




Job Summary: We are seeking Full Stack profiles (junior/mid/senior) with advanced English proficiency to develop scalable solutions in an international payment industry environment. Key Highlights: 1. Participate in an international payment industry environment. 2. Develop scalable solutions using modern technologies. 3. Collaborate in an Agile environment with international teams. DESCRIPTION Are you interested in participating in an international environment linked to the payment industry and developing scalable solutions using modern technologies? We are looking for Full Stack profiles (junior/mid/senior) with advanced English proficiency to join a stable project. **Conditions:** * Permanent contract * Project location: Madrid * Work modality: Hybrid (2\-3 days/week onsite) * Working hours: Full-time (9 a.m.\-6 p.m.). Intensive schedule during summer. * Salary: €26,000\-€42,000 depending on years of experience **Responsibilities:** * Design and develop secure and scalable REST APIs. * Participate in Full Stack development using Java, Spring Boot, and JavaScript. * Build frontend applications using React and Angular. * Work with relational and NoSQL databases. * Develop unit and integration tests to ensure software quality. * Participate in CI/CD environments and deployments on containers and cloud platforms. * Collaborate in an Agile environment with international teams. REQUIREMENTS **Requirements:** * Minimum 1 year of experience as a Full Stack developer. * Java and JavaScript. * Spring Boot and Spring Security with role-based access control. * Node.js and Express. * Layered architecture and SOLID principles. * React (Hooks) and Angular. * HTML, CSS, and Bootstrap. * MySQL, PostgreSQL, and MongoDB. * JPA and one\-to\-many relationships. * Mongoose. * JUnit, Mockito, Jest, and Postman. * Docker, Jenkins, AWS, and Kubernetes. * CI/CD and API documentation using Swagger. * Advanced English (mandatory). **Desirable:** * Prior experience in international environments. * Knowledge of Agile methodologies. **What do we offer?** * Competitive salary based on experience * Permanent contract or Freelance contract option * 22 working days of vacation * Flexible compensation plan: Health insurance, childcare vouchers, transportation vouchers * Training in Technology and Soft Skills * Referral program: €500 per recommended candidate who joins us **Digital Group** We are a team of over 100 technology professionals, offering stable projects with leading national and international clients, developing solutions in Artificial Intelligence, Cloud, Cybersecurity, etc. We commit to supporting you throughout every project phase to ensure your professional growth with us and that your contribution matters. * **Want to stay up-to-date with the latest technologies and seek new challenges? Send us your CV and we’ll contact you!**


