Moderna is expanding its presence with an international business services hub in Warsaw, Poland, offering a unique opportunity to shape the next generation of internal software platforms. This senior role focuses on platform engineering and web development, creating reusable frameworks and tooling solutions that accelerate Moderna's software development lifecycle. The position requires collaboration with other developers to drive high-impact platform capabilities and contribute foundational components. Working in a hybrid model (70% in-office), the role combines technical excellence with the mission of advancing mRNA medicine. The ideal candidate will take ownership of their work, focusing on quality and maintainability while helping drive technical excellence across the platform. This highly visible position involves working on critical platform capabilities, gaining exposure to AWS and CI/CD infrastructure, and participating in digital transformation efforts leveraging Generative AI tooling. The role offers the chance to impact global health initiatives while working with exceptional colleagues worldwide in a growing organization at the forefront of medical innovation.