Senior Quality Assurance Engineer; f​/m​/d – SDET; Software Developer in Test

Senior Quality Assurance Engineer (f/m/d) – SDET (Software Developer in Test)

Join us to apply for the Senior Quality Assurance Engineer (f/m/d) – SDET (Software Developer in Test) role at Wire.

At Wire, we are on a mission to revolutionise secure collaboration, making privacy the foundation of modern communication. Wire is the leading end‑to‑end encrypted communication platform, trusted by businesses, critical infrastructure providers, and governments worldwide. We prioritise privacy as a fundamental right and deliver the most secure communication experience across various industries. If you are passionate about redefining secure communication, join us as a Quality Assurance Engineer – Web.

Together, we can build a world where privacy and security shape the future of communication.

• Employment Type:
  
  Permanent
• Previous working experience: 5+ years
• Working hours:
  
  40hrs/week
• Department:
  Engineering
• Working
  
  Location:
  
  Berlin or remote Germany
• Desired start date:
  As soon as possible

We are hiring a Senior Quality Assurance Engineer – SDET to strengthen our automated testing capabilities and drive the quality and reliability of our platform. In this role, you will build, improve, and maintain automation frameworks, enhance our CI/CD pipelines, and promote a culture of continuous testing across the organisation.

Key Responsibilities:

• Improve the testability of software: work closely with scope & platform teams to drive and improve testability.
• Develop and maintain test frameworks, design and execute automated tests, improve CI/CD pipelines, and ensure high product reliability and quality.
• Collaborate daily with platform & backend teams to enhance test coverage, streamline deployment processes, and monitor system health through automation and observability tools.
• Integrate tests into CI/CD pipelines and establish best practices in collaboration with platform, backend, and security teams.
• Configure and maintain clear test reporting for QA & client stakeholders.
• Develop automation tests as a core developer across several functions, managing and configuring test frameworks.
• Implement and improve monitoring & observability practices; coordinate and define how we test within a Dev Ops and continuous testing environment.

• Programming:
  Proficient in at least one programming language.
• Automation frameworks:
  Experience with Selenium, Playwright, or similar.
• SSDLC understanding:
  Good understanding of the secure software development lifecycle.
• Agility:
  Familiar with agile delivery practices.
• Shift‑left testing mindset:
  Demonstrable competency in test execution, root cause analysis, and attention to detail.
• Version control:
  Experience with versioning and version control.
• CI/CD tools:
  Experience with CI/CD tools and ability to apply skills to the frameworks at Wire.
• Communication:
  Excellent written & verbal communication skills.
• Testing techniques:
  Experience with unit, black‑box, and white‑box testing.
• Fast‑paced environment:
  Experience working in a fast‑paced environment with a passion for scaling & improving testing practices.

• 5–7 years of experience in an SDET role, proficient in one or more programming languages.
• Experience executing & managing security testing principles such as penetration testing, SAST/DAST, and contributing to security audits & certifications.
• ISTQB, GTB foundation level, or equivalent test qualification.
• Strong experience with one or more test automation tools and frameworks (Selenium, Playwright, Cypress, Test Rail).
• Experience testing with third‑party service integrations.
• Ability to manage, create, or integrate open‑source test tooling.

• Playwright
• Testiny
• Jenkins
• Git Hub Actions
• Test environment configuration & setup
• Atlassian Suite (Jira, Confluence)
• Okta / Keycloak
• Languages:
  
  Java & Groovy

• Join a market‑proven (>1,000 customers) company and drive Wire to become the worldwide market leader.
• Enjoy a yearly education budget of €1,000 to strengthen personal capabilities.
• With an Urban Sports Club subscription, stay balanced and mentally and physically healthy!
• Work from a beautiful office in the heart of Berlin or choose…