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.
