US Mobile

Senior QA Automation Engineer

Posted 4 Days Ago

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New York City, NY

Hybrid

100K-130K Annually

Senior level

Internet of Things • Mobile • Other • Software

We’re on a mission to revolutionize connectivity. We're building the next-generation connectivity platform.

The Role

The Senior QA Automation Engineer will own and expand the automation framework, develop automated tests, integrate them in CI/CD pipelines, and mentor junior QA members.

Summary Generated by Built In

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

Think you could be a fit? Apply to learn more!

Top Skills

AWS

Cypress

Github Actions

Gitlab Ci

JavaScript

Jenkins

Newman

Playwright

Postman

Supertest

Webdriverio

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The Company

New York City, NY

131 Employees

Year Founded: 2014

What We Do

At US Mobile, we’re on a mission to revolutionize connectivity. We're building a next-generation connectivity platform to connect the next billion wireless devices onto nationwide 4G and 5G networks, including your phone, drone, car, watch, pet tracker, and everything in between. We’re accomplishing this by leveraging cutting-edge technology and forward-thinking UI design.

Whether it’s with our free high-speed international roaming, customizable perks, AI-facilitated plan savings, customizable plans, or real-time dashboards, we’re building the industry’s most delightful user experience all backed by our excellent customer service.

US Mobile’s 4G LTE network reaches more than 300 million Americans and includes international calling to over 200 countries and territories, but you will never hear from an operator at US Mobile. Our real, live Customer Support Representatives are available by phone or chat 24 hours a day, 7 days a week – to keep you connected, informed, and saving with US Mobile.