Lead Developer - Dynamics 365

Salary: £60,000 - £68,000 – (depending 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 23rd October 2026

Screening Calls: w/c Monday 2nd November 2026

Interview Date: w/c 9th & 16th November 2026

Please note that both a CV and a cover letter are required for any application detailing how you meet the person specification for the role as well as answering the below questions:

What attracts you to this role?

What makes you the strongest candidate?

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

We are seeking a hands-on Lead D365 Developer/Technical Solution Architect to lead the design, development and implementation of Dynamics 365 and Power Platform solutions. Working closely with delivery teams and stakeholders, you will define architecture, guide implementation and ensure solutions are secure, scalable and maintainable.

Core Accountabilities

• Define architecture patterns and technical roadmaps
• Work with service designers refining user stories and new requirements
• Design and develop plugins, APIs, integrations and customisations using C# and JavaScript
• Lead Dataverse, model-driven app design
• Provide technical governance and code review oversight
• Guide DevOps, release management and testing standards
• Mentor developers and support capability growth

About You

Essential Experience

• Proven experience as a Dynamics 365 Developer, Technical Lead, Solution Architect or Lead D365 Consultant.
• Extensive experience delivering solutions across Dynamics 365 Customer Engagement (CE) and the Microsoft Power Platform.
• Strong expertise in Dataverse, model-driven app development and solution design.
• Hands-on development experience using C#, .NET, JavaScript and Dynamics 365 SDK.
• Experience designing and delivering integrations using APIs, Azure services and middleware technologies.
• Strong understanding of Dynamics 365 security models, governance and application lifecycle management.
• Experience implementing DevOps best practices, CI/CD pipelines and automated deployment processes.
• Excellent stakeholder management, communication and leadership skills.
• Experience mentoring and leading technical teams.

Desirable Experience

• Experience developing Power Apps, Power Automate and Power Pages solutions.
• Knowledge of enterprise architecture frameworks and cloud-first design principles.
• Experience working within Agile, Scrum or multidisciplinary digital delivery teams.
• Experience delivering solutions within regulated or large-scale public sector environments.
• Knowledge of AI Builder, Copilot Studio and emerging Microsoft AI capabilities.
• Experience overseeing technical delivery across multiple workstreams or product teams.
• Understanding of data migration, data governance and master data management approaches.

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 t his 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 (

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 23rd October 2026

Screening Calls: w/c Monday 2nd November 2026

Interview Date: w/c 9th & 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.