Sr. Optimizely Developer

Responsibilities

• Optimizely CMS Development (Backend & Architecture)
• Design, develop, and maintain reusable blocks, page templates, and content models within Optimizely CMS (formerly Episerver) to empower marketing teams to launch pages quickly.
• Ensure the CMS architecture is scalable, secure, and optimized for performance (Core Web Vitals).
• Build and maintain API integrations between Optimizely CMS and our broader enterprise tech stack (e.g., Salesforce, Marketo, Adobe Commerce, and custom internal systems).
• Experimentation & Personalization (Frontend Execution)
• Code and deploy complex A/B, split, and multivariate tests within Optimizely Web Experimentation.
• Handle advanced scenarios that go beyond basic WYSIWYG editing, requiring deep DOM manipulation and dynamic content rendering.
• Engineer targeted, brand-compliant personalization campaigns tailored to specific B2B user segments and account-based marketing (ABM) lists.
• AI-Assisted Engineering
• Actively leverage AI coding assistants (e.g., GitHub Copilot, ChatGPT) to write, debug, and optimize frontend code, drastically reducing the time it takes to deploy complex experiments.
• Server-Side Testing
• Collaborate on server-side testing initiatives and feature flagging using Optimizely Feature Experimentation (Full Stack) when frontend execution is insufficient.

Qualifications

• Experience: 5+ years of full-stack web development experience, with at least 3+ years of dedicated, hands-on experience developing within the Optimizely ecosystem.
• CMS Backend (Critical): Deep expertise in C#, .NET Core / MVC, and backend architecture specifically for Optimizely CMS (Episerver).
• Experimentation Frontend (Critical): Advanced proficiency in HTML5, CSS3/SASS, and JavaScript (Vanilla, ES6+, jQuery, React/Vue) to build complex DOM manipulations and dynamic web experiences for Optimizely Web Experimentation.
• AI & Speed: A forward-thinking, "go fast" mentality with demonstrated experience using AI development tools to accelerate coding, debugging, and testing workflows.
• Optimizely Intricacies: Deep understanding of Optimizely’s specific platform nuances, including Project JS, visual tags, audience targeting logic, anti-flicker snippets, and caching behaviors.
• B2B Web Experience: Experience developing for complex enterprise B2B websites, including lead generation funnels and gated content workflows.
• Version Control & CI/CD: Strong experience using Git and modern CI/CD pipelines (e.g., Azure DevOps, GitHub Actions) for seamless code deployment.