Staff Frontend Engineer
2 weeks ago
About the RoleCogent Security is redefining how AI can proactively defend organizations against evolving threats. As a Staff Frontend Engineer, you will own the frontend platform and experience that enables customers to visualize, understand, and act on complex security data with confidence.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 will design the frontend infrastructure, build “golden” component libraries, and make the platform AI-friendly, all while continuing to ship customer-facing features.You’ll combine deep architectural thinking with hands-on development, ensuring that our frontend stack is both elegant and resilient as we scale. Over time, you’ll help mentor other frontend engineers and we will build a team around the foundations you create.What You’ll DoDefine 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.About YouHave operated at Staff+ level (Staff, Senior Staff, or Principal Frontend Engineer) at some point in your career.5+ years of professional software engineering experienceDeep 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 oversightExceptional attention to detail and a passion for engineering craftsmanship.Excellent collaboration and communication skills; thrive in fast-paced, high-impact environments.Why Cogent SecurityCogent Security is redefining how AI can proactively defend organizations against evolving threats. Our mission is to empower security teams with cutting-edge AI agents and clear, actionable insights. You’ll join a high-slope engineering team where your work directly impacts the safety of some of the world’s most sophisticated organizations.
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Staff Frontend Engineer
4 weeks ago
San Francisco, United States Cogent Security Full timeAbout the Role Cogent Security is redefining how AI can proactively defend organizations against evolving threats. As a Staff Frontend Engineer, you will own the frontend platform and experience that enables customers to visualize, understand, and act on complex security data with confidence. This is a Staff+ caliber role: you’ve operated at least at...
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Staff Frontend Engineer
1 week ago
San Francisco, CA, United States Cogent Security Full timeAbout the Role Cogent Security is redefining how AI can proactively defend organizations against evolving threats. As a Staff Frontend Engineer, you will own the frontend platform and experience that enables customers to visualize, understand, and act on complex security data with confidence. This is a Staff+ caliber role: you've operated at least at Staff,...
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Staff Frontend Engineer
3 weeks ago
San Francisco, CA, United States Cogent Security Full timeAbout the Role Cogent Security is redefining how AI can proactively defend organizations against evolving threats. As a Staff Frontend Engineer, you will own the frontend platform and experience that enables customers to visualize, understand, and act on complex security data with confidence. This is a Staff+ caliber role: you've operated at least at Staff,...
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Staff Frontend Engineer
7 days ago
San Francisco, United States Harrison Clarke Full timeThis range is provided by Harrison Clarke. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $320,000.00/yr - $400,000.00/yr Role: Staff Frontend Engineer Harrison Clarke are partnered with a high profile AI Coding Platform. This exciting startup is building a platform that helps...
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Founding Frontend Engineer
2 weeks ago
San Francisco, United States Transparent Search Group Full timeJob Description: Founding Frontend Engineer (Staff) Job Summary Variant is seeking a Founding Frontend Engineer to own and shape the frontend of our platform. This is a Senior II / Staff-level role based in San Francisco, CA. We are well-capitalized, backed by top investors, and focused on building software that blends engineering excellence with design...
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Staff Software Engineer, Frontend
4 weeks ago
San Francisco, United States 3Y Health Full timeStaff Software Engineer, Frontend Apply for the Staff Software Engineer, Frontend role at 3Y Health. About Us At 3Y Health, we are building AI-driven software to empower healthcare providers and solve the overwhelming administrative complexity that consumes 40% of the industry’s revenue. Our end‑to‑end platform unlocks opportunities for clinician...
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Staff Frontend Engineer
4 days ago
San Francisco, California, United States Pivotal Solutions Full timeIn this role, you will have substantial ownership over the architecture of the frontend codebase that supports all of our product work. You will drive the evolution of our frontend abstractions, identifying and triaging opportunities to restructure or improve them, making technology choices to support new capabilities, and scoping significant independent...
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Staff Frontend Engineer, AI
2 weeks ago
San Francisco, United States Airwallex Full timeAbout AirwallexAirwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 150,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business...
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Staff / Sr. Staff Software Engineer (Frontend)
2 weeks ago
San Francisco, United States Tessell Full timeStaff / Sr. Staff Software Engineer (Frontend)Join to apply for the Staff / Sr. Staff Software Engineer (Frontend) role at TessellStaff / Sr. Staff Software Engineer (Frontend)Join to apply for the Staff / Sr. Staff Software Engineer (Frontend) role at TessellGet AI-powered advice on this job and more exclusive features.About Us:Tessell is a fast-growing...
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Staff Frontend Engineer
2 weeks ago
San Francisco, United States Principled Full timeJob Description Staff Frontend Engineer (Web) Location: Hybrid (San Francisco) / Remote (US/Canada) Employment Type: Full-time About the Opportunity At Principled we are partnering with an early-stage HealthTech startup that's rethinking primary care from the ground up, pairing cutting-edge diagnostics with AI-driven care plans to help people live longer,...
