Navitaire, an Amadeus company, is seeking a Principal Software Engineer to drive the implementation of their next-generation microservices platform for airline retailing. This role is crucial in their modernization program, focusing on domain-driven patterns and hexagonal architecture with event-driven, API-first, and security-first approaches. The position requires expertise in C# development, microservices architecture, and strong leadership skills to mentor team members and collaborate across functions. The role offers the opportunity to shape the future of travel technology while working with a global team of 20,000+ professionals. The position is hybrid, requiring 2-3 days in office weekly, and offers comprehensive benefits including equity, flexible working arrangements, and career development opportunities. The ideal candidate will have 7+ years of experience and a strong background in software architecture and engineering practices.