Backend QA Engineer

Posted 2 Days Ago
Be an Early Applicant
Valencia, Comunidad Valenciana, ESP
In-Office
Entry level
Fintech • Software • Financial Services
The Role
Own and improve testing for backend services and APIs. Design and expand automated integration, contract, component, and end-to-end tests; validate environments, infrastructure, databases, and test data; analyze failures and defects; support root-cause analysis; communicate quality metrics; and contribute to continuous testing and delivery practices.
Summary Generated by Built In

Welcome to DKB Code Factory…. 

{ { … a_place_to_stay_yourself:

} } ; 

{ { … a_place_to_stay_curious:


Join a collaborative, learning-first tech hub within DKB where autonomy, continuous improvement, and shared ownership are at the core of how we work. As a QA Engineer, you'll be the quality advocate within your team, helping shape testing practices, drive automation efforts, and ensure that reliable software is delivered with confidence. You'll work closely with developers, product stakeholders, and fellow engineers to build quality into every stage of the delivery process.

} } ; 

{ your_responsibilities: [
  • Own and continuously improve the team's testing approach for our backend services and APIs, becoming the go-to person for testing topics in an agile environment. 
  • Ensure test readiness across infrastructure, environments, and test data to enable smooth and reliable execution. 
  • Design, implement, and expand automated test coverage across our backend services and API layer, including integration, contract, component, and end-to-end testing. 
  • Collaborate closely with developers and product stakeholders to identify risks, clarify requirements, and prevent defects early in the development lifecycle. 
  • Analyze test failures and defects, support root-cause analysis, and identify recurring quality issues and opportunities for continuous improvement. 
  • Share regular testing insights, results, and quality metrics with stakeholders, supporting informed release decisions. 
  • Contribute to Continuous Testing and Continuous Delivery practices, helping the team improve quality while maintaining delivery speed. 

] } ;

{ following_qualifications_would_be_in_line_with_our_desired_profile_for_this_position: [


  • Experience in software quality assurance and test automation for backend systems, with a strong understanding of software testing principles, test design techniques, and risk-based testing. 
  • Hands-on experience with backend testing and API validation (REST), including different testing levels and approaches such as integration, contract, component, and end-to-end testing. 
  • Programming experience with Java, Kotlin, or comparable technologies, with an interest in continuously improving testing practices and automation coverage. 
  • Familiarity with SQL and database validation, as well as test environments, test data management, mocking, and service virtualization. 
  • Experience with one or more of the following is a plus: Serenity, REST Assured, JUnit, contract testing (e.g. Pact), WireMock, Jira Xray, GitLab. 
  • A collaborative and proactive approach to problem-solving, with the ability to communicate effectively in cross-functional environments. 
  • Fluency in English.

] } ;

Got the feeling not to match every single requirement? Don’t worry! We encourage you to apply anyways, even if your qualifications do not align perfectly. You might still be just the right candidate for us!

{ { … a_place_to_stay_together:

From Morning Daily to Afterwork Drink, team spirit is essential to us. The heart of our togetherness is that we truly are connected with each other: We not only share fun & laughter, but also honest opinions - because that's how we grow: We exchange ideas, give support in our personal development, and celebrate success together! Besides our great community, we also offer numerous other benefits... 

} } ;

Skills Required

  • Experience in software quality assurance and test automation for backend systems
  • Strong understanding of software testing principles, test design techniques, and risk-based testing
  • Hands-on experience with backend testing and REST API validation
  • Experience with integration, contract, component, and end-to-end testing
  • Programming experience with Java, Kotlin, or comparable technologies
  • Familiarity with SQL and database validation
  • Familiarity with test environments, test data management, mocking, and service virtualization
  • Experience with Serenity, REST Assured, JUnit, Pact, WireMock, Jira Xray, or GitLab
  • Collaborative and proactive problem-solving approach
  • Ability to communicate effectively in cross-functional environments
  • Fluency in English
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The Company
HQ: Berlin
153 Employees
Year Founded: 2018

What We Do

At Code Factory we believe that every big journey starts with a first step. Our destination: creating tomorrow's banking. Four million customers have already placed their faith in us. Their wind farms and schools depend on our code. We are forging the future of finance - today. As a subsidiary of DKB, we benefit from the financial backing and entrepreneurial expertise of an established company but enjoy the flexibility and agility of a startup. By encouraging unconventional ideas and working hand-in-hand with other fintech companies in the heart of Berlin, we are reshaping modern finance. Join us

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