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🥝 Senior Staff Back End Software Engineer
TEKsystems | Toronto, Canada | Posted June 19, 2026
Job Description
Top Skills' Details
10+ years designing and building large-scale distributed web platforms/APIs**, ideally supporting millions of users, high transaction volumes, and always-on 24/7 production environments.5+ years operating as a hands-on architect, Staff/Principal engineer, or technical lead**, owning end-to-end product/platform scope across multiple domains and staying at least 50% hands-on with coding and implementation.Deep Java/Spring Boot backend expertise**, including REST APIs, microservices, GraphQL exposure, and strong end-to-end system design across APIs, messaging systems, RDBMS/NoSQL, containers, and infrastructure layers.Proven ability to define and drive technical strategy across teams**, including roadmap ownership, ADRs, architecture decisions, tradeoff analysis, and alignment with engineering, product, and business stakeholders.Track record leading complex technical initiatives from ambiguity to production**, includ...