Software Engineer, .NET Developer / E-Commerce
Position Description
ICON International is hiring an E-Commerce .NET Developer to take ownership of an existing .NET commerce project and lead its rewrite from the ground up. You will inherit an existing codebase and re-architect the customer facing shopping experience on a modern headless stack with Shopify for commerce, a custom .NET backend for business logic, Sanity.io for content, and Vercel for front-end deployment. The ideal candidate has shipped real transactional commerce and can move quickly with AI-assisted tooling. The position requires someone who can take ownership of features from requirements through deployment.
The E-Commerce .NET Developer is responsible for the continued growth of our online shopping experience, beginning with the transition and rewrite of an existing .NET commerce project. This role works across a modern headless environment — Shopify for commerce, a custom .NET backend, Sanity.io for content management, and Vercel for deployment. The position will partner closely with design, merchandising, and marketing to deliver a fast and dependable customer experience.
Responsibilities
Analyze, define and prioritize business requirements
Take over, audit, and document the existing .NET e-commerce project; identify what to migrate, refactor, or retire.
Design and build the replacement platform, including custom .NET services supporting the storefront.
Build and maintain Shopify integrations against a headless architecture.
Model and integrate content from Sanity.io so marketing can manage merchandising and site content independently of engineering.
Own deployment and environment configuration on Vercel, including preview environments and production releases.
Collaborate with design, merchandising, and marketing to translate requirements into working features.
Write maintainable, tested code and participate in code review.
Skills and Qualifications
Requirements
Strong business analysis and requirement gathering skills along with problem solving and analytical skills is a must.
Minimum 3-5 years as a full stack developer using .NET technologies. (.NET Framework, .NET Core, ASP.NET, MVC, etc.)
Demonstrated experience building or supporting production e-commerce applications.
Hands on Shopify experience with Storefront API, Admin API, and headless Shopify implementations.
Experience deploying with Vercel or comparable modern hosting platforms.
Working knowledge of a headless CMS — Sanity.io strongly preferred.
Proficiency with Git and collaborative development workflows.
Preferred Skills:
Experience working with Agile methodology
Prior experience inheriting and rewriting a legacy commerce platform.
Familiarity with Claude Code or similar AI-assisted development tools.
Experience using various source control and QA tools like Azure Dev Ops, GIT
Azure or AWS cloud experience; CI/CD pipeline setup.
SQL Server / Entity Framework experience
Additional Information
WHY ICON:
ICON offers employees the opportunity to build rewarding careers while contributing to innovative solutions that drive client success. Through a culture of collaboration, continuous learning, competitive rewards, and a strong commitment to employee well-being, ICON provides an environment where talented people can grow, perform, and make a meaningful impact.
Award-Winning Culture: Recognized as one of the 25 Best Places to Work in Connecticut and a Top Workplace in Fairfield County
Competitive Compensation: We offer a robust base salary paired with an attractive benefits package including generous PTO, medical, dental, vision, 401(k) with match.
Apply now and become an integral part of a Company that’s reshaping the landscape of Corporate Finance and Barter.
ICON Disclaimer: The salary range for this role is $85,000 - $100K based on experience. This salary represents the good-faith minimum and maximum wage the Company reasonably expects to offer for this position at the time of posting. In addition to base salary, this position may be eligible for incentive pay or other forms of compensation, as applicable. The Company also offers a comprehensive benefits package as described. Actual compensation will be determined based on factors such as the candidate’s skills, experience, education, training, and work location. This posting is intended to comply with all applicable state and local pay transparency laws.
