Frontend Engineer
Builds performance-critical canvas-based UI for visualizing massive data streams in the browser, optimizing rendering loops, memory, and low-level web APIs for incident response tools. Requires expertise in TypeScript, React, Canvas/WebGL, and measurable performance metrics.
About the job
Responsibilities
- Architect frontend solutions with data pipelines, rendering loops, and memory constraints in mind for a canvas-based app that ingests and visualizes huge streams of data.
- Build performance-critical frontends ensuring smooth rendering and responsiveness.
- Make decisions impacting user experience during incidents, working close to the browser's low-level engine.
Requirements
- Strong grasp of data structures and algorithms.
- Expressive TypeScript usage with strong type system knowledge.
- Fluency in low-level web APIs (e.g., OPFS, OffscreenCanvas, Web Workers).
- Experience with React, Canvas, WebGL, or raw DOM manipulations for performance.
- Focus on measurable performance: frame budgets, memory profiles, flame graphs.
Nice To Haves
- Experience with WebAssembly (WASM) for data-heavy or compute-bound tasks.
- Familiarity with bundling and build tooling (Webpack, Vite, Rollup).
- Background in usability/UX for data-dense applications.
- Deep knowledge of React internals including scheduler.
Skills
TypeScript, React, Canvas, Webgl, Web Workers, Offscreencanvas, Opfs, Webassembly, webpack, Vite
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