Mobile Engineer- Testing
Needham, MA, 02494
Reference ID: 32186202
Date Posted: 04/21/2026
Apply now: Software Development Engineer in Test (SDET), location is Onsite/Hybrid (Needham, MA). The start date is Mid-April for this 6 month contract-to-hire position.
Job Title: Software Development Engineer in Test (SDET)
Location-Type: Onsite/Hybrid (3 days/week in Needham, MA)
Start Date Is: Mid-April
Duration: 6 month contract-to-hire
Compensation Range: $55-60/hr
Job Description:
Design and build scalable, state-aware automated testing frameworks for mobile applications, ensuring high-quality releases across iOS and Android platforms.
Day-to-Day Responsibilities:
- Design, develop, and maintain automated test frameworks for React Native mobile applications
- Build automation frameworks from scratch, not just maintain existing test suites
- Validate complex workflows, event sequencing, and state transitions across mobile systems
- Develop and execute comprehensive test strategies, including exploratory and device-level testing
- Integrate automated testing into CI/CD pipelines for continuous validation
- Collaborate with cross-functional teams to embed quality throughout the development lifecycle
- Build utilities and validation logic to enforce rules, edge cases, and failure scenarios
- Mentor team members on automation best practices and quality engineering principles
Requirements:
- Must-Haves:
- 2 years of experience in mobile testing and/or software engineering
- Strong experience with Appium for mobile automation (iOS and/or Android)
- Proficiency in Java, JavaScript, or TypeScript
- Experience building automation frameworks from scratch
- Strong systems thinking with ability to track multiple states and conditions
- Experience validating workflows, sequencing, and dependencies across systems
- Ability to design and enforce rules, constraints, and invalid state handling
- Strong understanding of edge cases, boundary conditions, and failure scenarios
- Experience integrating automation into CI/CD pipelines
- Ability to clearly explain logic, structure, and decision-making processes
- Nice-to-Haves:
- Experience with React Native applications
- Background closer to software engineering than traditional QA
- Experience building reusable automation utilities and validation layers
- Exposure to both manual and automated testing strategies
- Experience validating complex user/device interaction flows
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