Job Summary: We are seeking a Junior Back-End Engineer to design, develop, and provide technical leadership for microservice-based solutions within the New Services domain. Key Highlights: 1. Customer-centric transformation driven by innovation and courage. 2. Technological innovation leveraging cloud-native architectures and generative AI. 3. Promotion of engineering best practices and DevSecOps culture. Junior Back\-End Engineer – SDS Country: Spain **NOW IS THE TIME** Santander ( www.santander.com ) is evolving from **a high-impact global 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 an opportunity for motivated professionals to grow, learn, and make a real difference**. Our mission is to help more **people and businesses thrive**. We embrace a strong risk culture, and all our professionals at every level are expected to adopt a proactive and responsible approach to risk management. **Technology at Santander: where innovation powers the business** Being part of the **Technology** team at Santander means working at the heart of the Group’s transformation. Our purpose is to support the businesses with innovative solutions that deliver real impact for customers, professionals, and communities. We contribute to business challenges by combining **cutting-edge technology** — from cloud-native architectures and data streaming to generative artificial intelligence — with **agile and collaborative methodologies**. Here, every line of code, every operational improvement, and every process optimization has purpose, and everything we build contributes to a more **inclusive, efficient, and sustainable future**. **THE IMPACT YOU’LL MAKE** **Santander Digital Services** is looking for a **Junior Back\-End Engineer** based in **Madrid**. **Job Mission** Senior Back\-End Engineer responsible for designing, developing, and providing technical leadership for microservice-based solutions within the New Services domain, ensuring scalability, security, resilience, and software quality. We are **shaping how 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: * Designing and developing microservices within distributed architectures. * Ensuring quality, performance, security, and compliance with Santander’s technical standards. * Promoting engineering best practices (SOLID, clean code, testing, automation). * Driving DevSecOps culture and continuous improvement. * Overseeing CI/CD and delivery processes. * Collaborating with Front\-End, architecture, and other domain teams. * Optimizing costs and operational excellence. **WHAT YOU’LL BRING TO THE TEAM** Our people are our greatest strength. Each individual brings unique perspectives that make us stronger as a team and as an organization. We are **empowering teams to go beyond**, by valuing who they are and amplifying what they bring. The following requirements represent the essential knowledge, skills, and abilities required for success in this role. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. **Professional Experience** * 1\-2 years of back\-end development experience. (Mandatory) * Solid experience with microservice architectures. (Mandatory) * Experience in Agile environments. * Experience with CI/CD (preferably GitHub ecosystem). **Core Technologies** * **Java \+ Spring Boot** (Mandatory). * Testing: TDD / BDD. * Containers: Docker. * Orchestration: Kubernetes / OpenShift. * Experience with REST APIs. * Database management experience (relational and/or NoSQL). **Engineering Knowledge** * SOLID principles. * Design of scalable and resilient software. * Secure development best practices. **Education** * Bachelor’s degree in Computer Science, Engineering, or related field. **Languages** * Spanish (Mandatory) * English (Preferred) **Soft Skills** * Collaboration capability. * Teamwork. * Adaptability. * Time management. **WE VALUE YOUR IMPACT** **Your contribution matters**, and it is recognized. You can expect a fair and competitive rewards package reflecting **the impact you create** and the value you deliver. But we know rewards go beyond numbers. * We empower **our teams to go beyond**, through global opportunities and broad professional pathways. * Flexibility that works. Enjoy **hybrid working models**, with some days remote and others on-site with your team, alongside flexible hours. * **Lifelong learning**. Access hundreds of courses on our platforms, including exclusive access to our global learning space: **Santander Open Academy** (www.santanderopenacademy.com) * Competitive rewards. Receive a **highly competitive salary with performance-based bonuses**, motivating you to keep growing with us. * Financial benefits. Benefit from **preferential banking conditions, special interest rates** on loans, life insurance, and more. * Your health is our priority. Through **BeHealthy**, our global wellbeing program, we promote **holistic wellbeing**. * We know **family comes first**. That’s why we offer childcare support and family programs tailored to each life stage. * **Always by your side**. Access **Santander Contigo**, our employee and family assistance program offering legal, emotional, and administrative advisory services. * **Additional benefits**. Gym/WellHub membership, medical centers at some of our facilities, meal subsidies, parking, transportation service from various points across Madrid, as well as exclusive discounts and offers for Santander employees. **And that’s just the beginning — we’ll tell you more when you join!** We’re here to **keep you motivated**, help you achieve your goals, and celebrate your progress, every step of the way. **LOCAL COMPLIANCE** Santander is proud to be an organization where equal opportunity exists regardless of age, gender, disability, marital status, race, religion, or sexual orientation. We are committed to providing an inclusive and accessible application process for all candidates. **WHAT’S NEXT** If this sounds like a role you’re interested in, please submit your application. **Ready to take the next step?** \#LI\-FB1