Staff Frontend Engineer

Keycard Labs

full-time

Posted on: 9/5/2025

Origin: • 🇨🇦 Canada

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Lead

D3.jsDistributed SystemsHerokuJavaScriptNext.jsOpen SourceReactTypeScript

About the role

Craft user-centric experiences that empower security and platform engineers and developers to build trusted agent experiences
Design and build management console UIs, dashboards, interactive visualizers, and developer-facing experiences
Distill complex security and identity concepts into intuitive onboarding and investigation-grade views, including graph-based explorations of relationships and permissions
Establish design system, pipelines, testing strategies, and Storybook documentation
Collaborate closely with designers and systems engineers to make complex infrastructure approachable and reliable
Instrument products for data-driven iteration and help define agent-native paths to production
Drive high-quality delivery, ownership, and iterative shipping in a small distributed team

Significant experience shipping production products for security and/or developer audiences
Proficiency with React and Next.js, TypeScript, Vite/SWC
Comfortable shaping and contributing to REST APIs
Experience with graph rendering libraries (D3, Visx, or similar)
Skilled at performance-tuning Canvas/WebGL applications and building smooth experiences on large data sets
Experience building/evolving component libraries, maintaining Storybook docs, and creating testing pipelines
Instrumenting for data-driven iteration and defining delivery paths for agent-native workflows (agents like Claude Code, MCP)
Hands-on 0→1 product experience with ownership and autonomy
Experience working in distributed teams and strong remote collaboration and communication skills
Ability to collaborate closely with founders, designers, and systems engineers
Authorization to work in the United States or Canada (application form question)