$130000 - $150000
A leader in e-commerce operations for over 20 years is urgently hiring a Senior .NET Developer. You will be responsible for building and maintaining integration and operational software that enables the seamless flow of information between internal services, external vendors, marketplaces, and warehouses. Their applications handle complex data from sources such as eBay, Walmart, and Amazon, ensuring that orders reconcile correctly and ship efficiently. This full-time role is onsite 1-2 days per week in Bethesda, MD area.

**Required Skills & Experience:**
• 8+ years building production C# .NET Core applications
• Bachelor’s in computer science or a related field
• Hands-on experience with Entity Framework Core and SQL Server
• Experience working with messaging systems such as RabbitMQ or Azure Service Bus
• Strong background in building and supporting marketplace and vendor integrations
• Familiarity Azure cloud services (Functions, App Se...