Java Developer

Design, develop, test, and maintain a Java-based application used as an online help and technical documentation platform. Work extensively with Eclipse IDE, OOP principles, and established Java web technologies. Develop and maintain responsive web components using Java, JavaScript, HTML5, CSS3, XML, and XSLT. Build, package, and release documentation and application updates using Jenkins CI, GIT, and related tooling. Provide technical support and continuous improvement for the Eclipse-based online help system. Contribute to the Documentation RAG project by supporting the design and implementation of Retrieval-Augmented Generation pipelines (e.g., data ingestion, chunking strategies, prompt handling). Take ownership of the integration layer between Java-based platforms and Python-based RAG services, including API design, authentication, error handling, and performance considerations. Develop and maintain supporting services and scripts in Python, following clean coding and testing best practices. Assist in evaluating AI/LLM solutions with respect to correctness, performance, and robustness.

Bachelor’s or master’s degree in computer science, Information Technology, or a related field. Strong hands-on experience with Java, object-oriented programming, and Eclipse-based development. Practical experience with web technologies (JavaScript, HTML5, CSS3, XML/XSLT). Experience with CI/CD pipelines (e.g., Jenkins), version control (Git), and development on Linux and Windows. Willingness and ability to work with Python in the context of AI-enabled tooling and automation. Strong analytical skills with the ability to quickly understand complex technical environments. Very good English communication skills and a collaborative, team-oriented mindset. Good To Have: Exposure to AI/LLM-based systems, especially RAG architectures. Experience in integrating backend services (e.g., Python services, REST APIs) with Java-based applications. Familiarity with modern AI tooling, evaluation methods, or documentation automation. Full-stack development experience or prior work on developer tooling platforms.

• Work extensively with Eclipse IDE, OOP principles, and established Java web technologies.
• Develop and maintain responsive web components using Java, JavaScript, HTML5, CSS3, XML, and XSLT.
• Build, package, and release documentation and application updates using Jenkins CI, GIT, and related tooling.
• Provide technical support and continuous improvement for the Eclipse-based online help system.
• Contribute to the Documentation RAG project by supporting the design and implementation of Retrieval-Augmented Generation pipelines (e.g., data ingestion, chunking strategies, prompt handling).
• Take ownership of the integration layer between Java-based platforms and Python-based RAG services, including API design, authentication, error handling, and performance considerations.
• Develop and maintain supporting services and scripts in Python, following clean coding and testing best practices.
• Assist in evaluating AI/LLM solutions with respect to correctness, performance, and robustness.

Your Qualifications

• Bachelor’s or master’s degree in computer science, Information Technology, or a related field.
• Strong hands-on experience with Java, object-oriented programming, and Eclipse-based development.
• Practical experience with web technologies (JavaScript, HTML5, CSS3, XML/XSLT).
• Experience with CI/CD pipelines (e.g., Jenkins), version control (Git), and development on Linux and Windows.
• Willingness and ability to work with Python in the context of AI-enabled tooling and automation.
• Strong analytical skills with the ability to quickly understand complex technical environments.
• Very good English communication skills and a collaborative, team-oriented mindset.

Good To Have:

• Exposure to AI/LLM-based systems, especially RAG architectures.
• Experience in integrating backend services (e.g., Python services, REST APIs) with Java-based applications.
• Familiarity with modern AI tooling, evaluation methods, or documentation automation.
• Full-stack development experience or prior work on developer tooling platforms.

Our offer Flexibility Benefits Development Fitness Security

Flexible and trust-based working hours, 30 vacation days + option for additional vacation days, mobile working, individual part-time models and programs for extended periods of absence

Attractive salary, share in Advantest´s success through our exceptionally appealing bonus program as well as numerous subsidies, discounts and offerings (e.g. bike leasing)

Structured onboarding programs and mentoring, development discussions, technical and soft skill trainings, language courses and knowledge sessions