Senior Software Engineer Predict
MetaMask is an active Consensys-developed self-custodial crypto wallet and onchain finance platform available through browser extensions and mobile apps.
Maintainer signals as of 9/25/2026
Projects
About MetaMask
MetaMask provides self-custodial digital-asset management and access to decentralized applications. Its current platform includes wallet functionality, token swaps, trading, payments, earning, MetaMask Card, security features, Snaps, Agent Wallet, and developer tooling. MetaMask is a Consensys product and brand rather than an independently evidenced legal entity.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will build front-end components and user experiences for prediction market interactions across MetaMask clients. You will develop backend services and APIs for real-time market data, user positions, and transaction signing, integrate securely with on-chain prediction-market protocols, and optimize performance and security for real-time data and high-volume transactions.
Requirements
- 3+ years of experience with mobile-based technologies
- 3+ years of experience building websites or applications
- React
- React Native
- JavaScript
- TypeScript
- Blockchain fundamentals
- Web3 integration
- Cross-platform and browser compatibility
- API and middleware services
- Agile development
- Clean code practices
- Testing
- Coding standards
- Web security knowledge
Responsibilities
- Design and implement front-end components and user experiences for prediction market interactions
- Develop backend services and APIs for real-time market data, user positions, and transaction signing
- Integrate with on-chain prediction market protocols
- Optimize the performance and security of Predict features
- Handle real-time data feeds and high-volume transaction throughput