Software Engineer, Full Stack Developer

About the Business

Quilter plc is a leading wealth management business, helping to enable brighter financial futures for every generation.

Quilter oversees £126.3 billion in customer investments (as of August 2025). It has an adviser and customer offering spanning financial advice, investment platforms, multi-asset investment solutions, and discretionary fund management. The business is comprised of two segments:
Affluent and High Net Worth.

Affluent encompasses the financial planning business, Quilter Financial Planning, the Quilter Investment Platform and Quilter Investors, the multi-asset investment solutions business.

High Net Worth includes the discretionary fund management business, Quilter Cheviot, together with Quilter Cheviot Financial Planning – offering a highly personalised service to private clients, charities, trustees, and professional partners. Quilter Cheviot has presence throughout the UK, Ireland and Channel Islands.

At Quilter we never stand still. Our foundations are rooted in our extraordinary expertise, which is trusted by hundreds of thousands of customers, but we have great ambitions to stay one step ahead and make an even greater difference to the people and communities we serve, including our colleagues.

Our business is transforming, continually modernising, and becoming even more customer centric. So, if you want to be bold in the pursuit of your ambitions, bring new ideas, and challenge and evolve what we do, it’s the perfect time to join us!

Level: Level 4

Department: IT Apps Digital

Location:

Southampton

Contract type:
Permanent

We’re offering an exciting full-stack software engineering role focused on Identity and Access Management (IAM). You’ll be involved with the design and implementation of secure, scalable solutions that ensure seamless authentication and authorisation across modern applications.

This role combines front-end and back-end development with a strong emphasis on security, compliance, and user experience. You’ll work with cutting-edge technologies, integrate with identity providers, and help shape the future of secure digital access for millions of users.

The Technology function is Quilter Group’s primary engine for the delivery of business and technology change including the provision of robust infrastructure and IT service operations that everyone can depend upon.

The Technology function brings technology enabled innovation to market by developing relevant, integrated and optimised solutions that are scalable, commercially viable and deliver long-term value aligned to the business strategy.

Working as a strategic partner to the business our mission is to build informed and robust future-orientated technology and skills capabilities that create the right environment for our people and business to prosper with a focus on reducing complexity and excelling in the execution of our strategy. We are looking for:

• Experience of implementing and maintaining IAM solutions (AADB2C / OKTA / Entra etc.)
• .Net c# developer skills with experience of taking business requirements and designing, implementing and producing high quality end to end products.
• working with other members of the team to collaborate to produce testable, maintainable, and high-quality software solutions contributing to and following Quilter’s development practices.
• Experience of designing, developing and maintaining RESTful APIs
• Understanding of integrating with React, Next.js and Ionic applications

• Technical knowledge and experience in producing testable, scalable, reusable and resilient services to provide API services to front end systems.
• Technical expertise in developing / supporting IAM solutions
• Technical expertise in  and  core.
• Technical expertise in developing RESTful backend services.
• Expertise in the use of standard patterns to support the use of unit test tooling and decoupling of code.
• Technical expertise in delivery of solutions via disciplined and controlled methods (CI/CD) through all the environments to live.
• Technical expertise in delivery solutions using Azure Dev Ops pipelines and support services.
• Experience of working in a Scrum/agile environment.
• Appreciation of…