16 of 16 Data Cleansing Jobs in the City of 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 Migration Specialist 3-Month Contract Remote (UK Based Only) Your new company A forward-thinking organisation is undertaking a major ERP transformation following the implementation of Unit4. As part of this programme, a key component is being separated into a new, customised client environment. This is a fantastic opportunity to join a dynamic team driving innovation … and efficiency in enterprise systems. Your new role As a Unit4 Data Migration Specialist, you will lead the end-to-end data migration process between ERP environments. You'll be responsible for planning, executing, validating, and documenting all aspects of the migration to ensure data integrity and project success. This includes … Unit4 data structures and interdependencies. Proficiency with Unit4 import/export tools and data validation techniques. Skills in data mapping, cleansing, and transformation. Excellent attention to detail and documentation skills. Experience supporting testing phases and resolving data-related issues. Desirable skills include: SQL proficiency and experience with More ❯

Data Migration Specialist 3-Month Contract Remote (UK Based Only) Outside IR35 ***Unit4 (Agresso) Experience Essential**** Your new company A forward-thinking organisation is undertaking a major ERP transformation following the implementation of Unit4. As part of this programme, a key component is being separated into a new, customised client environment. This is a fantastic opportunity to … join a dynamic team driving innovation and efficiency in enterprise systems. Your new role As a Unit4 Data Migration Specialist, you will lead the end-to-end data migration process between ERP environments. You'll be responsible for planning, executing, validating, and documenting all aspects of the migration to ensure data … Unit4 data structures and interdependencies. Proficiency with Unit4 import/export tools and data validation techniques. Skills in data mapping, cleansing, and transformation. Excellent attention to detail and documentation skills. Experience supporting testing phases and resolving data-related issues. Desirable skills include: SQL proficiency and experience with 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 ❯

Job Title: Software Engineer Job Duration: 3-Months Location: London, UK(3 days onsite) Description Looking for a data engineer/software engineer that would support data onboarding and filtering effort in a project on LLM agents for research. The engineer will onboard data and run filtering on text, image and … goal is to proactively mitigate potential risks associated with these datasets. Example tasks: Preprocessing: converting original datasets into a format that can be consumed by filtering pipelines. Filtering: Data cleaning, improvement and running filtering using Meta pipelines. Post-processing: consuming filtering results to filter videos/images in the original datasets, repackaging, and re-ingestion. Technical skills … Experience building and maintaining data pipelines, knowledge of data storage solutions; Data Management: Data preprocessing and cleaning, transformation and formatting, data quality control and validation Communication - effective communication skills to collaborate with stakeholders and team members Software engineering skills: Python, data pipelines. 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 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 ❯

Company Overview Excelly is a modern data consultancy helping startups and small businesses unlock value through data. We specialise in analytics, dashboard development, and automation to drive smarter decisions. Our team blends technical skill with business understanding to deliver results that matter. From Excel workflows to advanced BI tools, we help teams grow with confidence and clarity. … Role Summary We are seeking a motivated and detail-oriented Business Analyst Intern to join our London team. This internship offers hands-on experience in data analysis, business process improvement, and client-facing projects. You will work closely with our consultants to translate business needs into actionable insights, supporting our mission to help businesses make data-driven decisions. Key Responsibilities Gather, analyse, and document business requirements from clients and internal stakeholders. Assist in designing and developing dashboards and reports to communicate insights. Support data cleaning, transformation, and visualisation processes. Participate in client meetings to understand project goals and deliverables. Conduct market and competitor research to support strategic recommendations. Contribute to process improvement 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 ❯

business requirements into detailed build documentation. Configure Unit4 ERP in line with approved specifications and industry best practices. Provide expert consultancy on Unit4 ERP configuration and architecture. Support data migration, integration, IST/UAT testing, and post-Go-Live troubleshooting. Collaborate with Business Analysts and Solution Architects to ensure optimal solution design. Write test scripts and support … and configuration tools. Ability to translate business requirements into build specifications. Experience setting up chart of accounts, workflows, roles, and permissions in Unit4 ERP. Deep understanding of ERP data structures and module interdependencies. Proficiency in Unit4 import/export rules and APIs. Desirable Skills & Experience Experience in finance and procurement-centred projects. Familiarity with data … Procurement, Projects, Planner, and ideally HR modules. Experience managing end-to-end data migration processes within Unit4 ERP. Ability to perform data mapping, cleansing, and transformation. Experience supporting testing phases and resolving data-related issues. What you need to do now If you're interested in this role, click 'apply 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 ❯

Are you a Junior Machine Learning Engineer eager to turn messy, complex data into real-world intelligence? We’re looking for a curious and motivated Junior ML Engineer to join a hybrid-working team building cutting-edge data intelligence tools for the financial sector. You’ll spend part of your time collaborating in person … with engineers and data scientists, and part working remotely — giving you the best of both worlds. You’ll be working on a platform that transforms unstructured private market data into actionable insights — learning how to design ML pipelines, fine-tune NLP models, and deploy solutions that really work in production. In this role, you … ll help train, test, and optimise models that can read, understand, and structure complex documents at scale. From data preprocessing to model evaluation, you’ll gain hands-on experience across the machine learning lifecycle — while contributing to a product used by real-world clients. What’s in it for you? 📄 AI That Matters – Work on models that 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 ❯