Staff Frontend Engineer: JS Tooling & AI-Driven DevTools

Meta; Santa Fe (NM); On-site; USD 184,000 - 257,000; Full time

Benefits offered by this job

Bonus eligibility

Equity

Job summary

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

You will drive architecture and technical direction of JS tooling systems that empower thousands of engineers to build faster, safer, and more efficiently at scale.

Qualifications

• Bachelor's degree in CS, CE, relevant field, or equivalent practical experience.
• 8+ years of front-end software engineering with JavaScript, HTML, and CSS.
• Experience leading major front-end initiatives involving complex system architecture, cross-team coordination, and phased rollouts.
• Experience designing scalable, performant, and accessible UI 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, performance, and developer experience.
• Build and enhance developer 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 assistance.
• 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 to ensure fast developer feedback loops.
• Establish and evolve best practices for JavaScript tooling, including AST manipulation, static analysis, and incremental compilation strategies.
• 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 both engineering and non-engineering audiences, including leadership.

Skills

Frontend architecture

JavaScript

Performance optimization

Cross-team leadership

Tooling expertise

AI-assisted development

Code quality

Mentoring

Roadmap planning

Communication

Education

Bachelor's degree in Computer Science or related field

Tools

Linters

Test runners

Code analysis tools

JS build tooling

AST tooling

Job description

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

You will drive architecture and technical direction of JS tooling systems that empower thousands of engineers to build faster, safer, and more efficiently at scale.