Senior Java Backend Developer | #14364 Senior Java Backend Developer (m/w/d)

Constaff GmbH

Frankfurt am Main, Hessen, Deutschland
Published May 7, 2026
Full-time
Fixed-term

Job Summary

As a Senior Java Backend Developer, you will play a pivotal role in the ongoing development and optimization of a high-traffic sales platform. Your day-to-day responsibilities include programming and implementing robust applications, interfaces, modules, and databases. You will be responsible for ensuring the stability, security, and performance of existing services through proactive refactoring, code reviews, and the implementation of automated testing strategies. Working within an agile Scrum framework, you will collaborate closely with cross-functional teams to deploy code via CI/CD pipelines. This position is ideal for an experienced developer who thrives on solving complex technical challenges, working with legacy code, and maintaining high standards for system documentation. You will be supported by a dedicated partner at Constaff, ensuring that your project assignments align with your professional expertise and career goals in a transparent, collaborative environment.

Required Skills

Education

Not specified

Experience

  • Several years of professional experience as a software developer in an agile environment.
  • Extensive experience in Java-based backend development and enterprise application architecture.
  • Demonstrated experience in managing legacy code, performing code reviews, and conducting refactoring.
  • Proven experience with test automation, including unit, integration, performance, and load testing.
  • Professional experience with CI/CD pipelines and container orchestration technologies.
  • Experience in documenting technical components and creating system documentation.

Languages

German (Basic)English (Basic)

Additional

  • Work permit for Germany required. Ability to work in an agile, team-oriented environment is essential.