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At Symbiotic, we are building a permissionless shared security primitive that empowers network builders to shape and personalise their unique restaking implementation. Our goal is to minimise risks while maximising freedom for all you wonderful builders of crypto infrastructure networks. We have a robust developer-centric proposition and we can’t wait to share it with everyone.
You can find more information about what we’re building and how we’re doing it in our docs.
We’re a tight-knit team of experienced individuals at the forefront of crypto infrastructure. Our backgrounds range from security auditing and smart contract development to node operation, and we’re supported by Paradigm and CyberFund.
We’re on the hunt for talented professionals to join our mission and strengthen our awesome team.
We are seeking a Senior Smart Contract Engineer to work on our existing smart contract codebase, including core contracts, core extensions, and middleware SDK, as well as develop new upcoming modules.
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.
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, already backed by several top-tier partners.
We keep it simple:
Send your application to email.
Mangrove is committed to fostering a diverse and inclusive work environment. We encourage all types of profiles to apply and do not discriminate on the basis of race, national origin, religion, gender, sexual orientation, marital status, disability, social origin, or age.
Today, more than 20 industries are already being positively shaped by this next generation of apps built on the peaq network. This is an opportunity to join a team of performance-driven entrepreneurs, engineers, and creatives, on a mission to unlock the Age of Abundance.
We’re looking for a skilled and detail-oriented Full Stack Developer to join our tech team and help build products that meet the highest quality standards and contribute to an exceptional user experience.
Responsibilities
Develop and maintain Web3 applications using Next.js (frontend) and Node.js (backend).
Build decentralized applications (dApps) that integrate with smart contracts.
Work with Ethereum, Polygon, and other blockchain networks to interact with smart contracts using Web3.js, Ethers.js, or Viem.
Implement and integrate ERC-20, ERC-721 (NFTs), and ERC-1155 token standards.
Optimize frontend and backend performance for scalability, security, and usability.
Build robust APIs and services using RESTful APIs and GraphQL.
Collaborate with blockchain engineers, designers, and product teams to create seamless user experiences.
Write clean, modular, and well-documented code following SOLID principles and Web3 best practices.
Stay updated with the latest trends in Web3, blockchain development, and smart contract integration.
Basic Qualifications & Requirements
3+ years of experience as a Full Stack Developer.
Proven experience working with JavaScript & TypeScript.
Some experience working with Next.js, React.js, and Node.js for full stack development.
Hands-on experience with blockchain and Web3 development.
Proficiency with Web3.js, Ethers.js, or Viem to interact with smart contracts.
Understanding of Ethereum Virtual Machine (EVM), Solidity, and smart contract development.
Experience working with ERC-20 tokens, NFTs (ERC-721, ERC-1155), and DeFi protocols.
Backend experience with Express.js, Nest.js, or similar frameworks.
Familiarity with IPFS, The Graph, Moralis, or Alchemy for blockchain data access.
Strong understanding of security best practices in Web3 applications.
Experience with databases such as PostgreSQL, MongoDB, or Firebase.
Version control with Git/GitHub and CI/CD pipelines.
Preferred Skills & Experience
Experience with Solidity and smart contract development.
Familiarity with Layer 2 solutions (Arbitrum, Optimism, zkSync, etc.).
Knowledge of DeFi, DAOs, or NFT marketplaces.
Understanding of decentralized storage solutions (IPFS, Arweave, Filecoin).
Experience working with Python for blockchain data processing.
Cloud services expertise (AWS, GCP, Azure).
Remote first. You’ll be joining a team working from all over the world.
Flexible working arrangements. Create your own journey with flexible working schedules and locations.
The opportunity to build and contribute to high-impact projects in a new industry that will positively shape the lives of hundreds of millions of people.
High growth potential. Room to grow professionally, while learning new skills and working at the cutting edge of the decentralized Machine Economy.
A warm and open culture at an international organization with team members from all four corners of the globe.
An environment that values autonomy, team spirit and open communication.
We look forward to building the future with you.
Apply Now:
We’re looking for a Front-End Developer to join our team as we bring Cork to market and build out the product and developer ecosystem. This role is ideal for a developer who is not only skilled in front-end engineering and Web3 development but also has experience in designing onboarding funnels, managing product analytics, and building compelling data displays to optimize user activation, conversion and retention.