Staff Frontend Engineer: JS Tooling & AI-Driven DX

Meta; Olympia (WA); On-site; USD 184,000 - 257,000; Full time

Benefits offered by this job

Bonus

Equity

Benefits

Job summary

Meta is seeking a Staff Software Engineer to shape JavaScript tooling and developer infrastructure across Meta's products. You will design JS compiler enhancements, build tooling such as linters and test runners, and integrate AI-powered capabilities into developer workflows.

You will guide architecture and technical direction for JS tooling at scale, mentor engineers, and collaborate with cross-functional teams to drive performance, maintainability, and roadmap alignment.

Qualifications

• Bachelor's degree in CS, CE, or related field, or equivalent practical experience.
• 8+ years of experience in frontend software engineering, including JavaScript, HTML, and CSS.
• Experience leading frontend initiatives involving complex architectures, cross-team coordination, and phased rollouts.
• Experience building scalable, accessible UI systems for large user bases.
• Experience using data, experimentation frameworks, and telemetry to drive front-end decisions.
• Experience communicating technical decisions and trade-offs in writing to stakeholders.

Responsibilities

• Lead design and implementation of compiler passes and JavaScript transformations that improve code quality, performance, and developer experience.
• Build and enhance tooling infrastructure including linters, test runners, and code analysis tools used by thousands of engineers.
• Integrate LLM-powered capabilities into developer workflows, accelerating code generation, automated fixes, and intelligent tooling.
• Drive end-to-end delivery of major JS tooling initiatives, coordinating dependencies across engineering, product, and infrastructure teams.
• Identify and resolve complex performance bottlenecks in build systems, bundlers, and JavaScript execution.
• Mentor other engineers on compiler design, tooling architecture, and AI-assisted development practices.
• Partner with cross-functional stakeholders to independently drive technical decisions and roadmap priorities for developer tools.
• Proactively identify and address technical debt in tooling infrastructure, lead migrations to modern standards, and ensure maintainability at scale.
• Communicate technical strategy, trade-offs, and roadmap decisions clearly to leadership and engineers.

Skills

JavaScript

Front-end architecture

React

Cross-team collaboration

Performance optimization

Compiler passes

Tooling development

Mentoring

Roadmap planning

AI-assisted development

Education

Bachelor's degree in Computer Science or related field

Tools

Static analysis tools

Linters

Test runners

Code analysis tools

AST manipulation

CI/CD

Job description

Meta is seeking a Staff Software Engineer to shape JavaScript tooling and developer infrastructure across Meta's products. You will design JS compiler enhancements, build tooling such as linters and test runners, and integrate AI-powered capabilities into developer workflows.

You will guide architecture and technical direction for JS tooling at scale, mentor engineers, and collaborate with cross-functional teams to drive performance, maintainability, and roadmap alignment.