Senior Backend Engineer - Real-Time Trading Systems, Remote

United States Digital Space LLC; United States; On-site; USD 186,000 - 219,000; Full time

Job summary

the company Exchange team within the Institutional group designs, builds, and operates high-performance trading systems powering the spot exchange. You’ll work on customer-facing FIX, REST, and WebSocket APIs used by institutional traders, solving complex problems at the intersection of distributed systems and real-time financial infrastructure.

You’ll own services end-to-end—from design through deployment and support—participating in on-call rotations, improving reliability, and collaborating

Qualifications

• 5+ years building production backends or distributed systems in Java, Go, or a comparable language.
• Experience designing and scaling high-volume, low-latency services with concurrency, reliability, and performance optimization.
• Experience with real-time or financial systems and market connectivity protocols (FIX) or related high-throughput messaging tech.
• Track record building customer-facing APIs (FIX, REST, WebSocket) in cloud/Kubernetes environments.
• Experience with relational databases such as PostgreSQL and event-driven/streaming data systems.

Responsibilities

• Design, build, and maintain high-throughput, low-latency APIs and backend services powering real-time trading workflows.
• Own services end-to-end including design, implementation, deployment, observability, scaling, and on-call rotations.
• Improve performance, reliability, and operational readiness of distributed systems.
• Partner with Product, SRE, Security, and other engineering teams to translate needs into technical solutions.
• Drive engineering quality through design/code reviews and mentorship.

Skills

Backend development

Java

Go

Distributed systems

APIs

Kubernetes

Cloud

PostgreSQL

Tools

Kafka

Aeron

FIX

Job description

the company Exchange team within the Institutional group designs, builds, and operates high-performance trading systems powering the spot exchange. You’ll work on customer-facing FIX, REST, and WebSocket APIs used by institutional traders, solving complex problems at the intersection of distributed systems and real-time financial infrastructure.

You’ll own services end-to-end—from design through deployment and support—participating in on-call rotations, improving reliability, and collaborating