Back End Developer / Integration Engineer

Banco Santander SA; Valladolid; On-site; EUR 50,000 - 70,000; Full time

Benefits offered by this job

BeHealthy wellness programme

Parental leave & childcare support

Volunteer opportunities

Career development

Job summary

Openbank seeks a Back End Developer / Integration Engineer to design, develop, and integrate secure, scalable backend solutions for critical banking processes. You will work with microservices, APIs, and cloud-native architectures, adhering to security and corporate standards.

Responsibilities include CI/CD, code reviews, security reinforcement, and collaboration with Cybersecurity, Architecture, and Cloud teams. English and Spanish are required for this role.

Qualifications

• 3-5 years of experience in technology projects, backend development and integration environments, with strong knowledge of Java 17+, Spring Boot, Spring JPA, Spring Security, microservices, APIs, and cloud/containerized environments.
• Bachelor’s degree in Computer Science, Software Engineering, or a related (required)
• Language: English (Required) Spanish (Required)
• Hard Skills: Java 17+, Spring Boot, Spring JPA, Spring Security, Spring Cloud Config, microservices, Kubernetes, AWS (EKS), DocumentDB, Aurora, KMS; SonarQube, Fortify, Trivy, Jira, Apigee; AI in software development; Devin preferred; security and compliance emphasized.

Responsibilities

• 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 CI/CD processes, code reviews, testing, security reinforcement, and continuous improvement of application quality.
• Collaborating with teams on banking processes, especially in Risk Management, AML, GDPR compliance, and third‑party integrations.
• Contributing to evolution of shared components, development of best practices, and advanced automation/AI usage in the lifecycle.

Skills

Java 17+

Spring Boot

Spring JPA

Spring Security

Microservices

APIs

AWS

Kubernetes

CI/CD

Apigee

SonarQube

Fortify

Trivy

Education

Bachelor’s degree in Computer Science or Software Engineering

Tools

Jira

Apigee

SonarQube

Fortify

Trivy

Job description

Back End Developer / Integration Engineer Country: Spain IT STARTS HERE Santander (www.santander.com) 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.

THE DIFFERENCE YOU MAKE

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.

WHAT YOU’LL BRING

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.

Professional Experience

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.

Education

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

Language

English (Required) Spanish (Required)

Hard Skills

Strong technical expertise in Java 17+, Spring Boot, Spring JPA, Spring Security, Spring Cloud Config, and microservices-based architectures, as well as hands‑on experience with Kubernetes, AWS, Amazon EKS, and other AWS cloud services such as DocumentDB, Aurora, and KMS, among others. (required)

Experience with and knowledge of tools such as SonarQube, Fortify, Trivy, Jira, and Apigee will be considered an advantage. (required)

Advanced use of Artificial Intelligence (AI) applied to software development, technical productivity, automation, analysis, and support across the software development lifecycle. (required)

Experience with Devin is highly desirable. (preferred)

Strong focus on software quality, code reviews, security best practices, and compliance with corporate technical standards. (Required)

Soft Skills

A collaborative mindset, strong commitment to teamwork, and a results‑oriented approach focused on delivering high‑quality outcomes.

WE VALUE YOUR IMPACT

• Your health is our priority. Through BeHealthy, our global wellness programme, we promote Holistic wellbeing.
• We know family is everything. That’s why we offer parental leave, childcare support and family‑friendly programmes tailored to each life stage.
• We’re enabling our teams to go beyond through global opportunities and broad career paths. We believe in the power of helping. You can dedicate part of your working hours to volunteering.
• We’re here to keep you motivated, help you reach your goals, and celebrate your progress, every step of the way.

Openbank is an equal opportunity employer

All applicants will be considered as equal without paying attention to gender identity, sexual orientation, ethnicity, religion, age, political orientation, union membership nor disability status.

We make recruiting decisions based on your experience and skills.

We value your passion to discover, invent, simplify, and build.

The personal data you provide as well as any data generated during the selection process are confidential and will be processed by Open Bank, S.A. with registered office at Avenida de Cantabria, n/n, 28660 Boadilla del Monte (Madrid), for the sole purpose of managing your participation in the selection processes and, where appropriate, to formalise your recruitment.

For further information about your rights and data protection, please read the Openbank Privacy Policy applicable to this type of data processing here