Senior Software Engineer - Predict

About MetaMask

MetaMask aims to create a thriving engineering organization that supports the well-being of our engineers while empowering them to do work they are proud of and enjoy. We strive for an environment that gives our people high trust and autonomy, while also facilitating collaboration, communication and camaraderie among teams and teammates. We aspire to build a diverse engineering team, inclusive to people from all backgrounds and demographics. It is also of great importance to us that working at MetaMask is an experience that catalyzes career growth and learning.

What you’ll do

This role is specifically within the Predict team, which is focused on integrating Prediction Markets directly into the MetaMask platform. As a Senior Software Engineer on this team, you will be instrumental in building the core infrastructure and user-facing features that enable millions of users to engage with prediction markets securely and intuitively within their wallet.

Designing and implementing the front-end components and user experience for prediction market interactions across MetaMask clients.

Developing robust and scalable backend services and APIs to fetch real-time market data, manage user positions, and facilitate transaction signing.

Ensuring seamless and secure integration with on-chain prediction market protocols.

Optimizing the performance and security of all Predict features, handling real-time data feeds and high-volume transaction throughput.

Requirements

3+ years working with mobile-based technologies

3+ years building websites and/or applications

Experience with React and React Native

Strong knowledge of modern Javascript (ES6/TypeScript/etc.)

Familiarity with blockchain fundamentals and Web3 integration

Working knowledge of cross platform/browser compatibility

Experience working with APIs and middleware services

Experience working in an agile development team

Experience developing applications with clean code practices, testing, and adherence to coding standards

Understanding of web-based security considerations

Would be great if you brought this to the role

Experience with prediction markets, token trading and/or sports betting

Experience with DeFi protocols, especially prediction markets

Knowledge of financial products in the digital space

Interest in blockchain technologies and Web3

Basic understanding of cryptography principles

Experience working in distributed teams

Previous experience working in Web3

Familiarity with the Web3 wallet ecosystem

Experience with performance optimization

Don't meet all the requirements? Don't sweat it. We’re passionate about building a diverse team of humans and as such, if you think you've got what it takes for our chaotic-but-fun, remote-friendly, start-up environment—apply anyway, detailing your relevant transferable skills in your cover letter. While we have a pretty good idea of what we need, we're ready for you to challenge our thinking on who needs to be in this role.

The salary range listed for this role applies to US-based candidates only. Compensation for candidates based outside the US (including Canada, EMEA, and LATAM) will be determined based on location, experience, and skills during the interview process, and may differ from the listed US range.

US pay range (not including bonus, equity or other benefits)

$156,884—$220,520 USD