Java Backend Developer
DataSmart, a Portuguese IT consulting company with 20+ years in the market, is hiring a Java Backend Developer for a hybrid role in Lisbon. Day to day: designing Java microservices, building REST APIs, optimizing database integration, and contributing to CI/CD and DevOps practices using Spring Boot, Docker, Kubernetes, and AWS/GCP.
- Compensation
- Not disclosed
- Location
- Portugal
- Work setup
- Hybrid
- Seniority
- Not specified
- Employment
- Not specified
- Experience
- 5+ years
- Category
- Backend
- Posted
Skills
Must have
- 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)
- 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
- 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
Nice to have
- Passion for continuous learning and professional growth
Full description
Tel.: +351 214 171 161 - Lisboa
Tel.: +351 253 120 734 - Braga
Fax: +351 214 177 610
(Chamada para a rede fixa nacional) (Call to the national fixed network)
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.
AtDataSmart, 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.