Senior Backend Engineer, Payments
PolymarketPrediction Markets company
New York, United StatesSenior
Founders Fund
General Catalyst
Polychain
Intercontinental Exchange
ParaFi
Software Engineering
About the role
TL;DR
Build and scale payments infrastructure for a leading prediction market platform.
- •Polymarket is seeking a senior backend engineer to build and scale the payments infrastructure for deposits, withdrawals, and money movement across the platform.
- •This role requires a blend of engineering expertise and judgment for regulated financial operations.
- •Key Responsibilities Design and lead migrations of payments services using Go, gRPC, and DynamoDB/MySQL.
- •Build and maintain integrations with payment processors, banking rails, and card networks.
- •Partner with Product, Compliance, and Design to deliver regulated financial features.
- •Own production on-call for money-movement systems, ensuring correctness and auditability.
- •Requirements Senior-level backend engineering experience with payments, fintech, or financial-data integrations.
- •Proven track record leading migrations to reliable distributed services without production disruption.
- •Experience partnering cross-functionally to ship regulated financial features.
- •Comfortable owning production on-call for critical money-movement systems.
Required skills
GogRPCDynamoDBMySQLMicroservices
Nice-to-have skills
AWSGoogle CloudDockerKubernetes
Domain expertise
cryptofintech
Benefits & perks
Competitive salary & equity, Unlimited PTO, Full Health, Vision, & Dental coverage, 401k match, Hardware setup — new MacBook Pro, big display, & accessories
Tech stack
GogRPCDynamoDBMySQL
