Job Description

Permanent
40 Hours

Salary

Excellent

Country

U.K

What you will be doing...

Jet2.com

and

Jet2holidays

are looking for a

Lead Software Engineer

to join our high-performance Search team. This is an exciting hands-on role where you will be responsible for the functionality that powers the customer's first interaction with us, working across a breadth of systems and technologies to deliver value and

Create Memories

for both our business and our customers.



This is a role for a technical leader who loves data and solving complex problems. You won't just be building features; you'll be optimizing the engine that drives our business, ensuring that when a customer dreams of a holiday, we find it for them instantly and accurately.



As our

Lead Software Engineer

, you'll have access to a wide range of benefits including:



Hybrid working Colleague discounts on

Jet2.com

flights and

Jet2holidays

packages Access to a generous discretionary profit share scheme

What you'll be doing:

As our

Lead Software Engineer

, you will be leading a fast-paced scrum team, made up of a lead engineer, software engineers, automation and manual test engineers, product owners and business analysts. You will also:



Design and code low-latency search algorithms and data structures in the core search applications, explicitly optimizing for performance to handle high-concurrency traffic without degrading the customer experience. Creating a vision for designing and building robust and scalable systems. Making architectural decisions in collaboration with the Architecture Team focusing on high-availability, low-latency, and caching strategies to handle massive user load during peak booking periods. Supporting team activities through the software development lifecycle such as planning and estimation. Line managing and mentoring team members to facilitate their growth and progression. Championing current and new coding standards and practices. Driving a culture of continuous improvement. Improving the developer experience through automation & tooling. You will drive the implementation of CI/CD pipelines that ensure safety and quality, removing the need for manual intervention in live environments. Implementing observability and metrics within the search stack. You will ensure the team has visibility into application performance, search accuracy, and error rates to facilitate rapid debugging and data-driven improvements.

What is the tech stack?

The search platform has a wide range of technologies including:



C#, .NET Core, and Web API. Event driven architectures (Kafka) RESTful Microservices - light-weight efficient, decoupled APIs that scale well. Storage technologies like SQL, Redis. Cloud technologies (AWS) Containerised environments using Kubernetes, Docker and CI/CD pipelines. Automated Testing frameworks with a strong focus on Performance and Load Testing (k6) alongside BDD.

What you'll have:

Our

Lead Software Engineer

will have deep technical understanding of Search Engines and caching mechanisms in a high-traffic e-commerce environment, be extremely passionate about technology and have some previous line management experience. You will also:



Have strong written and verbal communication skills and be comfortable communicating and building relationships with stakeholders across the business. Have prior technical leadership and mentoring experience and be willing to enhance your skills in this area to support the growth of software development team. Be an excellent role model for the team and colleagues, with an approachable nature and the ability to work as part of a team. Be the point of contact for expert guidance and team support. A mindset focused on DevSecOps and Automation. You prefer building tools and guardrails over manual processes and have experience creating observable systems.
Experience managing Service Level Objectives (SLOs) and understanding the impact of latency on user behaviour.

#LI-MW2

#LI-Hybrid

Division

Jet2.com

Careers With Us

Digital & IT

Careers Dept

Software Development

Careers Team

Development

Team

IT Systems & Web Development