26 to 50 of 60 Data Validation Jobs in London

a successful, dynamic, and creative global business then we want to hear from you. The Opportunity: This is a great opportunity for a Junior Data Test Engineer to join a rapidly growing data team in Clarion. Reporting to the Senior Architect, you will be responsible for assisting with … designing and maintaining the testing and testing strategy across our customer data platform and BI solution. You will be working with a small team which consists of database architects, developers, testers, administrators and integration developers and can grow your development skills in Azure, Synapse, Python and SQL. Key Responsibilities … testing, integration testing, functional testing, and end to end testing throughout various project iterations/sprints. Learn to develop complex SQL queries for querying data against different databases or source systems for data verification. Prepare the test plan and testing strategies for data warehousing applications. Interact with More ❯

cutting-edge AI teams on research and development topics across our life sciences, global energy and materials, and advanced industries practices, serving as a data engineer/machine learning engineer in a technology development and delivery capacity. With your expertise in computer science, computer engineering, cloud, and data … AI can be used for therapeutics, chemicals, and materials (including small molecules, proteins, mRNA, polymers, etc.). Your work will involve delivering distinctive capabilities, data, and machine learning systems through collaboration with client teams, playing a pivotal role in creating and disseminating cutting-edge knowledge and proprietary assets, and … building the firm's reputation in your area of expertise. Your Impact You will leverage your expertise in data/machine learning engineering and product development to address complex client problems through part-time staffing, support the development of engineering roadmaps for cell-level initiatives, and transform AI prototypes More ❯

What is PORT and PORT Enterprise, and where does the Data Validation Services (DVS) team fit in? Bloomberg Portfolio Analytics (PORT) empowers the biggest players in the financial world to manage their portfolios, assess exposures, and make decisions that move the markets. Our flagship product on the Bloomberg … A degree in Computer Science, Engineering, Mathematics, or similar field of study or equivalent work experience. An understanding of Computer Science fundamentals such as data structures and algorithms and a data oriented approach to problem-solving. Experience building full-stack, enterprise applications, ideally using Python/React. A More ❯

and motivated Go-To-Market (GTM) Focused Business Intelligence (BI) Analyst to join our team. The ideal candidate will have a strong background in data analysis, and an understanding of sales, marketing & CS processes and strategies. This role is critical in driving our GTM initiatives by providing actionable insights … and analytics that support decision-making and optimize our growth. Key Responsibilities : Data Analysis and Reporting : Collect, analyze, and interpret data from various sources to support GTM strategies. Develop and maintain dashboards, reports, and data visualizations to track key performance indicators (KPIs) related to sales and marketing. … Provide regular and ad-hoc reports to stakeholders, highlighting trends, insights, and actionable recommendations. Business Intelligence Development : Model commercial system data in DBT & BI Tool to enhance data accessibility and usability for GTM teams. Ensure data integrity and accuracy by performing regular data validation and More ❯

Senior Analytics Engineer Department: Data Employment Type: Permanent - Full Time Location: London Reporting To: Mike Stanley Compensation: £60,000 - £96,000/year Description About us section: Freetrade's mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping … tools. We're also exploring how we can leverage AI to deliver an even better experience for our customers. Key Responsibilities Develop and maintain data models using dbt and SQL that are efficient, scalable, and reliable. Encourage self-service analytics and consistent, high-quality metrics by building and maintaining … semantic metric definitions and key dashboards. Implement data quality monitoring and data validation throughout the data models you build to ensure high reliability. Collaborate with stakeholders at all levels of the business to understand their data needs and deliver solutions to meet them. Manage stakeholder More ❯

Data Strategist London Up to £55,000 We are seeking a Data Strategist to join a leading integrated communications agency, renowned for creating emotionally intelligent, culturally resonant, and commercially effective campaigns. With a reputation for award-winning work and a client portfolio that includes some of the most … recognisable global brands, this is a unique opportunity to contribute to high-impact marketing strategies at the intersection of data, creativity, and storytelling. About the Role Working closely with the Head of Data & Insight and embedded within a collaborative team of four, you will be central to unlocking … insight from data and delivering clear, actionable recommendations to clients and internal teams. This role sits at the heart of strategy, data, and creativity — connecting numbers to narrative. You will spend approximately 60% of your time on a flagship automotive client with a high volume of activity across More ❯

Data Strategist London Up to £55,000 We are seeking a Data Strategist to join a leading integrated communications agency, renowned for creating emotionally intelligent, culturally resonant, and commercially effective campaigns. With a reputation for award-winning work and a client portfolio that includes some of the most … recognisable global brands, this is a unique opportunity to contribute to high-impact marketing strategies at the intersection of data, creativity, and storytelling. About the Role Working closely with the Head of Data & Insight and embedded within a collaborative team of four, you will be central to unlocking … insight from data and delivering clear, actionable recommendations to clients and internal teams. This role sits at the heart of strategy, data, and creativity — connecting numbers to narrative. You will spend approximately 60% of your time on a flagship automotive client with a high volume of activity across More ❯

networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Data Engineer II Role description: Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're … innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Data Engineer II Responsibilities: Independently execute projects through design, implementation, automation, and maintenance of large-scale enterprise ETL processes for a global client base. Develop … repeatable and scalable code that processes client data in an automated and efficient manner to ensure data availability in the platform is as real-time as possible. Act as an expert data resource within the team. Manage the process of data delivery on teams by overseeing More ❯

Description Digital & Data Analyst Aon is currently looking to broaden our Global Facultative Reinsurance team in London. In this role, you will be responsible for driving innovation through supporting the development of new product innovations, and building market-leading, differentiated value-added tools for our colleagues and clients. Responsibilities … one inclusive, diverse team, and we are passionate about helping our colleagues and clients succeed. What the day will look like Exploiting Aon's data assets to produce MI for brokers, markets, and clients Identify new automatic data capture tools & processes to enhance Aon's data repository … Apply best-practice data validation techniques when preparing data for analysis Collaborating with and coordinating analytical teams in the development of new portfolio solutions Presentation of insights to senior stakeholders across your region(s) Delivery of bespoke and recurring analytical reports Developing segmentation solutions to better understand More ❯

Salary/Rate : £440 Start Date : 05/05/2025 Job Type : Contract Job Responsibilities/Objectives: You will be responsible for ensuring data quality and integrity by developing, maintaining, and executing automated data tests across complex ETL pipelines and cloud-based systems. This includes collaboration with … functional teams to implement effective testing strategies and improve continuous integration and delivery practices. Design, develop, and maintain automated test scripts in Python for data validation and ETL testing. Conduct thorough testing of ETL processes within AWS environments to ensure accuracy and performance. Collaborate with data engineers … and analysts to troubleshoot complex data issues and ensure test coverage. Implement and integrate automated testing into CI/CD pipelines for seamless deployment processes. Analyse large datasets to identify and resolve data quality issues efficiently. Work within Agile teams to deliver high-quality, tested data solutions More ❯

our omnichannel retention strategy. You will work closely with our internal teams and technical support agencies on projects and integrations relating to our Customer Data and Experience Platform, Bloomreach to co-ordinate across departments where CRM use cases require Omnichannel solutions and/or data mapping between systems. … convention to find solutions, taking accountability for their actions, but always with kindness and humility. More about the role A CRM Technical specialist will: Data mapping and integration; work with the CRM & Marketing Automation Lead and integration partners on optimising existing integrations, maintaining project health and exploring and creating … new data streams and integrations to our CDXP Bloomreach, ensuring each use case is executed to the highest standard Project co-ordination; responsible for communication between internal teams and third-party development partners for CRM projects. Organising calls, sharing and requesting information between parties, taking meeting notes and actions More ❯

answering their queries and providing process-level training. Required Skills Ability to use Microsoft Excel tool as per role requirements (filtering and sorting in data sets, cell referencing, pivot tables, data validation, etc.) Basic understanding of SQL, can self-service defined queries and make simple changes to … retrieve data from a database Knowledgeable in Customer Relationship Management tools, managing customer data and tracking interactions Attention to detail and ability to analyze and identify patterns across data sets and information Problem-solving skills, with the ability to find solutions through logic, intuition, creativity, and design … thinking Commitment to investigation, research, and diving deep to seek facts Ability to understand, interpret, critique, analyze, and communicate data BASIC QUALIFICATIONS Bachelor's degree Experience with Microsoft Office products and applications Mandarin (Native) proficiency in verbal and written communication English B2+ (or equivalent) proficiency in verbal and written More ❯

designing and implementing best-in-class management reporting processes as part of our ERP transformation. This role focuses on financial and performance management reporting, data analysis, and ensuring accurate insights to drive decision-making. This position is critical to ensuring seamless management reporting integration within the SAP system and … Processes: Assist in the development and execution of standardized management reporting processes aligned with industry best practices. Support seamless integration of financial and operational data across all business units within the SAP system. Maintain and refine key performance indicators (KPIs), dashboards, and reporting frameworks to support data-driven … decision-making. Collaborate with the R2R Lead to ensure alignment between financial and management reporting. Work on SAP Transformation and Data Analytics: Work with IT and finance teams to configure ERP systems for optimized management reporting and analytics. Identify automation opportunities to improve reporting efficiency and minimize manual intervention. More ❯

Data Coordinator - Fashion Advertised by OA West End Join our client's dynamic team as a Data Coordinator, where you will play a critical role in managing and optimising key data. This permanent position offers an exciting opportunity to work collaboratively with both internal and external teams, ensuring … that our data processes run smoothly and efficiently. In this role, our client needs someone who has excellent Excel skills (Pivot tables, V-lookups). JOB TITLE: Data Coordinator INDUSTRY: Retail/Fashion CONTRACT: Permanent SALARY: £27,000-£30,000 Responsibilities: As a Data Coordinator, your key … system purchase orders for accuracy. Checking and maintaining essential reports, such as Free to Sell and shipping summary reports, to support business operations. Ensuring data integrity within the SAP system through regular checks and updates. Assisting in creating and maintaining key report functions that drive performance. Uploading seasonal product More ❯

Responsibilities: Employee Management: Create, amend, and terminate employee records; process role changes. System Support & Configuration: Assist with basic system configurations, manage workflows, and support data entry tasks. Issue Resolution: Investigate and resolve system issues; escalate complex issues to senior analysts. Data Analysis & Reporting: Perform data extractions, generate … reports, and assist with data validation and quality assurance. Qualifications & Skills: Experience in an administrative, HR, or IT support role. Exposure to Oracle Fusion or ERP systems is a plus. Technical Skills: Basic understanding of enterprise systems and proficiency in Microsoft Excel. Soft Skills: Strong attention to detail More ❯

business division. The Application Support team is responsible for providing technical support for all front office and post-trade applications including trade capture, market data, settlement and clearing systems and their associated client applications, as well as overnight risk calculation systems and the business systems used by control and … with infrastructure teams, the service desk and the wider IT function. Overall Responsibilities Regularly monitor and validate the quality, accuracy, and timeliness of market data, identifying and troubleshooting any discrepancies or issues. Manage incidents related to market data disruptions or delays, escalating issues to appropriate teams while ensuring … minimal impact Support the integration of third-party market data feeds into internal systems Provide first-line support for some trading and back-office platforms offered by Marex to both internal and external client base. Liaise between technology department and business groups to communicate system changes. Manage process and More ❯

and learnings. Support peers by answering queries and providing process training as a mentor. Required Skills Proficiency in Microsoft Excel (filtering, sorting, pivot tables, data validation, etc.). Basic understanding of SQL for self-service queries and data retrieval. Knowledge of Customer Relationship Management tools for managing … customer data and interactions. Attention to detail with strong data analysis and pattern recognition skills. Problem-solving skills utilizing logic, intuition, creativity, and design thinking. Commitment to investigation, research, and fact-finding. Ability to interpret, critique, analyze, and communicate data effectively. BASIC QUALIFICATIONS Bachelor's degree. Experience … assurance. Advanced Excel skills (VBA). Knowledge of SQL database querying. Experience as a quality auditor in retail, FMCG, or corporate roles. Experience with data analysis and building decision support systems. We are committed to fostering an inclusive culture that empowers employees to deliver their best. If you need More ❯

day-to-day operations, monitoring, and troubleshooting of the NBO models running on GCP and potentially on-premise servers. Lead the design, implementation, and validation of new business requirements and enhancements for the NBO suite. Ensure continuous monitoring, supervision, and version upgrades of the diverse NBO models. Guide the … further development of ML models within NBO, potentially incorporating advanced techniques like GNNs, autoencoders, or transformers. Oversee data validation processes and ensure data quality for NBO inputs. Manage the NBO model evaluation framework (NBO Eval) and report on performance metrics (accuracy, coverage, personalization). Coordinate with relevant … final handover process to the new internal team towards the end of the engagement. Required Skills & Experience: 10+ years of hands-on experience in Data Science and Machine Learning, applying models in a business context, particularly for personalization or recommendation. Proven experience leading the development, deployment, and lifecycle management More ❯

day-to-day operations, monitoring, and troubleshooting of the NBO models running on GCP and potentially on-premise servers. Lead the design, implementation, and validation of new business requirements and enhancements for the NBO suite. Ensure continuous monitoring, supervision, and version upgrades of the diverse NBO models. Guide the … further development of ML models within NBO, potentially incorporating advanced techniques like GNNs, autoencoders, or transformers. Oversee data validation processes and ensure data quality for NBO inputs. Manage the NBO model evaluation framework (NBO Eval) and report on performance metrics (accuracy, coverage, personalization). Coordinate with relevant … final handover process to the new internal team towards the end of the engagement. Required Skills & Experience: 10+ years of hands-on experience in Data Science and Machine Learning, applying models in a business context, particularly for personalization or recommendation. Proven experience leading the development, deployment, and lifecycle management More ❯

rigorous testing, quality assurance, and collaboration with cross-functional teams. You’ll work alongside developers, project managers, and infrastructure experts to validate functionality, protect data integrity, and drive a user-focused launch. From test planning and execution to data migration and UAT, you’ll ensure every part of … complex Microsoft Dynamics 365 implementation Design test scripts for functional, usability, navigation, and security testing Conduct regression and integration testing across platforms Support the data migration process and perform data validation Lead User Acceptance Testing with business stakeholders Collaborate on training materials and user guides Document system … Requirements Proven QA experience with Microsoft Dynamics 365 (or similar enterprise systems) Strong understanding of end-to-end testing methodologies Hands-on experience with data migration testing Excellent communication skills and ability to collaborate across teams Strong attention to detail, process-driven, and organised Experience with Microsoft Power Platform More ❯

rigorous testing, quality assurance, and collaboration with cross-functional teams. You’ll work alongside developers, project managers, and infrastructure experts to validate functionality, protect data integrity, and drive a user-focused launch. From test planning and execution to data migration and UAT, you’ll ensure every part of … complex Microsoft Dynamics 365 implementation Design test scripts for functional, usability, navigation, and security testing Conduct regression and integration testing across platforms Support the data migration process and perform data validation Lead User Acceptance Testing with business stakeholders Collaborate on training materials and user guides Document system … Requirements Proven QA experience with Microsoft Dynamics 365 (or similar enterprise systems) Strong understanding of end-to-end testing methodologies Hands-on experience with data migration testing Excellent communication skills and ability to collaborate across teams Strong attention to detail, process-driven, and organised Experience with Microsoft Power Platform More ❯

Architect you will lead the migration from Microsoft Dynamics to Salesforce Financial Services Cloud. In this role you will work to define and execute data migration strategy, ensuring accuracy and integrity. You will also utilize ETL tools like Informatica and Apex Data Loader (and any other in-house … customer tools). Your responsibilities Implement data validation, deduplication, and enrichment processes. Design and implement API integrations with external systems. Ensure performance optimization for bulk data processing. Ensure compliance with GDPR, and Salesforce security best practices. Provide technical documentation and knowledge transfer for future scalability. Configure and More ❯

Architect you will lead the migration from Microsoft Dynamics to Salesforce Financial Services Cloud. In this role you will work to define and execute data migration strategy, ensuring accuracy and integrity. You will also utilize ETL tools like Informatica and Apex Data Loader (and any other in-house … customer tools). Your responsibilities Implement data validation, deduplication, and enrichment processes. Design and implement API integrations with external systems. Ensure performance optimization for bulk data processing. Ensure compliance with GDPR, and Salesforce security best practices. Provide technical documentation and knowledge transfer for future scalability. Configure and More ❯

What you'll need to succeed Strong expertise in UI & API automation testing (Selenium, Playwright, REST Assured, Postman). Deep understanding of SQL and data validation techniques for structured and unstructured data. Experience in ETL testing, data reconciliation, and working with large datasets. Proven experience leading QA … efforts on data and platform modernisation/conversion/migration projects. Strong expertise in automated testing frameworks and tools. Experience with tools such as Selenium, JMeter, or equivalent for API and web testing. Knowledge of cloud platforms - Azure and containerised environments (Docker, Kubernetes). What you'll get in More ❯

What you'll need to succeed Strong expertise in UI & API automation testing (Selenium, Playwright, REST Assured, Postman). Deep understanding of SQL and data validation techniques for structured and unstructured data. Experience in ETL testing, data reconciliation, and working with large datasets. Proven experience leading QA … efforts on data and platform modernisation/conversion/migration projects. Strong expertise in automated testing frameworks and tools. Experience with tools such as Selenium, JMeter, or equivalent for API and web testing. Knowledge of cloud platforms - Azure and containerised environments (Docker, Kubernetes). What you'll get in More ❯