Remote Senior Frontend Engineer (React.js/Web3)
CoW Protocol
About CoW Protocol
CoW Protocol is on a mission to create the fairest and most efficient venue for exchanging assets on all EVM-compatible chains. Since launching a year ago, we have passed $19bn (yes, billion) in trade volume and become the 2nd most popular DEX Aggregator on the market -- still aiming for #1. If you are a high-performing team player who wants to work on some of the most important problems in Ethereum (MEV protection, batch auctions, and more), we want to talk to you!
Location: Onsite or remote
Position: Full-time contractor
About the role
We are looking for an enthusiastic, self-motivated engineer to help us build the next generation of decentralized trading protocols. As a dedicated front-end hire, you will gain ownership of our existing web product suite and be able to influence the creation, design, and execution of future products. You will ensure a consistent, high-quality user experience across trading interfaces, data-heavy analytics pages, documentation portals, and more.
You will have the opportunity to work with us on this challenge in one of our existing co-working spaces in Berlin or Lisbon. Alternatively, you can join us as a remote employee and work from your hometown, where we can also provide membership for a local coworking space.
Our tech stack
Product code: Typescript, React, Redux, styled-components, Web3 development: Web3, ethersjs, Hardhat, Solidity, IPFS, TheGraph, ENSTesting: jest, cypress, React testing-library Analytic tools: Dune Analytics, Google Analytics
What will you do
- Develop CowSwap and other user-facing applications (e.g., the CoW Explorer) on top of CoW Protocol
- Rapidly implement new elements of the user experience with an eye toward performance, accessibility, and quality
- Know when to create abstractions vs. one-off features and when to leverage or contribute to the wider open-source ecosystem
- Shape the roadmap of CowSwap by contributing features as well as design ideas and helping to estimate and prioritize them with the team
- Push the boundaries of how decentralized a user interface can be. We deploy our products using the traditional hosted approach but also on IPFS/ENS and use other decentralized infrastructure providers (The Graph, Ethereum Nodes, etc.) to reduce our reliance on centralized APIs
Who you are
- You have 3+ years of experience developing professional client-side web apps
- You demonstrate strong software engineering skills that follow industry leading practices
- You have a thorough understanding of React.js’s core principles, experience with TypeScript, CSS and at least one popular state management library (Redux, MobX, React hooks)
- You know how to implement and maintain test suites for React applications
- You enjoy staying up-to-date & experimenting with React’s latest features and other trends in the ecosystem
- You are a team player, a strong communicator, and you love to share your knowledge with others
- You own your career trajectory, you are proactive and independent
It’s a plus if you bring:
- Understanding of the Ethereum blockchain and ecosystem, general finance and/or game theory, and mechanism design.
- Experience with architecting complex software systems
What we can offer you
- Flexible work environment: join one of our hubs in Berlin or Lisbon or work remotely with the option of joining a local coworking space
- Regular trips to reunite with the rest of the team
- Conference budget to keep up to date with the developments of the ecosystem
- Learning budget to support your higher ambitions
- Impact: you are joining a startup where you can make a huge difference. Your work matters!
We look forward to your application!
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