Sr. Software Test Engineer, Backend - FCM

Company: NinjaTrader
Location: Chicago
Posted on: April 2, 2026

Job Description:

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: Design, architect, and maintain a scalable, extensible Python-based test automation framework using PyTest Define automation strategy and quality gates for back-office services and workflows Write and maintain robust functional test suites for backend and service-layer applications Evaluate existing test coverage, identify systemic gaps, and implement additional functional and integration tests Develop integration tests across Python-based services, GCP Pub/Sub messaging systems, and Oracle databases Design test data management strategies for complex distributed workflows Implement mocks and stubs for middleware, databases, and third-party dependencies to enable isolated and deterministic testing Partner with developers to build automation-friendly services and improve system observability and testability Improve overall test reliability by identifying, debugging, and eliminating flaky tests Lead code reviews for automation and proactively drive improvements in test coverage, maintainability, and engineering standards Integrate automated test execution into CI/CD pipelines with single-click batch execution and automated reporting Define and implement build certification and deployment validation processes across environments Debug production issues using logs, database traces, and service telemetry to enhance test coverage and prevent regressions Contribute to performance, resilience, and fault-tolerance testing strategies for distributed systems Mentor QA engineers and developers on automation design principles, framework usage, and best practices Enforce adherence to NinjaTrader SDLC and information security standards Work ahead of feature delivery to ensure test architecture evolves alongside system complexity What you'll need: 5 years of experience in QA automation and software testing, with demonstrated senior-level ownership of automation initiatives Strong expertise in Python test automation frameworks such as PyTest (Robot Framework experience is a plus) Proven experience designing automation frameworks from the ground up Deep experience testing backend services, REST APIs, and distributed systems Hands-on experience validating event-driven architectures using messaging platforms such as GCP Pub/Sub Strong experience with relational databases (Oracle preferred), including data validation and complex query verification Solid understanding of system testing methodologies, SDLC/STLC, and automation best practices Experience designing and implementing integration testing strategies across asynchronous systems Proficiency with Linux command-line tools and log analysis Experience integrating automation into CI/CD tools such as Jenkins or GitHub Actions Familiarity with infrastructure-as-code tools such as Terraform or Ansible Experience testing cloud-native applications (GCP preferred) Exposure to performance, load, or resilience testing in distributed systems Financial trading systems experience is a plus Excellent communication, collaboration, and analytical problem-solving skills Demonstrated ability to mentor engineers and influence quality practices across teams Compensation: The salary range for this role will be $100,000.00 - $150,000.00 USD. In addition, this position will also receive an annual target bonus of 10%. 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. NinjaTrader offers a 401K plan through ADP under which the company will match up to 3.5% of employee contributions. Annual paid time off allowance accrues at a rate of 18 days per year (some positions may qualify for more) plus seven paid holidays. Location: This role is based in Chicago, IL. *There may be remote flexibility for exceptional candidates in the following states: California, Colorado, Florida, Georgia, Illinois, Indiana, Minnesota, Missouri, Montana, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, South Carolina, Texas, Utah, Vermont, Virginia, Washington, Washington DC, Wisconsin. Hybrid: For Chicago-based employees, we follow a hybrid work schedule: In-office Tuesday through Thursday, with remote work on Mondays and Fridays. In addition to these weekly remote days, we offer: 20 additional flex remote days annually 5 Company Wide Office-Optional weeks tied to major holidays 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.

Keywords: NinjaTrader, Lombard , Sr. Software Test Engineer, Backend - FCM, IT / Software / Systems , Chicago, Illinois