Contract Data Validation Jobs in London

18 of 18 Contract Data Validation Jobs in London

Analytics Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
Position: Analytics Engineer Location: London (hybrid 3 times a week)Department: ITType: 3 months rolling contractOutside IR35 The client is seeking an experienced Analytics Engineer to join its Data & Analytics team. The role focuses on building scalable data pipelines, transforming raw data into clean, reusable datasets, and enabling data-driven decision-making. Key Responsibilities Design and … build data products, with proficiency throughout the data lifecycle. Develop robust data models through close collaboration with business users and the engineering team. Partner with senior management, operational leads, and other stakeholders, coaching and supporting a data-driven culture, including KPI definition and reporting frameworks. Accountable for data extraction, transforming JSON & XML, utlising high experience … within metadata management. Collaborate with data engineers to develop data, enrich product design and integrate data for predictive models or machine learning. Deliver well-defined, transformed, tested, documented, and code-reviewed datasets for analysis. Evaluate and recommend improvements in data flow, influencing and supporting architects and engineers. To work independently and to manage multiple data More ❯
Employment Type: Contractor
Rate: £300 - £350 per day
Posted:

Analytics Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
Analytics Engineer Location: London (hybrid 3 times a week) Department: IT Type: 3 months rolling contract Outside IR35 The client is seeking an experienced Analytics Engineer to join its Data & Analytics team. The role focuses on building scalable data pipelines, transforming raw data into clean, reusable datasets, and enabling data-driven decision-making. Key Responsibilities Design … and build data products, with proficiency throughout the data lifecycle. Develop robust data models through close collaboration with business users and the engineering team. Partner with senior management, operational leads, and other stakeholders, coaching and supporting a data-driven culture, including KPI definition and reporting frameworks. Accountable for data extraction, transforming JSON & XML, utlising high … experience within metadata management. Collaborate with data engineers to develop data, enrich product design and integrate data for predictive models or machine learning. Deliver well-defined, transformed, tested, documented, and code-reviewed datasets for analysis. Evaluate and recommend improvements in data flow, influencing and supporting architects and engineers. To work independently and to manage multiple data More ❯
Employment Type: Contract
Rate: £300 - £350/day
Posted:

Senior Data Engineer

City of London, London, United Kingdom
Adecco
Location - London, Bristol or Manchester (1 day a month onsite) Duration - 6 months Rate - £550 - £600pd (inside ir35) As a Data Engineer in the Cyber and Domains Protection Team you will: Work within an Agile team to support the development of dashboards and build automated reports to meet the needs of technical and non-technical users Work with the … data analyst and user researcher to update relevant data models to allow business intelligence data to meet the organisation's specific needs Develop business intelligence reports that can be automated, reused and shared with users directly Implement data flows to connect operational systems, data for analytics and business intelligence (BI) systems Build accessible data for analysis Deliver data solutions in accordance with agreed organisational standards that ensure services are resilient, scalable and future-proof Investigate problems in systems, processes and services This role aligns to the Data Analyst role in the Government Digital and Data Profession Capability Framework. At this role level, your skills include: Applying statistical and analytical tools More ❯
Employment Type: Contract
Rate: £550 - £600/day
Posted:

Senior Data Engineer

London, South East, England, United Kingdom
Adecco
Location - London, Bristol or Manchester (1 day a month onsite) Duration - 6 months Rate - £550 - £600pd (inside ir35) As a Data Engineer in the Cyber and Domains Protection Team you will: Work within an Agile team to support the development of dashboards and build automated reports to meet the needs of technical and non-technical users Work with the … data analyst and user researcher to update relevant data models to allow business intelligence data to meet the organisation's specific needs Develop business intelligence reports that can be automated, reused and shared with users directly Implement data flows to connect operational systems, data for analytics and business intelligence (BI) systems Build accessible data for analysis Deliver data solutions in accordance with agreed organisational standards that ensure services are resilient, scalable and future-proof Investigate problems in systems, processes and services This role aligns to the Data Analyst role in the Government Digital and Data Profession Capability Framework. At this role level, your skills include: Applying statistical and analytical tools More ❯
Employment Type: Contractor
Rate: £550 - £600 per day
Posted:

Property Data Validation Officer

London, United Kingdom
i-Jobs
Property Data Validation Officer Location: Hornton Street, W8 7NX Start Date: ASAP Contract Duration: 2+ Months Working Hours: Mon Fri, 09 00, 37 Hours per week Pay Rate: £ 23.20 per hour Job Ref: (phone number removed) Job Responsibilities Work with the Asset Management Team to produce and share property asset data for informed decision-making. Support the … Manager and team in collaborating with stakeholders to provide technical and administrative solutions for database and record management. Train and support users of Asset Information Systems to ensure consistent data collection and reporting. Maintain and improve data collection and reporting systems for statutory compliance in areas like Gas Safety and Fire Protection. Design and run reports using Power … Query, SQL, and other technologies. Gather, analyze, and share data including performance indicators and statistical data. Ensure accuracy and validation of data for statutory returns and stock options appraisal. Provide forecast outputs for stock condition and planned works in accessible formats. Develop planned work programs based on various data sources. Support compliance monitoring systems for health More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Mapping Audit resource

City of London, London, United Kingdom
InfinityQuest Ltd,
Role: - Mapping Audit resource Location: Anywhere in Ireland or the UK is fine (Remote) Duration: 3 months contract with possibility of renewal The ideal candidate has experience in data validation, content QA, or web operations, strong Excel/Google Sheets skills, and the ability to manage large datasets with precision. Familiarity with EA Help, Config App, or similar … QA/QV efforts for related Connect Flow initiatives. Identify recurring mapping issues and propose process or tooling improvements. Participate in weekly syncs to review progress, blockers, and upcoming validation batches. Skills and Experience Proven experience in data validation, content auditing, or quality assurance work (preferably within a digital or web environment). High attention to detail … with the ability to track and manage large datasets accurately. Proficiency with Excel or Google Sheets (filtering, conditional formatting, data cleanup). Comfort with comparing and analyzing structured data (e.g., URLs, metadata, content tags). Excellent written communication skills for documenting mismatches and reporting progress. Ability to work independently while maintaining alignment with multiple stakeholder teams. Familiarity with More ❯
Employment Type: Contract
Rate: £400 per day Inside IR35
Posted:

ETL/SQL/Azure Data Factory Test Lead - SDET - Outside IR35

East London, London, England, United Kingdom
Hybrid / WFH Options
Hays Specialist Recruitment Limited
Your new company One of the largest independent bodies handling complaints regarding financial matters Your new role ETL/SQL/Azure Data Factory Test Lead - SDET - Outside IR35 What you'll need to succeed My client is looking for an interim Test Lead with an excellent SDET (Software Development Engineer in Test) background, to join in an immediately … available for interview within 5 working days, with a target start date of November 10th 2025.You will bring the following skills/experience: Experience as an SDET consultant, supporting data platform testing initiatives Strong understanding of ETL processes - including data extraction, transformation, and loading Experience with database migration - validating and testing data movement across heterogeneous systems Hands … on testing experience with Azure Data Factory - including pipelines, triggers, and data flows Familiarity with Azure Synapse Analytics (formerly Azure Enterprise Data Warehouse) - understanding of data warehousing concepts and testing strategies Proficiency in advanced SQL and DocumentDB (Cosmos DB) queries - capable of writing, optimising, and troubleshooting complex queries for data validation Excellent communication skills More ❯
Employment Type: Contractor
Rate: £450 - £500 per day
Posted:

Pyspark Developer

London, United Kingdom
Queen Square Recruitment Ltd
potential extension) Start: ASAP Rate: Market rate - Inside IR35 We’re looking for experienced PySpark + Fabric Developers to join a major transformation programme with a leading global financial data and infrastructure organisation. This is an exciting opportunity to work on cutting-edge data engineering solutions, driving innovation and performance at scale. Key Responsibilities Design, build, and optimise … data pipelines for both batch and streaming workloads. Develop and manage dataflows and semantic models to support analytics and reporting. Implement complex data transformations, aggregations, and joins with a focus on performance and reliability. Apply robust data validation, cleansing, and profiling techniques to maintain accuracy. Enforce role-based access, data masking, and compliance standards. Tune … Strong hands-on experience with PySpark (RDDs, DataFrames, Spark SQL). Proven ability to build and optimise ETL pipelines and dataflows. Familiar with Microsoft Fabric or similar lakehouse/data platform environments. Experience with Git, CI/CD pipelines, and automated deployment. Knowledge of market data, transactional systems, or financial datasets. Excellent communication skills and collaborative mindset. Desirable More ❯
Employment Type: Contract
Rate: £400 - £450/day
Posted:

Data Entry Analyst - German Speaking

London, United Kingdom
Hays Technology
Your new role My client is looking for a German-speaking Data Entry Analyst. What you'll need to succeed Fluent in German. Familiarity with tools like Microsoft Excel, Word, Google Sheets, and data entry platforms or CRMs. Capable of managing large volumes of data, maintaining structured records, and following naming conventions. Able to spot inconsistencies, verify … data accuracy, and perform basic data validation or formatting. Understanding of data privacy principles and ability to handle sensitive information securely and ethically. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job More ❯
Employment Type: Contract
Rate: £30000 - £35000/annum 35000
Posted:

Data Entry Analyst - German Speaking

London, South East, England, United Kingdom
Hays Specialist Recruitment Limited
Your new role My client is looking for a German-speaking Data Entry Analyst. What you'll need to succeed Fluent in German. Familiarity with tools like Microsoft Excel, Word, Google Sheets, and data entry platforms or CRMs. Capable of managing large volumes of data, maintaining structured records, and following naming conventions. Able to spot inconsistencies, verify … data accuracy, and perform basic data validation or formatting. Understanding of data privacy principles and ability to handle sensitive information securely and ethically. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.If this job isn More ❯
Employment Type: Contractor
Rate: £30,000 - £35,000 per annum
Posted:

Automation QA Engineer- Insurance

London, South East, England, United Kingdom
Lorien
to define automation requirements and ensure comprehensive test coverage. Propose and implement strategies to improve automation speed, accuracy, and reliability. Participate in new QA initiatives, including AI-driven testing, data validation automation, and continuous integration enhancements. Contribute to establishing best practices, coding standards, and reusable components for automation. Identify and mitigate risks in the automation lifecycle, ensuring consistent … scripting skills in C# or Java Experience with CI/CD pipelines (Jenkins, GitHub Actions, or Azure DevOps). Exposure to API testing tools (Postman, RestAssured, ). Experience in data-driven testing and validation across complex systems or insurance applications. Strong understanding of SDLC, STLC, and QA best practices. Experience in improving and maintaining automation frameworks to support More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Test Analyst

City of London, London, England, United Kingdom
Hybrid / WFH Options
INTEC SELECT LIMITED
Senior Test Analyst to join a strategic system upgrade programme within a leading financial services organisation. This role focuses on upgrading the Algo Collateral Management System, ensuring robust interface validation and seamless system integration across key business and technology functions. Role & Responsibilities: Develop and execute detailed test plans, cases, and scripts for the system upgrade. Validate inbound and outbound … interfaces, ensuring data integrity and functional accuracy. Collaborate with business analysts, developers, and project managers to define and test requirements. Conduct System Integration Testing (SIT) and support User Acceptance Testing (UAT). Identify, document, and manage defects using tools such as JIRA. Ensure compliance with internal QA standards and contribute to test reporting and sign-off. Essential Skills & Requirements … Analyst on complex system upgrade or integration projects. Strong knowledge of system testing methodologies and tools. Experience testing interfaces (file-based and API integrations). Proficiency with SQL for data validation and backend testing. Solid understanding of collateral management, settlements, or post-trade processing within financial services. Prior experience with SmartStream or Algo Collateral systems highly desirable. Excellent More ❯
Employment Type: Contractor
Rate: £550 - £640 per day
Posted:

Senior Test Analyst - Collateral Management, Algo

London, South East, England, United Kingdom
Harvey Nash
and execute comprehensive system test plans, test cases, and test scripts aligned with the upgrade scope. Validate the incoming and outgoing interfaces of the new SmartStream Algo system, ensuring data integrity and functional accuracy. Collaborate with business analysts, developers, and project managers to understand requirements and translate them into test scenarios. Perform system integration testing (SIT) and support user … practices. Experience testing interfaces (inbound/outbound), including file-based and API integrations. Familiarity with test management tools such as JIRA. Ability to write and execute SQL queries for data validation and backend testing. Financial Services Experience: Solid understanding of collateral management, settlements, or post-trade processing in a financial services environment. Experience working with SmartStream or Algo More ❯
Employment Type: Contractor
Rate: £600 - £640 per day
Posted:

Senior Test Analyst - Collateral Management, Algo

City of London, London, United Kingdom
Harvey Nash
and execute comprehensive system test plans, test cases, and test scripts aligned with the upgrade scope. Validate the incoming and outgoing interfaces of the new SmartStream Algo system, ensuring data integrity and functional accuracy. Collaborate with business analysts, developers, and project managers to understand requirements and translate them into test scenarios. Perform system integration testing (SIT) and support user … practices. Experience testing interfaces (inbound/outbound), including file-based and API integrations. Familiarity with test management tools such as JIRA. Ability to write and execute SQL queries for data validation and backend testing. Financial Services Experience: Solid understanding of collateral management, settlements, or post-trade processing in a financial services environment. Experience working with SmartStream or Algo More ❯
Employment Type: Contract
Rate: £600 - £640/day
Posted:

Fixed Income Front Office QA Automation Engineer

London, South East, England, United Kingdom
Adecco
and CI/CD tools such as Bitbucket, Bamboo, or Jenkins Strong understanding of Fixed Income products and E-trading systems such as Bloomberg, Tradeweb, MarketAxess, or ION Strong data validation and SQL skills Excellent communication, analytical, and stakeholder management abilities If you have a passion for automation, strong technical skills, and experience working with front-office trading More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

SC Cleared Test Lead

London, South East, England, United Kingdom
Atrium Workforce Solutions Ltd
. Desirable: Exposure to test automation tools (e.g., Selenium, Cypress, Playwright). Experience in API testing and tools such as Postman or REST Assured. Basic understanding of SQL and data validation. Familiarity with Agile/Scrum delivery environments. ISTQB Advanced Level Test Analyst/Test Manager certification (or equivalent). Please feel free to contact myself – Daisy Nguyen at More ❯
Employment Type: Contractor
Rate: £465 per day
Posted:

System Tester

City of London, London, United Kingdom
ARM
and execute comprehensive system test plans, test cases, and test scripts aligned with the upgrade scope. Validate the incoming and outgoing interfaces of the new SmartStream Algo system, ensuring data integrity and functional accuracy. Collaborate with business analysts, developers, and project managers to understand requirements and translate them into test scenarios. Perform system integration testing (SIT) and support user … practices. Experience testing interfaces (inbound/outbound), including file-based and API integrations. Familiarity with test management tools such as JIRA. Ability to write and execute SQL queries for data validation and backend testing. Financial Services Experience: Solid understanding of collateral management, settlements, or post-trade processing in a financial services environment. Experience working with SmartStream or Algo More ❯
Employment Type: Contract
Rate: £485 - £535/day Inside IR35
Posted:

.Net developer

London, South East, England, United Kingdom
eTeam Inc
trading, inventory management, and regulatory reporting • Build complex business logic for RINS credit calculations, LCFS compliance, and carbon credit trading • Work with PostgreSQL databases and Entity Framework Core for data persistence • Implement authentication and authorization using Azure Active Directory and Microsoft Identity Platform • Develop email workflow systems and automated reporting for regulatory compliance • Create scheduled background jobs using Quartz.NET … for data processing and calculations • Integrate with Microsoft Graph API for SharePoint document management via Azure MS Graph • Build real-time features using SignalR for live trading updates • Implement data validation using FluentValidation • Work with Docker and OpenShift for containerized deployments Required Technical Skills • 5+ years of experience with .NET development (C#, ASP.NET Core) • Strong experience with … in energy trading or financial systems • Knowledge of environmental compliance and carbon credit markets • Familiarity with LCFS, RFS, or RINS regulatory frameworks • Experience with Azure cloud services • Knowledge of data processing and complex calculations • Experience with Testcontainers for integration testing Business Domain Knowledge • Understanding of biogas and renewable natural gas (RNG) markets • Knowledge of carbon credit trading and environmental More ❯
Employment Type: Contractor
Rate: £280 - £297 per day
Posted:
Data Validation
London
10th Percentile
£363
25th Percentile
£425
Median
£500
75th Percentile
£638
90th Percentile
£695