senior frontend engineer
Oct 17, 2026 · SCYTALYS S.A.
What you'll do
- Design, develop, and maintain responsive web applications using React
- Build reusable, scalable components for long-term maintainability
- Translate UI/UX designs into high-quality, accessible user interfaces
- Integrate front-end applications with REST APIs and back-end services
- Optimize application performance, reliability, and user experience across browsers and devices
- Collaborate with cross-functional teams to deliver robust technical solutions
- Participate in code reviews and promote code quality and maintainability
- Design and evolve scalable front-end architectures, component libraries, and shared frameworks
- Define testing strategies and contribute to automated testing standards and coverage goals
- Mentor team members and improve engineering practices
Key requirements
- 5+ years' experience
- React, JavaScript (ES6+), TypeScript, HTML5, and CSS3
- Frontend architecture and state management
- Automated testing and performance optimization
- REST APIs, asynchronous programming, and client-side integration
- Secure coding and CI/CD workflows
- Code reviews
- Computer Science / Electrical Engineering / Electronics Engineering / Any Fieldpreferred
About the job
SCYTALYS is currently looking for a skilled Senior Frontend Engineer to design, develop, and maintain modern web applications for mission-critical systems. The successful candidate will be responsible for building scalable and high-performance user interfaces, driving front-end architecture…
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.