Senior .NET Engineer, eCommerce

Job Description - Build and maintain backend services and APIs supporting customer-facing digital experiences - Integrate backend services with Sitecore-driven experiences, enabling content-driven and configurable experiences across the platform - Design stable API contracts with clear versioning, backward compatibility, and predictable behavior - Build cloud-native services on Azure or other major cloud platforms, with attention to observability, resiliency, and performance - Drive technical design discussions, code reviews, and continuous improvement of development practices - Own quality end-to-end through automated testing and the right level of code coverage - Use modern AI-assisted development tools responsibly to improve productivity, code quality, and developer velocity We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: Skills and Requirements - 4+ years of handsu2011on development experience in C#/.NET, including building secure REST APIs, dependency injection, asynchronous programming, validation, and authentication/authorization patterns - Production experience building backend services with Node.js, including API frameworks and asynchronous, eventu2011driven service behavior - Experience supporting CMSu2011driven web platforms through backend services, integrations, and modern content delivery patterns - Proven experience working with highu2011traffic, consumeru2011facing platforms, with a strong understanding of scalability, performance tuning, and production readiness - Handsu2011on experience with headless or hybrid CMS platforms, such as Sitecore, Contentful, or similar composable architectures - Demonstrated ability to build and maintain automated test coverage, including unit tests and integration/API tests for critical workflows - Strong proficiency with testing frameworks such as xUnit, NUnit, MSTest, or Jest, along with mocking frameworks like Moq - Cloudu2011native development experience on Azure, AWS, or GCP, including deployments, environment configuration, and secrets management - Hands-on experience working with ASP.NET - Prior experience working with Sitecore, including contentu2011driven and headless implementations - Handsu2011on experience with Optimizely, particularly for experimentation, personalization, or conversion optimization

Created: 2026-03-09