16 of 16 Data Cleansing Jobs in the City of London

We are seeking an Analytical Data Engineer to join a leading Analytics as a Service (AaaS) provider, supporting clients across energy management, predictive maintenance, HR, and finance. You will transform complex data from multiple sources into actionable insights, creating user-friendly data models and dashboards that empower clients to explore their … data independently. This client-facing role blends data analyst and data engineer skills, including requirement gathering, stakeholder communication, and delivering robust data solutions. Hands-on experience with Power BI, Sisense, Quicksight, and AWS (Sagemaker Unified Studio preferred) is highly desirable. Offering a competitive salary, performance-based bonuses, and … years' experience in data modelling. Advanced level in application-based data modelling and ETL. Strong background in data analysis, cleansing, enrichment, metadata management, and data innovation. Proficiency in SQL and MySQL. Experience with business intelligence tools: Power BI, Sisense, Quicksight. Hands-on experience with ETL tools, ideally More ❯

Data Analyst/Business Analyst | Insurance | London (3 days/week in the office) | £350/day (Inside IR35) | Initial 6 month contract Our Insurance client is looking for a Data Analyst/Business Analyst with Power BI, Excel and SQL … knowledge and good Stakeholder Management skills. You'd be working on a project looking at data from a pre-processing techniques, to data cleansing, migration, building insightful Power BI dashboards - and translating business needs into actionable data requirements. You'll also be supporting the creation of data … initial 6 month contract. Key Skills & Experience: Data Analyst/Business Analyst Power BI ETL/Data Migration Jira Data Cleansing Creating Business Requirements Documents Stakeholder Management This work would be based in the London office 3 days/week and from home 2 days/week Initial contract is More ❯

Lead Analyst/Data Manager 📍 Farringdon (Hybrid, 2 days per week) 💰 £55,000–£60,000 (flex. to £65,000 for an excellent candidate) An organisation in the healthcare sector is looking for a … Lead Analyst/Data Manager to centralise and own their data strategy. Following significant investment in new systems and data cleansing, this is a newly created role where you’ll shape reporting, governance, and analytics from the ground up. ROLE AND RESPONSIBILITIES Own and centralise data management … data management Strong SQL and experience with Power BI (or other visualisation tools) Knowledge of data governance, GDPR, and data cleansing best practices Stakeholder engagement and commercial acumen Background in organisations like charity, membership, not-for-profit, or similar sectors is a plus Unfortunately, sponsorship is NOT available for this More ❯

Lead Analyst/Data Manager 📍 Farringdon (Hybrid, 2 days per week) 💰 £55,000–£60,000 (flex. to £65,000 for an excellent candidate) An organisation in the healthcare sector is looking for a … Lead Analyst/Data Manager to centralise and own their data strategy. Following significant investment in new systems and data cleansing, this is a newly created role where you’ll shape reporting, governance, and analytics from the ground up. ROLE AND RESPONSIBILITIES Own and centralise data management … data management Strong SQL and experience with Power BI (or other visualisation tools) Knowledge of data governance, GDPR, and data cleansing best practices Stakeholder engagement and commercial acumen Background in organisations like charity, membership, not-for-profit, or similar sectors is a plus Unfortunately, sponsorship is NOT available for this More ❯

The role This interim role will provide high-level technical and project support to the Asset Information team, focusing on improving data quality, supporting reporting and enabling better insights through advanced data tools. The postholder will lead and contribute to data related projects, working with large datasets, applying data governance principles and driving continuous improvement in asset data processes, particularly through the development and use of interactive dashboards. They will also support the delivery of key initiatives aligned to the business plan, helping to sustain BAU operations during a period of reduced team capacity. The location This role will be based at our … Power BI and Excel for data analysis and visualisation. Experience working with large datasets to generate meaningful insights. Familiarity with data quality profiling, cleansing and governance principles. Understanding of reporting requirements and database systems. Strong analytical mindset with the ability to spot trends and anomalies. Confident communicator, able to explain technical concepts to 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 ❯

extension Rate of Pay: Grade 7 – £20.83 per hour Hours: Monday – Friday 36 hours per week Make a Real Impact in Operational Services Are you passionate about using data to drive meaningful change? Do you want to play a key role in improving frontline services for the public? We're looking for a talented and motivated Senior … Performance and Improvement Officer to join our team and help transform how performance, data, and business intelligence support service delivery.This is a fantastic opportunity to lead the deployment of Power BI , improve data quality, and support business-critical decision-making across our high-profile, complex Operational Services division. What You’ll Be Doing As … that drive action. Essential Skills & Experience: Proven expertise in Power BI , including dashboard creation, DAX, and data modelling. Strong knowledge of data profiling, cleansing, and validation techniques. Familiarity with data governance frameworks and best practice. Experience integrating multiple data sources to create cohesive reporting tools. Ability to More ❯

Data Scientist Salary: £55-70k plus attractive bonus on top Location: London or Leeds (hybrid working, if preferred) About us We have an exciting opportunity for a Data Scientist to join our rapidly growing Sports Forecasting & Analytics company. Purpose of the role As a Data Scientist within the Modelling & Data … ensure our forecasts remain accurate, low-latency, and aligned with client demands. You will be expected to use your programming, analytical, and mathematical skills to extract insights from data, build high-performance modelling pipelines, and help improve modelling practices across the business. This role is ideal for someone with a strong foundation in data … forecasting and pricing across various markets. Extract actionable insights from large-scale sports datasets using sound mathematical and statistical principles. Translate modelling requirements and business objectives into effective data science solutions, working closely with the Delivery Manager and Engineering teammates (Software and Data Engineers) within your modelling team. Perform data cleaning More ❯

Data Scientist Salary: £55-70k plus attractive bonus on top Location: London or Leeds (hybrid working, if preferred) About us We have an exciting opportunity for a Data Scientist to join our rapidly growing Sports Forecasting & Analytics company. Purpose of the role As a Data Scientist within the Modelling & Data … ensure our forecasts remain accurate, low-latency, and aligned with client demands. You will be expected to use your programming, analytical, and mathematical skills to extract insights from data, build high-performance modelling pipelines, and help improve modelling practices across the business. This role is ideal for someone with a strong foundation in data … forecasting and pricing across various markets. Extract actionable insights from large-scale sports datasets using sound mathematical and statistical principles. Translate modelling requirements and business objectives into effective data science solutions, working closely with the Delivery Manager and Engineering teammates (Software and Data Engineers) within your modelling team. Perform data cleaning More ❯

Junior Data Scientist – Master’s Graduate Role Location: London (Hybrid) Salary: £40,000 – £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 ❯

Junior Data Scientist – Master’s Graduate Role Location: London (Hybrid) Salary: £40,000 – £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 ❯

is a fantastic opportunity to gain hands-on Salesforce and CRM experience working within a high-functioning team. Within this role you’ll support their CRM team with data management, system administration, reporting and day-to-day user support. In return, you’ll receive the training, exposure and encouragement to grow your skills and take on more … responsibility over time. This role would ideally suit a recent university or college leaver or someone looking to move into a tech/data focused role. Please note, this role is initially full-time office based with the potential to move to hybrid working after training. This is a temporary … role for 3 months with the potential to extend. What you’ll be doing Maintaining high-quality data in Salesforce through data entry, cleansing, and validation. Supporting large-scale data management projects across client and prospect records. Providing administrative support to the CRM team, including documentation and process tracking. Creating More ❯

About the Opportunity: We are seeking a Data Scientist with 4+ years of experience to lead the Data Science team for a fast-growing technology company. You’ll work on large, complex datasets to uncover behavioural patterns, build predictive models, and drive data-led strategies that directly influence product and business … decisions. What You’ll Be Doing: Designing and deploying predictive models, machine learning solutions, and advanced statistical analyses Executing end-to-end data science workflows: from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and ML techniques to identify insights from millions of behavioural data points Working closely … to translate findings into actionable outcomes Measuring and improving platform and product performance through experimentation and analytics What We’re Looking For: 4+ years of experience in a Data Scientist or applied analytics role Proficiency in SQL and strong programming skills (Python, R, or similar) Hands-on experience with machine learning, predictive modelling, regression, hypothesis testing, and More ❯

About the Opportunity: We are seeking a Data Scientist with 4+ years of experience to lead the Data Science team for a fast-growing technology company. You’ll work on large, complex datasets to uncover behavioural patterns, build predictive models, and drive data-led strategies that directly influence product and business … decisions. What You’ll Be Doing: Designing and deploying predictive models, machine learning solutions, and advanced statistical analyses Executing end-to-end data science workflows: from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and ML techniques to identify insights from millions of behavioural data points Working closely … to translate findings into actionable outcomes Measuring and improving platform and product performance through experimentation and analytics What We’re Looking For: 4+ years of experience in a Data Scientist or applied analytics role Proficiency in SQL and strong programming skills (Python, R, or similar) Hands-on experience with machine learning, predictive modelling, regression, hypothesis testing, and More ❯

the timely and successful delivery of project milestones with a focus on integration tasks, including system specification, documentation, process flows, validation of system build, data extraction, cleansing and migration, interface specification and testing, training, UAT, and cutover reconciliation. Apply project management tools and techniques to support on-time delivery. Develop project scopes and objectives involving relevant 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 ❯