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