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Senior Full-Stack Engineer

United Kingdom, London · Job Posted December 08, 2025
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Job Description

Building infrastructure for machine learning training data quality. Platform handles indexing, curation and annotation of huge datasets to help customers build datasets, train models, and deploy AI systems.

Job Responsibility

  • Build out editor interface for visualising and annotating data
  • Handle wide range of data modalities (image, video, audio, text, PDFs, medical images, LIDAR)
  • Render complex 3D/4D scenes with thousands of objects
  • Combine data from several modalities while maintaining high browser performance
  • Take end-to-end ownership of projects from product, design and architectural decisions to deployment, monitoring and measuring impact
  • Work across the stack

Requirements

  • Experience in building complex UIs
  • Experience developing and maintaining multiple systems from scratch
  • Knowledge of trade-offs in building reliable, performant software
  • Open to learning new technologies
  • Passionate and eager to learn

Nice to have

  • Prior experience with Python and Typescript
  • Experience with backend (Python, Rust), frontend (Typescript, React), Kubernetes, GCP

What we offer

  • Competitive salary and equity
  • 25 days annual leave + public holidays
  • Opportunities for growth in hyper growth business
  • Work at cutting edge of computer vision and deep learning
  • Explore enterprise AI use cases across multiple industries

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