Senior Software Developer C#

At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to thrive both personally and professionally. This is how we aim to prevent, stop and cure diseases and ensure everyone has access to healthcare today and for generations to come. Join Roche, where every voice matters. The Position Who We Are At Roche Diagnostics Solutions (RDS) , our mission is clear: to diagnose earlier, develop faster, and personalize treatment because every patient is unique. Within Computational Science & Informatics (CSI) , we are the bridge between our origin and our future, shaping the next era of human health through precise, data-driven diagnostics and precision medicine. We excel in delivering rigorous, clinically actionable data analysis across our diagnostics portfolio, believing that advancing computational methods and informatics solutions is essential to harnessing dynamic human health data. By listening closely to patients and physicians, and leveraging digitization and cutting-edge technologies, we work collaboratively to turn insights into impact. This shared spirit creates an environment where ideas grow, new approaches are trialed, and competitive products reach patients faster—ultimately realizing the DIA 10-year vision and our One Roche ambitions so that everyone can access personalized healthcare solutions. The Opportunity Every role at Roche contributes uniquely to delivering greater value to patients and healthcare systems. In this role, you will join a dynamic engineering team in Spain, driving technical excellence and shaping solutions that transform lives. As a Senior Fullstack Developer, you will take ownership of the entire software development lifecycle—from early feasibility studies and architectural design to implementation and testing—leveraging your deep expertise to build robust, high-performance applications. Key Responsibilities: Drive all phases of the software development lifecycle, including feasibility studies, architectural design, development, testing, bug fixing, and continuous software maintenance. Translate complex software requirements and project architecture into clear unit and subsystem specifications. Design and implement high-quality, robust code, ensuring comprehensive test coverage to verify full functionality against specifications. Collaborate proactively within an Agile environment (Scrum/Kanban) to define, estimate, plan, and execute development work packages. Champion quality assurance by conducting thorough code reviews for your own work and collaborating on peer reviews to enhance application performance, design, and usability. Navigate ambiguity confidently, leveraging modern AI-supporting tools throughout the lifecycle to streamline coding, testing, and troubleshooting. Who You Are You are a proactive, self-organizing engineer who thrives in collaborative, fast-paced technical environments. You are passionate about software craft, code quality, and driving engineering practices forward. You are an empathetic communicator who enjoys sharing knowledge and working alongside diverse teams to solve complex health technology challenges. Your Qualifications & Skills: Technical Experience: Extensive professional experience in software development (typically 7+ years), with highly advanced skills in C#, WPF, and .NET 8.0. Database & Architecture: Solid experience with SQL Server, including database design and leveraging ORMs such as Entity Framework. Modern Engineering Practices: Strong proficiency with version control systems (Git/GitHub) and a deep understanding of Agile methodologies (Scrum/Kanban). AI & Automation: Demonstrated proficiency in utilizing AI-supporting tools throughout the development lifecycle to optimize coding, testing, and debugging, alongside basic experience defining Build Environments. Education & Communication: A University degree (Bachelor's or equivalent) in Computer Science, IT, or a related technical field, paired with excellent English communication and interpersonal skills. At Roche, we embrace emerging innovations, like AI, to enhance the patient journey. If you’re passionate about new technology and thinking ahead, we want you to join us! * This is an on-site position and no relocation assistance is provided. Who we are A healthier future drives us to innovate. Together, more than 100’000 employees across the globe are dedicated to advance science, ensuring everyone has access to healthcare today and for generations to come. Our efforts result in more than 26 million people treated with our medicines and over 30 billion tests conducted using our Diagnostics products. We empower each other to explore new possibilities, foster creativity, and keep our ambitions high, so we can deliver life-changing healthcare solutions that make a global impact. Let’s build a healthier future, together. Roche is an Equal Opportunity Employer.