senior software engineer
Sep 15, 2026 · SCYTALYS S.A.
What you'll do
- Design and develop high-quality software solutions using Java and Spring Boot
- Analyze technical requirements and translate them into scalable software designs
- Architect and implement core application features and backend services
- Integrate internal and third-party systems to enhance functionality and performance
- Optimize applications for performance, reliability, and maintainability
- Collaborate with engineers, architects, and stakeholders throughout the development lifecycle
- Contribute to technical decisions and propose solutions to engineering challenges
Key requirements
- 5+ years' experience
- Java and Spring Boot development skills
- Software Architecture and Software Design for scalable systems
- Experience with JPA/Hibernate or Spring Data for database handling
- Proficiency in Linux and Windows environments and Networking Concepts
- Skills in Application Debugging, Performance Optimization, and Software Troubleshooting
- Strong Communication Skills and Teamwork
- Computer Science / Electrical Engineering / Electronics Engineering
About the job
SCYTALYS is looking for an experienced and motivated Senior Software Engineer who will be at the heart of designing and building our systems. You will translate requirements into well-architected, maintainable software and play a key role in shaping the technical direction of the products you work…
About the company
SCYTALYS is a leading defense software development and integration company, founded in 1993 in Greece, specializing in design, development, installation, and testing. The company has an outstanding record of participation in domestic programs supporting Hellenic forces, and through its long history of engineering innovation, reliability, efficiency, and quality of service, has managed to become the preferred partner of multinational companies and organizations in the Aerospace, Defense and Security sectors, providing quality-driven solutions. SCYTALYS has also leveraged its global presence building on proven capabilities and products, responding to modern technological challenges, and achieving the delivery of complex software systems based on customer specific requirements. The company’s R&D and production of innovative technologies enable customers to achieve Interoperability, improving communication, enhancing Situational Awareness and Domain Supremacy, and thereby creating an effective Network-Centric Warfare environment. In addition, the company utilizes high-end and field-proven technologies in the design and development of advanced product solutions in the areas of Tactical Data Links, Mission and Tactical Command & Control Systems, C4I Systems, Training, Testing & Simulation, Surveillance & Reconnaissance.
About the company
SCYTALYS is a leading defense software development and integration company, founded in 1993 in Greece, specializing in design, development, installation, and testing. The company has an outstanding record of participation in domestic programs supporting Hellenic forces, and through its long history of engineering innovation, reliability, efficiency, and quality of service, has managed to become the preferred partner of multinational companies and organizations in the Aerospace, Defense and Security sectors, providing quality-driven solutions. SCYTALYS has also leveraged its global presence building on proven capabilities and products, responding to modern technological challenges, and achieving the delivery of complex software systems based on customer specific requirements. The company’s R&D and production of innovative technologies enable customers to achieve Interoperability, improving communication, enhancing Situational Awareness and Domain Supremacy, and thereby creating an effective Network-Centric Warfare environment. In addition, the company utilizes high-end and field-proven technologies in the design and development of advanced product solutions in the areas of Tactical Data Links, Mission and Tactical Command & Control Systems, C4I Systems, Training, Testing & Simulation, Surveillance & Reconnaissance.