Backend Engineer (Golang) – Trading Systems

Backend Engineer (Golang) – Trading Systems | Web3/Crypto | NYC (Hybrid)

Location

New York City, NY (Hybrid – Candidates should be prepared to work from the office 5 days/week when required) Employment Type: Full-time Experience: Mid to Senior Level

About Ostium Labs

Ostium is the largest decentralized perpetual exchange on Arbitrum, processing over $20B+ in cumulative trading volume since launching in October 2024.

We enable leveraged trading of real-world assets (RWAs)—including commodities, forex, indices, and stocks—alongside crypto, bringing global financial markets on-chain with full self-custody.

We're looking for an ambitious Mid/Senior Backend Engineer (Golang) to help build the infrastructure powering our next generation pricing and trading systems.

What You'll Do

• Build and expand our Entity Service, the central configuration platform for assets, providers, market mappings, model parameters, smart contract configurations, and more.
• Develop a low-latency, highly reliable pricing system for real-time transaction pricing.
• Collaborate closely with quantitative researchers, infrastructure, data, and backend engineering teams.
• Build and maintain centralized pricing services responsible for determining real-time asset values across the platform.
• Develop APIs and backend services that power mission-critical trading infrastructure.
• Contribute to the Entity Service UI, enabling internal users to propose, review, and manage configuration changes with strong access control and user management.
• Help build scalable infrastructure that enables engineers to self-serve most infrastructure requirements and focus on higher-impact engineering work.
• Execute within an established system design while delivering reliable, high-quality implementations.

Required Skills & Experience

• Strong professional experience with Golang.
• Experience effectively using AI tools to improve software development...