Staff Backend Engineer (Go) (Real-Time Exchange Infrastructure): Building and scaling low-latency backend services, event-driven data pipelines, and APIs for a real-money prediction market exchange with an accent on performance, correctness, and production reliability. Focus on profiling distributed systems, designing for failure and graceful degradation, and operating high-throughput services under live financial consequences.
Location: New York, United States; on-site
Salary: $250,000β$500,000 base salary per year, plus equity and benefits
Company
Polymarket operates a peer-to-peer prediction market platform where users trade on outcomes across politics, economics, sports, culture, and current affairs.
What you will do
Design and implement low-latency backend services for the core exchange, primarily using Go.
Profile and tune systems to improve latency, throughput, and memory usage.
Build and maintain event-driven data pipelines and APIs using Kafka, Pulsar, or similar streaming platforms.
Own production reliability, diagnose live incidents, write postmortems, and ship preventive fixes.
Collaborate with product, infrastructure, and data engineers to integrate exchange services across the platform.
Contribute to distributed-systems architecture, including failure handling, graceful degradation, and recovery from partial outages.
Requirements
7+ years of professional backend development experience with strong proficiency in Go, Python, or Java.
Deep knowledge of algorithms, data structures, concurrency, and memory management applied to production systems.
Experience building and debugging high-throughput, low-latency systems on Linux from design through production operation.
Strong focus on correctness and defensive engineering in systems with financial consequences.
Ability to work independently with high autonomy and ownership.
Nice to have
Experience with trading systems, high-frequency trading, gaming, telecom, or other latency-sensitive domains.
Production experience with Kafka, Pulsar, or similar streaming platforms at scale.
Familiarity with gRPC, Protobuf, or ZeroMQ.
Experience operating cloud services on AWS or GCP with containers and modern deployment tooling.
Culture & Benefits
High autonomy and ownership in a small, senior engineering group.
Competitive salary and equity.
Unlimited paid time off.
Full health, vision, and dental coverage.
401(k) matching and a hardware setup including a new MacBook Pro, display, and accessories.