Senior Java Software Engineer

Job Title: Senior Java Engineer Job Type: Contract Job Location: Barcelona, Spain Hybrid/Onsite: Hybrid Key Responsibilities: Design, develop, and maintain robust Java-based backend services and APIs. Lead architectural discussions and design reviews. Collaborate with cross-functional teams to define, design, and ship new features. Optimize applications for maximum speed and scalability. Write clean, maintainable, and efficient code following best practices. Conduct code reviews and provide mentorship to junior developers. Troubleshoot and resolve complex technical issues. Contribute to DevOps efforts and CI/CD pipeline improvements. Ensure application performance, uptime, and scalability. Required Skills: Strong hands-on experience with Java (8 or above) , Spring Framework (Spring Boot, Spring MVC, Spring Data) . Experience with RESTful APIs and microservices architecture . Proficiency in SQL and working with relational databases like MySQL, PostgreSQL, or Oracle. Good knowledge of build tools like Maven or Gradle. Familiarity with Git , CI/CD tools (Jenkins, GitLab CI/CD), and containerization (Docker). Experience with unit testing frameworks like JUnit, Mockito. Familiarity with cloud platforms such as AWS , Azure , or GCP is a plus. Experience working in Agile/Scrum environments

Location: Barcelona, Província de Barcelona, ES

Posted Date: 8/17/2025