Frontend Engineer

About this role

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