Test Engineer

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

Welcome to the dynamic world of Ninja Trader! 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, Ninja Trader 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, Ninja Trader 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 Ninja Trader? 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.

• Define and maintain end‑to‑end test strategies across client and server platforms, serving as the subject matter expert for quality across multiple products and teams.
• Design and guide implementation of automation frameworks and test architecture, ensuring scalability and maintainability across teams.
• Collaborate with developers to ensure automation‑friendly application design.
• Establish performance and non‑functional testing benchmarks, driving continuous measurement and improvement across releases.
• Drive the evaluation and adoption of innovative QA tools and technologies.
• Define and track quality gates, coverage metrics, and QA KPIs, ensuring they are actionable and drive measurable improvements in release quality and stability.
• Mentor QA and SDET team members on best practices, including SOLID, DRY, and KISS principles.
• Participate in defining onboarding plans and training strategies for QA new hires and contractors.
• Create, review, and execute end‑to‑end system integration and performance tests.
• Conduct root cause and gap analysis for issues across environments and systems.
• Drive enhancements to CI/CD pipelines and ensure automation suite scalability, reliability, and performance.
• Provide expert‑level input on API testing, database validation, and test data design.
• Support cross‑team initiatives and maintain alignment with organizational quality objectives.
• Partner with engineering and Dev Ops to define observability and reliability testing strategies that validate system resilience, fault tolerance, and recovery under production‑like conditions.

• 9+ years of relevant experience in QA or software testing roles.
• Proven expertise in both manual and automated testing for complex distributed systems.
• Experience designing automation strategies and frameworks for scalable applications.
• Strong skills in API testing, integration testing, and cross‑platform validation.
• Hands‑on experience with CI/CD tools and automation pipelines.
• Ability to guide teams in troubleshooting application, database, and cloud issues.
• Excellent communication skills and collaborative mindset.
• Familiarity with testing across messaging queues, security, performance, and fault tolerance scenarios.
• Strong knowledge of Linux…