Senior React Engineer (Immediate start)

We are seeking a specialised Front-End Engineer with expertise in React, real-time distributed state, with high-performance graphics rendering. The role requires deep experience

optimising HTML5 Canvas performance for high-volume, concurrent vector and raster

graphics. Ideal candidates will have prior experience with a major Canvas library (such as

Konva.js, Fabric.js, Paper.js, or PIXI.js) to manage complex, interactive drawing states in a

collaborative environment.

Key Technical Expertise

• Developing complex, performant, and interactive graphics using React

• Deep understanding of the HTML5 Canvas API and optimisation techniques, i.e.

minimising redraws, buffering

• Experience with a Canvas Graphics Library (e.g., Konva.js, Fabric.js, Paper.js, or

PIXI.js) for state management and object manipulation

• Seamlessly handling both Vector and Raster graphics including shapes, paths, and imported

images

• Expertise using WebSocket APIs for low-latency, real-time communication

• Proven ability to implement distributed state synchronisation for concurrent multi-user

• Designing efficient protocols for sending small, frequent drawing actions

Core Engineering

• Strong proficiency in modern TypeScript/JavaScript for building scalable applications

• Experience designing the overall data model and application flow for a complex,

stateful, single-page application

• Focus on application performance and responsiveness beyond typical web page

metrics.

To apply for this position, please send your resume to Sign in to view email, and all applications will be reviewed in the strictest confidence.