Principal Software Engineer

IAG Transform is dedicated to shaping the future for British Airways, Iberia, Vueling, Aer Lingus, IAG Cargo and IAG Loyalty, chartered to distil raw operational and developer data into products that cut delivery cycles, harden security and unlock new revenue across a 118-million-passenger network. 

Joining our high-impact Engineering Acceleration squad within the AI team in IAG Transform, our mission is to raise developer productivity through AI-powered tooling and metrics. You’ll own an AWS-backed Engineering Metrics Platform that ingests telemetry from GitHub, SonarQube Cloud, Snyk, Jira and beyond. You’ll guide and support peers on integrations, champion CI/CD best practice, and influence teams across products, data and security, ensuring the insights you surface steer investment, curb incidents and uplift engineering quality across the IAG group. 

This is a critical role in delivering foundational software solutions that empower AI teams and accelerate business value, without compromising safety or quality. As well as leading by example as a hands-on software engineer, you will guide the team by defining and implementing the optimal technical approaches for building, onboarding, securing, monitoring, and generating insights from our tools and products. This role will help enhance and build our bespoke Engineering Metrics Platform, that will be used across IAG Software Engineering to drive operational efficiencies, enable data-driven decision-making, and uphold engineering standards across the technical teams. 

Essential Skills

• Cloud-scale architecture: Designed and operated decentralised systems on AWS, enforcing modern development best practices. 
• Technical leadership: Influenced engineering strategy and mentored multiple squads to higher standards. 
• Full-stack coding & IaC: Advanced in TypeScript, Python, GitHub, GitHub Actions and Terraform. 
• DevSecOps enablement: Integrated tools, such as SonarQube Cloud, Snyk and GitHub Advanced Security, into CI/CD pipelines. 
• Developer-experience champion: Deep understanding of tooling friction points and how to remove them. 
• Agile delivery: Drives continuous improvement in fast-paced, agile/DevSecOps environments. 
• Stakeholder mastery: Balances business priorities with technical excellence and clear communication. 
• Best-practice evangelist: Sets, documents and enforces development standards across distributed teams. 
• Hands-on practitioner and mentor: Delivers results through direct contribution and fostering continuous learning among junior engineers. 
• Change resilience: Excels in fast-paced, high-change environments and remains composed under pressure. 
• AI-first developer: Expert in the use of AI tools for software development, evangelises the responsible use of AI in daily work.  
• Strong relationship-builder: Enjoys working in a hybrid working environment, to foster close teamwork, accelerate knowledge sharing, and strengthen cross-functional relationships. 

Desirable Skills 

• Data-driven dashboards: Experience building Power BI reports and data models on AWS-hosted databases is highly desirable, or willing to learn. 
• Platform tooling guru: Deep knowledge of GitHub feature set (auth, apps, policies) and experience shipping reusable developer toolkits. 
• Multi-cloud fluency: Working knowledge of Azure services and integration patterns. 

Education 
Educated to degree level in Computer Science / technical degree or equivalent industry experience. 

Benefits 
IAG Transform offers the chance to enjoy a challenging career in an exciting, fast-moving environment in a dynamic industry, working in a multi-cultural environment with a strong partnership between the Barcelona and London Digital Innovation Hubs. We aim to provide a good work/life balance, as well as the many benefits offered by a global organisation, including health insurance, pension, and performance bonuses.  

The work is a hybrid role, with 3 days a week expected in our office in Paddington, with some travel to Waterside, near Heathrow. This role may also require travel and working from multiple sites/locations.  

Diversity and Inclusion 
Diversity and inclusion and our people are at the heart of everything we do. We recognise that we can only deliver the required business outcomes if we have a thriving community of technology professionals. Together we strive to become the very best at what we do. 

We focus on making Tech a great place to work, with a community that we feel proud to belong to. To help make this a reality, our people strategy focuses on six key domains: Engagement, Talent Management, Reward and Recognition, Performance Management, Learning and Development and Culture.  

We understand the importance of Diversity and Inclusion in the workplace to deliver this strategy – everyone should feel part of our team. We want to foster an inclusive workplace, celebrate individuality and embrace differences so that everyone in IAG Tech can achieve their goals and ambitions, regardless of their personal circumstances or background.  

As a Group, IAG has an ambition that 40% of senior management roles are held by women by 2025. IAG Tech fully supports that ambition, and we are working to help make it a reality. With this in mind, we have set ourselves the challenging target of recruiting 50% female colleagues by 2030.