Job Title: Java Full Stack Developer
Location: Madrid,(Hybrid)
Employment Type: [Full-Time]
We play a critical role in advancing national security through cutting-edge technology solutions. As a trusted partner to defence organizations and government agencies, we design and deliver secure, resilient, and scalable software systems that support mission-critical operations. Our team is composed of experienced engineers, analysts, and technologists committed to innovation, integrity, and excellence. Joining us means contributing to work that truly matters protecting people, assets, and infrastructure across the globe.
What You'll Do
Design, develop, and maintain robust back-end services using Java (Spring Boot, Hibernate, etc.)
Build intuitive and responsive front-end interfaces with modern JavaScript frameworks (React.js, Angular, or Vue.js)
Collaborate with cross-functional teams (Product, DevOps, QA) in an Agile/Scrum environment
Participate in code reviews, technical planning, and architecture discussions
Ensure application performance, scalability, and security
Write clean, testable, and well-documented code
Our Tech Stack
Back-End: Java 8/11+, Spring Boot, REST APIs, Hibernate/JPA
Front-End: React.js / Angular / Vue.js, TypeScript, HTML5, CSS3, Webpack
Database: PostgreSQL / MySQL / MongoDB
DevOps: Docker, Kubernetes, Jenkins, Git, AWS / Azure / GCP
Other Tools: Jira, GitHub/GitLab, CI/CD pipelines, Swagger/OpenAPI
Requirements
3+ years of experience in full-stack development with Java
Proficiency with modern front-end frameworks (React, Angular, or Vue)
Strong understanding of RESTful API design and microservices
Experience with relational and NoSQL databases
Familiarity with containerization and cloud platforms
Strong problem-solving skills and attention to detail
Excellent communication and collaboration abilities
Nice to Have
Experience with test automation frameworks (JUnit, Selenium, Cypress)
Knowledge of GraphQL, WebSockets, or event-driven architectures
Familiarity with agile methodologies and DevOps culture
Contributions to open-source projects or a strong GitHub portfolio