IT & Software

Staff Software Engineer, Services — Architect & Tech Lead for Scale

Mozilla

Ottawa · Ontario · Canada

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Mozilla is seeking a Staff Software Engineer, Services, to shape architecture and technical direction for Thunderbird-related services, including calendars and secure file storage. This individual contributor role carries significant ownership and influence across teams and the community.

You will lead the technical architecture of new Services products, mentor engineers, and drive decisions that make systems scalable and sustainable while partnering with product, design, and leadership to grow

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Reference: WJ-5769_50269 · Posted 05 Nov 2026, 12:33 PM

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