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# Full Stack Developer

- **Company:** ADP
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), JavaScript (Programming Language), Spring Security, Agile Methodology, Amazon Web Services, Application Performance Management, HTML5, User Authentication, Authentication Protocols, Microsoft Azure, Microsoft Online Services, Cascading Style Sheets (CSS), Cloud Engineering, Code Review, Communications Protocols, Databases, Continuous Integration, Database Design, Software Design Patterns, DevOps, Hibernate (Java), HP Systems Insight Manager, Java Persistence API, Apache Maven, Microsoft SQL Server, MySQL, OAuth, Oracle (Applications), Performance Tuning, Scrum Methodology, Query Optimization, Role-Based Access Control, Ui Patterns, Sourcetree, Responsive Web Design, Single Sign-On, Software Engineering, TypeScript, Web Applications, Data Logging, Enterprise Software Applications, ReactJS, Spring-boot, Software Security, Backend, Git, AngularJS, Git Flow, Material UI, Information Technology, Bitbucket, Front End Software Development, React Redux, Restful APIs, Docker, Microservices
- **Published:** November 10, 2026
- **Apply:** https://dejobs.org/x/x/064722D0ACA8423B9D95ECFB07C00BC1/job/

## About the Role

Frontend

 * Strong experience with React or Angular
 * JavaScript / TypeScript
 * HTML5, CSS3
 * Responsive Web Application Development
 * Experience building reusable UI components
 * Familiarity with state management libraries such as:
 * Redux
 * NgRx
 * Context API
 * Understanding of frontend performance optimization

Backend

 * Java 11/17+ Spring Boot
 * Spring Security
 * REST API Development
 * Hibernate / JPA
 * Basic understanding of Microservices Architecture
 * API integration and troubleshooting

Authentication & Authorization

 * JWT Authentication
 * OAuth 2.0 fundamentals
 * Single Sign-On (SSO) concepts
 * Role-Based Access Control (RBAC)
 * Understanding of secure session and token management

Database & DevOps

 * Oracle, SQL Server, MySQL
 * Database design and query optimization
 * Hands-on experience with Git/Bitbucket, SourceTree, branching strategies, pull requests, code reviews, and collaborative development workflows.
 * CI/CD fundamentals
 * Maven
 * Basic Docker knowledge

Preferred Skills

 * Experience with Azure or AWS
 * Familiarity with monitoring and logging tools
 * Experience working on enterprise applications
 * Understanding of design patterns and clean code principle, * Bachelor's degree in Computer Science, Engineering, Information Technology, or related field.
 * Minimum 4 years of hands-on software development experience.
 * Strong analytical and problem-solving skills.
 * Good communication and collaboration abilities.
 * Ability to work independently and as part of a team.

Nice to Have

 * Experience with Microsoft ecosystem and Azure services
 * Exposure to cloud-native application development
 * Understanding of API security best practices
 * Basic knowledge of performance tuning and application monitoring
 * Experience supporting applications in production environments

## Description

We are seeking a motivated and skilled Full Stack Developer with 5+ years of experience in developing modern web applications using React or Angular and Spring Boot. The ideal candidate should have hands-on experience in frontend and backend development, REST API integration, authentication mechanisms, and database-driven applications.

The candidate will work closely with product owners, architects, and development teams to deliver scalable, secure, and high-quality applications in an Agile environment., * Design, develop, test, and maintain web applications using React/Angular and Spring Boot.

 * Build responsive, reusable, and user-friendly UI components.
 * Develop and consume RESTful APIs.
 * Implement authentication and authorization solutions using industry-standard protocols.
 * Collaborate with cross-functional teams to deliver business requirements.
 * Participate in code reviews and contribute to application design discussions.
 * Troubleshoot and resolve application issues in development and production environments.
 * Ensure application performance, reliability, and security best practices.
 * Contribute to CI/CD processes and deployment activities.
 * Follow Agile/Scrum development methodologies.