Full-Stack Engineer (App Team)

  • Avios Group (AGL) Limited
  • 31/05/2026
Full time Information Technology Telecommunications Testing

Job Description

About the role

We're IAG Loyalty - a team focused on the world wide Avios loyalty platform, connecting millions of members to travel, retail and financial services. As a Full Stack Engineer you'll work in a cross functional product team to build and improve features in both React Native and .NET/C#.

Responsibilities
  • Contribute to the development of features across the Avios App, working closely with mobile and backend teams.
  • Own end to end development cycles - from implementation and testing to deployment and ongoing improvements.
  • Partner with engineers, QA, Product Managers and Designers to deliver high quality functionality that meets customer and business needs.
  • Participate in code reviews, technical discussions and team ceremonies, while learning from more experienced engineers.
  • Take on increasing ownership and impact over time across both mobile and backend development.
Qualifications
  • Experience building applications in a commercial engineering environment.
  • Strong experience in either React Native or .NET/C# with working knowledge of the other.
  • Interest in developing full stack capability across mobile and backend systems.
  • Understanding of APIs and modern development practices.
  • Exposure to cloud platforms - AWS preferred.
  • Strong communication and collaboration skills.
  • A proactive mindset and willingness to learn and grow.
Location & Working Style

Role is based in our London office with a hybrid model, requiring a minimum of two days in the office. Remote work is also available depending on workload.

Diversity & Inclusion

We actively encourage applications from people with diverse backgrounds and experiences, and we are committed to ensuring our recruitment process is fair, inclusive and accessible.