SiftStack
Senior Software Engineer, Frontend
$180K–$230K
San Francisco, CA · Hybrid · Senior · Full-time · Posted Oct 27, 2026
- Experience
- 5+ years of professional experience building web applications and data-driven tools.
- 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 frontend interfaces and reusable components for exploring and visualizing high-frequency telemetry data in real time.
What you'll do
- Build high-performance data visualization interfaces and reusable component libraries for complex telemetry data.
- Create intuitive data-exploration interfaces optimized for large real-time datasets.
- Collaborate with backend teams on API design and implementation, and participate in technical design discussions.
What they ask for
- 5+ years of professional experience building web applications and data-driven tools.
- Strong experience building production applications with technologies like React, NextJS, and TypeScript.
- Strong understanding of web performance optimization and browser rendering.
- Experience with modern CSS (Tailwind) and component libraries (Radix UI) for building design systems.
Nice to have
- Experience with technical visualization tools (WebGL, D3.js, Apache ECharts) and time-series data.
- Knowledge of WebAssembly and browser-based computation.
Pay
$180,000 - $230,000 per year (base salary)
Tools
React, NextJS, TypeScript, Tailwind, Radix UI, WebGL, D3.js, Apache ECharts
AI focus
The company describes its platform as data infrastructure for the AI era for physical systems; the role's stated work does not involve building AI.
Model-written summary · the original posting is authoritative