Senior Optimizely Developer

Job in South Naperville Area, Will County, Illinois, 60564, USA

Listing for: Centraprise, Corp.

Full Time position
Listed on 2026-10-12

Job specializations:

Software Development
Backend Developer, .NET Developer, Full Stack Developer

Salary/Wage Range or Industry Benchmark: 120000 - 190000 USD Yearly USD 120000.00 190000.00 YEAR

Experience:

10+ years of professional development experience, with 5+ years specifically delivering solutions on Optimizely CMS/DXP.
Technical Stack:
Strong proficiency in C#, .NET Framework, and .NET Core . Deep understanding of ASP.NET MVC and Web API.
API Integration:
Proven experience in designing and building robust API integrations. Experience with RESTful services, OAuth 2.0 authentication, and JSON.
Systems Knowledge:
Solid understanding of web development fundamentals, databases (MS SQL), and service-oriented architecture.
Problem Solving:
Excellent troubleshooting skills with the ability to work autonomously and hit the ground running.
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.

Generic Managerial Skills, If any

Familiarity with Agile methodologies .
Experience in the Financial Services industry is a plus .
Optimizely certifications (CMS or Commerce) are advantageous .
Experience with modern frontend frameworks (React, Next.js) or headless CMS implementations .
Knowledge of cloud platforms (Azure/AWS) and CI/CD pipelines (Azure Dev Ops, Git Hub Actions) .