[8BE] Senior Backend Engineer
Core
Design and build scalable RESTful microservices for a white-label B2B e-commerce platform powering multiple Shopify Plus storefronts.
Role type
Senior Backend Engineer (Microservices)
Builds
Order Management, Inventory, Pricing Engine, Catalog Sync, and Notifications services
Domain
B2B E-commerce / Retail
Required skills
C# / .NET (ASP.NET Core, .NET 8), Clean Architecture (DDD, CQRS), REST API design, AWS (Lambda, SQS, S3, RDS/DynamoDB), Relational (PostgreSQL/SQL Server) and NoSQL (MongoDB) databases, JWT / OAuth 2.0, Docker, Unit/Integration/BDD testing
Preferred skills
Marketplace API integrations (Amazon SP-API, Walmart), Event-driven architecture, Keycloak, EF Core, Promotional products domain knowledge
Technologies
ASP.NET Core, CQRS, xUnit, Reqnroll, FluentAssertions, Shopify APIs, Amazon SP-API, Walmart Marketplace API, AWS, PostgreSQL, SQL Server, MongoDB, Docker, Jira
Responsibilities
Design and build scalable microservices, own core services (Order, Inventory, Pricing, Catalog), integrate with external systems (Shopify, Amazon, Walmart, ERP), work with legacy services, write tests, define API contracts, participate in code reviews and architecture decisions, support infrastructure-as-code
Seniority
Senior, hands-on IC
