Senior Software Engineer

Senior Software Engineer

Luton | Full-time | Hybrid

We support hybrid working, and you’ll spend 60% of your time each month in the office. You’re a highly capable software engineer who enjoys solving complex technical problems and building high-quality software that operates at scale. You combine strong hands-on engineering with sound technical judgement, a collaborative mindset and a genuine sense of ownership. If you're passionate about creating reliable, maintainable solutions while helping shape technical direction through expertise and example, this role offers the opportunity to make a meaningful impact across one of Europe's leading travel brands.

The opportunity

As a Senior Software Engineer, you'll play a key role in designing, building and operating the technology that supports millions of customer journeys every year. Working as a senior individual contributor within a product-focused engineering squad, you'll spend most of your time hands-on, developing software, solving complex technical challenges and improving the reliability, scalability and performance of our systems. You'll help guide technical decisions, contribute to architecture discussions and collaborate closely with engineers, product managers and stakeholders to deliver solutions that create value for customers and the business.

The team & culture

Our Engineering teams are responsible for developing and supporting the technology that powers one of Europe's most recognised airlines. You'll join a collaborative squad environment where engineers work closely with product, design and business colleagues to solve meaningful challenges. We encourage innovation, continuous learning and experimentation, with teams adopting modern engineering practices and exploring AI-assisted development tools to improve quality and effectiveness. It's an environment where ownership, curiosity and teamwork are valued, and where engineers have the opportunity to influence both solutions and ways of working.

What you’ll be doing

• You'll design, build, test, deploy and support production software, taking ownership of significant technical challenges and delivering high-quality outcomes.
• You'll contribute to technical design and architectural discussions, balancing speed, simplicity, maintainability and long-term sustainability when making engineering decisions.
• You'll continuously improve systems through better testing, observability, performance optimisation and operational practices, helping ensure our platforms remain reliable and scalable.
• Write clean, maintainable and well-tested code.
• Support engineering excellence through code reviews and technical collaboration.
• Investigate incidents and troubleshoot production issues.
• Improve CI/CD pipelines, release processes and development practices.
• Partner with product and business stakeholders to turn requirements into practical solutions.
• Contribute technical expertise during planning, discovery and solution design.
• Use AI-assisted engineering tools thoughtfully to improve development effectiveness and delivery quality.

What we’re looking for

You'll bring significant experience building, delivering and operating production software within modern engineering environments. You'll be a strong problem solver with excellent technical judgement and the ability to work confidently across complex systems. We're particularly interested in candidates with:

• Strong commercial experience using .NET.
• Strong commercial experience using Java.
• Hands-on experience designing, building and operating solutions on AWS.
• Experience developing cloud-native applications, APIs and distributed systems.
• Strong understanding of CI/CD, automated testing, version control and cloud infrastructure.
• Experience supporting and troubleshooting production systems.
• Strong communication and collaboration skills.
• A passion for continuously improving engineering quality, standards and ways of working.

It would be beneficial if you also have experience of:

• Technical architecture and solution design.
• Developer tooling, build pipelines and engineering enablement.
• Operationally complex or regulated industries.
• Airline, travel, logistics or transportation environments.

What you’ll get

• Competitive base salary + up to 20% bonus
• Private medical insurance
• 25 days holiday + bank holidays
• Annual credit towards an easyJet holiday
• Excellent staff travel benefits
• Flexible benefits package including share schemes

Diversity isn't a checkbox — it's how we fly. Great engineering teams benefit from different perspectives, experiences and ways of thinking. We welcome applications from people of all backgrounds and are committed to creating an environment where everyone can contribute, grow and succeed.

Reasonable Adjustments

At easyJet, we are dedicated to fostering an inclusive workplace that reflects the diverse customers we serve across Europe. We welcome candidates from all backgrounds. If you require specific adjustments or support during the application or recruitment process, such as extra time for assessments or accessible interview locations, please contact us. We are committed to providing reasonable adjustments throughout the recruitment process to ensure accessibility and accommodation.

Business Area: Development & Test