as a Data Analyst. In 2017, she joined Gnosis as Business Development Lead, working on partnerships across Gnosisâ core product offerings. After 3 years, she decided to switch areas and focus fully on Gnosisâ decentralized exchange Felix Leupold, CTO Felix joined the Ethereum ecosystem full-time in 2018 after working on encrypted messaging infrastructure at Facebook for 3 years. He joined Gnosis the same year as an Engineer | Tech Lead and worked in the previous DEX