51 to 75 of 125 Data Cleansing Jobs in London

Data Engineer

Location
Greater London, England, United Kingdom
London, United Kingdom | Posted on 04/03/2026 We provide end-to-end IT solutions and services including Applications services, Data & Analytics services, AI/ML Technologies and Professional services in the UK and EU market. Job Description We are looking to hire Data … core focus of this role is to build secure, repeatable data ingestion and transformation pipelines, to implement data cleansing rules, and to produce auditable, reproducible outputs. Capability in data transformation-heavy pipelines from data-profiling to cleansing ...

Data Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Hourly
Data Engineer Location: Fully remote but rare, occasional need in Leeds Rate: 500/day, Inside IR35 Duration: Until May 2027 Overview We're looking for a Data Engineer to design and implement data extraction, transformation and aggregation pipelines to support … Extract data from DynamoDB, CloudWatch and other AWS data sources Design and implement data transformation, cleansing and aggregation processes Develop efficient and reusable data pipelines using appropriate AWS services Create curated datasets and data ...

Data Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£500/hour
Data Engineer Location: Fully remote but rare, occasional need in Leeds Rate: £500/day, Inside IR35 Duration: Until May 2027 Overview We're looking for a Data Engineer to design and implement data extraction, transformation and aggregation pipelines to support … Extract data from DynamoDB, CloudWatch and other AWS data sources Design and implement data transformation, cleansing and aggregation processes Develop efficient and reusable data pipelines using appropriate AWS services Create curated datasets and data ...

Data Administrator

Hiring Organisation
Huntress
Location
City of London, London, United Kingdom
Employment Type
Temporary
Salary
£15.00 - £15.66/hour
closely with their CRM and marketing team on a temporary basis. The role: Update marketing and event invitation lists through data cleansing CRM record enhancement to improve data quality and reporting accuracy Support marketing and business development teams with ad hoc CRM, data … records and external sources to improve data integrity and consistency Ideal candidate will have: CRM database management - experience updating, maintaining and cleansing records Data accuracy & attention to detail Ability to identify duplicates, outdated information and inconsistencies Online research skills - confident using LinkedIn, company ...

Data Administrator

Hiring Organisation
Huntress
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£15.00 - £15.66 per hour
closely with their CRM and marketing team on a temporary basis. The role: Update marketing and event invitation lists through data cleansing CRM record enhancement to improve data quality and reporting accuracy Support marketing and business development teams with ad hoc CRM, data … records and external sources to improve data integrity and consistency Ideal candidate will have: CRM database management - experience updating, maintaining and cleansing records Data accuracy & attention to detail Ability to identify duplicates, outdated information and inconsistencies Online research skills - confident using LinkedIn, company ...

Data Migration Analyst

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
Data Migration AnalystQuant Capital is urgently looking for a Data Migration Analyst to join our high profile client.Our client is a current member of the fintech50 and proud to be known as best in disruptive wealth management technology. It is a truly cutting edge … accountsWork with the On-boarding Team to ensure data migration requirements are fully captured and understood, helping with the cleansing of client data when requiredWork with Account Management Team keeping them abreast of new acquisitionsLiaise with Service Delivery to ensure all scripts used ...

Senior Business Intelligence Engineer

Location
Greater London, England, United Kingdom
ideal candidate will possess strong business intelligence (BI) engineering skills, complemented by a robust technical background and a solid understanding of basic data engineering practices. Proficiency in data structures, Python data tools, query languages, and Tableau will be highly beneficial … Develop, standardize, and maintain product reports and dashboards to monitor the performance of connected store network operations, including media and sales performance reports. Data Management: Establish and maintain appropriate ETL (Extract, Transform, Load) processes to integrate data from various internal and external sources. Ensure ...

Senior BA – Supplier Data Cleansing (Hybrid London)

Location
Greater London, England, United Kingdom
Vantage Point Global seeks an experienced Business Analyst to lead supplier master data cleansing in a major insurance transformation. You will drive data remediation, governance and quality across multiple stakeholders, ensuring readiness for migration milestones. The role requires strong analytical capability, delivery focus ...

Data Administrator

Hiring Organisation
Reed
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£20.00 - £23.00 per hour, Inc benefits
Data and Admissions Officer Location: East London Primary School Hours: Full time Monday to Friday 9-5 or 8.30-4.30 Term-Time Only Line Manager: School Business Manager We are seeking a Data and Admissions Officer to serve as the technical lead … database administrator for Arbor, ensuring the system is optimized, secure, and user permissions are correctly maintained. Lead the preparation, data cleansing, error reconciliation, and formal submission of the School Census three times per academic year to secure core school funding and Pupil Premium allocations. Systematically input ...

Sap Data Migration & Bods Solution Architect

Location
Greater London, England, United Kingdom
Title :SAP Data Migration & BODS Solution Architect Job Location : London, UK/Hybrid 3 days office Job Type: FTE Key Responsibilities Lead end-to-end SAP data migration and upgrade project lifecycles across multiple concurrent client engagements. Architect and deliver ETL solutions using … migration scenarios. Lead GAP analysis workshops to identify and resolve missing or conflicting data requirements. Oversee data profiling, cleansing, and quality assurance activities using SAP Information Steward including scorecard creation and GDPR-aligned rules. Design and develop preload readiness and post-load validation ...

Paid Search Executive

Location
Greater London, England, United Kingdom
work we do with our clients and to how we engage with our people. We’re a modern global agency bringing together media, data, technology and talent to make brands perform. Our business is purpose driven. In March 2022, we were named Ad Age’s first ever … award-winning global community of digitally led experts, home to 1,500 talented people across 25 offices globally. Together we create unique data, technology and media solutions that enable faster and smarter problem solving within an inspired, collaborative workplace. Assembly is poised for its next chapter ...

Insights Manager- Jockey Club Experiences

Location
London, United Kingdom
looking for... This position will be supporting E15 Insights, part of Levy UK & Ireland, a division of Compass Group. E15 Insights uses data, analytics, and deep insights to drive business strategy, innovation, and decision-making. Across Levy UK&I, E15 Insights creates value through elevating operational delivery … with operations, finance, HR, and any other relevant teams. Design and develop the right data ingestion and data cleansing processes to inform and drive insights reporting tools for both external and internal users. Own the end-to-end process that generates automated reporting ...

Senior Data Engineer II - Scalable Growth

Hiring Organisation
Wise
Location
London, United Kingdom
Salary
£ 80 K
world's money.For everyone, everywhere.More about our mission and what we offer.Job DescriptionAbout the roleWe’re looking for a seasoned, senior Data Engineer with a strong software engineering background to join our Scalable Growth team within the Global Product Tribe.In this role, you’ll report directly … Platform (CDP) datasets.Bridge Engineering & Analytics: Partner with analytics leads to define clear boundaries and standards for data ingestion, cleansing, and transformation—bringing a strong analytics engineering mindset (specifically via dbt) to raw data landing.Own MarTech Infrastructure: Work alongside Engineering Leads ...

Quantitative Researcher (ML)

Location
Greater London, England, United Kingdom
energy trading company generating liquidity across global commodities markets. We combine deep trading expertise with proprietary technology and the power of data science to be the best-in-class. Our understanding of volatile, data-intensive markets is a key part of our edge. … functions from existing ML packages. Experience with production data processing. That includes data manipulation, data cleansing, aggregation, efficient (pre-)processing, etc. Experience with time-series data, including storage and management. A strong understanding through the usage ...

Data Scientist, AI Agents

Location
Greater London, England, United Kingdom
company Arctal builds structured datasets from unstructured financial documents—100,000+ PDFs (fund reports, regulatory filings, investor letters) turned into clean, queryable data that institutional buyers use for decision‐making. AI agents do the reading. We build the agents. Team of 5, output of 50. A dataset … extraction and structuring—they cannot be the ones standing behind it. That's your job. Our customers are asset managers, banks, and financial data firms who need reliable data extracted from documents that were never meant to be machine‐readable. The role ...

Senior AI Architect| London

Hiring Organisation
Infosys Technologies
Location
London, United Kingdom
Salary
£ 70 K
DescriptionRole – AI Evangelist (Senior Technology Architect) Technology – AI/ML/Gen AI, Data Science, Poly Cloud – Azure, AWS, GCP Location – London – UKBusiness Unit – TOPAZDLVRYCompensation – Competitive (including bonus)Job Summary: We are seeking a highly skilled and experienced Senior Architect/Consultants to lead our Generative … data engineering practices, data pipelines, and data management. Proficiency in data preprocessing, cleansing, and transformation for effective model training.• AI Governance, Security & Responsible AI: Familiarity with AI governance, safety, and compliance considerations—data privacy ...

Data Engineer

Hiring Organisation
AMS CWS
Location
London, United Kingdom
Employment Type
Contract
ever-evolving world by building, shaping, and optimizing diverse talent strategies. AMS is supporting a leading global consulting firm in hiring an experienced Data Engineer for an initial 12-month contract. (Offices in London/Birmingham/Bristol) Responsibilities Develop and maintain reliable data … transform, and load data from multiple sources into databases and data warehouses. Perform data validation, cleansing, and quality checks to ensure accurate and reliable data. Troubleshoot data issues and resolve pipeline failures efficiently. Collaborate with technical ...

Data Administrator

Hiring Organisation
Reed
Location
Kingston Upon Thames, Surrey, United Kingdom
Employment Type
Full-Time
Salary
£13.00 - £15.00 per hour, Inc benefits
Data Entry & CRM Administrator (Temporary) Location: Kingston upon Thames Job Type: Temporary (4 months initially) Hours: Tuesday - Thursday, 09:00–18:00 Join our client's team for a temporary role focused on maintaining and enhancing the quality of data within our CRM system. … Ability to work independently in an office environment and manage tasks without close supervision. Desirable Skills: Previous experience with CRM data cleansing or list building. Familiarity with tools like Lusha, ZoomInfo, Apollo, LinkedIn Sales Navigator, or similar enrichment tools. Benefits: Opportunity to work in a dynamic ...

Junior HRIS Analyst - London

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£33000/annum pension
SuccessFactors , alongside working with Workday . You'll help maintain accurate employee data, carry out data validation and cleansing, support reports and dashboards, and assist with system updates and testing. You'll also work with HR colleagues and other stakeholders to resolve system … doing Maintaining accurate employee data across Workday and SAP SuccessFactors Carrying out data entry, validation, checking and cleansing Supporting standard and ad hoc HR reports, dashboards and data analysis Assisting with system updates, testing and enhancements Supporting SAP SuccessFactors updates ...

Data Steward: Asset Data Quality & Migration Lead

Location
Greater London, England, United Kingdom
Consultancy seeks a Data Steward to assure quality, governance, and readiness of asset and maintenance data during migrating IBM Maximo to the cloud. You will collaborate with business stakeholders … migration teams, and Oracle specialists to prepare data for migration and ongoing governance. The role focuses on data cleansing, standards enforcement, de-duplication, and robust governance documentation, with involvement in validation, rehearsals, and cutover activities. #J-18808-Ljbffr ...

Senior Manager, Migration Workstream Lead/Project Manager – Investment Management & Wealth, Operations Industry & Domain Solutions, Technology & Transformation

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
> £ 150 K
technology-enabled transformation programmes with overall responsibility for the migration workstream.Support clients throughout the whole project lifecycle activities across discovery, migration strategy definition, data analysis, solution design and build, end-to-end testing, integrations and change and go-live.Advise clients with respect to data … from source systems and support the client in establishing the appropriate controls.Define best practice with relation to data cleansing and operationalize the cleansing process where required.Engage with the migration or UAT test team as part of test strategy definition and delivery.Develop ...

HR Specialist, Global Risk Intelligence

Hiring Organisation
Amazon
Location
London, United Kingdom
Salary
£ 80 K
experience and Talent (“PXT”) organization. As a member of the PXT org, WFS (P&A) removes business complexity and mitigates staffing risk through data, insights, and science models. (P&A) helps build capabilities, defined as products, programs, reporting, and models, that generate insights to optimize staffing performance … degree- Knowledge of Excel at an intermediate level (e.g., pivot tables & charts, multiple criteria lookups, nested logical/IF formulas, data cleansing, array formulas, etc.)- Experience defining program requirements and using data and metrics to determine improvements- Speak, write, and read fluently ...

Senior Consultant - Clinical Data Programming

Location
Greater London, England, United Kingdom
transforming the life sciences industry, committed to making a positive impact on its customers, employees, and communities. The Role Veeva's Vault Clinical Data Management System (CDMS) is changing how life sciences companies manage clinical trial data, bringing EDC, coding, and Veeva Data … Veeva best practices Lead database development activities per the project plan, coordinating with sponsor, CRO, and other vendor teams Coordinate with clinical data providers (central labs, ECG, eCOA, IRT, etc.) to configure data transfers Configure forms, rules, and other study items in Vault CDMS ...

Associate Director – SPIVA Analytics Lead, Index Investment Strategy

Hiring Organisation
S&P Global
Location
London, United Kingdom
Salary
£ 80 K
Jones Indices’ Index Investment Strategy team, a global research group with a strong external market presence and responsibility for high-profile, data-led investment research. The role is focused on the SPIVA Scorecards and related analytics, which are widely recognised benchmarks for evaluating active versus passive investment … flagship research franchises. You will help strengthen the quality, scalability, and usability of the SPIVA platform by improving how data is sourced, validated, analysed, and delivered. As a Grade 12 Associate Director, you will be expected to operate with autonomy, take accountability for sustainable analytical systems rather ...

Manager, Oracle Project Manager, Oracle Delivery Services, Technology & Transformation

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 80 K
implementation programmes Proven track record in leading and delivering a team in at least one of the workstreams within Oracle Transformation Programme including Data Migration, Testing and Project ManagementExperience leading and developing a team of peopleClients facing experience with a demonstrated ability to appropriately engage with stakeholders … skills that include awareness of how data flows between modules, understanding the intricacies of the underlying database, data cleansing, extract transform load (ETL), validation, testing and reconciliation.Testing and Test Management skills that include knowledge to understand the processes and data ...