senior software engineer
Oct 17, 2026 · SCYTALYS S.A.
What you'll do
- Design and develop software solutions using Java and Spring Boot
- Analyze requirements and translate them into scalable software designs
- Architect and implement application features and backend services
- Integrate internal and third-party systems
- Optimize applications for performance, reliability, and maintainability
- Collaborate with engineers, architects, and stakeholders throughout development
- Contribute to technical decisions and propose solutions to engineering challenges
Key requirements
- 5+ years' experience
- Java, Spring Boot, and backend development
- Software architecture and design for scalable software solutions
- Relational databases, NoSQL databases, and JPA/Hibernate or Spring Data
- Application debugging, performance optimization, and troubleshooting
- Linux and Windows environments and networking concepts
- Systems integration and software development
- Computer Science / Electrical Engineering / Electronics Engineering / Any Field
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.