https://jobs.co.uk/job/senior-data-scientist-sr2--d0b8f309-4616-4a41-afa2-ad0ddbc50933 RSS feed for Senior Data Scientist at SR2. en-gb Wed, 28 Oct 2026 01:43:39 GMT https://jobs.co.uk/job/senior-data-scientist-sr2--d0b8f309-4616-4a41-afa2-ad0ddbc50933 https://jobs.co.uk/job/senior-data-scientist-sr2--d0b8f309-4616-4a41-afa2-ad0ddbc50933 Tue, 27 Oct 2026 12:52:43 GMT Location: London | Salary: 650.00-650.00 Daily | Type: Permanent | Senior Data Scientist - SC ClearedLocation: London - 2 days per week onsiteRate: £650 - £725 per day (Inside IR35)Contract: 6 months+, long term programme (3 years)Start: ASAP within 1 monthClearance: Active SC Clearance required The Opportunity We''re looking for an experienced Data Scientist to join a major government programme, working on a large-scale data matching engine used to identify potential national security risks. You''ll focus on improving the accuracy and performance of an existing matching engine, analysing how personal data is matched across multiple systems and refining the rules to reduce false positives and improve operational efficiency. Key Responsibilities Analyse and optimise entity resolution and data matching performance. Refine, test and implement matching rules using data-driven insights. Improve matching accuracy, precision and recall. Work closely with engineering teams to deliver improvements into production. Support performance testing and ongoing optimisation. Key Skills and Experience Entity resolution, record linkage or fuzzy matching experience. Strong Python experience, including pandas, NumPy and scikit-learn. Solid SQL skills and experience... Permanent