Software Engineer (Web Performance), v0

Position Overview

Vercel gives developers the tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. As the team behind v0, Next.js, and AI SDK, Vercel helps customers like Ramp, Supreme, PayPal, and Under Armour build for the AI-native web.

In this Full Time, Hybrid role (New York City, San Francisco), you will serve as a Web Performance Engineer on v0. You’ll focus on performance engineering, front-end architecture, and user experience using React, Next.js, and Vercel’s edge infrastructure. You will be responsible for creating performance patterns and infrastructure that guarantee fast load times, smooth interactions, and exceptional UX across devices and regions.

Compensation: The San Francisco, CA base pay range for this role is $224,000 - $336,000. Actual salary will be based on job-related skills, experience, and location. Compensation outside of San Francisco may be adjusted based on employee location. The total package may include benefits, equity-based compensation, and eligibility for a company bonus or variable pay program.

Key Responsibilities

• Architect and implement high-performing frontend systems using React and Next.js.
• Ensure a world-class user experience through thoughtful UI/UX engineering, accessibility, and maintainability.
• Build frameworks and tooling to evaluate and improve performance (Lighthouse, Real User Monitoring, Core Web Vitals).
• Collaborate closely with design, product engineering, and AI teams to ensure high quality and performance standards.
• Optimize performance for speed, scalability, and reliability throughout the stack.

Required Qualifications

• At least 5+ years of relevant experience.
• Strong experience building and optimizing React/Next.js applications.
• Deep understanding of web performance fundamentals (Core Web Vitals, caching, hydration strategies, edge rendering).
• Passionate about user experience, design systems, and creating intuitive interfaces.
• A commitment to quality and innovation at the intersection of AI, frontend, and performance.

Benefits & Perks

• Competitive compensation package, including equity.
• Inclusive Healthcare Package.
• Opportunities to learn and grow with mentorship and industry events.
• Flexible Time Off.
• Provision of work gear and a WFH budget to outfit your home office.