12 of 12 Permanent Data Cleansing Jobs in Central London

Overview A high-growth, private equity-backed services organisation is seeking a seasoned Data Specialist to oversee a critical data migration and cleansing programme. Following the recent acquisition of three businesses, the company is embarking on a greenfield NetSuite implementation to unify operations and drive scalability. Key Responsibilities Lead the end-to-end … data migration process from multiple legacy systems into NetSuite. Develop and execute a robust data cleansing strategy to ensure accuracy, consistency, and completeness across all acquired entities. Define data mapping, transformation, and validation rules in collaboration with internal stakeholders and external implementation partners. Ensure data integrity and … compliance throughout the migration lifecycle. Manage project timelines, risks, and quality assurance processes related to data migration. Act as the subject matter expert on NetSuite data structures, modules, and best practices. Support post-migration reconciliation and issue resolution. Candidate Profile Demonstrable experience leading complex data migration projects into NetSuite, ideally within More ❯

Overview A high-growth, private equity-backed services organisation is seeking a seasoned Data Migration Lead to oversee a critical data migration and cleansing programme. Following the recent acquisition of three businesses, the company is embarking on a greenfield NetSuite implementation to unify operations and drive scalability. Key Responsibilities Lead the end-to … end data migration process from multiple legacy systems into NetSuite. Develop and execute a robust data cleansing strategy to ensure accuracy, consistency, and completeness across all acquired entities. Define data mapping, transformation, and validation rules in collaboration with internal stakeholders and external implementation partners. Ensure data integrity … and compliance throughout the migration lifecycle. Manage project timelines, risks, and quality assurance processes related to data migration. Act as the subject matter expert on NetSuite data structures, modules, and best practices. Support post-migration reconciliation and issue resolution. Candidate Profile Demonstrable experience leading complex data migration projects into NetSuite, ideally More ❯

Data Management Lead London Summary The Data Management Lead (DML) in pharmaceuticals Sciences is responsible for overseeing all data management activities throughout the lifecycle of clinical trials, ensuring the delivery of high-quality, reliable, and compliant clinical data. This role involves leading data strategy development, managing timelines and … deliverables. The DML ensures data collection tools, data cleaning processes, and database lock procedures are aligned with regulatory requirements (e.g. GCP, CDISC standards) and project goals. They also manage vendors and internal data teams, driving efficiency, accuracy, and innovation in clinical data handling. Key Accountabilities: Lead the development … and execution of data management strategies across clinical trials to ensure timely and accurate data delivery. Oversee the design, setup, and validation of clinical databases and eCRFs in alignment with study protocols and regulatory standards. Ensure all data management activities comply with GCP, internal SOPs, and industry regulations, including CDISC standards. More ❯

Data Scientist - Property London – Hybrid Up to £65,000 About the Role A leading London-based data and technology company in the property space is looking for a Data Scientist to join their growing product-focused team. This is an exciting opportunity to work as a full stack/end to … end Data Scientist, driving real business impact. You’ll collaborate closely with stakeholders to build and deploy ML models and data-driven tools that are core to the company’s commercial offerings. Key Responsibilities Identify and scope opportunities where machine learning and data science can enhance product offerings. Design and run … experiments to test hypotheses and support product development. Develop robust data pipelines to support science experimentation and production. Deploy, maintain, and monitor predictive models in live environments. Communicate findings and technical concepts clearly to both technical and non-technical audiences. Contribute to agile delivery workflows and cross-functional collaboration. What We’re Looking For Solid understanding of More ❯

Senior Data Scientist - Consumer Behaviour – exciting ‘scale up’ proposition London office hybrid 3 days per week Salary negotiable dep on experience to £90,000 + stock options Job Reference J12960 Please note this client is unable to offer sponsorship so please ensure you have full UK working rights. Measure Protocol are looking for a smart, creative and … dynamic Senior Data Scientist to help shape and mould their approach and products to build the best-in-class consumer data company. At Measure Protocol, they believe in building a team of true owners. That’s why they offer stock options to all employees as part of their compensation package, so you share in … real opportunity to participate in the upside of something meaningful from the ground up . About Measure Measure is building the world’s first ethical and transparent human data marketplace. The world we live in is awash in data: what we watch and wear, who we know, what we do, and how we live More ❯

Data Analyst (SQL, PySpark, Python) London - Hybrid (2 Days Onsite) Inside IR35 - Daily Rate Our client is seeking an experienced Data Analyst to support a key client engagement within their professional services division. This is an initial … year contract based in London , operating on a hybrid basis (2 days onsite per week) and falling inside IR35 . Key Responsibilities: Independently manage data extraction, cleansing, and transformation activities Develop production-grade analytics code using SQL, PySpark, and Python Analyze large-scale datasets to generate actionable insights and visualizations Collaborate across technical and business teams … to drive data-driven decision making Required Experience: 3–5 years' hands-on experience in data analysis, insight generation, and data visualization Proven expertise in SQL and PySpark , with solid working knowledge of Python Background working with big data platforms , large datasets, and pipelines Strong analytical thinking and More ❯

DATA SCIENTIST – MARKET RESEARCH & POLITICAL INSIGHT UP TO £65,000 LONDON (HYBRID) Are you a creative Data Scientist who thrives at the intersection of analytics, consultancy, and politics? This is a rare opportunity to join a nimble agency working on some of the most fascinating and impactful political and reputational challenges in the UK … election models to government strategy and corporate reputation. This is a foundational hire, with clear runway to grow into a leadership position and shape the future of the data function. THE ROLE: As a Data Scientist in this high-impact team, you’ll: Lead on statistical modelling across a range of quant-led market … with client teams – from UK Government departments and political parties to hedge funds and corporates – to deliver clear, story-led insights. Get hands-on with messy primary quant data (surveys, census data, polling), cleaning, shaping, and analysing to uncover powerful trends and stories. Act as a methodological pioneer – pushing boundaries, thinking creatively, and finding More ❯

Junior Data Scientist – Master’s Graduate Role Location: London (Hybrid) Salary: £35,000 – £45,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior Data Scientist to join a fast-growing, forward-thinking team working at the forefront of data science … apply their academic expertise to solving real-world challenges—whether it’s predicting customer behaviour, optimising operations, or identifying patterns in complex datasets. You’ll collaborate with experienced data scientists, machine learning engineers, and subject-matter experts to design, develop, and deploy models that deliver meaningful impact across a variety of industries. What You’ll Be Doing … Designing and building machine learning models to solve real-world problems Carrying out full data science workflows: from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and AI techniques to generate actionable insights Contributing to experimental research, model prototyping, and A/B testing Presenting findings clearly to both technical and More ❯

security across systems What We’re Looking For 5+ years in technical/operations roles with deep knowledge of CRMs, workflow tools, and Microsoft 365 Strong experience in data cleaning, system configuration, and process mapping Proven success leading tool rollouts from discovery to adoption Hands-on, proactive problem-solver comfortable in a fast-paced scale-up environment More ❯

include: Leading the design, implementation, and analysis of A/B tests to assess product performance and enhance customer experiences Using SQL to extract, analyse, and visualise product data, delivering actionable insights that support decision-making Collaborating closely with Product, Engineering, and Marketing teams to define KPIs and success metrics Building and maintaining dashboards and reporting tools … product analytics role, with deep expertise in A/B testing and experimentation Advanced SQL skills and a strong ability to query and manipulate complex datasets Familiarity with data visualisation tools such as Tableau or Power BI Proven experience working with large datasets, including data cleaning and validation Excellent communication skills, with the ability More ❯

operational workforce of c1,100 employees Lead the governance and optimisation of the HR system, currently used across various regions, ensuring accuracy, compliance, and global consistency. Drive smarter, data-led HR practices,bringing dashboards, insights, and automation to the forefront. Be a trusted partner to senior leaders across People, Finance, and Operations. Provide training and support to … Management - additional duties will include: Lead the configuration, maintenance, updates, as well as annual holidays and optimisation of the HRIS platform (Dayforce) Ensure data integrity, security, cleansing and compliance across payroll, benefits, and HR systems Collaborate with Finance, HR, and external vendors to simplify and streamline processes and resolve any issues Own the relationships with Dayforce More ❯

Associate Consultant – Analytics • £80,000–£100,000 base + bonus • London based Our client is growing fast, creating exciting opportunities for smart, data-driven minds to shape strategic decisions at the highest level. You'll join a respected, globally active strategy firm working with blue-chip organisations across retail, tech, media and more, always with a tailored … will work directly with clients to deliver actionable insight across a rich mix of business challenges. You’ll contribute to strategic projects by gathering, transforming, and modelling complex data, and help to visualise and communicate results in a way that lands with senior stakeholders. Role Highlights: Conduct complex data cleaning, modelling and analysis to … inform high-impact business decisions Combine multiple data sources to create meaningful insight for diverse client projects Apply machine learning methods (e.g. segmentation, behaviour prediction, optimisation) Translate complex quantitative findings into compelling presentations for non-technical audiences Collaborate closely with consultants and partners on fast-paced strategic work You Will Need: 3-5 years experience in analytics More ❯