Senior Software Engineer – Predict

MetaMask

. Build core infrastructure and user-facing features integrating Prediction Markets into the MetaMask platform .

Posted 10/6/2026full-timeRemote • United States, CanadaSenior💰 $156,884 - $220,520 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building scalable backend services and user-facing features for prediction markets, with a strong focus on React, React Native, and modern JavaScript. Proficient in ensuring secure integration with blockchain protocols and optimizing application performance.

Highest-signal resume keywords

React DevelopmentReact Native DevelopmentModern JavaScript (ES6/TypeScript)API DevelopmentBlockchain Fundamentals

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentFrontend DevelopmentAPI IntegrationClean Code PracticesAgile DevelopmentWeb-Based SecurityCross Platform CompatibilityReal-Time Data HandlingTransaction SigningUser Experience Design

Tools & Technologies

MetaMaskPrediction MarketsMiddleware Services

Industry Keywords

Web3 IntegrationMobile-Based TechnologiesHigh-Volume Transaction Throughput

Tech Stack

Tools & technologies

JavaScriptReactReact NativeTypeScriptWeb3

About the role

Key responsibilities & impact

Build core infrastructure and user-facing features integrating Prediction Markets into the MetaMask platform
Design and implement front-end components and user experiences for prediction market interactions across MetaMask clients
Develop robust and scalable backend services and APIs to fetch real-time market data, manage user positions, and facilitate transaction signing
Ensure seamless and secure integration with on-chain prediction market protocols
Optimize Predict feature performance and security
Handle real-time data feeds and high-volume transaction throughput

Requirements

What you’ll need

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
Applicants may be required to submit to background and identity verification checks, including employment, education, and criminal record checks
Candidates must not be based in France, Italy, or Germany

Benefits

Comp & perks

High trust and autonomy
Collaboration, communication and camaraderie among teams and teammates
Career growth and learning opportunities
Remote-first work environment
Equal opportunity employment
Human review of AI-assisted recruitment decisions