Are you ready to take the lead in shaping cutting-edge software solutions? This opportunity to join a UK-leading software house on a mission to deliver innovative, scalable, and high-performing applications, and we want YOU to be part of it. As a Principal Developer, youll play a fundamental role in guiding a team of six skilled developers, driving technical excellence, and influencing architectural decisions. This is your chance to work on greenfield projects that influence modern technologies and best practices, no legacy code, just fresh innovation. What Youll Do Take ownership of technical architecture and design for new projects. Build and optimise RESTful APIs, microservices, and modular monolith architectures. Contribute to strategic technical decisions and ensure best practices across the team. Design and implement robust solutions using .NET or full-stack technologies. What Were Looking For Strong experience in .NET or full-stack development. Proven track record with RESTful APIs, microservices, and modular monolith design. A passion for clean, scalable code and modern software architecture. Excellent communication and leadership skills. Why Join? Work for a UK-leading organisation with a reputation for innovation. Hybrid flexibility, up to 2 days per week in the office. A supportive, collaborative environment where your ideas matter. Competitive salary and benefits package. Greenfield projects, be part of building something new from the ground up. Ready to make an impact? Apply today and help us build the future of software solutions. .