Senior Full Stack Developer - Web

Salary: £60,000 – £65,000 - (dependent on experience)

Contract Type: Permanent – Full Time

Security Level: SC

Location: Gatwick – Hybrid

Visa Restrictions: This position does not offer visa sponsorship

Closing Date: Friday 6th November 2026

Screening Calls: w/c 9th November 2026

Interviews: from w/c 16th November 2026

We are the UK's aviation and aerospace regulator and recognised as a world leader in its field. Our activities are diverse, enabling the aviation industry to meet the highest safety standards, and we pride ourselves on our ability to adapt to the constantly evolving aviation environment.

The Role

The CAA is seeking a Senior Full Stack Developer to lead the development work within a small, mature DevOps team, which has responsibility for developing and supporting a growing portfolio of websites and web applications. 

This role combines hands on software engineering with technical leadership. The successful candidate will help shape solution architecture, engineering standards, delivery practices and platform evolution while contributing directly to the development and support of business critical services.

You'll be working within the IT department utilising Agile and DevOps methodologies. The CAA delivers applications which meet WCAG 2.2 AA compliance standards.

Core Accountabilities

Leading the delivery of new solutions, supporting processes and on-going application support including;

• Requirements capture and analysis
• Design of new functionality
• Consideration of application architecture to follow CAA design principles
• Development of both traditional MVC solutions and single page applications
• Delivering applications that meet WCAG 2.2 AA compliance standards
• Designing integration services with other solutions as necessary
• Establishing repeatable test approaches
• Maintenance of build and deployment pipelines
• QA of colleagues code
• Writing technical documentation for the supported solutions
• Performance analysis of applications and individual functional components
• Back-log refinement and work estimation

This role is focused on full life cycle development and support of new and existing solutions. We use DevOps technologies for work planning, and CI/CD pipelines. 

There will be opportunities to mentor junior developers within the IT department.

About You

You will have a background in software development, working within a software development and delivery team.  You will be expected to keep abreast of new and evolving technologies with respect to how they will impact or influence the work of the team.

 Essential Skills 

• Web application design, development, and support
• C#, ASP.NET Core, .NET 8+, RESTful APIs and modern software engineering practices.
• MVC, Web API and Entity Framework
• HTML, CSS, TypeScript and modern Angular development.
• Experience of the development and implementation of a CMS product such as Umbraco
• Capturing and converting business requirements into application specifications
• User-based design; a good understanding of UI, UX and responsive design
• Experience in delivering accessible applications
• Experience of secure application development practices, including addressing OWASP security concerns
• Experience of code quality/pull request reviews
• Prototyping new techniques and solutions 
• Experience developing and supporting solutions hosted in Microsoft Azure
• Experience working with Azure DevOps or equivalent delivery platforms
• Understanding of cloud-native application design principles

Desirable Skills 

• Experience working in a regulated or safety-critical environment
• Experience with Azure PaaS services
• Experience with containerisation technologies
• Experience with identity and authentication services (Entra ID/Azure AD)
• Experience of platform modernisation programmes
• Experience leading technical workstreams or development teams
• SQL server

Additional Information

For many appointments within the CAA, these roles require access to operationally sensitive infrastructure and/or Nationally Protected information. For these roles the post holders must undergo National Security Vetting and achieve the appropriate level of clearance.

SC - To be vetted we will usually expect a reasonable period of residency in the UK so that meaningful checks can be undertaken. For this role this will need to be 5 years.

If you do not meet these requirements, we may not be able to accept your application.

For more information on CTC and SC clearance please visit - Vetting explained - GOV.UK (www.gov.uk)

The CAA values high ethical standards and personal integrity among employees. If invited for interview you will be asked to complete a declaration of interest.

Relocation & Property

The CAA will be relocating from Aviation House (Our Gatwick Office) to new premises in a few years’ time. Our move is driven by strategic, operational and environmental considerations.

We will be moving to a new local home, up to a 15-mile radius of Aviation House, to minimise disruption for our valued colleagues and customers.

We are now working with colleagues and visitors to understand what we need in our new office, before we start our property search. We will sell Aviation House and land, vacate the site and move to new premises, but we do not expect to move before 2028

Inclusive Recruitment

We are committed to building a diverse and inclusive workforce and welcome applications from all backgrounds. As a Disability Confident employer, candidates who meet the minimum requirements will be guaranteed an interview. Find out more about the Disability Confident Scheme. If you require any adjustments during the recruitment process, please let us know.

Use of Artificial Intelligence by candidates in the CAA recruitment process

We recognise that many of our candidates find Artificial Intelligence to be a useful tool to support your application, however, all examples and statements provided must be truthful, factually accurate and taken directly from your own experience. Where plagiarism has been identified (presenting the ideas and experiences of others, or generated by artificial intelligence, as your own) applications may be rejected on that basis.

Working With Us

Explore What We Offer section on our careers website to find out about our benefits and how we support work-life balance.

Our Values

Do The Right Thing, Never Stop Learning, Build Collaborative Relationships, Respect Everyone – For more information please Click Here

Closing Date: Friday 6th November 2026

Screening Calls: w/c 9th November 2026

Interviews: from w/c 16th November 2026

We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

No recruitment agencies please.