Job Summary: We are seeking a Fullstack Developer for a banking maintenance project, responsible for analyzing requirements, developing, and modifying components of existing solutions. Key Highlights: 1. Be part of a "Great Place to Work" team at a leading company. 2. Professional development with a customized career plan and continuous training. 3. A collaborative and fun work environment where your voice matters. **About the Company** Because working at Sopra Steria is also about feeling **Sopra Steria**. We are a recognized European leader in consulting, digital services, and software development, with nearly 56,000 employees across almost 30 countries and over 4,000 in Spain. We focus on people—on their training and professional development—which drives our constant growth and improvement. We are passionate about digital innovation, and like you, we seek the best adventure. We want your everyday experience to become your greatest source of inspiration—to learn, contribute, have fun, grow, and above all, enjoy it to the fullest. If you want to join a "**Great Place to Work**" team, keep reading! **Job Description** **What challenge do we propose?** Within our Banking Unit, we have an opportunity for a Developer for a maintenance project (corrections and enhancements). **RESPONSIBILITIES** The consultant’s main mission will be to analyze requirements and develop/modify components of existing solutions. Specifically, responsibilities include: * Participation in Scrum ceremonies (daily stand-ups, sprint planning, sprint reviews, etc.) * Translating user requirements into formal technical specifications * Designing and developing functionalities The location is Paseo de los Melancólicos, and the role follows a hybrid working model. Advanced English proficiency is required. **Requirements** **What are we looking for?** **Experience as a Fullstack Developer with:** * C#, .NET Core * SOAP / REST (WSDL, OpenAPI) * Legacy systems (ASP.NET Web Forms, Visual Basic .NET, .NET Framework) * HTML/CSS/JavaScript * Unit testing / BDD **Additional Information** **What do we offer you?** * Permanent contract and full-time employment * 23 days of vacation * Continuous training: technical, transversal, and language skills. Access to certifications, training from major technology partners, online platforms—and much more! * Life and accident insurance * Option to enroll in our flexible compensation plan (health insurance, childcare vouchers, transportation, meal vouchers, and training) * Access to Privilege Club, offering attractive discounts with leading brands * Personalized and detailed onboarding. We support you every step of the way so you feel \#soprano from day one. * Office with dedicated leisure spaces—where work and fun go hand in hand! * Camaraderie and a positive atmosphere—we believe strongly in the power of unity. And most importantly… You’ll have the opportunity to build your professional career with us: Together, we’ll create a customized career plan. You’ll receive training, we’ll set goals, and conduct follow-ups to ensure we achieve them together. We listen to your priorities and advocate for them. Here, your voice matters! Join us and be part of something bigger! **The world is how we shape it** We commit to respecting diversity by fostering an inclusive workplace and implementing policies that promote inclusion and social and cultural respect regarding gender, age, disability, sexual orientation, and religion—with equal opportunities.