Senior QA Automation Engineer — End-to-End Testing & CI/CD

US-Mobile; New York (NY); On-site; USD 110,000 - 130,000; Full time

Benefits offered by this job

Gym reimbursement

Tech & headphones

Free cellular service

Lunch provided

MetroCard reimbursement

Flexible hours

Job summary

US Mobile in NYC is seeking a Senior QA Automation Engineer to own end-to-end automation from day one, partnering with Engineering, Product, and DevOps to assure high-quality releases in a fast-paced environment. You will design and maintain automation across API, UI, and microservices using Playwright, Cypress, or WebdriverIO, and integrate tests into CI/CD in AWS.

The role requires 5+ years of hands-on QA automation, strong JavaScript, and proactive collaboration to raise quality standards.

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 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.

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.

Skills

QA automation

JavaScript

Playwright

Cypress

WebdriverIO

API automation

AWS

CI/CD

E2E testing

Tools

Postman

Newman

SuperTest

Job description

US Mobile in NYC is seeking a Senior QA Automation Engineer to own end-to-end automation from day one, partnering with Engineering, Product, and DevOps to assure high-quality releases in a fast-paced environment. You will design and maintain automation across API, UI, and microservices using Playwright, Cypress, or WebdriverIO, and integrate tests into CI/CD in AWS.

The role requires 5+ years of hands-on QA automation, strong JavaScript, and proactive collaboration to raise quality standards.