Sr QA Automation Engineer

Martinexsa USA; United States; Remote; USD 120,000 - 150,000; Full time

Job summary

Martinexsa USA is seeking an experienced Senior QA Automation Engineer to design, implement, and maintain automated testing solutions for web applications and software systems. The ideal candidate will have hands-on experience with Cypress or Selenium, develop scalable test frameworks, and collaborate closely with engineering and product teams throughout the SDLC.

The role focuses on building end-to-end, integration, and regression tests, validating REST APIs, and integrating tests into CI/CD

Qualifications

• 5+ years of software QA with emphasis on test automation.
• Hands-on with Cypress or Selenium WebDriver.
• Experience designing and maintaining automated testing frameworks.
• Experience testing web apps and REST APIs.
• Experience CI/CD integration.
• Solid Git and version control knowledge.
• Strong analytical and communication skills.

Responsibilities

• Design, develop, and maintain automated tests for web apps and APIs.
• Build automation frameworks with Cypress or Selenium.
• Execute E2E, integration, regression, and functional tests.
• Identify and track defects.
• Integrate tests into CI/CD pipelines.
• Collaborate with engineers to define test strategies.
• Validate API functionality and data integrity.
• Analyze results and improve flaky tests.
• Participate in code reviews and QA standards.
• Expand test coverage and reduce manual testing.
• Support release validation and report quality risks.

Skills

Test automation

Cypress

Selenium WebDriver

CI/CD

Git

Agile methodologies

API testing

Problem solving

Communication skills

Tools

Postman

REST Assured

Playwright

JMeter

Docker

Job description

We are seeking an experienced Senior QA Automation Engineer to design, implement, and maintain automated testing solutions that ensure the quality, stability, and performance of web applications and software systems.

The ideal candidate has strong hands‑on experience with Cypress and/or Selenium, solid programming skills, and a proven ability to develop reliable, scalable automated test frameworks. This role requires a quality‑driven mindset, strong analytical skills, and close collaboration with software engineers, product teams, and other QA professionals throughout the software development lifecycle.

Key Responsibilities

• Design, develop, and maintain automated test scripts for web applications and APIs.
• Build and improve scalable automation frameworks using Cypress, Selenium, or similar tools.
• Develop and execute end‑to‑end (E2E), integration, regression, and functional tests.
• Identify, document, investigate, and track software defects through resolution.
• Integrate automated tests into CI/CD pipelines to support continuous testing.
• Collaborate with developers and product stakeholders to define test strategies, scenarios, and acceptance criteria.
• Validate API functionality, data integrity, and application behavior across different environments.
• Analyze test results, troubleshoot flaky tests, and improve test reliability and execution time.
• Participate in code reviews and contribute to QA standards, testing guidelines, and automation best practices.
• Identify opportunities to expand test coverage and reduce repetitive manual testing.
• Support release validation and provide clear reporting on quality risks and test outcomes.

Required Qualifications

• 5+ years of experience in software quality assurance, with a strong focus on test automation.
• Hands‑on experience with Cypress and/or Selenium WebDriver.
• Experience designing and maintaining automated testing frameworks.
• Strong understanding of testing methodologies, including functional, regression, integration, and end‑to‑end testing.
• Experience testing web applications and validating REST APIs.
• Familiarity with API testing tools such as Postman or REST Assured.
• Experience integrating automated tests into CI/CD pipelines.
• Proficiency with Git and version control workflows.
• Ability to analyze test failures, identify root causes, and collaborate with development teams on resolutions.
• Strong understanding of the software development lifecycle and Agile methodologies.
• Excellent analytical, problem‑solving, and communication skills.

Nice to Have

• Experience with Playwright, WebdriverIO, or other modern automation frameworks.
• Familiarity with performance testing tools such as JMeter or k6.
• Experience with SQL and database validation.
• Familiarity with Docker and containerized test environments.
• Experience implementing test automation strategies from the ground up.
• Knowledge of shift‑left testing, risk‑based testing, and quality engineering practices.

Ideal Candidate

A senior QA automation professional who combines strong technical skills with a proactive quality mindset, can build dependable automation solutions, and works closely with engineering teams to prevent defects and improve software delivery.