Senior QA Engineer

Sequencing; United States; Remote; USD 90,000 - 140,000; Full time

Job summary

Sequencing is seeking a seasoned QA engineer to join a remote, global engineering team building the platform that turns DNA into lifelong health intelligence. You will own end-to-end quality validation, design and maintain automation frameworks from scratch, and drive quality strategy to help the team ship faster without losing customer trust.

You will lead exploratory testing, run API and integration tests with Postman or Swagger, and collaborate with engineering, product, and design to improve

Qualifications

• 5+ years of QA experience with strong manual testing expertise.

Responsibilities

• Own end-to-end quality validation across the platform.
• Design and maintain automation frameworks from scratch.
• Drive quality strategy to help the team ship faster without compromising customer trust.
• Run API and integration testing across platform services using Postman or Swagger.
• Lead exploratory testing and highlight risk areas early.
• Support CI/CD quality initiatives so tests run on every deploy and block on failure.
• Mentor junior QA engineers and raise overall QA maturity.

Skills

QA experience

Automation frameworks

Manual testing

CI/CD familiarity

Cross-functional collaboration

Remote work

Tools

Playwright

Cypress

Selenium

Postman

Swagger

Git

Bitbucket

JavaScript

TypeScript

Python

k6

JMeter

Job description

The Position

You will join a remote, global engineering team building the platform that turns DNA into lifelong health intelligence. You will report to the Senior Manager of QA and partner closely with engineering, product, and design. You will own end-to-end quality validation across the platform, design and maintain automation frameworks from scratch, and drive quality strategy that helps the team ship faster without losing customer trust. Success means higher test coverage, fewer production issues, and a release process the company can rely on.

The Impact

• Own end-to-end quality validation for new features, releases, and production deployments.
• Develop comprehensive testing strategies from business and technical requirements.
• Design, build, and maintain scalable automated regression test suites (Playwright, Cypress, or equivalent).
• Partner with engineering to grow test coverage and release confidence.
• Identify, document, prioritize, and track defects through resolution.
• Lead exploratory testing and call out risk areas and edge cases early.
• Support CI/CD quality initiatives and automation integration so tests run on every deploy and block on failure.
• Run API and integration testing across platform services using Postman or Swagger.
• Improve QA processes, testing standards, and quality best practices.
• Lead release readiness assessments and production validation.
• Mentor junior QA engineers and raise overall QA maturity.
• Communicate quality risks and trade-offs clearly to engineering and product across time zones.

Dominant and Expressed Traits

• 5+ years of QA experience with strong manual testing expertise.
• Proven experience building and maintaining automation frameworks from scratch.
• Strong experience with Playwright, Cypress, Selenium, or equivalent tools.
• Experience testing complex web-based applications in Agile environments.
• API testing experience with Postman, Swagger, or similar tools.
• Familiar with CI/CD pipelines and version control systems such as Bitbucket or Git.
• Strong grasp of regression testing strategies and QA best practices.
• Cross-functional collaboration experience.
• Comfortable working remotely in a fast-moving startup environment.
• E-commerce or checkout and payment workflow exposure is a plus.
• Scripting in JavaScript, TypeScript, or Python is a plus.
• Performance testing with k6 or JMeter is a plus.
• Experience mentoring QA engineers is a plus.
• Exposure to security or vulnerability validation testing is a plus.