CareerPlanSign in

Principal Software Engineer - Models

San Francisco, CA💼 Full-time💰 $227,000–$227,000🗓 2026-09-18 → 2026-09-26

Core

Own the frontend architecture, performance, and stability of the W&B Models app, defining boundaries for data composition and rendering to serve AI researchers and engineers.

Role type

Principal Frontend Architect (AI/ML platform)

Builds

The W&B Models frontend application for AI researchers and engineers

Domain

AI/ML infrastructure, Cloud Computing

Deliverable

product features

Required skills

Frontend architecture, React, TypeScript, GraphQL, Performance engineering, Client-side caching, Build tooling, API design, Cross-team coordination

Preferred skills

Automated enforcement (lint/CI), Data-dense/visualization apps, Observability tooling, Go, ML/MLOps/AI agent workflows, Highly configurable products

Technologies

React, TypeScript, GraphQL, Redux, Zustand, Datadog RUM, APM, Go

Responsibilities

Define frontend architecture and rendering boundaries, Set and drive performance targets, Partner on API design to move work out of the client, Lead large-scale overhauls, Coordinate cross-team requirements, Instrument applications and prove improvements with data

Seniority

Principal, hands-on IC with strategic scope

Sourced via greenhouse · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.