Software Engineer in Test III

Responsibilities

• Own end-to-end quality and test strategy for an assigned product squad.
• Define acceptance criteria and build testability into features with engineers and product managers.
• Design, develop, and maintain Playwright-based automated tests using Page Object Model patterns.
• Write TypeScript or JavaScript automation and contribute to shared testing frameworks.
• Collaborate on system design, API contracts, and application architecture to support observable and testable behavior.
• Identify, analyze, and eliminate test flakiness while owning test reliability.
• Integrate automated tests into CI/CD pipelines using smoke and regression tagging strategies.
• Use AI-assisted tools for code generation, test generation, and failure analysis.
• Perform manual and exploratory testing and convert findings into automated coverage.
• Support junior QA team members through code reviews, pairing, and feedback.
• Follow NinjaTrader SDLC and information security standards.

Requirements

• 5+ years of experience in QA engineering and test automation.
• Strong hands-on experience with Playwright.
• Solid experience writing automation in TypeScript or JavaScript.
• Experience with Page Object Model or modular test architecture.
• Experience shaping application architecture and API design for reliable automation.
• Experience integrating automated tests into CI/CD pipelines.
• Strong understanding of test design principles and the software testing life cycle.
• Proficiency with AI-assisted engineering tools in a production QA context.
• Ability to independently own quality for a product area with minimal oversight.
• Strong communication skills and comfort partnering with engineers and product managers.
• Preferred: experience testing real-time or data-intensive web applications, API automation, WCAG accessibility testing, trading platforms, or fintech.

Benefits

• $82,000–$132,000 base salary plus a 10% annual target bonus.
• 401(k) through ADP with up to a 3.5% company match.
• 18 days of annual paid time off accrual, seven paid holidays, five conditional holidays, and one service day.
• Paid parental bonding leave and health, vision, dental, life, and disability insurance, with life and disability coverage paid 100% by NinjaTrader.
• Chicago, Illinois-based role with no remote-only option.
• Hybrid schedule with in-office work Tuesday through Thursday and remote work Monday and Friday, plus 20 additional flex remote days and five office-optional weeks tied to major holidays.