Senior Backend Engineer — Pricing Platform (Java/Spring/AWS)

Avios Group (AGL) Limited; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

IAG Loyalty in London is seeking a Senior Software Engineer to shape our Pricing Service, building scalable backend services in Java and Spring Boot. You will own features end‑to‑end, from design through production, within a collaborative engineering team supporting Avios and loyalty ecosystems.

You will work with AWS cloud, Terraform IaC, and modern CI/CD practices, driving testing, reliability, and architecture decisions while mentoring peers in a fast‑paced, Agile environment.

Qualifications

• Strong backend engineering experience using Java and Spring Boot.
• Hands‑on experience building and operating cloud‑native solutions in AWS.
• Experience with Terraform, Infrastructure as Code and modern CI/CD practices.
• Strong understanding of automated testing, code quality, security and software engineering best practices.
• Experience troubleshooting distributed systems and using observability to improve performance and reliability.
• Strong communication and collaboration skills with experience contributing to technical decisions.
• Experience mentoring and supporting other engineers through code reviews and pair programming.
• Comfortable working within Agile product engineering teams and taking ownership from design through to production.
• Experience with AI‑assisted development tools would be desirable.
• Experience with business rules engines, loyalty platforms or the travel industry would be an advantage.

Responsibilities

• Build modern microservices and APIs using Java, Spring Boot and AWS.
• Manage cloud infrastructure through Terraform and Infrastructure as Code.
• Contribute to architecture and technical decision‑making as our platform evolves.
• Champion engineering excellence through automated testing, CI/CD, code reviews and pair programming.
• Use observability and monitoring to understand service health, troubleshoot distributed systems and improve reliability.
• Mentor and support other engineers, sharing knowledge and raising technical capability.

Skills

Backend engineering

Java

Spring Boot

AWS

Mentoring

Agile

AI‑assisted development tools

Distributed systems

Tools

Terraform

CI/CD

Observability

Job description

IAG Loyalty in London is seeking a Senior Software Engineer to shape our Pricing Service, building scalable backend services in Java and Spring Boot. You will own features end‑to‑end, from design through production, within a collaborative engineering team supporting Avios and loyalty ecosystems.

You will work with AWS cloud, Terraform IaC, and modern CI/CD practices, driving testing, reliability, and architecture decisions while mentoring peers in a fast‑paced, Agile environment.