JUST ONE, on behalf of its client, a leading European space and technology company driving cutting-edge satellite systems and aerospace engineering solutions, is looking for a motivated and technically driven Software and IT Engineer to join their growing team in Greece.

The Software Development Engineer will play a critical role in developing software solutions while also providing essential IT support services. This position requires a versatile individual who can excel in software development projects and handle basic IT support tasks as needed.

Responsibilities:

• Participate in software development projects, including design, coding, testing, and deployment phases.
• Collaborate with cross-functional teams to develop and maintain software applications that meet business requirements.
• Provide basic IT support services, including troubleshooting software and hardware issues, user support, and system maintenance tasks.
• Assist in setting up and configuring software and hardware for internal users.
• Work closely with the IT team to address technical issues and ensure smooth operation of systems.
• Contribute to the documentation of software solutions, IT processes, and support activities.
• Stay updated on emerging technologies and best practices in software development and IT support.
• Preparation of responses to calls for tenders (ESA, Horizon Europe etc.) 
• Identify requirements, participate in design & specification generation activities. 
• Contribute to ESA management and technical documentation for project reviews. 
• Implement and maintain software applications, IT systems, and network infrastructure. 

Requirements

• BSc or MSc degree in Computer Science, Information Technology, or related field. 
• Strong knowledge in software development, IT infrastructure, and system administration. 
• Experience with distributed computing, cloud technology, and virtualization/containerization. 
• Proficiency in programming languages such as Python, Java and JavaScript. 
• Familiarity with web development frameworks and libraries such as React.js, Angular, Node.js, etc. 
• DevOps knowledge including CI/CD (GitLab CI/CD pipelines) and scripting languages (Bash, Python)  
• Experience with network administration, server management, and security protocols. 
• Strong analytical and problem-solving skills. 
• Excellent communication and teamwork abilities. 
• English (proficient level, required) and German (good-to-have). 
• Willingness to take on challenges, show resiliency and like to always learn new skills 
• Military service obligations fulfilled (for male Greek citizens)

Benefits

• Base Salary €32K/yr - €42K/yr depending on level of experience, can be negotiated for senior profiles
• Real leadership responsibilities and meaningful hands‑on engineering.
• Collaborative, high‑trust culture that values initiative, asking questions early, and taking calculated risks.
• Private health insurance, flexible hours, remote work on a case‑by‑case basis, training/certification budget, business travel opportunities, and benefit vouchers.
• Locations: Athens or Heraklion (Crete); hybrid options considered case‑by‑case.