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 ensure system reliability and stability. Debug and troubleshoot issues in bo...