Senior Software Engineer (Full-Stack)

Lithos

Full time Computer Occupations
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Location
Toronto, Ontario, Canada
Posted
June 17, 2026

Job Description

As a Senior Software Engineer at Lithos, youโ€™ll work directly with our Head of Engineering to build the operating system for one of the largest carbon dioxide removal efforts in history.

How does software play a role? Carbon removal is a mass transfer problem. We need to create an entirely new industry capable of removing tens of billions of tons of CO2 โ€” the same order of magnitude as humanityโ€™s entire global production of food, or concrete, and to do all this within the next decade. 

Our bet: the best chance of success is by leveraging three industries already capable of this scale: agriculture ๐Ÿšœ, mining ๐Ÿชจ, and transportation ๐Ÿšš. But just having the physical and human infrastructure is not enough.

At Lithos, weโ€™re building the operating system to plan, orchestrate, track, and optimize enhanced rock weathering. You'll combine deep full-stack technical skills with empathy and design thinking to build and scale our interconnected platform. Some examples of the d...