Cogent

Cogent

Staff Frontend Engineer (Member of Technical Staff)

San Francisco, CA · Staff+

Sponsorship not specifiedDetected 295 days ago
TypeScriptReactDatabricksAgentic AIResearchCommunicationCollaboration

About the role

  • This is a Staff+ caliber role: you've operated at least at Staff, Senior Staff, or Principal Frontend Engineer level at some point in your career, and you're excited to set the technical direction for a brand-new platform.
  • You'll combine deep architectural thinking with hands-on development, ensuring that our frontend stack is both elegant and resilient as we scale.

Responsibilities

  • Build Golden Libraries & Platform - Create reusable component libraries and tooling that set the standard for quality and enable rapid, consistent development across the team.
  • Build AI-Driven, User-Focused Features - While setting up core frontend infrastructure, design and deliver high-impact features that seamlessly integrate AI-powered capabilities, ensuring clarity, usability, and reliability for complex security workflows.
  • Drive Engineering Craftsmanship - Uphold high standards of code quality, attention to detail, and thoughtful design. Balance speed with sustainable engineering practices.
  • Strong background in frontend infrastructure-component libraries, build systems, state management, and performance optimization.

Requirements

  • 5+ years of professional software engineering experience
  • Deep expertise in React, TypeScript, and modern web application architecture.
  • Demonstrated ability to work autonomously, owning projects end-to-end with minimal oversight

Company info

  • Top universities like Stanford, Berkeley, Penn, Duke, Carnegie Mellon, Waterloo
  • Unicorn, high-growth companies like Scale AI, Databricks, Stripe, Tesla, Coinbase
  • World class cybersecurity experts from Wiz, Abnormal AI, Zscaler
  • Preeminent research labs like Deepmind and SAIL

This listing is sourced directly from Cogent's careers page and normalized into a canonical job model.