Frontend Engineer

Capsule is building the world’s most intuitive AI-powered video editing tool, designed for modern teams. We’re a Series A startup led by two serial founders who have built and scaled creative platforms used by hundreds of millions of people. We’re backed by top-tier investors behind Webflow, Figma, Slack, and Replit. We’ve grown quickly. In less than a year, 100+ enterprise teams—including HubSpot, ServiceNow, and Instacart—use Capsule to create high-quality, on-brand video content at scale. We're hiring a Senior Frontend Engineer to help us build the next generation of web-based video editing. You’ll be a key contributor to our engineering culture and product direction, working closely with design and product in a zero-ego, high-ownership environment. What You’ll Do • Build beautiful, performant, responsive web UIs using React and Next.js • Translate designs into high-quality code—adding the nuance that turns "good" into "great" • Collaborate with design and product to shape new features from concept to launch Implement and maintain our design system and component library • Own integrations with internal and 3rd-party APIs • Identify and eliminate technical debt, simplify architecture, and improve performance • Champion quality through testing, code reviews, documentation, and best practices • Explore new technologies through rapid prototyping and R&D • Contribute to a high-velocity, collaborative engineering culture • Stay up-to-date with AI coding tools to gain leverage and velocity What We’re Looking For • 4+ years of professional frontend experience (React, Next.js, or similar frameworks) • A strong sense of product and design—your work should feel as good as it looks Experience building production apps from scratch • Solid knowledge of modern frontend architectures and web video technologies • Proficiency with Figma and collaborating closely with design • Strong communicator with high emotional intelligence • Entrepreneurial mindset with a bias toward action • Bonus points for: • API development with Node.js • WebAssembly and/or WebGL • AI Engineering • Familiarity with CI/CD and APM tools Perks & Benefits • Salary between 100k-170k USD +equity • Comprehensive health coverage (medical, dental, vision) • Generous PTO • A diverse, mission-driven team with big ambitions and low ego