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Job Summary (List Format): Senior Software Engineer (Mobile Testing)
Location: O'Fallon, MO
Location: O'Fallon, MO
- Develop and deliver advanced authentication products for e-commerce, focusing on products like ID Check, Token Authentication Service, and Token Authentication Framework.
- Design, write, and execute functional, integration, and system-level test cases for complex mobile applications, SDKs, and RESTful APIs.
- Build and leverage advanced test automation frameworks for mobile (Appium, Espresso, XCUITest), API (Rest-Assured, Postman/Insomnia), and web (Selenium, Playwright).
- Utilize BDD tools (Cucumber/Gherkin) and cloud-based testing platforms (BrowserStack/Perfecto).
- Test mobile SDKs and their integration within larger applications.
- Work with biometric technologies, including face and palm modalities, template generation, matching algorithms, liveness detection, and performance metrics.
- Develop and implement comprehensive test strategies and plans for highly scalable and secure biometric systems.
- Prepare complex test environments, including setting up mocks/stubs for third-party integrations.
- Participate in project-level reviews, walkthroughs, and inspections, including test plans, requirements, and automation reviews.
- Drive the design and implementation of advanced test automation solutions across mobile, SDK, and API layers.
- Develop and execute rigorous tests for biometric modalities, focusing on capture quality, template generation, matching, and liveness detection.
- Collaborate with external vendors during pilot phases to ensure integration quality and help define requirements for future development.
- Work closely with the development team to identify defects early through requirements analysis and code reviews.
- Responsible for automation and Continuous Integration (CI) processes.
- Adhere to enterprise quality standards, processes, and tools.
- Knowledge of performance and security testing tools (Gatling, JMeter, Blazemeter) is a plus.
- Minimum 10 years of experience in software development and test automation.
- Strong proficiency in Java/Kotlin, Swift/Objective-C, Java, Python, or Go.
- Local to O’Fallon, MO (Hybrid role; in-person round 2 interview required).
Key Skills
Ranked by relevance
continuous integration
selenium
python
appium
cloud
java
c
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- Posted
- Sep 10, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- O'Fallon
- Company
- Largeton Group
Industries
Information Services
Categories
Engineering
Information Technology
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