Responsibilities

Architect, build, and maintain a scalable end-to-end mobile automation framework for our Flutter-based iOS and Android applications
Lead automation efforts across both platforms, with a focus on long-term framework stability and coverage
Implement and enhance mobile automation using Appium, WebdriverIO, or similar automation frameworks
Design and enforce a Screen/Page Object Model architecture and project structure that scales with the mobile team
Write maintainable automation code in TypeScript/JavaScript, establishing standards others build on
Partner with Flutter engineers on application architecture to identify testability gaps and make automation-friendly design decisions early — before they become late-stage problems
Own CI/CD integration for mobile test pipelines: tagging strategies (e.g., smoke, regression), automated reporting, and pipeline reliability
Identify, analyze, and eliminate test flakiness — treating automation reliability as a product quality concern
Apply AI-assisted development tools — code generation, test generation, failure analysis — to improve coverage and productivity
Drive improvement in mobile testing tooling and documentation
Contribute to junior QA team members' growth through code reviews, pairing, and direct feedback
Uphold NinjaTrader SDLC and information security standards

Requirements

7+ years of experience in QA engineering and test automation, with significant mobile automation experience
Proven experience building and scaling mobile E2E automation frameworks for iOS and Android
Strong hands-on experience with Appium, WebdriverIO, or comparable mobile automation tools
Demonstrated experience working with mobile engineers on testability-by-design
Deep understanding of Screen/Page Object Model or equivalent patterns for mobile test architecture
Strong proficiency in TypeScript or JavaScript
Experience with CI/CD tooling for mobile delivery, including GitHub Actions
Experience designing test strategies that integrate into automated pipelines at scale
Proven proficiency with AI-assisted engineering tools applied responsibly in a mobile QA context
Track record of improving automation stability and reducing flakiness
Strong communication and collaboration skills — comfortable as a peer to Flutter engineers and product managers

Nice to Have

Hands-on experience with Flutter-native testing tools (flutter_test, integration_test package)
Familiarity with iOS and Android internals, simulators, and emulators
Experience with cloud device labs (e.g., Sauce Labs, BrowserStack, or similar)
API automation testing experience
Accessibility testing awareness (WCAG or mobile platform standards)
Financial trading systems or fintech experience

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.

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

Additional Information

Hybrid work schedule: In-office Tuesday through Thursday, remote on Mondays and Fridays.
20 additional flex remote days annually.
5 Company Wide Office-Optional weeks tied to major holidays.