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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Scientist - Inside IR35 - **Company:** Salt Search Ltd. - **Location:** London, UK - **Experience:** Expert - **Salary:** £126,100.0 - **Contract:** Temporary contract - **Skills:** A/B Testing, Python (Programming Language), Machine Learning, Recommender Systems, Standard Sql, Information Technology, Data Analytics, Codebase, Data Pipelines - **Published:** August 10, 2026 - **Apply:** https://www.careerboard.com/pt/en/find-jobs-in-United-Kingdom/-7605CA2312BB324090/ ## About the Role * 5+ years' experience across Data Science and Analytics, including experience running production models and BAU analytics. * Strong experience taking ownership of existing BAU processes and delivering with minimal supervision. * Strong SQL and Python or R skills. * Comfortable working with existing codebases, data pipelines and production environments. * Hands-on experience maintaining production ML models, including refreshing, retraining, monitoring and troubleshooting models. * Strong understanding of model performance monitoring, model drift and data quality. * Excellent written and verbal communication skills. * Degree or advanced qualification in a quantitative discipline such as Computer Science, Mathematics, Statistics, Physics or a similar subject, or equivalent professional experience. * Background within technology, financial services or a data-driven organisation. Desirable Experience * Experience using AI tools such as Claude Code, OpenAI or similar to automate day-to-day workflows. * Understanding of agentic AI workflows. * Previous contract or consulting experience delivering BAU projects against fixed deadlines. * Experience working cross-functionally with Product, Marketing, Business Development, Compliance, Engineering and Customer/Member Support teams. * Experience working within regulated environments and supporting regulatory reporting. ## Description We are looking for an experienced, hands-on Senior Data Scientist to join a high-profile technology organisation on an initial 6-month contract. This is a high-autonomy role focused on running existing business-as-usual analytics and data science across international markets, with responsibility for revenue visibility, regulatory reporting, data quality and maintaining a suite of production ML models. The successful candidate will be comfortable taking ownership of existing processes and systems, working independently and delivering against tight deadlines with minimal hands-on support., * Monitor revenue performance across international markets and investigate anomalies, providing early visibility of revenue movements. * Support partner monitoring and escalations, including offer setup, recommender administration, click-report issues and partner ranking changes. * Monitor email campaign performance, investigating anomalies, send failures, re-targeting opportunities and churn drivers. * Support experimentation and A/B testing, including experiment monitoring, analysis and promotion decisions. * Maintain data quality by investigating pipeline failures, tracking gaps and partner feed issues. * Support data requests, customer/member queries and regulatory reporting, including DSAR/RTBF requests, complaint data and FCA regulatory returns. * Monitor marketplace rankings and provide analytics support against tight, sometimes same-day deadlines. * Represent analytics in business reviews and stakeholder meetings, translating technical findings into clear business recommendations. Data Science * Maintain and support an existing suite of production ML models, including scheduled refreshes, retraining and redeployment. * Monitor model performance and drift, identifying and escalating issues where models require attention. * Maintain data quality across model inputs and pipelines, troubleshooting feed and pipeline issues. * Support partner ranking changes and credit-model compliance requirements. * Ensure models, pipelines and reporting are fully documented and handed over to the permanent team at the end of the engagement., This is an excellent opportunity for a Senior Data Scientist who enjoys hands-on ownership rather than purely project-based data science. You will take responsibility for keeping critical analytics, reporting and production models running across an international business while working closely with senior stakeholders. ## Related Videos - [How building an industry DBMS differs from building a research one](https://www.wearedevelopers.com/videos/768-how-building-an-industry-dbms-differs-from-building-a-research-one) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Getting to Know Your Legacy (System) with AI-Driven Software Archeology](https://www.wearedevelopers.com/videos/1437-getting-to-know-your-legacy-system-with-ai-driven-software-archeology) - [Bringing the power of AI to your application.](https://www.wearedevelopers.com/videos/1010-bringing-the-power-of-ai-to-your-application) - [Empowering Retail Through Applied Machine Learning](https://www.wearedevelopers.com/videos/976-empowering-retail-through-applied-machine-learning) - [Why your codebase lies to AI?](https://www.wearedevelopers.com/videos/100281-why-your-codebase-lies-to-ai) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk)