Principal Software Engineer, Trading Systems

Principal Software Engineer, Trading Systems

What you’ll do: In this pivotal role on our Trading Services team, you will design, evolve, and optimize our core trading infrastructure. You will help scale and enhance our highly scalable, low-latency trading system, ensuring it meets the highest standards of performance, scalability, and reliability. Your work will directly impact our ability to support rapid growth in the retail futures trading space.

In this role you will: Design, develop, and optimize our Scala-based trading services for high-volume, low-latency, 24x7 environments

Lead architectural strategy for future-state scalability and performance optimization

Mentor and guide junior engineers, promoting best practices and technical excellence

Collaborate cross-functionally with product, engineering, operations, and security teams to translate business requirements into robust and secure technical solutions

Optimize system performance, with focus on JVM tuning for Scala/Akka-based distributed system

Enhance monitoring and observability of services for real-time trade execution and operational transparency

Ensure compliance with security policies, regulatory standards, and industry best practices

What we look for: Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience)

Extensive experience with high-performance, high-concurrency distributed trading systems

Proven expertise in JVM and performance tuning for high-performance environments

Experience supporting 24/7 production systems, ideally in trading environments

Deep knowledge of networking and protocols (HTTP/HTTPS, WebSockets, DNS, TCP/IP)

Experience with CI/CD tools (Jenkins, GitHub Actions)

Strong troubleshooting and debugging skills in high-pressure, real-time conditions

Excellent communication skills, capable of clearly articulating technical concepts to diverse stakeholders

Experience in functional programming languages within exchange/trading environments

Bonus Points for: Experience in low-latency, lock-free development and design

Strong experience with multithreading and concurrency in high-performance environments

Familiarity with binary or custom trading protocols

NinjaTrader is hiring for this role on CareerPlace.

Apply on the company website through NinjaTrader.

Imported from employer careers page. Source ref: d0ecd854e365.