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Java Software Developer

Technologie
Haystack
Köln, DeutschlandVor 3 WochenBis 14.11.2026
Vollzeit100% Remote

Stellenbeschreibung

We're hiring on behalf of a Haystack partner!

The Role

  • Develop, design, and optimize Java-based software solutions, guiding them from requirements analysis to deployment.
  • Influence technical decisions regarding architecture, object-oriented design, and modern software engineering principles.
  • Ensure high code quality and maintainability through automated tests, code reviews, and continuous improvement.
  • Work actively in agile development teams and share technical expertise through mentoring, pair programming, and professional exchange.
  • Take responsibility for complex technical challenges and develop pragmatic, scalable, and customer-oriented solutions.

What You'll Need

  • Several years of experience in professional Java software development and proven success in implementing complex software projects.
  • Above-average successful degree in computer science, software engineering, or a comparable field with a clear focus on software development.
  • Strong knowledge of Java, Spring/Spring Boot, modern architectural and development approaches, test automation, CI/CD, and container technologies; initial experience with AI-powered software development is a plus.
  • Good German and English language skills for collaboration in interdisciplinary teams.
  • High degree of personal responsibility, analytical thinking, pragmatic solution orientation, and enjoyment in sharing knowledge and advancing technical topics.

What's On Offer

  • Access to attractive employee discounts and benefits with various partners and providers.
  • Job-bike leasing, subsidized fitness studio memberships, and diverse training opportunities for work-life balance.
  • Individually chosen training opportunities to expand skills and continuously develop.
  • Opportunity for company pension scheme to secure your future.

Apply via Haystack today!

Keywords
TeaSpring FrameworkPair ProgrammingJavaCI / CDRequirements analysisMaintainabilitySoftware EngineeringCI/CD

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