This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Technical Product Manager based in Canada. Join a mission-driven organization advancing the Ethereum ecosystem by building open-source infrastructure that empowers developers worldwide. As Senior Technical Product Manager, you will own the product strategy and roadmaps for two essential developer tools, Hardhat and Ethereum Development Runtime (EDR). You will translate complex technical challenges and developer needs into clear product requirements, prioritizing features that improve the experience of building, testing, and deploying smart contracts. Working closely with engineering leaders, software engineers, and ecosystem partners, you will shape API behavior, command-line interfaces, and core developer workflows. This senior individual contributor role combines technical expertise, product judgment, and strategic thinking in a remote-first environment built around autonomy and collaboration. Your work will directly influence the quality, reliability, and evolution of tools that support the broader Ethereum developer community.