Job Summary
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 idóneo 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.
Key Responsibilities 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. Required Skills:
Frontend Strong experience with React or Angular
Java Script / Type Script
HTML5, CSS3
Responsive Web Application Development
Experience building reusable UI components
Familiarity with state management libraries such as:
Redux
Ng Rx
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 & Dev Ops Oracle, SQL Server, My SQL
Database design and query optimization
Hands‑on experience with Git/Bitbucket, Source Tree, 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 Qualifications 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 A little about ADP:
We are a comprehensive global provider of cloud‑based human capital management (HCM) solutions that unite HR, payroll, talent, time, tax and benefits administration and a leader in business outsourcing services, analytics, and compliance expertise. We believe our people make all the difference in cultivating a down‑to‑earth culture that embraces our core values, welcomes ideas, encourages innovation, and values belonging. We've received recognition for our work by many esteemed organizations, learn more at ADP Awards and Recognition ().
Diversity, Equity, Inclusion & Equal Employment Opportunity at ADP:
ADP is committed to an inclusive, diverse and equitable workplace, and is further committed to providing equal employment opportunities regardless of any protected characteristic including: race, color, genetic information, creed, national origin, religion, sex, affectional or sexual orientation, gender identity or expression, lawful alien status, ancestry, age, marital status, protected veteran status or disability. Hiring decisions are based upon ADP’s operating needs, and applicant merit including, but not limited to, qualifications, experience, ability, availability, cooperation, and job performance.
Ethics at ADP:
ADP has a long, proud history of conducting business with the highest ethical standards and full compliance with all applicable laws. We also expect our people to uphold our values with the highest level of integrity and behave in a manner that fosters an honest and respectful workplace. Click to learn more about ADP’s culture and our full set of values.
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📌 Full Stack Developer (Barcelona)
🏢 Automatic Data Processing
📍 Barcelona