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About Us: DataSmart 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 a Java Backend Developer (Hybrid – Lisbon)!

What You’ll Do:

Design, develop, andmaintainhigh-quality Java applications.
Implement andoptimizemicroservices and modular architectures.
Build and enhance RESTful APIs and backend services.
Ensure strong database integration, query optimization, and data integrity.
Contribute to CI/CD pipelines, automation, and DevOps practices.
Participate in code reviews, ensuring clean, maintainable, and secure code.
Collaborate with cross-functional teams to deliver sprint goals on time.
Write andmaintaintechnical documentation.
Ensure applications follow best practices, performance standards, and security guidelines.

Qualifications:

5+ years of experience in Java 8+ development.
Solid knowledge of RDBMS technologies (Oracle, PostgreSQL, SQL).
Hands-on experience with Spring/Spring Boot.
Understanding of application architectures (Microservices, Hexagonal Architecture, etc.).
Experience with CI/CD pipelines, Docker and Kubernetes.
Experience in API design and RESTful services.
Experience working with AWS or GCP cloud environments.
Strong problem-solving skills and logical thinking.
Passion for continuous learning and professional growth.
Previousexperience in an Agile environment using Scrum.
Portuguese and Englishproficiencyat a professional level(minimum B2).
Living in Portugal and available to work in a hybrid model.

At DataSmart , 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 LinkedIn for updates on career opportunities, company news, and industry insights! For further details, visit us at

#JoinOurTeam #DataSmart #ThinkDataBeSmart #Java #SpringBoot #Microservices #BackendDeveloper #JavaLead #AWS #Agile #Scrum

Do you accept the challenge?
We are waiting for you!

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Java Backend Developer

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