JetBridge AI · 5 hours ago
Frontend Developer — LLM Evaluation & Experiment Visualization
San Francisco Bay Area
Full-time
Onsite
Mid LevelJetBridge is a nonprofit research organization focused on measuring frontier AI capabilities. They are seeking a Frontend Developer to build user interfaces for LLM evaluation outputs and design data visualizations that help researchers understand model performance.
Mobile AppsSoftwareWeb Development
Responsibilities
Build React + TypeScript interfaces for exploring LLM evaluation results and experiment outputs
Design and implement data visualizations that make model behavior, metrics, and results easy to inspect
Build workflows that support end-to-end traceability of LLM runs (prompts → intermediate steps → decisions → outputs)
Partner closely with researchers; iterate quickly while balancing clarity, accuracy, and performance
Qualification
Required
Build React + TypeScript interfaces for exploring LLM evaluation results and experiment outputs
Design and implement data visualizations that make model behavior, metrics, and results easy to inspect
Build workflows that support end-to-end traceability of LLM runs (prompts → intermediate steps → decisions → outputs)
Partner closely with researchers; iterate quickly while balancing clarity, accuracy, and performance
React + TypeScript
Hands-on with at least one major visualization library: D3, Plotly, Vega/Vega-Lite, Visx, Three.js, Highcharts, ECharts
Company
JetBridge AI
We're the founders of Five9 (NASDAQ:FIVN) and DoctorBase (acquired by Tebra) and the creators of Last10 (Agentic RAG Made 10x Easier).
Founded in 2015
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$1.1MKey Investors
John Sung Kim
2018-02-04Seed· $0.6M
2017-01-10Seed· $0.5M
2016-04-10Pre Seed
Leadership Team
John Sung Kim
Founder & CEO
Company data provided by crunchbase