Optimizely Development: Lead the design| customization| and maintenance of solutions on Optimizely CMS and DXP| ensuring high performance and scalability .

API & Systems Integration: Architect and develop seamless integrations between Optimizely and third-party services| including CRM (Salesforce)| Marketing Automation (Marketo)| analytics tools| and internal systems .

Extensive experience with REST APIs| OAuth 2.0| and webhooks is critical .

Backend Architecture: Build and maintain backend services using .NET C#| ASP.NET MVC| and .NET Core.

Ensure efficient content workflows| publishing processes| and data consistency .

Digital Experience Optimization: Implement personalization| A/B testing| and experimentation features to drive business outcomes .

Work with Optimizely Web Experimentation and feature flagging .

Technical Leadership: Conduct code reviews| uphold best practices| and collaborate with cross-functional teams including front-end developers| designers| and project managers .

Performance Tuning: Troubleshoot and resolve complex issues related to Optimizely CMS integrations| caching| and Core Web Vitals performance .

We are seeking a Senior .NET Developer with deep expertise in the Optimizely ecosystem (formerly Episerver) to join our team onsite in Naperville.

This role will focus on back-end development| systems integration| and architecting robust content management solutions.

The ideal candidate will act as a subject matter expert| working independently to deliver scalable digital experiences while integrating Optimizely with a complex ecosystem of enterprise platforms .