eCommerce Full-Stack Engineer – Optimizely/.NET (Hybrid)

Copeland; St. Louis (MO); On-site; USD 90,000 - 130,000; Full time

Job summary

Copeland is seeking an experienced .NET/C# engineer to design, develop, and support enterprise eCommerce solutions on Optimizely Configured Commerce for both B2B and B2C customers. You will collaborate with front-end, architecture, product, and business teams to deliver secure, scalable commerce features and integrations.

You will partner on product requirements, implement catalog, pricing, checkout and self-service workflows, and help optimize performance, accessibility, and SEO across the

Qualifications

• Bachelor's degree in Computer Science or related field; equivalent combinations of education and experience will be considered.
• 3-5 years developing enterprise eCommerce applications, preferably supporting both B2B and B2C business models.
• Direct experience with Optimizely Configured Commerce/InsiteCommerce is preferred but not required.
• Strong proficiency in .NET and C#, including object-oriented design, dependency injection, API development, debugging, testing, and application architecture.
• Understanding of enterprise commerce platforms, API-driven integrations, and distributed application architectures.
• Experience integrating commerce applications with enterprise systems such as ERP, CRM, PIM, payment, identity, pricing, inventory, or order management solutions.
• Working knowledge of modern front-end technologies such as HTML, CSS, JavaScript/TypeScript, React, or Angular, and the ability to collaborate effectively with front-end developers.
• Strong understanding of eCommerce concepts including catalogs, pricing, account structures, permissions, ordering workflows, checkout, order history, and customer self-service features.
• Experience with SQL Server or other relational databases, including data modeling, troubleshooting, and performance tuning.
• Experience with Git or other source control systems.
• Strong problem-solving, troubleshooting, and debugging skills.
• Demonstrated ability to quickly learn and become productive within new enterprise platforms and technologies.
• Authorization to work in the United States without sponsorship now or in the future.

Responsibilities

• Develop, customize, and maintain enterprise B2B and B2C eCommerce capabilities on Optimizely Configured Commerce using modern .NET/C# development practices.
• Design and implement scalable commerce functionality, including product discovery, customer accounts, pricing, cart, checkout, ordering, and self-service experiences.
• Partner with product owners, architects, developers, and business stakeholders to translate business requirements into maintainable technical solutions.
• Design, develop, and support integrations with ERP, CRM, PIM, DAM, identity, payment, tax, pricing, inventory, order management, and fulfillment systems using APIs and event-driven integration patterns.
• Optimize application performance, resiliency, scalability, accessibility, and SEO across the commerce platform.
• Troubleshoot issues across application, API, integration, database, and enterprise-system layers, identify root causes, and implement long-term solutions.
• Participate in code reviews and promote coding standards, quality, and best practices.
• Stay current with modern commerce technologies, .NET development practices, cloud technologies, and Optimizely platform capabilities.

Skills

NET/C#

API Development

eCommerce

React / Angular

SQL Server

Git

Enterprise Architecture

Problem Solving

Azure

Education

Bachelor's in Computer Science or related field

Tools

Optimizely Configured Commerce

InsiteCommerce

Azure

CI/CD

Job description

Copeland is seeking an experienced .NET/C# engineer to design, develop, and support enterprise eCommerce solutions on Optimizely Configured Commerce for both B2B and B2C customers. You will collaborate with front-end, architecture, product, and business teams to deliver secure, scalable commerce features and integrations.

You will partner on product requirements, implement catalog, pricing, checkout and self-service workflows, and help optimize performance, accessibility, and SEO across the