Senior Java Developer

We are looking for a Senior Backend Engineer to join the team and play an active role in the technical evolution. This is not just a feature-delivery role, we're looking for someone with strong technical judgment who enjoys challenging existing solutions, proposing improvements, and helping raise the overall engineering standards of the system.

You will work closely with a collaborative and product-focused engineering team, contributing to backend services design, API architecture, code quality initiatives, and long-term platform maintainability.

What You'll Do

• Design and develop scalable backend services using Java and Spring Boot (3/4).
• Build and maintain REST APIs following an API-first approach with OpenAPI.
• Apply clean architecture principles and software design patterns to create maintainable and extensible systems.
• Improve and optimize the persistence layer using Hibernate/JPA.
• Identify technical debt and structural issues, proposing practical and sustainable solutions.
• Promote engineering best practices, code quality, and continuous improvement within the team.
• Collaborate with frontend developers and cross-functional teams to deliver clear, consistent, and well-documented APIs.
• Contribute to architectural discussions and technical decision-making.

Do you have experience in REST?, * 5+ years of experience developing backend applications with Java.

• Strong experience with Spring Boot 3 or higher.
• Solid understanding of software design patterns and engineering best practices.
• Hands-on experience with Hibernate/JPA and data modeling.
• Experience designing REST APIs using OpenAPI and API-first methodologies.
• Passion for code quality, maintainability, and scalable software design.
• A proactive mindset and the ability to challenge ideas constructively to improve the product and the platform.
• Fluent proficiency in English
• Fluent proficiency in Spanish

Nice to Have

• Experience working in distributed systems or microservices environments.
• Familiarity with CI/CD pipelines and cloud environments.
• Experience participating in architectural modernization initiatives.

• Full-time contract.
• Smart Office Pack so that you can work comfortably from home.
• Training and career development.
• Benefits and perks such as private medical insurance, life insurance, lunch and travel cards as part of the flexible remuneration package.
• Possibility to be part of a multicultural team and work on international projects.
• Possibility to manage work-permits.

If you are passionate about development & tech, we want to meet you!

Talan Spain's commitment to non-discrimination based on gender, race, ideology, or any other reason, in accordance with the company's "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree-Law 6/2019).

Join Us! Why Talan? For the 4th consecutive year, Talan Spain has been recognized as a Great Place to Work! This year, we're also celebrating our 2nd certification in Poland, a significant milestone since opening our office there. Talan is an international advisory group specializing in innovation and transformation through technology, with 5,000 employees and an annual turnover of 600M€. We offer our customers a continuum of services to support them at each key stage of their organization's transformation, with four main activities: * CONSULTING in Management and Innovation: Supporting business, managerial, cultural, and technological transformations. * DATA & TECHNOLOGY: Implementing major transformation projects. * CLOUD & APPLICATION SERVICES: Building or integrating software solutions. * SERVICE CENTERS of EXCELLENCE: Providing technology, innovation, agility, sustainability of skills, and cost optimization. Talan accelerates its clients' transformation through innovation and technology. By understanding their challenges and supporting them with technology, innovation, and data, we enable them to be more efficient and resilient.