C++ Software Engineer

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