Cybersecurity Full Stack Developer \- SDS Country: Spain **NOW IS THE TIME** Santander ( www.santander.com ) is evolving from being a **high-impact global brand** to a **technology-driven organization**, and people are at the heart of this journey. Together, we are leading a **customer-centric transformation** that values **disruptive thinking**, the courage to challenge what’s possible, and the ability to **innovate**. This is more than a strategic shift: **it’s an opportunity to grow, learn, and make a real impact**. Our mission is to help more **people and businesses thrive**. We embrace a strong risk culture and expect all our teams to adopt a proactive and responsible approach to risk management. **Santander Digital Services** is Santander’s technology and operations team. We believe deeply in the importance of aligning technology with business needs—and that our work delivers value not only to users, individuals, and communities, but also fosters individual creativity. Our team of over 10,000 people across 8 countries (Spain, Portugal, Poland, the UK, the US, Mexico, Chile, and Brazil) develops and implements financial solutions across a broad spectrum of technologies (including Blockchain, Big Data, and Angular, among others), on both on-premises and cloud platforms. **THE IMPACT YOU’LL MAKE** Santander Digital Services’ Cybersecurity Operations unit is **seeking a Cybersecurity Full Stack Developer based in Boadilla del Monte**. We are redefining how we work through innovation, cutting-edge technology, collaboration, and the freedom to explore new ideas. In this role, your key responsibilities will include: * Design and implement RESTful APIs in Golang for cybersecurity monitoring, detection, response, and process automation within a monolithic architecture. * **Develop and maintain backend applications using Golang**, ensuring efficiency, scalability, and security in the cybersecurity solutions delivered. * **Build and implement deception solutions using Golang**, replicating real environments to detect malicious activity and intrusion attempts. * **Develop and maintain frontend components** (React, Angular, or other technologies) that interact effectively with the Golang-based backend services. * **Participate in continuous integration and deployment (CI/CD) of Golang applications**, ensuring software robustness and quality via automated pipelines and security analysis (Fortify, SAST, DAST, etc.). * **Document developed solutions and technical processes**, following internal standards and best practices. * **Collaborate with multidisciplinary teams** (architecture, cybersecurity, operations) to design, implement, and optimize technological solutions supporting cybersecurity operations. * **Carry out all necessary management tasks related to the implemented solution**, including administration, monitoring, and updating of services and applications to ensure proper functioning and alignment with departmental requirements. * **Research and apply the latest developments in the Golang ecosystem** and associated technologies to keep solutions at the forefront of security and efficiency. **WHAT YOU’LL BRING TO THE TEAM** Our people are our greatest strength. Each individual contributes unique perspectives that make us stronger as a team and as an organization. We value who you are and empower what you bring. The following requirements represent the essential knowledge, skills, and competencies for this role. **Professional Experience** * **Minimum 3 years of professional experience developing backend and/or full-stack applications using Golang (Mandatory)** * Experience in cybersecurity projects, honeypot management, API development, and/or solutions in Linux or Windows environments. (Desirable) **Education** * Vocational training (intermediate or advanced level), university degree, or equivalent qualification in Computer Engineering, Telecommunications, Mathematics, Physics, or related fields. (Mandatory) * Additional training in cybersecurity, backend development, or professional certification in Golang technologies. (Desirable) * Recognized cybersecurity certifications (e.g., CompTIA Security\+, OSCP, CEH, CISM, etc.). (Desirable) **Languages** * English: intermediate or advanced technical level. (Mandatory) **Technical Skills** (Hard skills) * Proficiency in Golang for backend and monolithic service development. (Mandatory) * Solid experience developing frontend interfaces with React. (Mandatory) * Basic knowledge of RESTful API integration and secure development best practices. (Desirable) * **Programming in Python and shell scripting (Bash, PowerShell)**: Ability to automate operational tasks and processes on Linux or Windows systems. (Desirable) * **Designing and managing microservice-based architectures and APIs**: Competence in creating and consuming RESTful APIs, enabling system-to-system communication, and optimizing solution modularity. (Desirable) * **Relational SQL databases (PostgreSQL, MySQL)**: Knowledge of database design, management, querying, and integration. (Desirable) * **Familiarity with security analysis tools and automated testing throughout the software lifecycle** (e.g., Fortify, SAST, DAST, etc.). (Desirable) * **Experience and knowledge of public cloud services**: AWS and Azure. Ability to deploy, manage, and optimize cloud applications. (Desirable) * Familiarity with AI-powered tools such as GitHub Copilot and ChatGPT. (Desirable) * Experience working in agile environments using Scrum/Kanban methodologies and tools such as Jira and Confluence. (Desirable) **Interpersonal Skills** (Soft skills) * Ability to work in multidisciplinary teams and collaborate with technical and security areas. * Analytical thinking, initiative in problem solving, and clear communication of proposals and results. * Adaptability and continuous learning regarding new technologies and methodologies. * Proactivity and autonomy in task management and technical decision-making. **WE VALUE YOUR IMPACT** Your contribution matters—and we recognize it. At Santander, you can expect a fair and competitive compensation package reflecting your impact and the value you deliver. Take a moment to understand what we mean: * **Unlimited growth.** We empower our teams **with global opportunities and extensive career paths**, enabling them to go further. * Flexibility that works. Enjoy a **hybrid work model**—some days remote and others in the office with your team—plus flexible hours. * **Continuous learning.** Access hundreds of courses on our learning platforms, including exclusive access to our global learning space: **Santander Open Academy (** www.santanderopenacademy.com) * **Competitive rewards.** Receive a **highly competitive salary plus a bonus** for your achievements, motivating you to continue growing with us. * **Financial benefits.** Access preferential banking conditions, special interest rates on loans, life insurance, and much more. * **Your health is our priority.** Through **BeHealthy**, our global wellbeing program, we **promote holistic wellbeing**: physical, emotional, social, and financial. * **Family comes first.** We know your family is everything. That’s why we offer childcare support and family programs tailored to every life stage. * **Always by your side.** Access **Santander Contigo**, our employee and family assistance program offering legal advice, emotional support, and administrative services. * **Extra benefits.** Gym/WellHub access, on-site medical centers at several locations, meal subsidies, parking, shuttle services across various points in Madrid, plus exclusive discounts and offers for Santander employees. And this is just the beginning… we’ll tell you much more when you join! We’re here to **keep you motivated**, help you **achieve your goals**, and **celebrate your achievements** at every step of the way. **LOCAL COMPLIANCE** Santander takes pride in being an equal-opportunity organization regardless of age, gender, disability, marital status, race, religion, or sexual orientation. We are committed to providing an inclusive and accessible recruitment process for everyone. **WHAT’S NEXT?** If everything you’ve just read resonates with you, apply now and join our team. **Ready to take the next step?**