# Principal Software Engineer - Models

**Company**: CoreWeave
**Location**: San Francisco, CA, Bellevue, WA, Sunnyvale, CA, New York, Livingston, NJ
**Experience**: senior
**Job type**: full-time
**Salary**: $227,000 to $303,000
**Category**: Engineering
**Industry**: Technology

**Apply**: https://job-boards.greenhouse.io/coreweave/jobs/4713940006?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_7f92056f-307

## Description

### Job Summary

As a Principal Software Engineer - Models at CoreWeave, you will own the frontend architecture of the W&B app, a critical product used daily by ML researchers and engineers. Your primary focus will be on ensuring the app's performance, stability, and reliability.

### Responsibilities

- Define and maintain the frontend architecture of the W&B Models app

- Ensure optimal performance, stability, and reliability of the app

- Collaborate with backend and platform teams on API design and optimization

- Set performance targets and drive the work necessary to meet them

- Manage cross-team requirements within the Models system

- Propose and implement significant overhauls to improve the app's performance and capabilities

### Requirements

- 8+ years of experience building user-facing software with deep expertise in frontend architecture and performance

- Proven experience leading the transformation of large, long-lived React applications with a focus on performance and product impact

- Strong command of React, TypeScript, GraphQL, and modern state management approaches

- Real performance engineering skills, including instrumentation, trace analysis, and performance improvement

- Solid understanding of client-side caching fundamentals

- Hands-on experience with bundlers and build tooling

- Backend depth to design systems at a high level and propose new API architectures

- Track record of validating ideas, coordinating across engineering teams, and sequencing work across organizational boundaries

### Preferred Qualifications

- Experience introducing automated enforcement mechanisms such as lint rules, CI gates, or performance budgets

- Background in data-dense or visualization-heavy applications

- Familiarity with observability tooling such as Datadog RUM and APM

- Working knowledge of Go or a similar backend language

- Exposure to ML, MLOps, or AI agent workflows

- Experience with highly configurable products

### Compensation and Benefits

- Base salary range: $227,000 to $303,000

- Comprehensive benefits package, including medical, dental, and vision insurance, company-paid life insurance, flexible spending account, health savings account, tuition reimbursement, employee stock purchase program, mental wellness benefits, family-forming support, paid parental leave, flexible PTO, and 401(k) with a generous employer match

## Skills

### Required
- React
- TypeScript
- GraphQL
- Redux
- Zustand
- Performance Engineering
- Client-side Caching
- Bundlers and Build Tooling
- API Design

### Nice to have
- Automated Enforcement Mechanisms
- Datadog RUM and APM
- Go
- ML, MLOps, or AI Agent Workflows
- Highly Configurable Products

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Source: [Apply at job-boards.greenhouse.io](https://job-boards.greenhouse.io/coreweave/jobs/4713940006?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)