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