Real-Time Java Systems Engineer for Maritime Defense

Terma Group; København, Søborg; Hybrid; DKK 700,000 - 900,000; Full time

Benefits offered by this job

International Environment

Flexible Working Hours

Comprehensive Benefits Package

Well-being Perks

Social and Professional Events

Job summary

Terma Group is seeking a Java Software Engineer to develop robust backend and system-level software for advanced maritime defense systems. You will design, implement, and maintain components across their lifecycle in Core Java, focusing on performance, reliability, and collaboration with cross-disciplinary teams.

You will work within the Sensors & Detection team, leveraging object-oriented design, SOLID principles, and testing practices to deliver high-quality software for mission-critical

Qualifications

• Experience developing software in Java and the Core Java ecosystem.
• Worked with multithreading, concurrency, and synchronization.
• Experience building performance-critical, real-time, or highly concurrent systems.
• Experience designing modular, maintainable, and testable software solutions.
• Experience with Java testing frameworks such as JUnit and Mockito, and tools like Git and Maven.
• Experience with TCP/IP and UDP communication, Java Swing, CI/CD tools, or high-reliability environments.

Responsibilities

• Design real-time components that communicate through TCP/IP and UDP with sensor hardware.
• Strong foundation in object-oriented design and SOLID principles.
• Work extensively with multithreading and performance-critical code.
• Develop new components as well as maintain existing ones.
• Take ownership of components across their lifecycle — from design to long-term maintenance.
• Collaborate with engineers and domain specialists across software and system disciplines.
• Ensure high quality through testing, code reviews, and continuous improvement.
• Support and mentor team members through knowledge sharing and technical discussions.

Skills

Java

Multithreading

Real-time systems

Modular design

JUnit Mockito

Git Maven

TCP/UDP

Java Swing

CI/CD

High reliability

Job description

Terma Group is seeking a Java Software Engineer to develop robust backend and system-level software for advanced maritime defense systems. You will design, implement, and maintain components across their lifecycle in Core Java, focusing on performance, reliability, and collaboration with cross-disciplinary teams.

You will work within the Sensors & Detection team, leveraging object-oriented design, SOLID principles, and testing practices to deliver high-quality software for mission-critical