(Senior) QA Engineer - Mobile (x/f/m)

dkbcodefactory; Berlin; On-site; EUR 60,000 - 86,000; Full time

Job summary

DKB AG is seeking an experienced Software QA Engineer to take ownership of testing across complex landscapes. You will design and implement automated tests in Java, work with databases and Kafka, and integrate automation into CI/CD pipelines.

You will analyze requirements and architectures, derive test scenarios, and ensure high-quality releases. Strong German and English communication are essential; ISTQB is a plus.

Qualifications

• Several years of professional experience in software quality assurance and ownership from day one.
• Test automation is a core strength with design and implementation experience.
• Very strong Java skills and experience with common test automation tools/frameworks.
• Solid understanding of software architectures and complexity risks.
• Good knowledge of databases and Kafka; strong German and English communication.
• ISTQB certification is an advantage.

Responsibilities

• Take ownership of QA across complex system landscapes and evolve the testing strategy with the team.
• Design, implement, and maintain automated tests using Java and established frameworks.
• Analyze requirements and architectures to derive relevant test scenarios.
• Test system integrations, especially with databases and Kafka, across interfaces.
• Ensure test readiness with data, environments, and tooling; integrate tests into CI/CD.
• Identify quality risks early and contribute to QA and test automation improvements.

Skills

Java programming

Test automation

Quality assurance

Stakeholder communication

German & English communication

Education

ISTQB certification (advantage)

Tools

Kafka

Databases

CI/CD pipelines

Job description

Welcome to DKB AG....We're excited to share that our hiring process is now led by Code Factory (CoFa), DKB's sister tech company, bringing a more agile and collaborative approach to building our cross-functional teams. While you'll go through the hiring journey with CoFa, your employment will be with DKB, combining the stability of a leading bank with the speed and innovation of a tech-driven environment. Join us to be part of a team where collaboration and impact come first.

Responsibilities

• You take ownership of quality assurance across complex system landscapes and continuously develop the testing strategy together with the team.
• You design, implement, and maintain automated tests using Java , ensuring a high and sustainable level of test automation.
• You analyze requirements and system architectures, derive suitable test scenarios, and ensure quality across different system components and interfaces.
• You test how different systems and technologies work together, particularly in the context of databases and Kafka .
• You ensure test readiness-from test data and environments to the right tools and frameworks.
• You integrate automated tests into CI/CD pipelines , advance continuous testing, and support releases through to go-live.
• You identify quality risks early, propose solutions independently, and help advance our QA and test automation approaches.

Qualifications

• You have several years of solid professional experience in software quality assurance and can take ownership independently from day one.
• Test automation is one of your core strengths, and you have extensive experience designing and implementing automated tests.
• You have very strong Java skills and are confident using common test automation tools and frameworks.
• You have a strong understanding of software and system architectures and can quickly grasp relationships, dependencies, and quality risks in complex system landscapes.
• You have solid knowledge of databases and experience with Kafka and event-driven architectures.
• You work independently, in an organized and solution-oriented way, quickly get up to speed on new topics, and proactively move them forward.
• You communicate confidently with different stakeholders and have very good spoken and written German and English. An ISTQB certification is an advantage.
• Confident communication in German and English , ideally B2 level and above