1 to 25 of 29 Permanent Data Cleansing Jobs in the City of London

of this document, please get in touch with at UKI.recruitment@tcs.com or call TCS London Office number 02031552100 with the subject line: “ Application Support Request” Role: Senior GCP Data Engineer. Job Type: Permanent Location: London, UK (Hybrid - 2 days WFO) Number of hours: 40 hours per week – full time We have an exciting opportunity for you as … a GCP Data Engineer. Careers at TCS: It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and … from various sources and load it into Google Cloud environments. Data Transformation: Implement data transformation processes, including data cleansing, normalization, and aggregation, to ensure data quality and consistency. Data Modeling: Develop and maintain data models and schemas to support More ❯

of this document, please get in touch with at UKI.recruitment@tcs.com or call TCS London Office number 02031552100 with the subject line: “ Application Support Request” Role: Senior GCP Data Engineer. Job Type: Permanent Location: London, UK (Hybrid - 2 days WFO) Number of hours: 40 hours per week – full time We have an exciting opportunity for you as … a GCP Data Engineer. Careers at TCS: It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and … from various sources and load it into Google Cloud environments. Data Transformation: Implement data transformation processes, including data cleansing, normalization, and aggregation, to ensure data quality and consistency. Data Modeling: Develop and maintain data models and schemas to support More ❯

Are you an experienced Data Analyst looking for your next opportunity in the insurance sector? **Insurance industry experience is essential** In this role, you’ll be involved in onboarding new insurance programs, enhancing data integration, and delivering impactful insights through advanced reporting tools. This is a fantastic opportunity to work in a high-performing … collaborative team environment with the flexibility of a hybrid working model in Central London. Key Responsibilities: Design and implement ETL pipelines for data lakes, data warehouses, ODS, and data marts Collaborate with business and technical teams to onboard new insurance programs Cleanse, profile, and validate large data sets … across data integration architectures Strong expertise in SQL, Azure Data Factory, JSON, XML, and Dataflows Proven experience with data profiling, cleansing, and validation Excellent communication and organisational skills What’s on Offer: Competitive salary Hybrid working (a few days a week in Central London) Exciting opportunity to be part of More ❯

Are you an experienced Data Analyst looking for your next opportunity in the insurance sector? **Insurance industry experience is essential** In this role, you’ll be involved in onboarding new insurance programs, enhancing data integration, and delivering impactful insights through advanced reporting tools. This is a fantastic opportunity to work in a high-performing … collaborative team environment with the flexibility of a hybrid working model in Central London. Key Responsibilities: Design and implement ETL pipelines for data lakes, data warehouses, ODS, and data marts Collaborate with business and technical teams to onboard new insurance programs Cleanse, profile, and validate large data sets … across data integration architectures Strong expertise in SQL, Azure Data Factory, JSON, XML, and Dataflows Proven experience with data profiling, cleansing, and validation Excellent communication and organisational skills What’s on Offer: Competitive salary Hybrid working (a few days a week in Central London) Exciting opportunity to be part of More ❯

in providing impactful technical solutions to our clients. Your focus will be on the technical aspects of the implementation of Oracle Fusion HCM modules including reports, integrations and Data migration. You'll need a deep understanding across various Oracle HCM Cloud modules Core HR, recruitment, Learning, Talent Management, UK Payroll, Pension, OTL and Absence, backed by practical … experience in the UK public sector. You'll also lead client engagements, discussing integrations, data migrations, and reporting across relevant modules. A key part of your role is translating complex Functional and technical solutions into clear insights for diverse audiences, from technical teams to senior management. You'll guide projects through the Software Development Life Cycle (SDLC … to manage data flowing into and out of the system. Leading the technical aspects of data migration, including extraction, data cleansing, transformation, and loading using HDL. You'd be responsible for ensuring data integrity and accuracy during the migration process. Translating the security model designed by the More ❯

in providing impactful technical solutions to our clients. Your focus will be on the technical aspects of the implementation of Oracle Fusion HCM modules including reports, integrations and Data migration. You'll need a deep understanding across various Oracle HCM Cloud modules Core HR, recruitment, Learning, Talent Management, UK Payroll, Pension, OTL and Absence, backed by practical … experience in the UK public sector. You'll also lead client engagements, discussing integrations, data migrations, and reporting across relevant modules. A key part of your role is translating complex Functional and technical solutions into clear insights for diverse audiences, from technical teams to senior management. You'll guide projects through the Software Development Life Cycle (SDLC … to manage data flowing into and out of the system. Leading the technical aspects of data migration, including extraction, data cleansing, transformation, and loading using HDL. You'd be responsible for ensuring data integrity and accuracy during the migration process. Translating the security model designed by the More ❯

Workday Data Migration Analyst required to join a global financial services client. This is a contract opportunity, offering an excellent rate and an immediate start date This opportunity will be based in their Central London office with an ideal commute from several areas outside of London including Hertfordshire, Buckinghamshire, Bedfordshire, Cambridgeshire, Oxfordshire, Essex, Surrey or Kent. You … will be hands on with Analysis, preparation, transformation testing & troubleshooting between different platforms. Required skills & responsibilities Workday data migration … experience on mid-large scale programmes Hands on involvement in end to end testing of migrated data Must be able to execute data cleansing and transformation tasks to prepare data for loading Stakeholder management required across HR Tech & external teams Experienced in Data cut over activity Experience More ❯

My client is a fast-growth, hospitality business currently looking for a Data Analyst to support on an upcoming project. The idea … candidate will have experience managing large data sets and will have strong excel experience. Day rate: circa £400 - £500 (outside IR35) Responsibilities: Data cleansing Analysing large incomplete data sets Creating dashboards and visualisations Gathering client data and responding to queries Requirements: Experience in a bid/commercial More ❯

My client is a fast-growth, hospitality business currently looking for a Data Analyst to support on an upcoming project. The idea … candidate will have experience managing large data sets and will have strong excel experience. Day rate: circa £400 - £500 (outside IR35) Responsibilities: Data cleansing Analysing large incomplete data sets Creating dashboards and visualisations Gathering client data and responding to queries Requirements: Experience in a bid/commercial More ❯

the future of real estate technology. Role Responsibilities Architect, build, and optimise scalable ETL pipelines for diverse datasets. Onboard, document, and curate external datasets for internal use. Perform data validation, forensic analysis, and troubleshooting. Deliver high-quality, maintainable Python code and participate in peer reviews. Collaborate with stakeholders and researchers to support analytics and product development. Integrate … data from APIs, S3 buckets, and structured/unstructured sources (JSON, CSV, Excel, PDF, Parquet). Join geospatial datasets with external data sources and apply complex transformations. Define validated data schemas and create clear documentation for partners and teams. Explore and evaluate new data engineering tools and technologies. … relational databases. Experience with test-driven development and Git version control. Portfolio of past work (GitHub contributions, open-source, blogs, or demos). Knowledge of data cleansing, validation, and basic statistics. Background in working with Agile methods and fast iteration cycles. Bachelor's degree in Computer Science, Data Engineering, or related field (or More ❯

Power BI Data Analyst – Contract The Opportunity A leading public sector organisation is delivering one of the UK’s most ambitious sustainability and infrastructure programmes. To support this, we’re looking for a Power BI Data Analyst with the technical expertise and creativity to turn complex data into meaningful insights. This … is central to helping senior leaders, project teams, and partner organisations make evidence-based decisions. You’ll work with large, varied datasets, create high-impact dashboards, and ensure data quality and governance is applied consistently. What You’ll Be Doing Build and maintain Power BI dashboards, models, and reports across multiple projects and services. Combine, transform, and … and non-technical audiences. What We’re Looking For Proven expertise in Power BI (including Power Query, DAX, semantic modelling). Strong background in data analysis, cleansing, and visualisation . Experience of working with large, complex datasets from multiple sources. Knowledge of data governance, quality assurance, and statistical methods. Ability to manage stakeholders More ❯

Power BI Data Analyst – Contract The Opportunity A leading public sector organisation is delivering one of the UK’s most ambitious sustainability and infrastructure programmes. To support this, we’re looking for a Power BI Data Analyst with the technical expertise and creativity to turn complex data into meaningful insights. This … is central to helping senior leaders, project teams, and partner organisations make evidence-based decisions. You’ll work with large, varied datasets, create high-impact dashboards, and ensure data quality and governance is applied consistently. What You’ll Be Doing Build and maintain Power BI dashboards, models, and reports across multiple projects and services. Combine, transform, and … and non-technical audiences. What We’re Looking For Proven expertise in Power BI (including Power Query, DAX, semantic modelling). Strong background in data analysis, cleansing, and visualisation . Experience of working with large, complex datasets from multiple sources. Knowledge of data governance, quality assurance, and statistical methods. Ability to manage stakeholders 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 J13004 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 … a 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 ❯

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 J13004 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 … a 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 ❯

We are looking for Data Engineers suitable for a group of world-class investment and trading firms that are actively expanding their data engineering functions. Each environment is highly technical, research-driven, and deeply data-centric — offering the opportunity to work on systems and pipelines that directly influence investment decisions. These … positions sit within core data teams, responsible for building and maintaining the infrastructure that underpins everything from quantitative research to real-time trading and analytics. You’ll work closely with developers, data scientists, and researchers to ensure clean, accurate, and reliable data is available across the business. This is a fantastic … years’ experience) who want to accelerate their development in an environment that values intellectual curiosity, technical depth, and end-to-end ownership. The Role Design, build, and optimise data pipelines and ETL processes that feed critical research and trading systems. Engineer scalable, automated solutions for data ingestion, cleaning, and validation across multiple structured and More ❯

We are looking for Data Engineers suitable for a group of world-class investment and trading firms that are actively expanding their data engineering functions. Each environment is highly technical, research-driven, and deeply data-centric — offering the opportunity to work on systems and pipelines that directly influence investment decisions. These … positions sit within core data teams, responsible for building and maintaining the infrastructure that underpins everything from quantitative research to real-time trading and analytics. You’ll work closely with developers, data scientists, and researchers to ensure clean, accurate, and reliable data is available across the business. This is a fantastic … years’ experience) who want to accelerate their development in an environment that values intellectual curiosity, technical depth, and end-to-end ownership. The Role Design, build, and optimise data pipelines and ETL processes that feed critical research and trading systems. Engineer scalable, automated solutions for data ingestion, cleaning, and validation across multiple structured and More ❯

Data Analyst – Contract (6 months) | Hybrid/Remote | £350–£450/day Are you a data analyst who thrives on complex challenges and wants to make a real impact in the finance tech infrastructure space? We’re working with a leading organisation that’s investing heavily in data-driven decision-making … reports in Tableau, ensuring clarity and actionable insights for senior stakeholders. Work closely with both technical and non-technical teams to gather requirements and translate them into compelling data stories. Cleanse, profile, and model data using SQL, DBT, and Snowflake. Contribute to projects involving cloud data infrastructure (AWS preferred, especially S3 … experience with other platforms also valued). Support the evolution of data processes - potential to get involved in broader SQL, DBT, and AWS financial data projects. What we’re looking for: Proven expertise in Tableau (development and design), with a strong portfolio or Tableau Public profile. Advanced SQL skills; hands-on experience with Snowflake More ❯

Data Analyst – Contract (6 months) | Hybrid/Remote | £350–£450/day Are you a data analyst who thrives on complex challenges and wants to make a real impact in the finance tech infrastructure space? We’re working with a leading organisation that’s investing heavily in data-driven decision-making … reports in Tableau, ensuring clarity and actionable insights for senior stakeholders. Work closely with both technical and non-technical teams to gather requirements and translate them into compelling data stories. Cleanse, profile, and model data using SQL, DBT, and Snowflake. Contribute to projects involving cloud data infrastructure (AWS preferred, especially S3 … experience with other platforms also valued). Support the evolution of data processes - potential to get involved in broader SQL, DBT, and AWS financial data projects. What we’re looking for: Proven expertise in Tableau (development and design), with a strong portfolio or Tableau Public profile. Advanced SQL skills; hands-on experience with Snowflake More ❯

you will do 🚀 Build fundamental models for education - solving the ultimate learning task of predicting student knowledge and optimal ‘next task’ Work with a vast amount of unique data - we have data from over 1M language tests, including text and voice data Create brand new dictionaries, applicable to any context - right … now it’s the English language, but in the future it could be other languages or even subjects such as Mathematics Analyse large amounts of diverse data - including data from every movie, book, and song Work in a cross-functional team and communicate with backend engineers and product managers Create new types of tests … meet-up in London, building a network of ML specialists Essential skills 🙏 Experience leading and mentoring other ML engineers Complete end-to-end experience - from finding and cleaning data all the way to monitoring models in production Experience taking complete ownership of entire ML systems and data pipelines in large-scale production systems Experience More ❯

you will do 🚀 Build fundamental models for education - solving the ultimate learning task of predicting student knowledge and optimal ‘next task’ Work with a vast amount of unique data - we have data from over 1M language tests, including text and voice data Create brand new dictionaries, applicable to any context - right … now it’s the English language, but in the future it could be other languages or even subjects such as Mathematics Analyse large amounts of diverse data - including data from every movie, book, and song Work in a cross-functional team and communicate with backend engineers and product managers Create new types of tests … meet-up in London, building a network of ML specialists Essential skills 🙏 Experience leading and mentoring other ML engineers Complete end-to-end experience - from finding and cleaning data all the way to monitoring models in production Experience taking complete ownership of entire ML systems and data pipelines in large-scale production systems Experience More ❯

Junior Data Scientist – Master’s Graduate Role Location: London (Hybrid) Salary: £35,000 – £40,000 + 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: £35,000 – £40,000 + 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 ❯

you will do 🚀 Build fundamental models for education - solving the ultimate learning task of predicting student knowledge and optimal ‘next task’ Work with a vast amount of unique data - we have data from over 1M language tests, including text and voice data Create brand new dictionaries, applicable to any context - right … now it’s the English language, but in the future it could be other languages or even subjects such as Mathematics Analyse large amounts of diverse data - including data from every movie, book, and song Work in a cross-functional team and communicate with backend engineers and product managers Create new types of tests … models based on these results Optimise and fine-tune machine learning models for performance, scalability, and accuracy Essential skills 🙏 Complete end-to-end experience - from finding and cleaning data all the way to monitoring models in production Experience working with entire ML systems and data pipelines in large-scale production systems Experience building automated More ❯

you will do 🚀 Build fundamental models for education - solving the ultimate learning task of predicting student knowledge and optimal ‘next task’ Work with a vast amount of unique data - we have data from over 1M language tests, including text and voice data Create brand new dictionaries, applicable to any context - right … now it’s the English language, but in the future it could be other languages or even subjects such as Mathematics Analyse large amounts of diverse data - including data from every movie, book, and song Work in a cross-functional team and communicate with backend engineers and product managers Create new types of tests … models based on these results Optimise and fine-tune machine learning models for performance, scalability, and accuracy Essential skills 🙏 Complete end-to-end experience - from finding and cleaning data all the way to monitoring models in production Experience working with entire ML systems and data pipelines in large-scale production systems Experience building automated More ❯

and optimal ‘next task’ Build fully-automated pipelines for dictionary building; including span identification, word sense distribution, and sense granularity decision Work with a vast amount of unique data - we have data from over 1M language tests, including text and voice data Create brand new dictionaries and train models to determine … the difficulty of words, idioms, phrasal verbs etc. Analyse large amounts of diverse data - including data from every movie, book, and song Work in a cross-functional team and communicate with backend engineers and product managers Create new types of tests for language learners to gather more test results, analyse them, and build prediction … results Optimise and fine-tune machine learning models for performance, scalability, and accuracy Essential skills 🙏 Strong expertise in NLP Complete end-to-end experience - from finding and cleaning data all the way to monitoring models in production Strong understanding of neural networks, CNNs, RNNs, LSTMs, and transformers Experience building automated data pipelines Hands-on More ❯