About Polymarket

Polymarket is the world’s largest prediction market platform. We enable individuals to express views on real-world events by trading on outcomes across politics, economics, sports, culture, and current affairs. Built as a peer-to-peer marketplace with no centralized “house,” Polymarket aggregates diverse opinions into transparent, market-based probabilities that reflect collective expectations about the future.

We're growing fast – both in terms of volume ($21B traded in 2025) and adoption as an alternative news source. Our ambition is to become a ubiquitous beacon of truth in global media and we need your help adding fuel to the fire.

About The Role

Polymarket is looking for a pragmatic and resourceful full-stack engineer to join our DeFi team. This role sits at the heart of how Polymarket operates. You'll own and evolve the systems that power every market we create and launch, while also building across the broader ecosystem of operational systems that keep a high-growth company running. Your primary focus will be the Markets Portal: the tooling, automation pipelines, and deployment infrastructure our team uses to bring new markets to life at scale. Beyond that, you'll touch a wide range of systems – from customer service APIs to operational workflows – that support the teams and processes behind our core product. This is a great opportunity for someone who wants real ownership, thrives on variety, and enjoys building things that have immediate, tangible impact.

What You'll Do

Own the Markets Portal. Build and evolve the systems used to create, configure, and launch markets – the engine that drives Polymarket's content and growth.
Build markets automation. Design and implement pipelines that streamline how new markets are researched, structured, deployed, and managed at scale.
Ship deployments end-to-end. Take features and improvements from concept to production, with real impact on how the business operates every day.
Work across a broad set of systems. Beyond the Markets Portal, you'll build and maintain a range of operational systems (APIs, dashboards, workflows) that support teams across the company and tie directly into the core product.
Work across the stack. Touch both frontend and backend code, using modern frameworks to solve practical problems quickly and cleanly.
Partner with operations teams. Work closely with the people using these systems daily: understand their workflows, gather feedback, and iterate fast.
Write clean, maintainable code. Build systems that scale as Polymarket grows, and help keep our codebase high quality through code reviews and engineering best practices.

What We're Looking For

1+ years of professional software development experience
Solid experience building full-stack web applications
Strong skills in TypeScript, JavaScript (ES6+), and CSS
Experience with React and Node.js (Next.js is a bonus)
A bias for action: you're comfortable shipping quickly and iterating based on real feedback
Comfort with ambiguity and context-switching: you can manage multiple systems and stakeholders without losing momentum
Great communication and collaboration skills: you enjoy working across teams to solve real problems
A passion for blockchain, decentralized finance, and freedom of speech
(Plus) Experience with workflow automation or deployment pipelines
(Plus) Background in fintech, crypto, or data-heavy applications
(Plus) Bachelor's degree in Computer Science or equivalent

Benefits

Competitive salary & equity
Unlimited PTO
Full Health, Vision, & Dental coverage
401k match
Hardware setup: new MacBook Pro, big display, & accessories

Polymarket

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