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Senior Engineer

Job in South Naperville Area, Will County, Illinois, 60564, USA
Listing for: Tata Consultancy Services
Full Time position
Listed on 2026-11-04
Job specializations:
  • Software Development
    Backend Developer, .NET Developer, Senior Developer
Salary/Wage Range or Industry Benchmark: 115000 - 130000 USD Yearly USD 115000.00 130000.00 YEAR
Job Description & How to Apply Below
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 MVCand 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 CMSand 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) .
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

Desired Candidate Profile

Qualifications

BACHELOR OF COMPUTER SCIENCE

Location

Naperville, IL

Function

TECHNOLOGY

Role

Senior Engineer

434338

Skills

Optimize

Salary Range

$115,000 - $130,000

Position Requirements
10+ Years work experience
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