Top Tech Jobs & Startup Jobs in Toronto

Lead full‑stack development and reliability improvements for the Firefox Add‑ons ecosystem, building features, automated moderation pipelines, reviewer tools, and observability. Improve platform reliability, respond to incidents, and help keep the ecosystem safe and trustworthy. Collaborate across design, product, QA, and community contributors and contribute openly through PRs and code reviews.

Leads the architecture, reliability, scaling, and evolution of hybrid-cloud and workplace infrastructure. Designs and operates production systems across data centers, offices, and cloud environments; drives migrations, automation, monitoring, incident response, and infrastructure improvements. Collaborates across IT, SRE, security, and service-owner teams, provides technical direction, mentors engineers, documents systems, and remains hands-on with critical implementations.