Full-Stack Engineer (App Team)

Company: Avios Group (AGL) Limited
Apply for the Full-Stack Engineer (App Team)
Location: London
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.

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Posted: June 6th, 2026