Senior Backend Software Engineer

About the job This role is being recruited by CoffeeSpace on behalf of an anonymous company building backend infrastructure for a high-performance real-time trading platform. We’re identifying a small number of exceptional software engineers from our network. If there’s a strong fit, we’ll introduce you directly to the team. Location: New York, NY Compensation: $185K - $300K base + competitive equity Employment type: Full-time About the company This company builds the backend infrastructure for a high-performance real-time trading platform. They process live market data and coordinate complex trading venues at scale, focusing on blockchain execution environments and distributed systems. The team is small, around 10 people, and has secured over $15M in funding. About the role You’ll be instrumental in building the backend infrastructure behind the company's real-time trading platform. This role requires strong command of asynchronous programming, systems knowledge, and a performance-driven mindset. You'll work in a high-bandwidth, collaborative in-person environment. What You’ll Do Build and maintain risk and liquidation engines to manage risk and improve capital efficiency in volatile markets.Design and implement blockchain state machines that power trading, settlement, and risk operations.Develop services that maintain consistent state across asynchronous processes using voting, consensus, and coordination mechanisms.Process live market data and coordinate actions across trading venues, managing WebSocket streams and time-sensitive workflows.Build high-performance REST and WebSocket APIs that power the trading interface with millisecond-level response times. Why This Role Is Compelling Work on cutting-edge blockchain execution environments and distributed systems.Tackle high-throughput event streams in a fast-paced market.Join a small, dynamic team with significant funding and growth potential. The Ideal Candidate 2-4 years of experience in backend systems engineering.Proficiency in Rust and experience with asynchronous programming.Familiarity with distributed systems and blockchain technologies.Experience with REST and WebSocket APIs, and Docker.Thrives in a collaborative, in-person work environment. Next steps 1. Apply via this LinkedIn job post2. We’ll review and reach out if there’s a strong match3. If aligned, we’ll introduce you directly to the team4. If this role isn’t the right fit, we may suggest and make introductions to other high-signal startup roles we’re recruiting for, always with your permission. A quick note on authenticity This is a real, active role that CoffeeSpace is recruiting for in close partnership with the hiring team. We don’t post speculative roles and work directly with teams on their actual hiring needs.