Software Engineer in Test III

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Software Engineer in Test III in USA new

NinjaTrader
Full time
Email

USA
09/22/2026
Report

Chicago, IL

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.

Salary: $82k - $132k/yr

NinjaTrader

NinjaTrader empowers traders with advanced charting, strategy development, and automated execution tools that streamline market analysis and decision-making. By combining powerful analytics with customizable interfaces, the platform enables users to craft and test trading strategies efficiently. ...

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