21 of 21 Contract Data Transformation Jobs in London

Multiple Interim Data Governance & Data Analysis Positions – Major Banking Client We are currently recruiting on behalf of a prominent banking client for several Interim Data Governance & Data Analysis roles at varying corporate levels. These positions are central to a high-impact Data Transformation Programme within the organisation’s Risk and Finance domains. This is … an exciting opportunity for data professionals to drive change across the EMEA region by contributing to the strategic development and execution of the organisation’s EMEA Data Strategy. The Ideal Candidate The ideal candidate will bring strong expertise in Data Analysis combined with a working knowledge of: Data Governance principles BCBS239 regulatory frameworks ECB onboarding processes … Risk management practices This unique blend of skills will enable the successful candidate to provide both analytical depth and governance oversight, supporting the delivery of a robust and compliant data environment. Key Responsibilities Conduct in-depth data analysis to support governance, quality, and risk assessment across Risk and Finance data assets. Lead the implementation of data More ❯

Senior Data Engineer – Data Modelling & Engineering – London Area – 6 Months Contract We are seeking a highly skilled and collaborative Senior Data Engineer to join a dynamic Data Modelling and Engineering team. You will play a key role in building and maintaining data pipelines, enabling seamless access to trusted data for analysts, performance teams, and … data scientists. Your work will directly support the development of robust, automated, and maintainable data processes that drive confident, data-informed decision-making.This is an exciting opportunity to join a forward-thinking organisation focused on modernising and stabilising complex data landscapes. You’ll be part of a team that values innovation, flexibility, and user-centric design … working in a supportive environment that encourages continuous learning and improvement. About the Role: You will work closely with upstream teams to bring critical data onto an Analytical Platform and help develop a new data layer. Your responsibilities will include establishing connectivity with downstream systems, conducting user needs analysis, and contributing to the design of dimensional data More ❯

DATA WRANGLER 6-MONTHS £400 PER DAY - INSIDE IR35 HYBRID - LONDON This is an exciting opportunity for a highly analytical and detail-driven Data Wrangler to support a major forensic data analytics project. You'll be working with a specialist team to ingest, clean, and compare massive datasets from multiple complex systems - some sources containing hundreds of … ll be joining a collaborative, focused, and expert-led group engaged on a high-stakes piece of work. THE ROLE You'll play a hands-on role working with data received from external clients-often incomplete, inconsistent, or raw. Your job is to wrangle that data into usable form, run forensic-level comparisons, and support reporting back to … Ingesting and transforming large datasets (100M+ rows), from Oracle, SQL Server, and flat files (CSV, XML). Writing and reviewing SQL and Python (Pandas) scripts to clean and join data across multiple sources. Conducting forensic comparisons between data sources (e.g., matching millions of XML records to transactional logs). Supporting peer code reviews to ensure high quality and More ❯

Data Pipeline Development: Design and implement end-to-end data pipelines in Azure Databricks, handling ingestion from various data sources, performing complex transformations, and publishing data to Azure Data Lake or other storage services. Write efficient and standardized Spark SQL and PySpark code for data transformations, ensuring data integrity and accuracy across the … pipeline. Automate pipeline orchestration using Databricks Workflows or integration with external tools (e.g., Apache Airflow, Azure Data Factory). Data Ingestion & Transformation: Build scalable data ingestion processes to handle structured, semi-structured, and unstructured data from various sources (APIs, databases, file systems). Implement data transformation logic using Spark, ensuring data is … cleaned, transformed, and enriched according to business requirements. Leverage Databricks features such as Delta Lake to manage and track changes to data, enabling better versioning and performance for incremental data loads. Data Publishing & Integration: Publish clean, transformed data to Azure Data Lake or other cloud storage solutions for consumption by analytics and reporting tools. Define More ❯

Data Pipeline Development: Design and implement end-to-end data pipelines in Azure Databricks, handling ingestion from various data sources, performing complex transformations, and publishing data to Azure Data Lake or other storage services. Write efficient and standardized Spark SQL and PySpark code for data transformations, ensuring data integrity and accuracy across the … pipeline. Automate pipeline orchestration using Databricks Workflows or integration with external tools (e.g., Apache Airflow, Azure Data Factory). Data Ingestion & Transformation: Build scalable data ingestion processes to handle structured, semi-structured, and unstructured data from various sources (APIs, databases, file systems). Implement data transformation logic using Spark, ensuring data is … cleaned, transformed, and enriched according to business requirements. Leverage Databricks features such as Delta Lake to manage and track changes to data, enabling better versioning and performance for incremental data loads. Data Publishing & Integration: Publish clean, transformed data to Azure Data Lake or other cloud storage solutions for consumption by analytics and reporting tools. Define More ❯

Job Description AWS Stack, data being landed in S3, Lambda triggers, Data Quality, data written back out to AWS S3(Parquet Formats), Snowflake for dimensional model. Design and build the data pipelines, work with someone around understanding data transformation, this is supported by BA's, building out the data pipelines, moving into layers … in the data architecture (Medallion architecture). Requirements 5 plus year's experience with AWS 5-8 years overall exposure to Data Technical Lead experience Proficient in Snowflake, S3, Lambda Triggers Hybrid London 1-2 days a week £500-600 (Outside IR35) The reason they're hiring now, they have a client that is all on a legacy More ❯

Job Description AWS Stack, data being landed in S3, Lambda triggers, Data Quality, data written back out to AWS S3(Parquet Formats), Snowflake for dimensional model. Design and build the data pipelines, work with someone around understanding data transformation, this is supported by BA's, building out the data pipelines, moving into layers … in the data architecture (Medallion architecture). Requirements 5 plus year's experience with AWS 5-8 years overall exposure to Data Technical Lead experience Proficient in Snowflake, S3, Lambda Triggers Hybrid London 1-2 days a week £(Apply online only) (Outside IR35) The reason they're hiring now, they have a client that is all on a More ❯

Senior Data Quality Officer-Estates Management-Higher Education Senior Data Quality Officer/Specialist with expereince of working on data improvement programmes within estates, is urgently needed to support our leading higher education client improve their estates data management. The Senior Data Quality Officer/Specialist will be tasked with engaging with a wide variety … of stakeholders across all Estates functions, to understand and prioritise data quality issues and needs from operational and customer perspectives. They will support data owners and stewards to design and implement data quality improvement plans across Estates, developing and adopting new sustainable solutions to ensure effective and measurable improvements are achieved in information and data quality. … Senior Data Quality Officer-Estates Management-Higher Education- Essential Expereince Experience of data quality analysis, data improvement planning, data cleansing and delivering data governance principles across complex data domains within a complex enterprise environment. Experience of working in data transformation projects from discovery to delivery to achieve an organisational step-change, from More ❯

Hybrid Role with 2 days per week onsite in Central London. Skillset required: * Data Pipeline Expertise: Extensive experience in designing and implementing scalable ETL/ELT data pipelines in Azure Databricks, transforming raw data into usable datasets for analysis. * Azure Databricks Proficiency: Strong knowledge of Spark (SQL, PySpark) for data transformation and processing within Databricks … along with experience building workflows and automation using Databricks Workflows. * Azure Data Services: Hands-on experience with Azure services like Azure Data Lake, Azure Blob Storage, and Azure Synapse for data storage, processing, and publication. * Data Governance & Security: Familiarity with managing data governance and security using Databricks Unity Catalog, ensuring data is appropriately organized … secured, and accessible to authorized users. * Optimization & Performance Tuning: Proven experience in optimizing data pipelines for performance, cost-efficiency, and scalability, including partitioning, caching, and tuning Spark jobs. * Cloud Architecture & Automation: Strong understanding of Azure cloud architecture, including best practices for infrastructure-as-code, automation, and monitoring in data environments. My client have limited interview slots and they More ❯

Hybrid Role with 2 days per week onsite in Central London. Skillset required: * Data Pipeline Expertise: Extensive experience in designing and implementing scalable ETL/ELT data pipelines in Azure Databricks, transforming raw data into usable datasets for analysis. * Azure Databricks Proficiency: Strong knowledge of Spark (SQL, PySpark) for data transformation and processing within Databricks … along with experience building workflows and automation using Databricks Workflows. * Azure Data Services: Hands-on experience with Azure services like Azure Data Lake, Azure Blob Storage, and Azure Synapse for data storage, processing, and publication. * Data Governance & Security: Familiarity with managing data governance and security using Databricks Unity Catalog, ensuring data is appropriately organized … secured, and accessible to authorized users. * Optimization & Performance Tuning: Proven experience in optimizing data pipelines for performance, cost-efficiency, and scalability, including partitioning, caching, and tuning Spark jobs. * Cloud Architecture & Automation: Strong understanding of Azure cloud architecture, including best practices for infrastructure-as-code, automation, and monitoring in data environments. My client have limited interview slots and they More ❯

systems to a modern, commercial off-the-shelf platform. The ideal candidate will possess strong domain knowledge of both active and passive fibre networks, along with practical experience in data mapping, migration planning, and system modernisation. This is a hands-on role requiring both technical expertise and a deep understanding of network inventory environments. Key Responsibilities: Conduct in-depth … analysis of legacy inventory systems (primarily home-grown) and support the phased migration. Identify data quality issues, inconsistencies, and recommend resolution strategies. Work closely with SMEs, data owners, and legacy system specialists to ensure smooth data transformation. Perform hands-on data analysis and support the design of new inventory structures. Engage regularly with internal and external … stakeholders, including engineering, operations, and IT teams. Contribute to the planning and delivery of fixed project milestones within a collaborative transformation team. Required Skills & Experience: Solid experience with both active and passive fibre network assets. Prior exposure to inventory management systems — experience with Comarch is highly desirable. Strong analytical background with the ability to work with SQL and data More ❯

systems to a modern, commercial off-the-shelf platform. The ideal candidate will possess strong domain knowledge of both active and passive fibre networks, along with practical experience in data mapping, migration planning, and system modernisation. This is a hands-on role requiring both technical expertise and a deep understanding of network inventory environments. Key Responsibilities: Conduct in-depth … analysis of legacy inventory systems (primarily home-grown) and support the phased migration. Identify data quality issues, inconsistencies, and recommend resolution strategies. Work closely with SMEs, data owners, and legacy system specialists to ensure smooth data transformation. Perform hands-on data analysis and support the design of new inventory structures. Engage regularly with internal and external … stakeholders, including engineering, operations, and IT teams. Contribute to the planning and delivery of fixed project milestones within a collaborative transformation team. Required Skills & Experience: Solid experience with both active and passive fibre network assets. Prior exposure to inventory management systems — experience with Comarch is highly desirable. Strong analytical background with the ability to work with SQL and data More ❯

systems to a modern, commercial off-the-shelf platform. The ideal candidate will possess strong domain knowledge of both active and passive fibre networks, along with practical experience in data mapping, migration planning, and system modernisation. This is a hands-on role requiring both technical expertise and a deep understanding of network inventory environments. Key Responsibilities: Conduct in-depth … analysis of legacy inventory systems (primarily home-grown) and support the phased migration. Identify data quality issues, inconsistencies, and recommend resolution strategies. Work closely with SMEs, data owners, and legacy system specialists to ensure smooth data transformation. Perform hands-on data analysis and support the design of new inventory structures. Engage regularly with internal and external … stakeholders, including engineering, operations, and IT teams. Contribute to the planning and delivery of fixed project milestones within a collaborative transformation team. Required Skills & Experience: Solid experience with both active and passive fibre network assets. Prior exposure to inventory management systems — experience with Comarch is highly desirable. Strong analytical background with the ability to work with SQL and data More ❯

with one of their customers. This is a new opportunity driven by client demand and project expansion. The ideal candidate will have a strong mix of business analysis experience, data profiling expertise, and stakeholder management skills. You will need experience working on customer journeys or digital projects. Key Responsibilities Manage and deliver 2-3 internal and/or client … facing data projects simultaneously Liaise directly with clients to gather requirements, document use cases, and map processes Work hands-on with new data sets - profiling and documenting data transformation requirements Create clear and precise documentation to support an India-based development team Collaborate with project stakeholders, developers, and senior business partners Support successful project delivery through … clear communication and proactive issue resolution What Success Looks Like Delivery of well-documented, high-quality analysis and data transformation requirements Positive engagement with stakeholders, particularly in challenging or ambiguous situations Contribution to successful scaling and ongoing client engagement Demonstrated self-sufficiency and initiative in managing workload and timelines Required Skills & Experience Strong experience in business analysis across More ❯

Data Analyst- Active SC + NPPV3 Clearance 3 months initially £ Market rate (Outside IR35) Primarily Remote (Must be UK based) My client is a major International Consultancy who urgently require a Senior Data Analyst with an active SC and NPPV3 Clearance to work with an end client. Key Requirements: Commercial experience as a Senior Data Analyst with … an active SC + NPPV3 Clearance Experience with Azure Data Factory for building and orchestrating data pipelines Experience with Databricks for Data transformation Experience with Azure Synapse Familiar with Azure Data Lake Active SC +NPPV3 Clearance Nice to have: Immediate availability What you need to do now If you're interested in this role, click More ❯

Data Platform Testing & Data Migration Team (Multiple Roles) We are hiring for several positions within our clients Data Platform Testing and Migration team to support key Data Platform and Data Migration initiatives within the Bank. These roles will be responsible for the planning, coordination, and execution of testing activities (including UAT, SIT, and Data Migration Testing) while ensuring data quality, integrity, and compliance with regulatory and organizational standards. The successful candidates will work closely with Business and Technology teams to deliver high-quality data solutions that meet project goals and business expectations. Key Responsibilities Test Strategy and Planning Contribute to the creation and documentation of end-to-end Test Strategies for … Data Platform and Data Migration programmes, ensuring alignment with project objectives and business needs. Develop and manage test plans covering Functional, System Integration (SIT), User Acceptance Testing (UAT), and Data Migration Testing phases. Identify testing risks and implement mitigation strategies. Test Execution and Defect Management Coordinate the full UAT lifecycle from planning to execution and stakeholder sign More ❯

day via umbrella Duration - 6/12 months initial Location - South London twice a month on site We're working with a leading financial services client undergoing a significant data transformation programme. They're looking for an experienced SAS Developer to get hands-on with moving datasets, analysing reports, and supporting the re-engineering of legacy data flows and policies. What you'll be doing: Supporting the migration and transformation of datasets across platforms Investigating and optimising data flows, processes, and legacy reporting structures Interrogating existing SAS code, reviewing policies and suggesting improvements Working closely with BA, architecture and infrastructure teams to align on data movement strategy Tech you'll need: SAS v9.4 … Enterprise Guide (EG) Base SAS Strong SQL skills Experience working within regulated/financial services environments preferred This is a great opportunity to be part of a large-scale transformation and make an immediate impact on business-critical data operations. Please apply in the link available if suitable. Reasonable Adjustments: Respect and equality are core values to us. More ❯

day via umbrella Duration - 6/12 months initial Location - South London twice a month on site We're working with a leading financial services client undergoing a significant data transformation programme. They're looking for an experienced SAS Developer to get hands-on with moving datasets, analysing reports, and supporting the re-engineering of legacy data flows and policies. What you'll be doing: Supporting the migration and transformation of datasets across platforms Investigating and optimising data flows, processes, and legacy reporting structures Interrogating existing SAS code, reviewing policies and suggesting improvements Working closely with BA, architecture and infrastructure teams to align on data movement strategy Tech you'll need: SAS v9.4 … Enterprise Guide (EG) Base SAS Strong SQL skills Experience working within regulated/financial services environments preferred This is a great opportunity to be part of a large-scale transformation and make an immediate impact on business-critical data operations. Please apply in the link available if suitable. Reasonable Adjustments: Respect and equality are core values to us. More ❯

Data Engineer - Active SC + NPPV3 Clearance Up to £550 per day (Outside IR35) 3 months initially Primarily Remote (Must be UK-based) My client is a major International Consultancy who urgently require Senior Data Engineers with active (SC) Security and NPPV3 Clearance to work with an end client. Key Requirements: Commercial experience as a Senior Data Engineer, with an active SC + NPPV3 Clearance Experience with Azure Data Factory for building and orchestrating data pipelines Experience with Databricks for Data transformation Experience with Azure Synapse Familiar with Azure Data Lake Active SC Clearance +NPPV3 Clearance Nice to have: Immediate availability Hays Specialist Recruitment Limited acts as an employment agency for More ❯

Data Engineer - Active SC + NPPV3 Clearance Up to £550 per day (Outside IR35) 3 months initially Primarily Remote (Must be UK-based) My client is a major International Consultancy who urgently require Senior Data Engineers with active (SC) Security and NPPV3 Clearance to work with an end client. Key Requirements: Commercial experience as a Senior Data Engineer, with an active SC + NPPV3 Clearance Experience with Azure Data Factory for building and orchestrating data pipelines Experience with Databricks for Data transformation Experience with Azure Synapse Familiar with Azure Data Lake Active SC Clearance +NPPV3 Clearance Nice to have: Immediate availability Hays Specialist Recruitment Limited acts as an employment agency for More ❯

potential extension) Rate: £450 - £525 a day IR35 Status: Inside IR35 Project Overview: This role would be working via a consultancy for a Central Government client working on a transformation programme delivering a data transformation plan and evolving programme delivery processes. The Change Manager will play a key role in shaping and delivering the change work across … both areas working with the central programme team and the data team to engage people, implement change in a structured way and in a way that reduces resistance. Key Responsibilities Change planning & delivery Lead the development of change plans across two areas: (a) central transformation workstreams, and (b) the data transformation programme Work with programme leads … to identify impacted processes, teams and roles and help design improved ways of working Support the delivery of improved governance, planning and engagement around programme processes (e.g. RAID, reporting) Data transformation change Own and deliver the change plan for the data transformation project Work closely with the data lead and team to embed new governance More ❯