Senior Java Backend Developer

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Java Backend Developer in Spain.

This is an exciting opportunity for a senior backend engineer to join a highly collaborative, multidisciplinary environment and contribute to the development of a brand-new greenfield platform. You will be responsible for designing and building scalable APIs and microservices using modern Java ecosystems, playing a key role in shaping the technical foundation from the ground up. The role combines strong software engineering expertise with architectural thinking, continuous delivery practices, and close collaboration with cross-functional teams. You will actively contribute to defining technical standards, improving code quality, and ensuring robust engineering practices across the project. Working in an agile, innovation-driven environment, you will help translate complex business needs into efficient and maintainable backend solutions. This position is ideal for a senior developer who enjoys technical ownership, clean architecture, and working on impactful, high-complexity systems.

• Participate in the design, development, and evolution of a greenfield backend platform from its early stages.
• Build and maintain scalable APIs and microservices using modern Java frameworks and best practices.
• Collaborate with cross-functional teams to define technical standards, coding guidelines, and software architecture principles.
• Contribute to CI/CD pipelines and ensure smooth integration and deployment workflows.
• Work within version control and agile development environments to deliver high-quality software efficiently.
• Analyze complex business requirements and translate them into robust technical solutions.
• Ensure code quality, maintainability, and performance across backend systems.
• Support continuous improvement of development processes and engineering practices.

Requirements:

• Fluency in English (minimum C1 level, spoken and written).
• Strong experience with Java 17 and/or Java 21.
• Advanced expertise in Spring Boot 3.5.x or 4.0.x.
• Expert-level knowledge of Git and version control workflows.
• Hands-on experience with CI/CD tools such as Jenkins, GitHub Actions, or equivalents.
• Practical knowledge of OpenAPI for API design and documentation.
• Experience working with AI prompting concepts at a developer level.
• Ability to work in a Mac-based corporate development environment from day one.
• Strong problem-solving skills and ability to understand complex systems.
• Experience in agile, collaborative, and fast-paced engineering environments.

Benefits:

• Permanent contract with a competitive salary package.
• Flexible work model with remote working options.
• Personalized career development plan and continuous learning opportunities.
• Stable, long-term technical projects with strong engineering focus.
• Flexible working hours supporting work-life balance.
• Social benefits tailored to individual needs.
• Collaborative and inclusive culture focused on personal and professional growth.