Data Scientist - AI Safety
Looking for a data scientist job in London? Choose from 29 open roles at 16 employers. Explore real salary data and skills breakdown across remote, hybrid and on-site roles.
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The work spans several distinct sub-disciplines. Some roles sit close to product analytics, where the focus is on experimentation, A/B testing, and translating data into decisions for product and commercial teams — as seen in postings like Data Scientist – Audiobooks Analytics and Senior Data Scientist at Fin. Others lean into applied machine learning and production modelling: the Anaplan data scientist role involves building demand forecasting pipelines with PyTorch and LightGBM, while the Principal AI Data Scientist there extends into large language model fine-tuning and generative AI. A minority of postings involve highly specialised contexts: the Microsoft senior role requires UK Security Check clearance and embeds scientists with defence and intelligence customers. The Google PhD internship is explicitly for penultimate-year doctoral candidates focused on research into business dynamics and user behaviour. Management-track titles also appear, covering experimentation teams and product data science functions.
Across all postings in this sample, Python and statistics are mentioned in almost every description, and SQL appears nearly as often, making them the clearest common baseline. A/B testing features in roughly half. AI-adjacent skills — agents, LLMs, PyTorch — appear in a meaningful minority, suggesting a split between more established analytics work and newer AI-focused roles. Academic credentials such as a PhD or Master's degree appear in a smaller subset of postings only, not across the board.
Most postings in this sample are listed as onsite, with a smaller number specifying hybrid arrangements. Only one posting is listed as remote. No postings have an unknown work mode, so the picture here is relatively clear compared with many samples. However, 'onsite' and 'hybrid' are advertised labels and the precise number of required office days is not stated in the descriptions available. Candidates should verify exact arrangements directly with each employer, as expectations can differ significantly even within the same label.
Jobs checked 5 hours ago. · Guide reviewed 9 September 2026.
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