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MetaMask is a self-custodial crypto wallet and web3 platform that connects people with blockchain applications. Through its browser extension and mobile app, users can manage digital assets and access decentralized services, with tools for buying, selling, staking, and bridging crypto tokens. Operating across crypto, web3, and fintech, MetaMask supports more than 100 million users worldwide as they interact with the decentralized web while maintaining control of their assets.
Senior Software Engineer, Prediction Markets — MetaMask (Remote, United States)
Build prediction-market infrastructure and product experiences for MetaMask’s self-custodial Web3 wallet. Create secure APIs, real-time integrations, and transaction-signing workflows.
Canada
United States$156,884 – $220,520 / year
RemoteFull-timeSeniorEnglish RequiredFull-stack EngineerSoftware EngineerDescription
- Develop foundational infrastructure and customer-facing capabilities that bring prediction markets to MetaMask.
- Create front-end components and interaction flows for prediction-market features across MetaMask clients.
- Build scalable backend services and APIs for live market data, position management, and transaction signing.
- Integrate on-chain prediction-market protocols with a focus on reliability and security.
- Improve the performance and security of the Predict feature.
- Process real-time data streams and support high-volume transaction activity.
Requirements
- At least 3 years of experience with mobile-focused technologies.
- At least 3 years of experience developing websites or applications.
- Hands-on experience with React and React Native.
- Strong command of modern JavaScript, including ES6 and TypeScript.
- Understanding of blockchain fundamentals and Web3 integrations.
- Working knowledge of cross-platform and cross-browser compatibility.
- Experience developing with APIs and middleware services.
- Experience contributing within an agile engineering team.
- Background building clean, tested applications that follow established coding standards.
- Understanding of security considerations for web-based applications.
- Willingness to complete background and identity verification checks covering employment, education, and criminal records if required.
- Must not be located in France, Italy, or Germany.
Benefits
- A high-trust role with substantial autonomy.
- A collaborative team culture centered on communication and camaraderie.
- Opportunities for professional development and continued learning.
- A remote-first working model.
- Equal opportunity employment.
- Human review of decisions supported by AI in the recruitment process.
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