Staff Front-End Engineer: JS Tooling & AI-Driven Workflows

Meta; Cheyenne (WY); 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 and implement JS compiler enhancements, build linters and test runners, and integrate AI-assisted capabilities into workflows.

You will drive architecture for tooling systems enabling thousands of engineers to build faster and safer at scale. You will lead architecture decisions, mentor peers, and oversee end-to-end delivery of major JS tooling initiatives,

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, or equivalent practical experience.
• 8+ years of experience in front-end software engineering, including JavaScript, HTML, and CSS.
• Experience leading front-end initiatives with complex system architecture, cross-team coordination, and phased rollouts.
• Experience designing scalable, performant, and accessible user interface systems for products with large user bases.
• Experience using data, experimentation frameworks, and telemetry to drive front-end product and engineering decisions.
• Experience communicating technical decisions and trade-offs in writing to both technical and non-technical stakeholders.

Responsibilities

• Lead the design and implementation of compiler passes and JavaScript transformations that improve code quality and performance.
• Build and enhance developer tooling infrastructure including linters and test runners.
• Integrate LLM-powered capabilities into developer workflows, accelerating code generation and intelligent tooling.
• Drive end-to-end delivery of major JS tooling initiatives, coordinating dependencies across teams.
• Identify and resolve complex performance bottlenecks in build systems, bundlers, and JS execution.
• Establish and evolve best practices for JavaScript tooling, including AST manipulation and incremental compilation strategies.
• Mentor other engineers on compiler design, tooling architecture, and AI-assisted development practices.
• Partner with cross-functional stakeholders to drive technical decisions and roadmap priorities.
• Proactively address technical debt in tooling infrastructure and migrations to modern standards.
• Communicate technical strategy and roadmap decisions clearly to leadership and engineers.

Skills

JavaScript

HTML

CSS

Compiler design

LLM-powered tooling

Tooling infrastructure

Mentoring engineers

Cross-team coordination

Performance optimization

Roadmap planning

Education

Bachelor's degree in Computer Science

Tools

Linters

Test runners

AST manipulation

Static analysis

Incremental compilation

Code analysis

Job description

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

You will drive architecture for tooling systems enabling thousands of engineers to build faster and safer at scale. You will lead architecture decisions, mentor peers, and oversee end-to-end delivery of major JS tooling initiatives,