Senior Java Fullstack Developer (m/w/d)

About This Opportunity

We are representing a confidential public-sector technology organization based in Germany. Our client is seeking a Senior Java Fullstack Developer to join their team supporting a critical government IT initiative. This role focuses on designing and implementing business process workflows that coordinate operations across multiple systems within a large-scale distributed environment.

This position is based in Kaarst, Nordrhein-Westfalen, with predominantly remote work and occasional on-site meetings (approximately once per month).

Responsibilities

• Design, model, and implement business processes using BPMN and Camunda workflow engine, from requirements gathering through technical delivery
• Develop and enhance high-performance backend components using Java (17/21) and Spring Boot to support complex, cross-system business processes
• Design and implement interfaces (REST, SOAP, Messaging) and coordinate with adjacent systems and teams
• Create technical solution designs for system-wide process flows and integrate them into existing architectures
• Participate actively in transforming and processing large data volumes within distributed system landscapes
• Collaborate with project stakeholders through remote meetings and occasional in-person sessions
• Create, execute, and document developer and integration tests to ensure software quality
• Maintain, support, and continuously optimize existing software components in production
• Produce technical documentation including interface specifications, installation guides, and operations manuals

What We're Looking For

• Minimum 7 years of hands-on experience developing backend applications with Java, plus strong knowledge of modern frameworks including Spring and Spring Boot
• Extensive experience building distributed systems and microservice architectures with solid understanding of interface technologies (REST, SOAP, Messaging)
• Practical experience with BPMN and workflow engines (particularly Camunda) and strong understanding of business process modeling
• Deep knowledge of databases (Oracle, PostgreSQL) and ORM frameworks such as Hibernate/JPA
• Experience working with Linux systems and basic shell scripting capabilities
• Proficiency with standard development and collaboration tools (Git, Jenkins, Gradle, Jira, Confluence)
• Structured, solution-oriented working style with ability to explain complex technical concepts clearly
• Experience in the public sector or within large, distributed IT system landscapes is advantageous
• Excellent German language skills, written and spoken (C1 level required)

How We Work With You

When you apply through Get A Job.ai, our recruiting team will review your profile and conduct an initial screening conversation. If there's a strong match, we'll submit your candidacy to our client for consideration. Please do not contact the client directly—all communication and coordination will flow through our talent team to ensure the best experience for everyone involved.

Pay

Compensation details will be discussed during the screening process based on your experience and qualifications.

Equal Opportunity: Get A Job.ai is committed to inclusive recruiting practices. We welcome applications from all qualified candidates regardless of background, identity, or circumstance.