Senior Staff Back End Software Engineer

TEKsystems · Toronto, Ontario, Canada

Location

Toronto

Job Type

Contractor

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...
        

Ready to Apply?

Submit your application for Senior Staff Back End Software Engineer at TEKsystems

Apply Now