Sr. Software Test Engineer Backend - FCM

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 $100000.00 - $150000.00 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

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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