Fullstack Engineer - ODS

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

Fullstack Engineer - ODS 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.

Open Digital Services is the software development company of Santander Group powering the next generation of banks by creating innovative banking products and implementing them in collaboration with Santander Group Affiliates. Santander Group is one of the world’s largest financial institutions and the Eurozone's leader, we're committed to being the best Digital Bank with Branches in the industry. Our mission at ODS is to design and support an advanced digital and omnichannel platform, ensuring the best customer experience using cutting-edge technology. Openbank, our flagship partner, is where we develop our most advanced concepts first. Be part of our Best‑in‑Class team and help us create unique value for our customers!

THE DIFFERENCE YOU MAKE

Open Digital Services is looking for a Fullstack Engineer based out of Madrid. As a Full Stack Engineer, you will be responsible for driving the development and evolution of digital products and capabilities by building reliable, scalable, and secure Full Stack solutions. Own end-to-end features across the entire technology stack, covering frontend, backend, integration, persistence, testing, and deployment. Ensure technical excellence through automation, DevOps practices, software quality standards, and the adoption of emerging technologies, including Artificial Intelligence capabilities applied to software development. 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:

• Take ownership of full-stack feature delivery, driving the implementation of business requirements across frontend, backend, integration, persistence, testing, and deployment layers.
• Design and develop scalable, cloud-native applications and microservices using Java, Spring Boot, React, PostgreSQL, and AWS technologies.
• Champion software quality and engineering excellence by implementing robust testing frameworks, CI/CD automation, and modern DevOps practices.
• Collaborate with cross-functional and international teams to define technical solutions, resolve complex issues, and support the continuous evolution of digital platforms.
• Leverage modern development practices and AI‑assisted engineering tools to improve productivity, code quality, automation, and overall software delivery effectiveness.

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

• More than 5 years of experience in software development, with proven ability to work autonomously on Full Stack solutions and deliver end-to-end features across complex digital environments. (Required)
• Strong hands‑on experience in Java/Spring Boot development, including the design, implementation, integration, and maintenance of RESTful APIs and microservices within cloud-based architectures. (Required)
• Proven experience developing and enhancing React-based applications, working across the full software development lifecycle and applying modern engineering practices such as CI/CD, automated testing, and DevOps methodologies. (Required)
• Education Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related technical field. (Required)
• Language English (Required)
• Spanish (Preferred)

Hard Skills

• Full Stack Development: Strong experience developing end‑to‑end solutions using Java, Spring Boot, React, and modern web technologies. (Required)
• Cloud & Software Architecture: Experience working with AWS environments, microservices, REST APIs, PostgreSQL, and modern architectural patterns such as hexagonal and event‑driven architectures. (Required)
• DevOps & Quality Engineering: Solid knowledge of CI/CD pipelines, deployment automation, software testing, and engineering best practices to ensure high‑quality deliveries. (Required)
• Development Tools & AI Enablement: Proficiency with Git, Maven, JUnit, and Mockito, with experience leveraging AI‑assisted development tools to improve productivity and code quality. (Required)

Soft Skills

• Strong problem‑solving and analytical skills, with the ability to identify issues, evaluate alternatives, and deliver effective technical solutions.
• Ownership and accountability, demonstrating autonomy in managing end-to-end deliverables and driving results in complex environments.
• Collaboration and communication skills, with the ability to work effectively within cross-functional teams and contribute to technical discussions and decision‑making.

WE VALUE YOUR IMPACT

Your contribution matters, and it’s recognized. You can expect a fair, competitive reward package that reflects the impact you create and the value you deliver. But we know rewards go beyond numbers. We offer more than just a paycheck—our benefits are designed to support your life, your goals and your well‑being, now and into the future. 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 enable 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.

Open Digital Services 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 Digital Services, S.L. with registered office at Plaza de Santa Bárbara 2, 28004 (Madrid), Madrid, Spain 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 Open Digital Services Privacy Policy applicable to this type of data processing here

The Santander Way

The Santander Way 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. Ready to make it happen? It starts with you. It starts here.