# Senior Backend Engineer, Services

**Company:** [Polymarket](https://hotfix.jobs/companies/polymarket)
**Location:** New York, NY
**Role:** Backend Engineering
**Experience:** 5+ years
**Skills:** Go, Python, Java, Algorithms, Data Structures, Concurrency, Memory Management, Linux, Kafka, Pulsar, gRPC, Protobuf, Zeromq, AWS, GCP
**Posted:** 2026-08-28

> Build and operate low-latency, high-throughput backend services for a real-time exchange, with ownership of performance, distributed systems, and production reliability. Requires 4–7+ years of backend experience and strong proficiency in Go, Python, or Java.

## Job Description

## Responsibilities
- Design and implement low-latency backend services powering the core exchange, primarily in Go, with Python or Java where appropriate.
- Profile and tune systems across the full stack to identify latency, throughput, and memory bottlenecks.
- Build and maintain event-driven data pipelines and APIs using streaming platforms such as Kafka or Pulsar.
- Own production reliability, including diagnosing live incidents, writing postmortems, and shipping preventive fixes.
- Collaborate with product, infrastructure, and data engineers to integrate exchange services with the broader platform.
- Contribute to distributed-systems architecture, focusing on failure modes, graceful degradation, and recovery from partial outages.

## Requirements
- 4–7+ years of professional backend development experience.
- Strong proficiency in Go, Python, or Java; Go experience is a significant advantage.
- Deep understanding of algorithms, data structures, concurrency, and memory management.
- Experience building and debugging high-throughput, low-latency systems on Linux from design through production operation.
- Strong focus on correctness, defensive programming, edge cases, and production reliability.
- Ability to work independently in a high-autonomy environment.

## Nice to Have
- Experience with trading systems, high-frequency trading, gaming, telecom, or other latency-constrained domains.
- Production experience with Kafka, Pulsar, or similar streaming platforms at scale.
- Familiarity with gRPC, Protobuf, or ZeroMQ.
- Experience deploying and operating cloud services on AWS or Google Cloud using containers and modern deployment tooling.

## Compensation and Benefits
- Competitive salary and equity.
- Unlimited PTO.
- Full health, vision, and dental coverage.
- 401(k) match.
- Hardware setup including a new MacBook Pro, display, and accessories.

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