Data Annotation & Tooling Engineer

Salary: £35,000 - 75,000 per year

Requirements

• Experience working with computer vision datasets.
• Experience using annotation tools.
• Strong attention to detail.
• Python scripting experience.
• Comfortable handling large datasets.
• Understanding of image classification, object detection, and segmentation tasks.
• Experience creating clear documentation and annotation guidelines.
• Excellent organisational skills.
• Experience with PyTorch datasets.
• Experience with MLOps or data pipelines.
• Understanding of computer vision model training.
• Knowledge of active learning workflows.
• Experience with Git.
• Robotics or autonomous systems experience.

Responsibilities

• Prepare, curate, and annotate large-scale image and video datasets.
• Develop and improve annotation workflows and tooling.
• Configure and maintain annotation platforms.
• Create annotation guidelines and documentation.
• Validate dataset quality and consistency.
• Perform quality assurance on annotated datasets.
• Work closely with Machine Learning Engineers to understand model requirements.
• Identify labelling inconsistencies and improve annotation standards.
• Assist with dataset versioning and management.
• Automate repetitive annotation and validation tasks where possible using Python.
• Work directly with AI and Computer Vision engineers to help build the datasets that power next-generation autonomous systems.
• Help influence how AI systems are trained and evaluated.

Technologies

• AI
• Computer Vision
• Git
• Machine Learning
• PyTorch
• Python
• Robotics

More

We are hiring a Data Annotation & Tooling Engineer to work remotely in the UK, with salary dependent on experience. We build high-quality datasets that underpin cutting-edge computer vision and AI systems, and this role goes beyond traditional data annotation by combining workflow development, tooling maintenance, dataset quality assurance, and close collaboration with machine learning engineers. You will join our AI and Computer Vision team to help create reliable training data for advanced models and contribute to next-generation autonomous systems.

last updated 30 week of 2026