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Backend developers build the server-side logic, APIs, and data systems that power modern applications. The role demands strong fundamentals in distributed systems, database design, and API architecture. With microservices and serverless architectures becoming mainstream, backend engineers increasingly need to think about scalability and resilience from day one.
Canada's tech sector is booming, with Toronto, Vancouver, Montreal, and Ottawa as key hubs. The country actively recruits tech talent with immigration-friendly policies. Salaries are lower than US equivalents but the quality of life, universal healthcare, and immigration pathways make it highly attractive for international professionals.
Work authorization: Canada's Express Entry system and Global Talent Stream offer fast-tracked work permits for tech workers. The Tech Talent Strategy provides work permits in as little as two weeks for qualified applicants. Provincial Nominee Programs offer additional pathways.
Junior Backend Developer → Backend Developer → Senior Backend → Staff Engineer → Principal Engineer or Architect. Specializations include database engineering, API platform design, and distributed systems. Many backend developers eventually move into full-stack or system architecture roles.
Deep knowledge of at least one language and its ecosystem matters more than surface-level familiarity with many. Be prepared for system design interviews — practice designing scalable APIs, database schemas, and caching strategies. Understanding of cloud services and containerization is increasingly expected.
Backend developers design and implement APIs, optimize database queries, handle data migrations, set up caching layers, debug production issues, and participate in system design discussions. They often work closely with frontend and DevOps teams to ensure smooth integrations and deployments.