> Markdown version of [/jobs/ext/2389882-optimizely-cms-developer](https://www.wearedevelopers.com/jobs/ext/2389882-optimizely-cms-developer). 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). --- # Optimizely CMS Developer - **Company:** PSP Limited - **Location:** Pinchbeck, UK - **Salary:** £50,000.0 - £60,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, ASP.NET, JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Application Services, HTML5, Microsoft Azure, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Code Review, Continuous Integration, DevOps, Design of User Interfaces, Microsoft SQL Server, Model View Controller (MVC), Performance Tuning, Standard Sql, Umbraco, Web Applications, Web Application Frameworks, ReactJS, Git, Vue.js, Restful APIs, Optimizely - **Published:** August 4, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5828971927 ## About the Role * Commercial experience developing with Optimizely CMS * Strong C# and .NET development experience * Experience with ASP.NET Core and MVC * Experience building and maintaining CMS-driven websites * Good understanding of HTML5, CSS3 and JavaScript * Experience with SQL Server * Experience consuming and developing REST APIs * Familiarity with Git version control * Strong problem-solving and analytical skills * Excellent communication and stakeholder engagement skills * Commercial experience with Umbraco CMS is desirable * Experience with additional CMS platforms is desirable * Knowledge of Optimizely Commerce is desirable * Experience with headless CMS architectures is desirable * Experience using Azure and Azure DevOps is desirable * Understanding of CI/CD pipelines is desirable * Experience with React, Vue.js or modern JavaScript frameworks is desirable * Knowledge of Search & Navigation is desirable * Experience with performance optimisation and website security is desirable * Familiarity with Azure App Services and cloud-hosted solutions is desirable * Experience working within Agile/Scrum environments is desirable ## Description * Design, develop and maintain websites and web applications using Optimizely CMS * Develop and customise content management solutions to meet client requirements * Work with Umbraco CMS projects where required * Build reusable, scalable and maintainable code following industry best practice * Develop integrations with third-party systems, APIs and enterprise platforms * Collaborate with UX/UI Designers to deliver responsive, user-friendly websites * Participate in technical design sessions and solution architecture discussions * Perform code reviews and mentor junior developers where appropriate * Diagnose and resolve software defects and performance issues * Produce technical documentation and contribute to continuous improvement initiatives * Support testing, deployment and post-implementation activities * Work collaboratively within Agile development teams Technologies: * ASP.NET * Azure * C# * CI/CD * Cloud * CMS * DevOps * Git * HTML5 * Support * JavaScript * MVC * REST * React * SQL * Security * Umbraco * Vue * Web * UX UI Design ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Lessons learned from building a thriving Vue.js SaaS application](https://www.wearedevelopers.com/videos/1666-lessons-learned-from-building-a-thriving-vue-js-saas-application) - [Catching up on the basics you don't really need that much code](https://www.wearedevelopers.com/videos/903-catching-up-on-the-basics-you-don-t-really-need-that-much-code) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Kill Your WordPress. Ship in Minutes. Win the SEO game.](https://www.wearedevelopers.com/videos/100083-kill-your-wordpress-ship-in-minutes-win-the-seo-game) ## Related Articles - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 113 - Debugging above the cloud](https://www.wearedevelopers.com/magazine/422-dev-digest-113-debugging-above-the-cloud) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Top 7 CSS Frameworks in 2025](https://www.wearedevelopers.com/magazine/362-top-7-css-frameworks-in-2025) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss)