About Mangrove
Mangrove is a next-generation order book DEX where liquidity providers can post programmable offers. By linking arbitrary smart contracts to liquidity, Mangrove opens up a novel design space for DeFi infrastructure and composability. We're backed by top investors in the space and value expertise, creativity, autonomy, and deep technical curiosity.
We are looking for a Fullstack Blockchain Developer to join our core engineering team. The role is full-time, ideally based in Paris, but remote-friendly for the right candidate.
What you’ll do
As a Fullstack Developer at Mangrove, you will be responsible for building both frontend interfaces and backend services, and we mean it. This is a true fullstack role where you'll be central to the project's success, supporting Mangrove’s new CLOB-as-a-Service branch, which is already white-labelled by top-tier partners like Oxium, and backed by leading DeFi players.
You will:
- Build modular, performant frontends (React/Next.js) and cleanly integrate with backend and smart contracts
- Design and maintain backend services (Node.js/TypeScript) supporting complex trading logic
- Collaborate with smart contract engineers to bridge protocol mechanics with user-facing tools
- Develop and implement new strategies based on research insights
- Contribute to Mangrove’s technical and product direction
- Scale, monitor, test, and optimize production systems in a fast-paced DeFi environment
Requirements
- Solid full-stack Web3 dev (frontend + backend)
- DeFi and crypto power user, eager to learn
- Expert in React, TypeScript, and modern frameworks
- Skilled with EVM contracts using ethers.js, wagmi, or viem
- Experience with Hono, Ponder, and on-chain data indexing
- Built and shipped live DeFi products with real users
- Clean, tested code; autonomous and fast-paced mindset
- Fluent in English and partially available during CET hours
Nice to have
- Experience with smart contract development (Solidity)
- Passion for DeFi, trading, or low-level protocol design
What does Mangrove offer?
- Competitive salary + equity/tokens
- High-impact, full-ownership role
- Full autonomy to build and ship
- Work with a top-tier team, including PhDs and DeFi veterans
- Team retreats and conferences
- Shape the future of on-chain trading
How to apply
To ensure we evaluate your true skills and thinking, applications entirely generated by AI will not be considered.
We keep it simple:
- Apply – Send us your GitHub, portfolio, CV, or any project you're proud of
- Intro call – 20 minutes to get to know each other
- Technical test – Tailored to your full-stack Web3 skills
- Final interview – Meet the team and dive deeper
- Offer – Welcome to the team
📩 Send your application to
Links
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