Diabolocom

Senior QA Engineer, Core Squad

Diabolocom

full-time

Posted on:

Location Type: Remote

Location: France

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Job Level

Senior

Tech Stack

GroovyJavaKotlinScalaSelenium

About the role

  • Co-design test strategies with the team for new features and refactorings.
  • Implement and maintain automated tests in Kotlin at multiple levels.
  • Challenge designs and technical solutions from a risk and testability perspective.
  • Continuously improve our pipelines, tooling, and test reliability.

Requirements

  • Minimum 6 years of experience, among which at least 3 recent years as a test automation engineer using Java / Kotlin / Groovy / Scala.
  • Strong coding skills in a JVM language (ideally Kotlin or Java), with the ability to read and understand production code, review merge requests, and write clean, maintainable automated tests.
  • Strong system-level and architectural thinking – you understand how services interact, how data flows through the system, and you use this understanding to design an effective test strategy.
  • Hands-on experience building test suites across the testing pyramid (unit, component/service, API, contract, integration, and UI/e2e), and a clear opinion on which level is appropriate for each type of scenario.
  • A mindset opposite to “cover everything with system-level e2e tests”: you prefer fast, reliable checks close to the code, and use e2e tests sparingly for end-to-end risk and critical flows.
  • Experience working with CI/CD pipelines (ideally GitLab CI), test reporting, and quality gates.
  • At least 1 year of experience with Selenium.
  • Experience with UI, API testing, database testing.
  • Critical thinking and a “bug hunter” attitude: you actively look for edge cases, failure modes, and real user behavior, beyond the happy path.
  • High curiosity and willingness to dive deep into how the product and its ecosystem work (infrastructure, messaging, integrations, deployment pipeline).
  • Strong autonomy and leadership potential.
  • Excellent communication skills, proactivity, self-learning.
Benefits
  • A collaborative and innovative team environment.
  • The opportunity to work on cutting-edge distributed communication systems.
  • Real ownership on quality for a core domain of our platform – your decisions on test strategy and automation will significantly influence how safely and quickly we ship
  • Career growth opportunities within a fast-growing global company.
  • Flexible work arrangements and remote work options.
  • A supportive team that values innovation and knowledge-sharing.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
test automationKotlinJavaGroovyScalaSeleniumAPI testingdatabase testingCI/CDtest strategies
Soft Skills
critical thinkingproactivityself-learningautonomyleadership potentialcommunication skillscuriosity