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Senior Full Stack Engineer

Company

BenchSci

Location

Toronto, Ontario

Posted

March 13, 2026

Position Overview

We are currently looking for a Senior Full Stack Engineer to join our growing Web Applicationsteam. reporting to the Engineering Manager, you’ll work on complex projects that span bothfront-end and back-end, with an initial focus on web infrastructure for our FastAPI and platform. In this role, you’ll optimize our build and deployment strategy for the front-end, includingdesigning dynamic bundling approaches (, per-customer builds, code splitting, tree-shaking) andimproving performance across the stack through profiling, analysis, and optimization of bothfront-end rendering (Core Web Vitals, TTFT) and back-end async workflows.You’ll also contribute to the scalability of our FastAPI services, enhance our async programmingpractices, and support the evolution of SOA and microservice architectures. On the front-end, you’llpartner with product and design teams to integrate and extend our design systems and componentlibraries, ensuring accessible, reusable, and performant UI components. Fina...

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