Full-time

Back End Developer

Posted by Appfabs Incorporation • toronto, on, Canada

📍 toronto, on 🕒 June 01, 2026

About the Role

We are seeking an experienced

Senior Backend Developer

to join our engineering team ASAP, who is responsible for the cloud-native backbone powering InterAction+, CRM solution for law firms and professional services organizations.

This role requires a self-driven engineer who can take full ownership of complex backend services, collaborate across multiple product teams, and drive technical excellence in a distributed microservices environment.

Key Responsibilities Technical Ownership & Development

Design, develop, and maintain microservices-based backend systems using . NET 6/8 and C#

in a cloud-native

Azure

environment

Build and optimize

GraphQL APIs

(HotChocolate) and

RESTful services

for high-performance, multi-tenant applications

Develop and maintain API Gateway and Proxy services that handle millions of requests across global deployments

Implement c...

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