Travel & Aviation Technology – C++ / Angular – Flight Management Systems London | Hybrid (50% in office) A global leader in travel and aviation technology is seeking a C++ Developer (Backend‑Focused) to join their Flight Management System (FMS) engineering team. This team builds mission‑critical software used by airlines worldwide - powering real‑time flight operations, route optimisation, and next‑generation cockpit intelligence. In this role, you’ll work primarily on high‑performance C++ systems (80%), with additional exposure to Angular frontend development (20%), contributing to one of the most advanced FMS platforms in the industry. Your work will directly impact global aviation efficiency, fuel optimisation, and operational decision‑making. Responsibilities Design and develop C++ applications for core Flight Management System components Build high‑performance, multi‑threaded backend services that support real‑time flight planning and air traffic control integration Implement and optimise algorithms for fuel‑efficiency, route calculations, and aircraft performance modelling Develop Angular UI components for operational tooling, visualisation and configuration layers Collaborate with architects, engineers and aviation domain specialists to enhance FMS capabilities Conduct code reviews, debugging, unit testing and performance optimisation across backend and UI layers Contribute to cloud‑enabled and AI‑driven advancements within the FMS technology ecosystem Ensure compliance with aviation industry standards including DO‑178 and ARINC Required Skills Strong proficiency in C++ (C++11/14/17), with experience building high‑performance, real‑time or multithreaded systems Experience with Angular for modern, responsive UI development (20% of the role) Solid understanding of the software development lifecycle and engineering best practices Strong experience developing in Linux‑based environments Excellent debugging, analytical and problem‑solving skills Passion for aviation technology and complex distributed systems Understanding of networking protocols or large‑scale distributed architectures is a plus