Staff Frontend Engineer
Company:Keycard Labs
Location:Canada
Languages:English
Seniority level:Staff, Significant experience
Experience:Significant experience
Skills:
Software DevelopmentFrontend DevelopmentJavascriptReact.jsTypeScriptREST APINext.jsReactCI/CD
Requirements:
- Significant experience shipping production products with React/Next.js, TypeScript, Vite/SWC.
- Comfort shaping and contributing to REST APIs.
- Comfort with D3, Visx, or similar for graph rendering.
- Skilled at performance-tuning Canvas/WebGL apps.
- Proven ability to build smooth experiences on top of large data sets.
- Experience building/evolving component libraries, maintaining Storybook docs, creating testing pipelines, and instrumenting for data-driven iteration.
- Experience working in distributed teams.
- Communicates through clear written plans and async updates.
- Actively experimenting with agents in own workflows (Claude Code, Cursor, MCP) is a plus.
- Experience building identity graphs, authorization policy explorers, or threat-model diagrams is a plus.
- Familiarity with frameworks like LangChain.js, Next.js AI is a plus.
- Exposure to server components and edge platforms (e.g., Vercel, Cloudflare Workers/Pages) is a plus.
- Track record of contributing to frontend tooling, visualization libraries, or AI/identity projects is a plus.
Responsibilities:
- Build experiences and visualizations for understanding and adopting Keycard.
- Turn complex security and identity concepts into intuitive views.
- Establish design system, pipelines, and testing strategies.
- Collaborate with designers and systems engineers to create intuitive experiences and reliable infrastructure.
- Create interfaces and workflows for developers, users, and security teams to collaborate on agents.
