New 
Senior Engineer
 Tata Consultancy Services | |
$115,000 - $130,000
| |
sick time, 401(k)
| |
 United States, Illinois, Naperville | |
 Oct 28, 2026 | |
|
Job Description
Senior Optimizely Developer Must Have Technical/Functional Skills * 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 .
Roles & Responsibilities * 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 DevOps, GitHub Actions) . Education Bachelor's Degree TCS Employee Benefits Summary *
Discretionary Annual Incentive. *
Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans. *
Family Support: Maternal & Parental Leaves. *
Insurance Options: Auto & Home Insurance, Identity Theft Protection. *
Convenience & Professional Growt h: Commuter Benefits & Certification & Training Reimbursement. *
Time Off: Vacation, Time Off, Sick Leave & Holidays. *
Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing. Salary Range: $115000 - $130000 a year #LI-JH1
Location
Naperville, IL
Function
TECHNOLOGY
Role
Senior Engineer
ID
434338
Skills
Optimize
Salary Range
$115,000 - $130,000 Desired Candidate Profile
Qualifications BACHELOR OF COMPUTER SCIENCE | |