Senior Frontend Engineer, Forge

The role

The Senior Frontend Engineer will build platforms and user experiences for Playground and Jockey App. You will design frontend structures, reusable components, and collaborate with PMs, designers, and engineers to integrate AI features.

What you will do

• Design and develop model exploration experiences for Playground and AI agent experiences for Jockey App.
• Implement interactive interfaces, real-time responses, and task status displays for Jockey App.
• Design and improve frontend structures for common platform functions like authentication, organization management, and billing.
• Collaborate with PMs and designers to specify user flows and interactions.
• Work with backend and AI engineers to integrate new models and agent features.
• Develop reusable components and common UI patterns.
• Improve product quality through testing, performance optimization, and accessibility improvements.

Required qualifications

• 5+ years of frontend development experience leading production web applications from design to launch and operation.
• Proficiency in React and TypeScript.
• Experience designing web application structures and data flows using Next.js and React Query.
• Experience handling asynchronous data flows and complex UI states.
• Understanding of component design, state management, testing, and performance optimization.
• Ability to judge priorities and technical tradeoffs and collaborate with cross-functional teams.
• Business level English for technical discussions and documentation.
• No disqualification for overseas travel.

Nice to have

• Experience developing responsive websites using CSS frameworks like Tailwind or custom design systems.
• Experience using design tools like Figma and collaborating with in-house design teams.
• Experience with unit testing tools such as Jest and React Testing Library.
• Understanding of REST API and experience building Mock API servers using Mock Service Worker.
• Enterprise level product development experience.
• Understanding of SDLC and frontend infrastructure including CI/CD, build tools, caching, and optimization.
• Experience developing video-related services such as video streaming or video search.

Benefits

• Hybrid work environment with autonomy and collaboration.
• Latest MacBook and 700,000 KRW worth of remote work equipment, with updates every 3 years.
• Unlimited LLM token support for Tech roles.
• 1.4 million KRW annual self-development budget for lectures, conferences, and memberships.
• English education programs and global buddy programs.
• Taxi fare support for night and weekend commutes.
• Corporate card worth 7.2 million KRW annually for meals and transportation.
• Snack bar in the office with snacks, coffee, and seasonal fruit.
• Dinner provided after 7 PM when working in the office.
• Annual health checkup for the employee and one family member.
• Group insurance (choice of accident, dental, or family accident insurance).
• Flu vaccination support.

Before you apply

• Must have no disqualification for overseas travel.
• 3-month probation period applies with 100% salary paid.

About the company

TwelveLabs builds AI infrastructure to help machines understand video. The company operates global offices in San Francisco, Seoul, New York, and London.