Senior Frontend Engineer (React

Location: Redwood City, CA (Onsite – 5 Days per Week)

Build the Future of Voice AI

Emerald Advantage Concepts is partnering with one of the fastest-growing AI companies in the world to hire an exceptional Senior Frontend Engineer
.

Our client is transforming how businesses use conversational AI by building a next-generation voice automation platform used by thousands of organizations. Backed by Y Combinator and leading venture investors, the company has experienced explosive growth and is recognized as one of the top AI startups in the industry.

This is an opportunity to join a small, high-performing engineering team where you'll own products from concept to production, work directly with the founders and CTO, and help shape the future of enterprise AI.

If you're passionate about building world-class user experiences with React and enjoy solving complex engineering challenges, we'd love to connect with you.

• Design and build high-performance frontend applications using React and Type Script.
• Own frontend features from architecture through deployment.
• Develop dashboards, analytics tools, customer portals, and AI workflow interfaces.
• Collaborate closely with backend and full-stack engineers to deliver exceptional user experiences.
• Work directly with customers to solve real-world problems and continuously improve the platform.
• Help shape frontend architecture and engineering best practices in a fast-moving startup environment.

• 3–7 years of professional frontend engineering experience.
• Expert-level React development experience.
• Strong production experience with Type Script.
• Experience with Node.js in production environments.
• Bachelor's degree in Computer Science or a related technical discipline.
• Experience working at a high-growth startup or well-known technology company.
• Ability to write clean, production-quality React code without relying on AI-generated solutions.

Candidates from companies such as:

• Tik Tok
• Coinbase
• Stripe
• Airbnb
• Door Dash
• Salesforce
• NVIDIA
• Postman
• Brex
• Faire
• Gusto
• Other high-growth startups or YC-backed companies

• Join one of the fastest-growing AI companies in the market.
• Work directly with the CTO and founding engineering team.
• High ownership with the opportunity to influence product direction.
• Competitive compensation ($200K–$300K) plus meaningful equity.
• Comprehensive medical, dental, and vision coverage.
• Visa sponsorship available for qualified candidates.
• Build products used by thousands of enterprise customers worldwide.