Senior QA Automation Engineer

1 week ago

New York, NY, United States US Mobile Full time

US Mobile is on a mission to revolutionize connectivity. Imagine a world where you can go into a single app and buy terabytes of data for every one of your devices: phone, smart devices, car, home broadband, and more. That's the future that US Mobile is building: a software platform built truly for the 21st century and the age of 5G and IoT, with world class engineering, best-in-class user experience, and features that will define the next generation of connectivity.

At the core of it all, we have a team and culture that has been recognized by Forbes as one of the top 500 best startup employers in the US. Our team spans diverse backgrounds, cultures, and stories, with employees coming from 20+ countries.

We're a venture-backed company entering hypergrowth, having recently ranked 94th on Inc 5000's fastest-growing private companies in America, and we're looking for someone exceptional to join our team.

Job Description:

We are looking for a Senior QA Automation Engineer who can take ownership of our end-to-end automation framework from day one. You will work closely with Engineering, Product, and DevOps to ensure high-quality releases in a fast-paced environment. This role requires a strong technical background, excellent problem-solving skills, and the ability to work independently.

Responsibilities

    • Own, maintain, and expand the existing end-to-end automation test suites.
    • Design, develop, and execute automated tests using JavaScript-based frameworks (e.g., Playwright, Cypress, or similar).
    • Build new automation coverage across API, UI, microservices, and integration layers.
    • Work closely with developers to ensure testability, stability, and quality of all features.
    • Integrate tests into CI/CD pipelines and collaborate with DevOps teams in an AWS environment.
    • Investigate test failures, triage issues, and provide clear debugging feedback to engineering teams.
    • Contribute to quality strategy, best practices, and process improvements across the QA function.
    • Mentor junior QA team members when needed.
Qualifications
    • 5+ years of hands-on QA automation experience.
    • Strong proficiency in JavaScript and experience building automation frameworks from scratch.
    • Solid experience with modern automation tools (Playwright, Cypress, WebdriverIO, or similar).
    • Strong expertise in API automation and tools like Postman, Newman, SuperTest, or similar.
    • Experience working with AWS services (CloudWatch, S3, Lambdas, API Gateway, EC2, etc.).
    • Experience with CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI, etc.).
    • Strong understanding of software testing best practices and E2E testing strategy.
    • Ability to operate independently, take ownership, and deliver results with minimal direction.
    • Excellent communication skills and the ability to collaborate across teams.
Nice to have
    • Experience with infrastructure-as-code or serverless frameworks.
    • Familiarity with microservices and event-driven architectures.
    • Experience with mobile automation (iOS/Android) is a plus.
Benefits
    • Competitive salary - $110k-130k (NYC based, in office Monday-Wednesday)
    • Gym reimbursement
    • Your choice of tech & noise-canceling headphones
    • Free cellular service on the best network in the US
    • Free lunch in NYC office & fully stocked kitchen
    • MetroCard reimbursement
    • Flexible working hours


$100,000 - $130,000 a year

Think you could be a fit? Apply to learn more

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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