SiftStack
Staff Frontend Engineer, Systems
$160K–$250K
Marina Del Rey, CA · Hybrid · Staff · Full-time · Posted Oct 27, 2026
- Experience
- 7+ years building software for the web.
- Visa sponsorship
- Must be a U.S. citizen, lawful permanent resident, or protected individual such as an asylee or refugee, in compliance with ITAR / EAR regulations.
About the job
Build high-performance browser-based systems and visualizations for processing and exploring hardware telemetry.
What you'll do
- Design browser-based data pipelines using Web Workers, binary data processing, and persistent caching.
- Build accurate, interactive visualizations for telemetry, frequency analysis, geographic data, and scatter plots.
- Optimize frontend performance and architecture, and collaborate with backend engineers on APIs, serialization, and query semantics.
What they ask for
- 7+ years building software for the web.
- Strong TypeScript skills and comfort working in a React codebase.
- Systems-level intuition for memory, thread coordination, caching, and data serialization.
- Experience building software where correctness, data fidelity, and performance are critical.
Nice to have
- Browser GPU rendering or technical visualization experience.
- Experience with binary formats, browser threading/storage APIs, or domains where data correctness is non-negotiable.
Pay
$200,000 - $250,000 per year (base salary); $160K – $250K (total pay)
Tools
Web Workers, Apache Arrow, Origin Private File System, React, TypeScript, WebGL, WebGPU, Go
AI focus
The company describes its platform as infrastructure for the AI era for physical systems; the role's stated work focuses on browser-based telemetry processing and visualization.
Model-written summary · the original posting is authoritative