Backend Engineer, Markets
Polymarket2 months ago
New York, NY, USAEntry Level / Mid Level
Responsibilities
- Build and maintain automation pipelines for market creation, parameter configuration, and lifecycle updates across thousands of concurrent markets.
- Integrate sports APIs, news feeds, and other external data sources that support market creation and resolution.
- Design reliable, idempotent pipelines with safe reruns, monitoring, alerting, and fast failure detection.
- Contribute to data-driven systems that resolve markets accurately and on time.
- Debug production failures across markets infrastructure, often under time pressure with senior support available.
- Review code and participate in engineering design discussions.
- Own well-scoped pipelines end-to-end and progressively take on broader ownership.
Requirements
- 1–4 years of professional backend engineering experience, or equivalent evidence such as strong internships combined with serious personal projects.
- Strong proficiency in at least one of TypeScript, Python, or Go, with the ability to work in the others.
- Hands-on experience integrating third-party APIs and handling inconsistent, delayed, or poorly documented data.
- Evidence of shipping running production jobs, public repositories with real code, or active personal projects.
- Comfort using AI-native development tools such as Claude Code, Codex, or Cursor.
- Comfort with Linux and cloud tooling, or a demonstrated ability to learn infrastructure quickly.
- Experience with queues, Kafka, RabbitMQ, or workflow engines is a plus.
- Personal projects using Polymarket, Kalshi, or other prediction market APIs are a plus.
- Interest in prediction markets, sports, or trading is a plus.
Benefits
- Unlimited PTO.
- Full health, vision, and dental coverage.
- 401(k) match.
- New MacBook Pro, large display, and accessories.
- Equity is offered, but no compensation figures are stated.
Tech Stack
Categories
About Polymarket
Polymarket operates an online prediction-market exchange where people trade on the outcomes of real-world events across politics, economics, sports, and culture. The platform aggregates trades into market-based probabilities and generates revenue through trading fees on a peer‑to‑peer marketplace. Founded in 2020 and headquartered in New York, it is a privately held company.