Senior Fullstack Engineer - AI-Driven Banking Platform

ODS Open Digital Services, S.L. (Spain); Santa Bàrbara; On-site; EUR 55,000 - 75,000; Full time

Job summary

Open Digital Services, part of Santander Group, seeks a Fullstack Engineer based in Madrid to drive end-to-end digital product development. You will own features across frontend, backend, and deployment, ensuring scalable, secure solutions with modern tech.

You will work with Java/Spring Boot, React, and AWS, applying CI/CD and testing best practices while collaborating with international teams. English required; Spanish preferred.

Qualifications

• More than 5 years of experience in software development.
• Strong hands-on experience in Java/Spring Boot and RESTful APIs/microservices.
• Proven experience with React-based applications and CI/CD.
• Bachelor’s degree in Computer Science, Software Engineering, IT, or related field.
• English language required; Spanish preferred.

Responsibilities

• Take ownership of full-stack feature delivery across frontend and backend layers.
• Design and develop scalable, cloud-native applications and microservices using Java, Spring Boot, React, PostgreSQL, and AWS.
• Champion software quality with robust testing, CI/CD automation, and DevOps practices.
• Collaborate with cross-functional and international teams to define technical solutions.
• Leverage AI-assisted development tools to improve productivity and code quality.

Skills

Java & Spring Boot

React

RESTful APIs

Microservices

CI/CD

Cloud AWS

DevOps

Git

Automation testing

Education

Bachelor’s degree in Computer Science

Tools

AWS

Git

Maven

JUnit

Mockito

Job description

Open Digital Services, part of Santander Group, seeks a Fullstack Engineer based in Madrid to drive end-to-end digital product development. You will own features across frontend, backend, and deployment, ensuring scalable, secure solutions with modern tech.

You will work with Java/Spring Boot, React, and AWS, applying CI/CD and testing best practices while collaborating with international teams. English required; Spanish preferred.