Senior Back-End developer (e-commerce) (Toronto)

Senior Backend Engineer

Engineer to help tackle complex, high-impact technical challenges using cutting‑edge technologies, including Generative AI. Apply evidence‑centered design to improve quality and delivery velocity. Break down projects into manageable tasks and ensure efficient execution. Responsibilities

Provide technical guidance, conduct code reviews, and mentor engineers. Enhance end‑to‑end testing quality and accelerate feature delivery. Lead engineering support, releases, and on‑call for a 24/7 platform. Own subsystems end‑to‑end—from design, deployment, and observability. Influence architecture and technical decisions across teams. Develop transferable skills and grow across fields. Qualifications

Bachelor's degree in EE, CS or other related field. 6+ years of experience with Java, Kotlin (or open to picking it up), GraphQL, Spring/SpringBoot, REST APIs, messaging systems and/or other backend programming languages. Experience building data‑driven ...