Principal Software Engineer, Trading Platform (Java/C++)

Posted Apr 23, 2026

NinjaTraderChicagofull_timeprincipal

$195,000 – $220,000 USD

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Tech Stack

Solid badges = required, outlined = preferred

Responsibilities

Design, develop, and optimize Scala-based trading services for high-volume, low-latency, 24x7 environments.
Lead architectural strategy for future-state scalability and performance optimization of the trading infrastructure.
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 a specific focus on JVM tuning for Scala/Akka-based distributed systems.

Soft Skills

Written CommunicationCross-Functional Collaboration

Benefits

401k
Dental
Disability Insurance
Flexible PTO
Health Insurance
Life Insurance
Parental Leave
Vision

Culture

Professional DevelopmentEmployee RecognitionCustomer-Obsessed

Requirements

Required: Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience)

Regions: Us

About NinjaTrader

Industry: fintech

Size: medium

NinjaTrader is an industry-leading trading platform and futures broker, empowering over 2 million traders with cutting-edge products and services to navigate financial markets. The company provides award-winning software and brokerage services, continuously innovating and modernizing the futures industry.

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Compensation

Base salary: $195,000 – $220,000 USD

Bonus: Annual target bonus of up to 15%, based on individual performance (50%) and company/team performance (50%).

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