DataSmart

DataSmart emerged in 2003 as a provider of IT services, primarily focusing on consulting, training, and outsourcing.
About company

Java backend developer

Remote

location Lisbon

date June 20, 2026

types Hybrid

Java Backend Developer

# Think Data Be Smart #

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, and maintain high-quality Java applications.
  • Implement and optimize microservices 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 and maintain technical 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.
  • Previous experience in an Agile environment using Scrum.
  • Portuguese and English proficiency at 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 www.datasmart.pt

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