AI Safety Data Scientist - Build Trusted Datasets

AI Startups UK; Greater London; Hybrid; GBP 85,000 - 120,000; Full time

Benefits offered by this job

Innovative culture

Growth opportunities

Annual discretionary stipend

Social travel stipend

Annual company offsite

Co-working stipend

Job summary

ElevenLabs in London is seeking a Data Scientist to own datasets and evaluation workflows for our AI Safety work. You’ll turn real-world product data into reliable, well-structured datasets for training and evaluating models, and help build processes to assess model performance in production.

This hands-on role sits at the intersection of data science, ML, AI safety and policy. You’ll collaborate with safety researchers, engineers and policy specialists to translate complex guidelines into

Qualifications

• Experience as a Data Scientist working with real-world datasets and ML models.
• Strong grasp of what makes a good dataset: collection, cleaning, sampling, labelling, quality control, evaluation.
• Comfortable with Python and SQL for analysis and practical data workflows.
• Strong critical thinking and judgement; able to turn complex guidelines into scalable decisions.
• Autonomous and a clear communicator, able to work across policy, engineering and research in a fast-moving environment.

Responsibilities

• Own safety datasets end-to-end: collection, cleaning, labelling, quality control, versioning, and readiness for training and evaluation.
• Translate safety policy into clear, consistent labelling and evaluation criteria, working with policy specialists.
• Design and manage labelling processes, onboarding, and overseeing external contributors to a high quality bar.
• Build evaluation workflows for models in production, using real-world data to track performance and surface issues.
• Develop lightweight Python/SQL pipelines and tooling to speed data work and ensure reproducibility, in partnership with ML engineers.

Skills

Data Scientist

Real-world datasets

Python

SQL

Critical thinking

Autonomous communicator

Job description

ElevenLabs in London is seeking a Data Scientist to own datasets and evaluation workflows for our AI Safety work. You’ll turn real-world product data into reliable, well-structured datasets for training and evaluating models, and help build processes to assess model performance in production.

This hands-on role sits at the intersection of data science, ML, AI safety and policy. You’ll collaborate with safety researchers, engineers and policy specialists to translate complex guidelines into