Senior Fullstack Developer - .NET/React (Hybrid)

DATA Communications Management Corp’s Octacom division in Richmond Hill is seeking a Senior Fullstack Developer to own end-to-end features across the platform, spanning backend services (.NET Framework, ASP.NET Core) and frontend React interfaces.

The role is hybrid, with 2–3 days in the Richmond Hill office. You will design APIs (REST/GraphQL), optimize MSSQL schemas, mentor juniors, and contribute to architectural decisions as the product scales for enterprise clients.