Principal Software Engineer at easyjet

Setup: Hybrid
Location: Luton, England
Type: Full-time
Level: staff+
Added to Metaintro: Sep 28, 2026

Description

The Principal Software Engineer will provide technical leadership and stewardship across multiple squads within easyJet’s eCommerce Platform Delivery team. The role owns the technical vision, strategy, roadmap, architecture, delivery, quality, performance, security, and scalability of customer-facing eCommerce systems, while mentoring engineers and collaborating with product, delivery, architecture, and chapter leadership. Required expertise includes SQL, databases, data modelling, AWS, Microsoft technologies and C# .NET, observability, data architecture, event-driven architectures, infrastructure, networking, and modern eCommerce software technologies.

Required Skills

SQL
Databases
Data modelling
AWS
C# .NET
Observability
Data architecture
Event-driven architectures
Infrastructure and networking
Design patterns

Additional Information

Required Previous Experiences: Extensive software engineering experience leading complex projects and collaborating across cross-functional teams
Cloud and commerce technology expertise, including AWS
Microsoft technology and C# .NET background
Extensive observability experience using metrics, telemetry, alerts, and logs
Experience designing and implementing event-driven architectures for real-time data flows
Experience designing and maintaining secure, high-performance systems across distributed platforms
Experience modernising legacy data platforms while maintaining reliability and performance
Experience applying modern eCommerce software architectures, APIs, event-driven architectures, microapps, front-end frameworks, and application technologies
Translation Company Name: easyJet