Senior Integration Engineer - CMS

We are seeking a skilled and motivated Senior Integration Engineer to join our Group Technology team in Milton Keynes. In this role, you will lead the design and delivery of the content platform and integration layer of our new headless CMS (Contentstack) - connecting it to the Group's wider systems using .NET technologies, Azure and SQL Server.
You will work closely within the marketing technology team and the wider business team to ensure content, data and integrations are reliable, secure and scalable across out large brand estate. You will also support the technical direction for CMS integrations.
We offer a hybrid working arrangement with 2 days per week in our Milton Keynes office.

Key Responsibilities:

Design and implement content models (content types, modular blocks, taxonomies and shared versus brand-specific content) that support a multi-brand estate
Configure and automate the CMS platform, including stack and environment setup, roles and permissions, workflows, publishing, webhooks and extensions
Design, build and maintain integrations between the CMS and Group systems (such as property data, valuation services and consent/preference services) using C#/.NET and Azure, owning the integration architecture
Design and deliver repeatable content migration tooling to move content from legacy platforms into the new CMS, with validation and rollback, and support the decommissioning of legacy systems
Define, document and version API contracts with the Senior Frontend Software Engineer
Implement structured content fields and metadata to support SEO and search/AI visibility
Ensure integrations meet data protection, consent and security requirements, and support data protection impact assessments
Develop high performing n-tier applications and services utilising best practices, using SQL where data persistence is required
Design and develop commercial/enterprise web applications and services
Experience and

Skills Required:

Experience with headless or enterprise CMS, including content modelling and configuration
Strong skills in C#, ASP.NET, MVC and SQL Server
Proven experience designing and delivering enterprise-scale integration solutions
Experience building and consuming REST, SOAP or GraphQL APIs, webhooks and event-driven integrations, including secure authentication (e.g. OAuth 2.0)

Experience with Azure
Working knowledge of JavaScript/Type Script (e.g. Node.js) for CMS SDKs, automation and migration scripting

Experience of data migration, ETL processes and automation

Experience of working with AI in a software engineering team
Skilled in testing methodologies, including TDD
Highly Desirable:

Experience with Contentstack, Contentful or similar headless CMS platforms

Experience of multi-brand or multi-site governance
Experience migrating from a legacy CMS such as Umbraco

Experience with infrastructure as code (e.g. Terraform)
Knowledge of microservices and distributed architectures

What We Offer
Aviva Digicare + workplace / Car leasing and cycle to work scheme
Colleague discount scheme / Perks at work / Gym discounts
Life assurance / Workplace pension scheme
Collaborative agile environment
Ongoing professional development
Our Commitment to Inclusion
Connells Group is an equal opportunities employer committed to a diverse, inclusive and authentic workplace. We welcome applications from all suitably qualified candidates regardless of sex, race, disability, age, sexual orientation, gender identity, religion or belief, marital status, or pregnancy and maternity.