> Markdown version of [/jobs/ext/4679810-senior-integration-engineer-cms](https://www.wearedevelopers.com/jobs/ext/4679810-senior-integration-engineer-cms). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Integration Engineer - CMS - **Company:** Connells Group - **Location:** Milton Keynes, United Kingdom - **Experience:** Expert - **Salary:** £60,000 - £65,000 - **Contract:** Permanent contract - **Skills:** Contentful, ASP.NET, JavaScript (Programming Language), .NET Framework, Artificial Intelligence, Application Integration Architecture, User Authentication, Microsoft Azure, C Sharp (Programming Language), System Configuration, Content Migration, Extract Transform Load (ETL), Data Migration, Persistent Data Structure, Linux, Distributed Systems, Microsoft SQL Server, Model View Controller (MVC), Node.Js, OAuth, Role-Based Access Control, Cloud Services, Simple Object Access Protocol (SOAP), Software Engineering, SQL Databases, Systems Integration, Strategies of Testing, TypeScript, Umbraco, Web Applications, Scripting, Enterprise Integration, Graphql, Front End Software Development, Api Design, Terraform, Webhooks, Api Management, Legacy Systems, Microservices - **Published:** November 12, 2026 - **Apply:** https://www.reed.co.uk/jobs/senior-integration-engineer-cms/57560050 ## About the Role * 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/TypeScript (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, * API Development * Automation & Control Systems * Cloud Services & Infrastructure * Communication Skills * Infrastructure Management * Linux Operating Systems * Microsoft Azure * Problem Solving * System Integration * Teamwork ## Description 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., * 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