CareerPlan

Senior Software Engineer - .NET, C# & APIs

Canada - TorontoFull-timeCA$118k2026-10-15 → 2026-11-10

Core

Design, develop, and maintain scalable backend services and enterprise applications using C# and .NET for clients in the financial services sector.

Role type

Senior Software Engineer (Backend/.NET)

Builds

Enterprise applications, RESTful APIs, and modernized legacy systems

Domain

Financial Services / Enterprise Software

Deliverable

production ML models | product features

Required skills

C#, .NET, ASP.NET Core, SQL Server, RESTful API design, OAuth2/JWT, React/Angular, Git, CI/CD, Docker

Preferred skills

Azure/AWS, Kubernetes, performance optimization, accessibility standards (WCAG/AODA), Snowflake, AI-assisted development tools

Technologies

C#, .NET, ASP.NET Core, SQL Server, Entity Framework Core, Dapper, React, Angular, TypeScript, Docker, Azure, AWS, Kubernetes, Snowflake

Responsibilities

Design and develop scalable backend services; Build and integrate secure RESTful APIs; Contribute to modernization of existing applications; Collaborate on frontend development; Apply secure coding principles; Participate in code reviews and automated testing; Support CI/CD pipelines

Seniority

Senior, hands-on IC