1 to 25 of 80 Data Validation Jobs in London

divisions provides its customers with clear advantage, and its technology-led service provides access to all major exchanges, order-flow management via screen, voice and DMA, plus award-winning data, insights and analytics. The Technology Department delivers differentiation, scalability and security for the business. Reporting to the COO, Technology provides digital tools, software services and infrastructure globally to all … and design. The IT Group runs our enterprise-wide services to end users and actively manages the firm's infrastructure and data. Within IT, Marex Technology has established a Data team that enables the firm to leverage data assets to increase productivity and improve business decisions, as well as maintain data compliance. The Data Team encompasses … Database Administration, Data Engineering, Data Analysis, Data Architecture, Data Intelligence and AI expertise. In recent years, they have developed a Data Lakehouse architecture, that is relied upon by different departments across the firm. Marex now seeks to strengthen its capabilities further and elevate the role of data in the operating models of Marex's More ❯

is Operations that develops and manages the processes and controls that enable business flow. OUR IMPACT The team is seeking a skilled professional who will provide business insights for data driven decisions. In this role, you will apply your quantitative, problem solving and client service skills to support the various business units and clients. You will also play a … key role in suggesting and implementing process improvements for the team to mitigate risks and enhance the overall client experience. JOB SUMMARY AND RESPONSBILITIES: Data Analysis and Process Improvement: •Analyze trade lifecycle and operational workflows to identify areas for optimization and automation. •Enable strategic decision making through data driven analytics. •Develop detailed technical specifications for BI solutions based … on business requirements, adhering to SDLC best practices. BI Solution Development: •Design, develop, test, and deploy end-to-end Business Intelligence solutions using Alteryx for data preparation, SQL for data transformation and storage, Tableau for data visualization, and R/Python for advanced analytics. •Design, implement, and maintain ETL pipelines using Alteryx to extract data from More ❯

Business Analyst - Data Warehouse Delivery (London Market Insurance) Department: Project Management Employment Type: Contract Location: London Reporting To: Hugh Griffiths Compensation: £600 - £800/day Description To support the successful delivery of a new Data Warehouse (DWH) capability for Polo Managing Agency (PMA), this role will provide expert business analysis across the build and implementation lifecycle. The BA … will be responsible for capturing business and data requirements, mapping data from source systems (primarily PAS), and ensuring alignment between business needs and the technical DWH solution. This role requires strong experience in London Market insurance operations, data modelling, and systems integration, particularly between PAS and reporting/analytics platforms. Key Responsibilities Lead business and data requirement gathering from underwriting, finance, claims, and operations teams. Develop source-to-target mappings from PAS and other upstream systems into the DWH. Analyse end-to-end data flows across operational and reporting systems. Document and optimise processes relating to data extraction, transformation, and load (ETL). Translate business requirements into clear, testable functional and non-functional More ❯

Company Details Required Skills & Knowledge: Solid hands-on experience with Microsoft Technology Stack (2022) Extensive experience of SQL/data warehousing Proven experience of data engineering activities such as release management, environment controls, CICD pipeline orchestration. Experience working with Python and Power BI Proven ability of Microsoft BI software development including database/reporting development, full development cycle … Strong data modelling, problem solving, information analysis, attention to detail, flexibility of approach. The ability to deal directly with business functions and interpret their thoughts into successful data & analytics solutions. The ability to design and develop complex BI/MI solutions in line with agreed architectural principles and toolsets. Capable of working closely with the business and delivering … complex requirements to tight timescales. Strong interest in latest data engineering technologies, best practises, techniques and trends in the data industry Required Toolsets: Kimball data modelling Microsoft SQL Server Analysis Services (Multidimensional/Tabular), Power BI Python, MDX, DAX Responsibilities The Data Manager will be responsible for supporting Head of Data and Analytics and wider More ❯

Company Details Required Skills & Knowledge: Solid hands-on experience with Microsoft Technology Stack (2022) Extensive experience of SQL/data warehousing Proven experience of data engineering activities such as release management, environment controls, CICD pipeline orchestration. Experience working with Python and Power BI Proven ability of Microsoft BI software development including database/reporting development, full development cycle … Strong data modelling, problem solving, information analysis, attention to detail, flexibility of approach. The ability to deal directly with business functions and interpret their thoughts into successful data & analytics solutions. The ability to design and develop complex BI/MI solutions in line with agreed architectural principles and toolsets. Capable of working closely with the business and delivering … complex requirements to tight timescales. Strong interest in latest data engineering technologies, best practises, techniques and trends in the data industry Required Toolsets: Kimball data modelling Microsoft SQL Server Analysis Services (Multidimensional/Tabular), Power BI Python, MDX, DAX Responsibilities The Data Manager will be responsible for supporting Head of Data and Analytics and wider More ❯

Title: Senior Data Engineer Salary: Up to £100,000 D.O.E Location: London (Hybrid 3 Days on site) Are you a Data Engineer ready to make a real impact in a company that values innovation, autonomy, and excellence? iO Associates is recruiting for a high-growth, forward-thinking investment firm that sits at the intersection of finance and technology … and they're looking for a Data Engineering Specialist to join their collaborative data team. This is a unique chance to step into a role that offers both technical ownership and strategic influence, within a business that's genuinely committed to doing things differently. Our client is known for backing purpose-driven investments and building tech-enabled solutions … that scale with the future of finance. The Role: As a Data Engineering Specialist, you'll play a vital role in transforming how the business uses data. You'll lead critical migration projects, work with modern tooling like Snowflake, and help architect scalable, future-proof data solutions. You'll also collaborate with business stakeholders, mentor colleagues, and drive More ❯

Title: Senior Data Engineer Salary: Up to £100,000 D.O.E Location: London (Hybrid 3 Days on site) Are you a Data Engineer ready to make a real impact in a company that values innovation, autonomy, and excellence? iO Associates is recruiting for a high-growth, forward-thinking investment firm that sits at the intersection of finance and technology … and they're looking for a Data Engineering Specialist to join their collaborative data team. This is a unique chance to step into a role that offers both technical ownership and strategic influence, within a business that's genuinely committed to doing things differently. Our client is known for backing purpose-driven investments and building tech-enabled solutions … that scale with the future of finance. The Role: As a Data Engineering Specialist, you'll play a vital role in transforming how the business uses data. You'll lead critical migration projects, work with modern tooling like Snowflake, and help architect scalable, future-proof data solutions. You'll also collaborate with business stakeholders, mentor colleagues, and drive More ❯

280+ Employees - We have over 280 passionate employees transforming the industry across the Group, one home at a time The Role We're seeking a motivated and detail orientated Data Engineer with experience in building and managing scalable data pipelines and infrastructure. You'll be responsible for developing robust ETL/ELT processes, optimising and maintaining data warehouse, and ensuring data quality and standards through comprehensive monitoring and governance. Collaborating closely with our Data, Tech and Product teams, you'll help shape and support our data strategy. The ideal candidate should have familiarity in SQL and cloud-based data solutions, be driven towards automated solutions and thrives in transforming complex data infrastructure into streamlined, reliable, and actionable assets. Responsibilities: Own Data Infrastructure : Design, develop, and maintain scalable data pipelines and infrastructure to enable reliable analytics and data-driven decisions. ETL/ELT Development : Build, optimise, and manage ETL processes in BigQuery and associated tools to ensure timely and accurate data ingestion. Data Warehousing : Maintain and More ❯

Business Analyst (Tech/Data) - Permanent Hire - Albany Beck Location: London (Hybrid) Company: Albany Beck Employment Type: Permanent About Albany Beck Albany Beck is a fast-growing consultancy, partnering with top-tier financial institutions to deliver change, transformation, and innovation. We work across multiple disciplines, including technology, data, compliance, and risk. Our culture is built on collaboration, ownership … and delivering measurable value for clients. Role Overview We are seeking a Business (Tech/Data) Analyst with a strong focus on technology and data to join a high-performing feature delivery team. The successful candidate will operate at the heart of solution delivery, bridging the gap between business change and technical implementation. This is an exciting opportunity … understand and validate business requirements, user journeys, and UI/UX specifications. Perform technical analysis to translate business needs into detailed functional and non-functional requirements. Define and document data/API integrations, including source systems, field mappings, and data flow logic. Liaise with internal tech teams and SMEs to define technical solutions aligned with architecture standards. Partner More ❯

Business Analyst (Tech/Data) - Permanent Hire - Albany Beck Location: London (Hybrid) Company: Albany Beck Employment Type: Permanent About Albany Beck Albany Beck is a fast-growing consultancy, partnering with top-tier financial institutions to deliver change, transformation, and innovation. We work across multiple disciplines, including technology, data, compliance, and risk. Our culture is built on collaboration, ownership … and delivering measurable value for clients. Role Overview We are seeking a Business (Tech/Data) Analyst with a strong focus on technology and data to join a high-performing feature delivery team. The successful candidate will operate at the heart of solution delivery, bridging the gap between business change and technical implementation. This is an exciting opportunity … understand and validate business requirements, user journeys, and UI/UX specifications. Perform technical analysis to translate business needs into detailed functional and non-functional requirements. Define and document data/API integrations, including source systems, field mappings, and data flow logic. Liaise with internal tech teams and SMEs to define technical solutions aligned with architecture standards. Partner More ❯

life balance, career progression, sustainability, volunteering - you'll find like-minded people driving change at Howden. Quality Engineer Position Quality Engineer to ensure the quality, reliability, and robustness of data engineering and platform engineering pipelines within the Group Data Platform . Summary of the Role Howden Group Services is expanding its Group Data Platform team and is … looking for a Quality Engineer to support data quality assurance, test automation, and validation frameworks across data engineering and platform engineering teams. The ideal candidate will have experience in testing data pipelines, automation frameworks, and CI/CD practices , with a focus on ensuring data integrity, accuracy, and reliability . This role requires an analytical … and detail-oriented individual who can work closely with engineers to embed quality-first principles , ensuring that data pipelines and platform components are thoroughly tested and meet business requirements . The successful candidate will help develop automated testing frameworks, define testing standards, and validate data engineering workflows . Responsibilities The successful candidate will: Support the development and execution 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 millions from making the most of their savings. We're … funds, bonds, and family investment 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 expectations and communicate project status, risks, and issues efficiently. Maintain documentation, manage change and technical More ❯

Title: Senior Data Engineer Salary: Up to £100,000 D.O.E Location: London (Hybrid 3 Days on site) Are you a data engineer ready to make a real impact in a company that values innovation, autonomy, and excellence? iO Associates is recruiting for a high-growth, forward-thinking investment firm that sits at the intersection of finance and technology … and they're looking for a Data Engineering Specialist to join their collaborative data team. This is a unique chance to step into a role that offers both technical ownership and strategic influence, within a business that's genuinely committed to doing things differently. Our client is known for backing purpose-driven investments and building tech-enabled solutions … that scale with the future of finance. The Role: As a Data Engineering Specialist, you'll play a vital role in transforming how the business uses data. You'll lead critical migration projects, work with modern tooling like Snowflake, and help architect scalable, future-proof data solutions. You'll also collaborate with business stakeholders, mentor colleagues, and drive More ❯

our global customers. We're on a truly exciting journey of growth and transformation - we're going places! This is where you come in. The opportunity As a Senior Data Quality Assurance Engineer, you'll play a vital role in ensuring the accuracy, integrity, and reliability of data within our organisation. You'll be responsible for developing and … implementing data quality standards, processes, and best practices to maintain high data quality throughout the data lifecycle. Your expertise in data validation, testing methodologies, and quality assurance techniques will contribute to the successful delivery of data-driven initiatives and enable us to make informed decisions across the organisation, as well as keeping us compliant … with regulatory requirements and industry standards. You'll collaborate closely with cross-functional teams, including data engineers, data scientists, and wider business stakeholders, to establish data quality criteria and provide guidance and training on data quality best practices, tools and technologies. This role is based out of our London office. We call our approach to hybrid More ❯

today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. Your Role Join our fast-growing & collaborative Data-Driven Financial Risk & Compliance (DFRC) team and shape the future of risk and finance! We harness cutting-edge technology, AI-powered models, and cloud-first data platforms to … that's redefining how businesses anticipate, manage, and capitalize on risk. In this role you will have the opportunity to demonstrate the following: Stakeholder Collaboration: Partner with business and data teams to understand data requirements, define data ownership, and ensure governance policies are effectively applied. Data Governance: Implement and support data governance and data quality initiatives, ensuring compliance with organizational policies and regulatory standards. Governance Framework Development: Develop and maintain a comprehensive data and records governance framework aligned with regulatory requirements and industry standards. Metadata Management: Manage and maintain metadata to enhance data discoverability, consistency and accuracy Data Quality Assurance: Conduct data validation and data quality checks More ❯

A dynamic and prestigious professional services company based in the heart of the City of London is seeking a talented Data Engineer to join their team in this newly created role. This multifaceted position offers an exceptional opportunity for an experienced professional to work broadly across the business, planning, developing and implementing data solutions. The successful candidate must … possess strong analytical skills, in-depth understanding of data engineering principles and the ability to translate business requirements into high quality data solutions The main focus of the role will include: Designs and develops data pipelines for the preparation, transformation and loading of data into the appropriate data storage systems, following standard medallion architecture principles. … Oversee ETL (Extract, Transform, Load) operations to ensure data from various sources is accurately transformed and loaded into data stores. Implement data quality check, validation rules, and profiling techniques to maintain high data integrity. Work on data cleansing and normalisation to ensure data usability for business reporting and analysis purposes. Communicate technical concepts More ❯

Senior Data Analyst 🌳🌳 Areti Group have partnered with a scaling Fintech who are seeking an experienced Senior Data Analyst with proficiency in SQL, Excel, and BI tools to join their Technology team. The successful candidate will play a key role in the management, enrichment, and analysis of proprietary data, serving as a primary data support specialist … across financial operations, customer service, and engineering teams. Hybrid London - 2 days per week Salary circa £70-90k ASAP start Responsibilities: Creating a comprehensive data strategy Executing the strategy by developing analytical models, reports, and dashboards, collaborating with internal teams and stakeholders. Establishing and documenting detailed data governance practices, procedures, and scalable solutions for a small to … medium-sized enterprise (SME). Evaluating and validating data outputs while collaborating with developers to investigate, analyze, document, and resolve discrepancies. Partnering with engineers to establish best practices for data modeling, transformation, and visualization. Required Skills & Experience: Profound knowledge of data analysis methodologies, including user analytics, system integration, and reporting automation. Strong proficiency in SQL, Excel, and More ❯

Senior Data Analyst 🌳🌳 Areti Group have partnered with a scaling Fintech who are seeking an experienced Senior Data Analyst with proficiency in SQL, Excel, and BI tools to join their Technology team. The successful candidate will play a key role in the management, enrichment, and analysis of proprietary data, serving as a primary data support specialist … across financial operations, customer service, and engineering teams. Hybrid London - 2 days per week Salary circa £70-90k ASAP start Responsibilities: Creating a comprehensive data strategy Executing the strategy by developing analytical models, reports, and dashboards, collaborating with internal teams and stakeholders. Establishing and documenting detailed data governance practices, procedures, and scalable solutions for a small to … medium-sized enterprise (SME). Evaluating and validating data outputs while collaborating with developers to investigate, analyze, document, and resolve discrepancies. Partnering with engineers to establish best practices for data modeling, transformation, and visualization. Required Skills & Experience: Profound knowledge of data analysis methodologies, including user analytics, system integration, and reporting automation. Strong proficiency in SQL, Excel, and More ❯

Security-Cleared Data Analyst – ERP Data Migration Contract Type: Initial 6-month contract (outside IR35) Rate: £450-500 per day DOE Clearance Required: Active SC Clearance The Role: We're seeking an experienced Data Analyst to join a high-impact digital transformation project within a secure government environment. This role focuses on the consolidation and migration of … legacy systems into a new, centralised ERP platform . You’ll play a key role in mapping, transforming, and validating large datasets across multiple departments, ensuring data integrity and compliance throughout the migration lifecycle. Key Responsibilities: Analyse and profile data across legacy systems to understand current data structures and quality Work closely with business users and technical … teams to define and document data requirements Support data mapping, transformation, and cleansing processes to prepare for ERP migration Identify data inconsistencies, risks, and remediation strategies Build data validation rules and reconciliation reports to ensure post-migration accuracy Assist in UAT and cutover planning with the wider project and ERP teams Skills & Experience: ✅ Proven experience More ❯

Security-Cleared Data Analyst – ERP Data Migration Contract Type: Initial 6-month contract (outside IR35) Rate: £450-500 per day DOE Clearance Required: Active SC Clearance The Role: We're seeking an experienced Data Analyst to join a high-impact digital transformation project within a secure government environment. This role focuses on the consolidation and migration of … legacy systems into a new, centralised ERP platform . You’ll play a key role in mapping, transforming, and validating large datasets across multiple departments, ensuring data integrity and compliance throughout the migration lifecycle. Key Responsibilities: Analyse and profile data across legacy systems to understand current data structures and quality Work closely with business users and technical … teams to define and document data requirements Support data mapping, transformation, and cleansing processes to prepare for ERP migration Identify data inconsistencies, risks, and remediation strategies Build data validation rules and reconciliation reports to ensure post-migration accuracy Assist in UAT and cutover planning with the wider project and ERP teams Skills & Experience: ✅ Proven experience More ❯

Security-Cleared Data Analyst – ERP Data Migration Contract Type: Initial 6-month contract (outside IR35) Rate: £450-500 per day DOE Clearance Required: Active SC Clearance The Role: We're seeking an experienced Data Analyst to join a high-impact digital transformation project within a secure government environment. This role focuses on the consolidation and migration of … legacy systems into a new, centralised ERP platform . You’ll play a key role in mapping, transforming, and validating large datasets across multiple departments, ensuring data integrity and compliance throughout the migration lifecycle. Key Responsibilities: Analyse and profile data across legacy systems to understand current data structures and quality Work closely with business users and technical … teams to define and document data requirements Support data mapping, transformation, and cleansing processes to prepare for ERP migration Identify data inconsistencies, risks, and remediation strategies Build data validation rules and reconciliation reports to ensure post-migration accuracy Assist in UAT and cutover planning with the wider project and ERP teams Skills & Experience: ✅ Proven experience More ❯

operations teams, technology teams and clients to deliver various projects. In this role you will lead the efforts to analyze business requirements and technical solutions to deliver high quality data solutions to our clients. This position will interface with data experts, data sourcing resources and assist in the validation of required data. The incumbent will serve … and requirements gathering with our client reporting project team. Ensure project activity is customer focused, result orientated and performance driven. Why this role is important to us We gather data from multiple sources internally and externally (IBOR, ABOR, performance, market data vendors and client supplied data), and make that data available for consumption by our clients. … Clients will have direct access to their data in ADP. What you will be responsible for Lead projects in design and implementation of data flow and data accuracy. Work with operations, clients, and technology to deliver various projects. Analyze technical solutions to business requirements and work with the business teams to identify requirements. Develop data, functional More ❯

Daintta are a rapidly growing, values-driven team of specialists who work with government clients across Cyber, Telecommunications and Data. We are seeking a talented and motivated Data Architect to join our team and contribute to our mission of protecting the UK through data-driven insights and solutions. As a Data Architect, you will work closely with … our public sector clients and project teams to collect, analyse and interpret complex data sets, providing valuable insights that support evidence-based decision-making. Key Responsibilities Leading client projects and providing subject matter expertise Assessing your clients' technical needs and understanding how their needs are different to wants and managing clients' stakeholders relationship appropriately Identifying data sources, data extraction, transformation, and loading (ETL/ELT) concepts and methods Developing suitable data governance and provenance strategies and how they will be implemented in data architecture Designing and evaluating on-premise, cloud-based and hybrid data solutions (including providing review and guidance on testing aspects, identification of risks and proposing and implementing their mitigations) Modelling, structuring More ❯

combine private and commercial banking, wealth planning and investment management. We believe in traditional relationship and service-led banking powered by modern technology. Job purpose Develop and maintain complex data systems that support the Bank's operations and reporting needs, ensuring they meet all essential data requirements, following strong engineering and automation best practices and collaborating with the … Technical Lead for Data Engineering to develop innovative solutions that address business needs. As a Senior Data Engineer this person will also play a key role in the development of less experienced members of the team day to day. To place the interests of customers at the centre of all activities, act in a way that is consistent … with achieving good outcomes for consumers; and to comply with the FCA and PRA's Conduct Rules. Key Responsibilities: The development of data ingest, transformation, analytics, and data publishing pipelines, facilitating complex data transformations to meet business requirements, ensuring optimal performance and efficiency of the data platform. Support for the live platform day to day, resolving More ❯

Our client, a leader in the IT sector, is currently seeking a Procurement Data & Automation Analyst for a 6-month contract position to join their team. This role is integral to accelerating procurement decision-making and enhancing transactional efficiency through advanced analytics, dashboarding, and workflow automation. Key Responsibilities: Design, develop, and refresh Power BI reports on spend, preferred supplier … lists, supplier KPIs, and innovation menu cards Optimise DAX, data models, and refresh schedules for self-service insights Map manual workflows and build Power Apps/Power Automate solutions Leverage AI-driven insights and auto-generated reports using Microsoft Copilot & Copilot Agents Create end-to-end process maps to visualise current versus future workflows; document 'as-is' versus 'to … be' processes, embedding controls and KPIs Train end-users through concise PowerPoint decks and live demonstrations Maintain procurement catalogues and cleanse master data Collaborate with vendors for data validation and onboarding; present analytical findings to Category Leads & leadership Job Requirements: Must-Have: Experience in data analytics or procurement operations Expertise in Power BI (DAX, Power Query More ❯