Backend Software Engineer (Intermediate)

Overview

Tucows is a remote-first backend engineering role for Canada, building open‑internet products across domains, Ting, and Wavelo.

Responsibilities

• Design and develop secure, scalable, reliable, and efficient backend services using modern frameworks and tools.
• Collaborate with frontend developers to define clear and consistent API endpoints, request/response formats, and data contracts.
• Design and optimize database schemas, write performant SQL queries, and ensure data integrity and reliability.
• Integrate third‑party services, libraries, and tools within the application architecture.
• Apply security best practices, including encryption, authentication, authorization, and mitigation of common security vulnerabilities.
• Continuously improve code quality, performance, and maintainability through thoughtful design and refactoring.
• Write comprehensive unit, integration, and end‑to‑end tests to ensu...