.Net Developer | Optimizely | CMS | WFH

_{01st September, 2026}

Expertech is looking for a talented Mid-Senior .NET Developer to join a leading digital transformation agency on an initial 12-month fixed-term contract, with the potential to transition to a permanent position.
 
This is an excellent opportunity for an experienced .NET developer who enjoys working across varied digital solutions and thrives in an environment where no two projects are exactly the same.
You'll work as part of a collaborative team delivering high-quality digital experiences for clients, with opportunities to contribute technically while also engaging directly with clients and stakeholders.
We're particularly interested in developers with Optimizely experience, although strong experience with another enterprise CMS will also be considered.
 
Essential Skills & Experience

• Strong commercial experience developing with C# and .NET / .NET Core
• Experience working with Optimizely (formerly Episerver), or solid experience with another enterprise CMS platform
• Strong understanding of web development, APIs and integration
• Experience working with SQL / relational databases
• Good understanding of modern software development practices, including source control, code reviews, testing and CI/CD
• Experience working within agile development teams
• Strong problem-solving and analytical skills
• Excellent written and verbal communication skills
• Comfortable participating in client discussions and stakeholder interactions
• Ability to understand unfamiliar systems and quickly learn new technologies and solutions
• A proactive, collaborative approach with a genuine interest in delivering quality outcomes

• Hands-on experience with Optimizely CMS / Optimizely Commerce
• Experience with Azure and cloud-based solutions
• JavaScript / TypeScript and modern front-end frameworks
• HTML, CSS and responsive web development
• Experience with headless CMS or composable digital platforms
• Experience integrating third-party systems and APIs
• Automated testing and test-driven development
• Experience working within a digital agency, consultancy or client-services environment
• Experience working across multiple projects or technology solutions

• Join an established digital transformation agency working on interesting and varied client solutions
• 12-month fixed-term contract with an option to transition to permanent
• Work with experienced developers, designers, strategists and digital specialists
• Exposure to a range of technologies, platforms and digital solutions
• Opportunity to have genuine client interaction and influence project outcomes
• A collaborative environment where learning and knowledge sharing are encouraged
• Great opportunity for a developer who enjoys solving problems, learning quickly and working across different solutions
• Be part of a team that values quality, communication and delivering meaningful outcomes for clients
• Flexibility around working from home