Staff Test Engineer leading QA initiatives for NinjaTrader's trading platform. Driving testing strategy and automation across multiple engineering teams in innovative trading technology.
Responsibilities
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 DevOps to define observability and reliability testing strategies that validate system resilience, fault tolerance, and recovery under production-like conditions.
Requirements
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 and Windows environments
Experience evaluating and implementing QA metrics, tools, and training strategies
Proven track record of mentoring, onboarding, and upskilling QA/SDET teams
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