Chainguard builds security tools and infrastructure for open-source software, addressing critical vulnerabilities in widely used packages. Their products, like Sigstore and Wolfi, help developers and enterprises secure software supply chains at scale, reducing risks from malicious or compromised dependencies.

Engineering culture is deeply technical and mission-driven, with a strong emphasis on open-source collaboration. Decision-making is distributed, and engineers are encouraged to contribute to upstream projects. The team values deep expertise and hands-on problem-solving, often working closely with the open-source community.

The company attracts security-focused engineers who thrive in fast-paced, high-impact environments. Those who succeed here are self-motivated, comfortable with ambiguity, and passionate about solving hard problems in software security. The culture rewards technical depth and a willingness to challenge conventional approaches.