Staff Frontend Engineer (Member of Technical Staff) jobs in United States
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Cogent Security · 2 months ago

Staff Frontend Engineer (Member of Technical Staff)

positionUnited States
timeFull-time
remoteRemote
senioritySenior Level, Lead/Staff
date5+ years exp

Cogent Security is an Applied AI Lab focused on building next-generation AI agents for cybersecurity. As a Staff Frontend Engineer, you will own the frontend platform, design architecture, and deliver user-focused features while mentoring other engineers.

ComputerInformation TechnologyNetwork Security
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H1B Sponsor Likelynote

Responsibilities

Define Frontend Architecture – Establish the core architecture and patterns for our web applications, laying the foundation for long-term scalability and performance
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
Mentor and Influence – Serve as a mentor and technical leader for future frontend engineers; help us grow a team that values craftsmanship and excellence
Drive Engineering Craftsmanship – Uphold high standards of code quality, attention to detail, and thoughtful design. Balance speed with sustainable engineering practices

Qualification

ReactTypeScriptFrontend ArchitectureComponent LibrariesPerformance OptimizationCollaboration SkillsCommunication SkillsAttention to Detail

Required

Have operated at Staff+ level (Staff, Senior Staff, or Principal Frontend Engineer) at some point in your career
5+ years of professional software engineering experience
Deep expertise in React, TypeScript, and modern web application architecture
Strong background in frontend infrastructure—component libraries, build systems, state management, and performance optimization
Demonstrated ability to work autonomously, owning projects end-to-end with minimal oversight
Exceptional attention to detail and a passion for engineering craftsmanship
Excellent collaboration and communication skills; thrive in fast-paced, high-impact environments

Company

Cogent Security

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Cogent Security has created the first AI taskforce for vulnerability management.
dateFounded in 2024
location
San Francisco, California, USA
people-size11-50 employees
web-link
https://www.cogent.security/

H1B Sponsorship

Cogent Security has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)

Funding

Current Stage
Early Stage
Total Funding
$11M
Key Investors
Greylock
2025-07-15Seed· $11M

Recent News

Help Net Security
Week in review: Cisco fixes critical UCCX flaws, November 2025 Patch Tuesday forecast
2025-11-09
Help Net Security
Product showcase: Cogent Community democratizes vulnerability intelligence with agentic AI
2025-11-03
Business Wire
Cogent Launches Free AI Tool to Democratize Vulnerability Intelligence
2025-11-03
Company data provided by crunchbase