Back End Developer​/Integration Engineer

Back End Developer / Integration Engineer Country:
Spain IT STARTS HERE Santander () is evolving from a global, high-impact brand into a technology-driven organization, and our people are at the heart of this journey. Together, we are driving a customer-centric transformation that values bold thinking, innovation, and the courage to challenge what’s possible. This is more than a strategic shift. It’s a chance for driven professionals to grow, learn, and make a real difference.

Our mission is to contribute to help more people and businesses prosper. We embrace a strong risk culture and all our professionals at all levels are expected to take a proactive and responsible approach toward risk management. Openbank is Santander Group's global digital consumer bank, bringing together retail banking, mobility finance and consumer lending solutions in one integrated digital platform.

Openbank is looking for a Backend Developer based out of Madrid or Valladolid. As a Back End Developer / Integration Engineer, your mission will be to design, develop, and integrate secure, scalable, and high-quality backend solutions that support critical banking processes, leveraging modern cloud-native architectures, APIs, and microservices while ensuring compliance with corporate architecture, security, and software engineering standards. We’re shaping the way we work through innovation, cutting-edge technology, collaboration and the freedom to explore new ideas.

To succeed in this role, you will be responsible for:

• Participating in the design and development of backend applications and integration solutions based on microservices architectures, as well as the definition, development, and maintenance of APIs of various types.
• Working closely with Cybersecurity, Architecture, and Cloud teams to ensure compliance with technology, security, and software quality standards.
• Actively contributing to continuous integration and deployment (CI/CD) processes, code reviews, testing activities, technical security reinforcement, and the continuous improvement of application quality.
• Collaborating with technical and functional teams on initiatives related to banking processes, particularly in the areas of Risk Management, Anti-Money Laundering (AML), GDPR compliance, and third‑party integrations.
• Contributing to the evolution of shared components, development of best practices, and the advanced use of automation and artificial intelligence tools throughout the software development lifecycle.

Our people are our greatest strength. Every individual contributes unique perspectives that make us stronger as a team and as an organization. We’re enabling teams to go beyond by valuing who they are and empowering what they bring.

The following requirements represent the knowledge, skills, and abilities essential for success in this role. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

3-5 years of experience in technology projects, particularly in backend development and integration environments, with strong knowledge of Java 17+, Spring Boot, Spring JPA, Spring Security, microservices, APIs, and cloud/containerized environments. Previous experience in banking processes, especially in Risk Management, Compliance, and third‑party integrations, will be considered a strong asset. Previous experience in projects within the financial services industry.

Bachelor’s degree in Computer Science, Software Engineering, or a related (required)

English (Required) Spanish (Required)

Strong technical expertise in Java 17+, Spring Boot, Spring JPA, Spring Security, Spring Cloud Config, and…