Senior Backend Engineer, Product Infrastructure
PolymarketPrediction Markets company
New York, United StatesSenior
Founders Fund
General Catalyst
Polychain
Intercontinental Exchange
ParaFi
Software Engineering
About the role
TL;DR
Senior Backend Engineer to own core domain APIs and real-time infrastructure for a prediction market platform.
- •Polymarket is seeking a backend/product engineer to own the core domain APIs and data models that power their consumer-facing product.
- •You will work at the intersection of backend infrastructure and product, shipping primitives for frontend, mobile, and product teams with high ownership and a strong bias toward execution.
- •Key Responsibilities Design and evolve core domain APIs and data models at scale.
- •Build real-time infrastructure including gRPC/Connect services and streaming systems.
- •Partner with frontend, mobile, and product teams to deliver end-user features.
- •Unify fragmented services and APIs into cleaner, reusable primitives.
- •Balance technical debt cleanup with shipping new product surface area.
- •Requirements Backend/product engineering experience designing and evolving domain APIs and data models for a consumer-facing product at scale.
- •Hands-on experience with gRPC/Connect and real-time streaming.
- •Track record partnering directly with frontend, mobile, and product teams to ship end-user features.
- •Experience unifying fragmented services and APIs into cleaner, reusable primitives.
- •Pragmatic judgment for balancing technical-debt cleanup with shipping new product surface area.
Required skills
gRPCNode.jsPythonJavaScriptTypeScriptMicroservicesREST API
Nice-to-have skills
AWSGoogle CloudDockerKubernetes
Domain expertise
crypto
Benefits & perks
Competitive salary & equity, Unlimited PTO, Full Health, Vision, & Dental coverage, 401k match, Hardware setup — new MacBook Pro, big display, & accessories
Tech stack
gRPCNode.jsPythonJavaScriptTypeScriptAWSGoogle CloudDockerKubernetes