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Senior Software Development Engineer in Test(SDET)

ZipRecruiter

England

Hybrid

GBP 125,000 - 150,000

24 days ago

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Join a dynamic aerospace startup as a Senior Software Development Engineer in Test (SDET) and play a crucial role in enhancing a B2B SaaS product. In this hybrid position, you'll leverage your extensive experience to build and maintain automated test frameworks, ensuring high-quality releases through effective collaboration with cross-functional teams. This is a unique opportunity to contribute to a greenfield development environment where your expertise will directly impact the success of innovative solutions. If you're passionate about test automation and thrive in a fast-paced setting, this role offers the perfect blend of challenge and growth.

8 years SDET experience with strong skills in end-to-end testing.
Proficiency in TypeScript, C#, or Java for test automation.

Develop and automate tests for validating user workflows.
Integrate automated tests into CI/CD pipelines for rapid releases.

End-to-end testing

Test automation

API testing

Communication skills

Agile environment experience

Bachelor's in Computer Science

Playwright

Cypress

Selenium

Postman

REST Assured

SuperTest

Job Description

Senior Software Development Engineer in Test (SDET)

Location: Hybrid (3 days a week onsite in Kent, WA)

We have an amazing opportunity to join a very well-funded and well-positioned Seattle area aerospace startup as their second SDET contributing to the growth of a successful B2B SaaS product. In this greenfield development environment, you will be responsible for building and maintaining automated test frameworks, integrating tests into CI/CD pipelines, and collaborating closely with developers, product managers, and UX teams to drive seamless releases.

This is a high-impact role with a lot of ownership in a rapidly growing startup environment.

What You'll Do

Develop and automate end-to-end tests to validate real-world user workflows
Build and maintain test automation frameworks using Playwright, Cypress, or Selenium
Review pull requests (PRs), understand code changes, and ensure adequate test coverage
Integrate automated tests into CI/CD pipelines to enable rapid, high-quality releases
Perform API testing to verify data flows between frontend, backend, and external systems
Collaborate closely with engineers, product managers, and UX teams to improve test efficiency
Monitor and refine automated test strategies to support frequent deployments and maintain system stability

What You Bring

8 years SDET experience
Strong experience in end-to-end testing for B2B SaaS applications
Proficiency in TypeScript, C#, or Java and experience writing test automation
Hands-on experience with modern UI Automation frameworks (Playwright, Cypress, or Selenium)
Bachelor's in Computer Science
Experience with API testing (Postman, REST Assured, SuperTest)
Strong understanding of test automation best practices, including Page Object Models (POM) and reusable test components
Ability to work in a fast-paced, agile environment, ensuring efficient test execution and quick releases
Excellent communication skills—able to collaborate with engineers and product teams effectively

Unfortunately, we are unable to sponsor at this time. U.S. and those authorized to work in the U.S. are encouraged to apply.

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