Tel.: +351 214 171 161 - LisboaTel.: +351 253 120 734 - BragaFax: +351 214 177 610(Chamada para a rede fixa nacional) (Call to the national fixed network)About Us:Data Smart is a Portuguese company, positioning itself as a consulting company of excellence, with over 20 years of existence. We are specialized in Technologies and Information Systems services, for the Portuguese and International markets. We pride ourselves on fostering a culture of involvement, experience, and excellence.Join our team as aSenior Java Developer(Hybrid – Lisbon)!What You'll Do:Design, develop, and maintain robust and scalable backend solutions using Java 8+ and Spring Boot.Architect and implement high-performance RESTful APIs and enterprise-grade services.Contribute to system design decisions, ensuring clean architecture and best engineering practices.Optimize database interactions, queries, and transactions across relational databases.Integrate applications within containerized environments using Docker and support CI/CD automation processes.Collaborate in Agile/Scrum teams, actively contributing to sprint planning, reviews, and continuous improvement.Participate in code reviews, and promote high coding standards.Ensure applications meet performance, security, and maintainability standards.Qualifications:Minimum 5 years of professional experience in Java development (Java 8 or higher).Strong hands‐on experience with Spring Boot.Proven experience designing and implementing RESTful APIs.Solid knowledge of relational databases, including Oracle and Postgre SQL, with strong SQL skills.Experience working with Docker and CI/CD pipelines in modern development environments.Familiarity with Agile/Scrum methodologies.Experience with Redis or Mongo DB is valued.Knowledge of the Apache Velocity Framework is a plus.Exposure to Kubernetes and/or cloud environments is a plus.Strong analytical thinking, problem‐solving mindset, and attention to code quality.English proficiency at a professional level (minimum B2).Living in Portugal and available to work in a hybrid model in Lisbon.At Data Smart, you will have the opportunity to integrate into a solid company and participate in projects of high recognition, nationally and internationally, with an appealing technological environment and career progression.Excellence in the way to the future!Connect with Us : Follow us on Linked In for updates on career opportunities, company news, and industry insights! For further details, visit us at www.datasmart.pt#Join Our Team #Data Smart #Think Data Be Smart #Senior Java #Spring Boot #REST #Docker #CI/CD