> Markdown version of [/jobs/ext/3844687-software-engineer-frontend-staff](https://www.wearedevelopers.com/jobs/ext/3844687-software-engineer-frontend-staff). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Frontend (Staff+) - **Company:** Cogent Inc - **Location:** New York, NY, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Software Quality, Software Engineering, TypeScript, Web Applications, ReactJS, Material UI, Build Tools, Front End Software Development - **Published:** October 20, 2026 - **Apply:** https://www.juju.com/job/23_B78959245CD5806F5A84E12EAF58E67E ## About the Role 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.For California Based ApplicantsThe standard base salary range for this position is $100,000 - $300,000 annually. Compensation offered will be determined by factors such as location, job level, job-related knowledge, skills, and experience. Certain roles may be eligible for variable compensation, equity, and benefits.We are committed to building an inclusive and diverse company. We do not discriminate based on gender, ethnicity, sexual orientation, religion, civil or family status, age, disability, or race. ## Description 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.