Cryoport Systems is the life science industry’s most trusted provider of supply chain solutions for temperature-sensitive materials, serving biopharmaceutical, IVF and surrogacy and animal health organizations around the world. Cryoport Systems' proprietary Cryoport Express ® shippers, Cryoportal ® Logistics Management Platform, leading-edge Smartpak ™ Condition Monitoring System and geo-sensing technology paired with unparalleled logistics expertise and 24/7/365 customer support, make Cryoport Systems the end-to-end temperature controlled supply chain partner that you can trust. POSITION SUMMARY As Lead Software Engineer, you will take ownership of the development of an application for managing and monitoring of condition monitoring devices, shipments and warehouse applications. The application components are embedded in a larger distributed systems architecture. Your primary focus will be on the development of scalable backend services (currently Node.js), while also occasionally contributing to frontend development tasks. In addition you will lead efforts to modernize the technology stack and tooling as well es steer the application towards an architecture that allows scaling and high availability operations The role also includes supporting and coaching of other development team members through code reviews and occasional small workshops. Strong language skills in English and German, a pragmatic mindset, and attention to detail are essential. PRIMARY RESPONSIBILITIES (include but are not limited to) Lead technical design and implementation of backend and frontend components. Refactor and decouple system components to improve scalability and maintainability. Generalize business logic for extensibility and future growth. Expand monitoring and observability features to track usage, performance, and errors. Promote initiatives, for example migration to TypeScript, introduction of layered architecture, updating libraries and introduction of new tooling. Ensure deployment of applications in a scalable, containerized environment. Maintain high code quality by conducting code reviews, best practice enforcement, workshops. Lead technical team meetings. Collaborate with the Product Owner on requirements and priorities. COMPETENCIES & PERSONAL ATTRIBUTES Strong expertise in IoT data processing with focus on time-series data. Strong expertise in modern web technology (React/TypeScript). Experience with scalable architectures and containerization (e.g. Docker/K8s or similar). Experience with Infrastructure as Code. Experience with CI/CD pipelines and version control (Git). Experience in DevOps organizational culture. Experience with modern software architecture with regard to testability. Ability to oversee complex software environments, understand dependencies, and design for scalability. Highly structured and organized, with excellent problem-solving skills. Strong attention to detail combined with a pragmatic approach to delivery. QUALIFICATIONS AND EDUCATION REQUIREMENTS Minimum 5 years of professional software development experience. Minimum 1 year in a technical leadership role. Hands-on experience with backend and frontend development in Node.js and React.js. Degree in Computer Science or equivalent practical experience. Excellent communication skills in German and English.