Software Engineer, Backend Systems ($185K - $300K + Equity) Building Real-Time Trading Infrastructure

About the job

This role is being recruited by CoffeeSpace on behalf of an anonymous fintech 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. The company is involved in the fintech, crypto, and financial services industries and has secured over $15M in funding.

The team is currently 13 people strong.

About the role

You will be instrumental in building the backend infrastructure behind the company's real-time trading platform. This role requires a strong command of asynchronous programming, systems knowledge, and a performance-driven mindset. You will thrive 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 the 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. Build critical risk engines and trading APIs in a collaborative in-person environment.

The Ideal Candidate 2-4 years of experience in software engineering. Production experience with Rust and familiarity with Tokio, distributed systems, blockchain, REST APIs, and WebSocket APIs. Comfortable working in a collaborative in-person environment.

Next steps 1. Apply via this LinkedIn job post 2. We’ll review and reach out if there’s a strong match 3.

If aligned, we’ll introduce you directly to the team 4. 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.