XO.Market is reimagining prediction markets with a cutting-edge unbounded AMM model. Our platform enables users to trade event outcomes seamlessly, blending social engagement with market-driven incentives. Backed by strong Web3 foundations and partners like Gnosis, we are building a fair, transparent, and scalable prediction marketplace. We're looking for a Full Stack Developer to drive the development of our platform, from backend and contract integrations to front-end interfaces. If you thrive in fast-moving environments, love solving complex challenges, and want to build a decentralized future—let’s talk. We are looking for an experienced full-stack developer to help us deliver the best prediction market experience in web3! Must have: Next.js Node.js JavaScript or TypeScript experience in Agile methods Extremely nice-to-have: Blockchain Knowledge Smart contract integration experience (Solidity) Web3j, etherjs experience. What You'll do Develop & Scale XO.Market’s MVP – Own the end-to-end development of our platform, ensuring smooth user experience and high performance. Blockchain Integration Smart Contract Interaction – Implement secure on-chain logic, interacting with Solidity-based contracts via web3.js/ethers.js. Back-End Development – Build and optimize APIs, databases, and microservices using Node.js, PostgreSQL, and GraphQL. Front-End Development – Design and develop a fast, engaging UI using React (Next.js), TailwindCSS, and Framer Motion. Security & Scalability – Ensure high security standards, implementing best practices for data privacy and Web3 security. Collaborate with Product & Design Teams – Translate business needs into technical solutions, working closely with UX/UI designers. Optimize Performance – Improve load times, transaction efficiency, and system reliability. Stay Ahead in Web3 – Research emerging technologies, scalability solutions (e.g., ZK-rollups, Celestia DA), and the latest trends in on-chain trading. Why Join XO.Market? Build Something Disruptive – Work on a pioneering unbounded AMM model in prediction markets. Remote & Flexible – We’re globally distributed, working async when needed. Competitive Compensation – Salary + equity/token incentives. Tech Freedom – Work with cutting-edge blockchain infra & tooling. Impact-Driven Team – Small, high-caliber team with deep Web3 expertise. Fast Growth & Learning – Be at the forefront of Web3 finance, DAOs, and decentralized prediction markets. Drop us an email at [email protected] with: Your GitHub, LinkedIn, and/or portfolio A quick note on why XO.Market excites you Any relevant projects you've worked on Job Type: 100% Benefits: Long-term profit-sharing plan Schedule: 8 Hour Shift Monday to Friday Application Question(s): What is your expected yearly salary? Experience: React: 3 years (Required) Node.js: 3 years (Required) Work Location: Remote