Staff Software Engineer

Job Description

Title: Staff Software Engineer

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Location: Chicago, IL or New York, NY – Hybrid

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Full-time

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You will help drive the evolution of low-latency, high-throughput applications, focusing on exchange and clearing systems. This includes expanding the platform's features, ensuring its scalability, and meticulously maintaining performance.

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This role is designed for a technical leader who thrives on solving the “hard problems” in financial markets, has deep expertise in low-latency systems, and can help architect financial technology that operates with microsecond precision at scale, while maintaining the highest standards of financial integrity.

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Responsibilities

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• Help architect, implement, and maintain the core exchange and clearing infrastructure, ensuring the system is performant, scalable, and ultra-reliable.
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• Provide technical leadership and hands-on contributions to system design patterns, frameworks, protocols, and data architectures, ensuring they meet the requirements for performance, reliability, correctness, and maintainability.
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• Utilize Aeron and Hydra frameworks to build ultra-low-latency and high-throughput messaging architectures that power the core of their infrastructure.
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• Handle massive data volumes efficiently, designing storage and retrieval patterns for market data, trade history, positions, and audit trails.
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• Collaborate with the Product team and other stakeholders to design technical solutions for new, innovative financial products.
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• Participate in on-call rotations and respond to production incidents requiring deep technical troubleshooting.
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What you’ll bring

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• Bachelor's degree in Computer Science, Software Engineering, or a related discipline.
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• 5-8 + years of professional software engineering experience, with significant time building high-performance distributed systems.
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• Strong Java proficiency, including solid understanding of concurrency, memory management, JVM behavior, and performance optimization.
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• Understanding of network protocols and APIs, with experience implementing REST and WebSocket APIs.
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• FIX protocol experience.
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• Experience building scalable and HA systems that handle high throughput and low latency in production environments (10k+ msgs/sec, low-millisecond latencies).
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• Experience building micro-services systems, Kafka and relational databases (PostgreSQL).
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• Experience with derivative contracts (futures, options) and financial markets
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• Experience with Low latency messaging frameworks is a strong plus.
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