Founding Frontend Engineer — High-Perf React/WebGL

Jack & Jill; Greater London; On-site; GBP 102,000 - 138,000; Full time

Benefits offered by this job

Equity

Job summary

Mozart AI in London seeks a Founding Frontend Engineer to own the frontend architecture, tackling performance challenges and building the frontend to support AI-driven audio tools for artists.

You will manage a complex stack (React, WebGL, Zustand), implement a scalable design system, and partner with leadership to drive the product vision with a strong emphasis on performance and user experience.

Qualifications

• Approximately 5 years of professional frontend experience with deep expertise in TypeScript, React, and modern state management libraries.

Responsibilities

• Architect and own the frontend architecture including complex state management and real-time data streaming.
• Develop and maintain a high-performance design system and testing infrastructure for large-scale deployments.
• Collaborate with the CTO to shape technical direction and integrate AI-driven UI features.

Skills

Frontend development

TypeScript

React

State management

Tools

React

WebGL

TanStack

WebSockets

Job description

Mozart AI in London seeks a Founding Frontend Engineer to own the frontend architecture, tackling performance challenges and building the frontend to support AI-driven audio tools for artists.

You will manage a complex stack (React, WebGL, Zustand), implement a scalable design system, and partner with leadership to drive the product vision with a strong emphasis on performance and user experience.