Software Engineer | Canvas | SVG | High-Performance Charting | London

to £200,000 depending on exp.

Most data visualisation roles sit on top of libraries.

This one builds the engine behind them.

I’m hiring a Senior Engineer to work on a widely-used charting library used by thousands of developers building data-intensive applications. This is core product engineering — focused on rendering, performance, correctness, and API design.

This is not a typical frontend role. You’ll be working closer to a graphics engine than an application layer.

What you’ll be doing

• Designing and building core features across rendering, chart types, animations, and APIs
• Solving performance-critical problems in Canvas and SVG
• Working on correctness and precision in data visualisation
• Taking features end-to-end — from design through to release
• Collaborating with senior engineers on a highly integrated...