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Principal Software Engineer, Trading Systems

Remote Posted Jun 30, 2026 0 views

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Job description

NinjaTraderJobs
Principal Software Engineer Trading Systems

Principal Software Engineer Trading Systems

Posted Yesterday
Easy Apply
Be an Early Applicant
Chicago IL USA
Hybrid
195K-220K Annually
Expert/Leader
Fintech • Software • Financial Services
Building better futures for all traders
The Role
Design evolve and optimize Scala-based low-latency trading services. Lead architecture for scalability and performance tune JVM/Akka systems enhance observability ensure security and regulatory compliance and mentor junior engineers while collaborating cross-functionally to support 24x7 high-volume trading.
Summary Generated by Built In

Disclaimer: Please be advised that the most accurate and up-to-date information about our open roles—including job descriptions compensation and benefits—can only be guaranteed on our official job board. For the latest listings and details please visit: https://job-boards.greenhouse.io/ninjatrader.

JOIN US ON OUR MISSION TO BECOME THE #1 RETAIL TRADING PLATFORM IN THE WORLD

Welcome to the dynamic world of NinjaTrader! As an industry-leading trading platform and futures broker we're empowering traders to take control of their financial destiny. How do we do it? We provide cutting-edge products and services that enhance the trading journey. Whether a seasoned pro or just starting out NinjaTrader equips traders with award-winning software and brokerage services to navigate the world's leading financial markets with confidence.  

Our growth story is nothing short of exhilarating. Since 2003 NinjaTrader has been dedicated to understanding and supporting traders on their journey toward trading triumph. Through those efforts our user base has grown to over 2 million users and we have become the number one rated futures brokerage worldwide. 

But we're not stopping there. We're constantly evolving pushing boundaries and modernizing the futures industry. Our commitment to innovation means users will always have access to dynamic tools real-time support and a community of like-minded traders.  

So why work at NinjaTrader? Here you're not just part of a team; you're part of a movement. We empower employees to reach new heights in their careers by providing a dynamic culture focused on social connection professional development and employee recognition initiatives. Sounds too good to be true? Take it from our employees. 

Join us as we redefine what's possible in trading advocate for our customers and continue our journey toward becoming the world's top retail-focused trading platform in the world.  

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
  • Strong knowledge of messaging frameworks (Kafka RabbitMQ) and network protocols (UDP TCP)
  • Hands-on experience implementing HTTP/WebSockets REST APIs OAuth gRPC and Redis APIs
  • Deep understanding of order handling/matching engines
  • Extensive experience with FIX or other market data/order-entry protocols
  • Practical hands-on experience with cloud-native technologies (Kubernetes and Docker)
  • Solid grasp of network communications particularly IP multicast and TCP protocols used in market data feeds

Compensation:

The salary range for this role will be $195000.00 - $220000.00 USD annually. In addition this position will also receive an annual target bonus of up to 15%. Bonus pay at NinjaTrader is based on individual performance (50%) as well as company/team performance (50%).

Salary and bonus earnings are only two components of the total compensation package offered by NinjaTrader. Additional details on our total compensation package and benefits are listed below.


Our Core Benefits Include:

  • Generous PTO
  • 7 Paid Holidays Annually + 5 Conditional Holidays Annually
  • 1 Service Day Annually
  • 401k with 3.5% Company Match
  • Paid Parental Bonding Leave
  • Health Vision Dental Coverage
  • Life and Disability Insurance Covered 100% by NinjaTrader

We are committed to equal employment opportunity regardless of race color ancestry religion sex national origin sexual orientation age citizenship marital status disability gender gender identity or expression or veteran status. We are proud to be an equal opportunity workplace.

Skills Required

  • 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 able to articulate technical concepts to diverse stakeholders
  • Experience in functional programming languages within exchange/trading environments
  • 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
  • Experience with messaging frameworks (Kafka RabbitMQ) and network protocols (UDP TCP)
  • Hands-on experience implementing HTTP/WebSockets REST APIs OAuth gRPC and Redis APIs
  • Deep understanding of order handling / matching engines
  • Extensive experience with FIX or other market data/order-entry protocols
  • Practical hands-on experience with cloud-native technologies (Kubernetes and Docker)
  • Solid grasp of network communications particularly IP multicast and TCP protocols used in market data feeds

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The Company
HQ: Chicago IL
340 Employees
Year Founded: 2003

What We Do

More than 2 million futures traders trust NinjaTrader's award-winning software and brokerage services to help them trade smarter. Since 2003 we've been building better futures for all traders by making futures trading more accessible scalable and user-friendly. As a bold innovative thought leader in the trading space we build products and services that empower active futures traders to easily analyze and react to data from the world's leading financial markets. Veteran and new futures traders alike look to us for our always-on support daily free education and analysis access to developer apps and much more. We believe in the power of innovation to drive futures trading forward. Together we continue to redefine what's possible in trading advocate for our customers and provide the best tools support and experiences to the fast-growing retail futures trading community. Located in Chicago our entrepreneurial employee-centric culture is inspiring innovative and inviting. We're committed to diversity equity and inclusivity so our team members feel at ease to be themselves and empowered to deliver the work they do best.

Why Work With Us

Our team members are our #1 asset and the signature ingredient to our success. When you join NinjaTrader you become part of an innovative forward-looking community that encourages creativity collaboration and camaraderie to deliver the best futures trading experience possible to our more than 1.8 million users. See why better futures start here.

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NinjaTrader Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Chicago-based employees follow a hybrid schedule: In-office Tuesday – Thursday remote on Mondays and Fridays. In addition to these weekly remote days we offer: 20 flex remote days annually 5 company-wide office-optional weeks

Typical time on-site: 3 days a week
HQNinjaTrader HQ
With river views and all the hotspots of River North and the Loop minutes away 222 North LaSalle is positioned in the most vibrant part of downtown right at the corner of LaSalle and Wacker. Amenities include onsite parking gym coffee house employee events and restaurants.

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