Full Stack eCommerce Developer (.NET/C#)
Copeland· enterprise· Renewables & Environment· Oct 22, 2026 · 5d ago
St Louis MO USA
Hybrid
Full-time
Senior
$121K–$180K est.
3+ years exp
Job description
About Us
We are a global climate technologies company engineered for sustainability. We create sustainable and efficient residential, commercial and industrial spaces through HVACR technologies. We protect temperature-sensitive goods throughout the cold chain. And we bring comfort to people globally. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology that is built for the needs of the world ahead.
Whether you are a professional looking for a career change, an undergraduate student exploring your first opportunity, or recent graduate with an advanced degree, we have opportunities that will allow you to innovate, be challenged and make an impact. Join our team and start your journey today!
Job Overview You will design, develop, and support enterprise eCommerce solutions using .NET/C# and Optimizely Configured Commerce (formerly InsiteCommerce). Direct Optimizely experience is preferred but not required; we are also seeking strong .NET/C# engineers with enterprise eCommerce experience who can quickly learn the platform.
In this role, you will collaborate with front-end developers, architects, product owners, digital teams, integration teams, and business stakeholders to deliver secure, scalable, and high-performing commerce solutions for both B2B and B2C customers.
Key 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.
Required Qualifications Bachelor s degree in Computer Science or a related field; equivalent combinations of education and experience will be considered.
3-5 years of experience 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. Temporary visas including F-1 (OPT/STEM), H-1B, L, B, J, or TN are not eligible for this opportunity.
Preferred Qualifications Experience with Microsoft Azure, cloud-native architectures, observability, monitoring, and CI/CD practices.
Experience with Optimizely Configured Commerce/InsiteCommerce or another enterprise eCommerce platform.
Experience with headless or composable commerce architectures and modern front-end frameworks such as React or Next.js.
Knowledge of web performance optimization and application scalability best practices.
Experience supporting advanced B2B commerce capabilities, including contract pricing, customer-specific catalogs, quote-to-order processes, approval workflows, PunchOut, and complex account hierarchies.
Experience working within Agile product teams using Azure DevOps or similar delivery and backlog management tools.
#LI-Hybrid
#LI-KC2
Our Commitment to Our People
Across the globe, we are united by a singular Purpose: Sustainability is no small ambition. That’s why everything we do is geared toward a sustainable future—for our generation and all those to come. Through groundbreaking innovations, HVACR technology and cold chain solutions, we are reducing carbon emissions and improving energy efficiency in spaces of all sizes, from residential to commercial to industrial.
Our employees are our greatest strength. We believe that our culture of passion, openness, and collaboration empowers us to work toward the same goal - to make the world a better place. We invest in the end-to-end development of our people, beginning at onboarding and through senior leadership, so they can thrive personally and professionally.
Flexible and competitive benefits plans offer the right options to meet your individual/family needs: medical insurance plans, dental and vision coverage, 401(k) and more. We provide employees with flexible time off plans, including paid parental leave, vacation and holiday leave.
Together, we have the opportunity – and the power – to continue to revolutionize the technology behind air conditioning, heating and refrigeration, and cultivate a better future. Learn more about us and how you can join our team!
Our Commitment to Inclusion & Belonging
At Copeland, we cultivate a strong sense of inclusion and belonging where individuals of all backgrounds, and with diverse perspectives, are embraced and treated fairly to enable a stronger workforce. Our employee resource groups play an important role in culture and community building at Copeland.
Work Authorization
Copeland will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided. Individuals with temporary visas such as E, F-1 with OPT or CPT, H-1, H-2, L-1, B, J or TN, or who need sponsorship for work authorization now or in the future, are not eligible for hire.
Equal Opportunity Employer
Copeland is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, age, marital status, political affiliation, sexual orientation, gender identity, genetic information, disability or protected veteran status. We are committed to providing a workplace free of any discrimination or harassment.
If you have a disability and are having difficulty accessing or using this website to apply for a position, please contact: copeland.careers copeland.com
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Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Parental Leave