About the Job

techstack Recruitment in London is seeking a Senior Software Engineer to join a high‑growth data visualisation company. You’ll help build the rendering systems, charting components, and visualisation infrastructure that power mission‑critical applications.

This is not a dashboard role; you’ll tackle rendering, graphics, API design, and numerical correctness at scale. You’ll collaborate in a small, experienced team, owning features from concept to production and solving challenging performance

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