Data Quality Contract Job Trends in the City of London

Data Quality
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring Data Quality skills. It covers contract job vacancies from the 6 months leading up to 19 December 2025, with comparisons to the same periods in the previous two years.

6 months to
19 Dec 2025
Same period 2024 Same period 2023
Rank 54 75 65
Rank change year-on-year +21 -10 +59
Contract jobs citing Data Quality 79 51 78
As % of all contract jobs in the City of London 4.35% 2.47% 3.05%
As % of the Quality Assurance & Compliance category 20.73% 15.94% 18.66%
Number of daily rates quoted 61 28 57
10th Percentile £313 £413 £513
25th Percentile £363 £488 £550
Median daily rate (50th Percentile) £475 £581 £588
Median % change year-on-year -18.28% -1.06% -1.05%
75th Percentile £631 £728 £720
90th Percentile £738 £762 £774
Central London median daily rate £483 £581 £605
% change year-on-year -16.99% -3.93% +5.22%
Number of hourly rates quoted 1 0 0
10th Percentile - - -
25th Percentile £26.50 - -
Median hourly rate £28.00 - -
75th Percentile £29.50 - -
90th Percentile - - -
Central London median hourly rate £28.00 £35.00 -
% change year-on-year -20.00% - -

All Quality Assurance and Compliance Skills
City of London

Data Quality falls under the Quality Assurance and Compliance category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring quality assurance or compliance skills in the City of London.

Contract vacancies with a requirement for quality assurance or compliance skills 381 320 418
As % of all contract IT jobs advertised in the City of London 20.96% 15.53% 16.36%
Number of daily rates quoted 268 172 299
10th Percentile £325 £348 £400
25th Percentile £413 £450 £498
Median daily rate (50th Percentile) £525 £575 £575
Median % change year-on-year -8.70% - -1.50%
75th Percentile £675 £675 £688
90th Percentile £825 £775 £778
Central London median daily rate £525 £563 £584
% change year-on-year -6.67% -3.64% +1.52%
Number of hourly rates quoted 4 0 1
10th Percentile £26.52 - -
25th Percentile £26.55 - £71.25
Median hourly rate £31.00 - £72.50
Median % change year-on-year - - +271.79%
75th Percentile £40.81 - £73.75
90th Percentile £50.38 - -
Central London median hourly rate £28.00 £35.00 £72.50
% change year-on-year -20.00% -51.72% +271.79%

Data Quality
Job Vacancy Trend in the City of London

Historical trend showing the proportion of contract IT job postings citing Data Quality relative to all contract IT jobs advertised in the City of London.

Data Quality job vacancy trend in the City of London

Data Quality
Daily Rate Trend in the City of London

Contractor daily rate distribution trend for jobs in the City of London citing Data Quality.

Contractor daily rate distribution trend for jobs in the City of London citing Data Quality

Data Quality
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Data Quality in the City of London over the 6 months to 19 December 2025.

Daily rate histogram for Data Quality in the City of London

Data Quality
Hourly Rate Trend in the City of London

Contractor hourly rate distribution trend for jobs in the City of London citing Data Quality.

Contractor hourly rate distribution trend for jobs in the City of London citing Data Quality

Data Quality
Co-Occurring Skills & Capabilities in the City of London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 7 (8.86%) Apache Airflow
2 5 (6.33%) Apache Spark
3 2 (2.53%) Apache
4 1 (1.27%) Confluence
4 1 (1.27%) Luigi
Applications
1 13 (16.46%) Microsoft Excel
2 3 (3.80%) Microsoft PowerPoint
3 2 (2.53%) Microsoft Office
4 1 (1.27%) Microsoft Project
4 1 (1.27%) MS Visio
Business Applications
1 6 (7.59%) SAP S/4HANA
2 1 (1.27%) Aladdin
2 1 (1.27%) Dynamics CRM
2 1 (1.27%) Maximo
2 1 (1.27%) SAP ERP
2 1 (1.27%) SAP MM
2 1 (1.27%) Sparx Enterprise Architect
Cloud Services
1 22 (27.85%) AWS
1 22 (27.85%) Azure
2 15 (18.99%) Power Platform
3 12 (15.19%) Snowflake
4 7 (8.86%) Amazon S3
4 7 (8.86%) GCP
5 6 (7.59%) Azure Data Factory
5 6 (7.59%) dbt
6 5 (6.33%) Azure Synapse Analytics
7 4 (5.06%) Azure DevOps
7 4 (5.06%) Serverless
8 3 (3.80%) AWS Lambda
8 3 (3.80%) Collibra
8 3 (3.80%) GitHub
8 3 (3.80%) Microsoft Purview
9 2 (2.53%) Azure Functions
9 2 (2.53%) Azure Logic Apps
9 2 (2.53%) Azure Storage
9 2 (2.53%) GitHub Actions
10 1 (1.27%) Figma
Communications & Networking
1 1 (1.27%) Hyperconnected
Database & Business Intelligence
1 18 (22.78%) Data Warehouse
2 14 (17.72%) Power BI
3 10 (12.66%) Metadata
4 8 (10.13%) Relational Database
5 5 (6.33%) Amazon QuickSight
6 4 (5.06%) Data Lake
6 4 (5.06%) DataStage
6 4 (5.06%) Snowflake Schema
6 4 (5.06%) Tableau
7 3 (3.80%) Amazon Redshift
7 3 (3.80%) MySQL
7 3 (3.80%) SQL Server
7 3 (3.80%) Star Schema
8 2 (2.53%) Amazon Athena
8 2 (2.53%) Big Data
8 2 (2.53%) Data Hub
8 2 (2.53%) Delta Lake
8 2 (2.53%) Hadoop
8 2 (2.53%) PostgreSQL
8 2 (2.53%) SQL Server Integration Services
Development Applications
1 12 (15.19%) Git
2 3 (3.80%) Jenkins
2 3 (3.80%) JIRA
3 1 (1.27%) ERwin
3 1 (1.27%) PowerDesigner
General
1 40 (50.63%) Finance
2 29 (36.71%) Social Skills
3 17 (21.52%) Analytical Skills
4 13 (16.46%) Banking
5 6 (7.59%) Public Sector
6 3 (3.80%) Financial Institution
6 3 (3.80%) Inclusion and Diversity
6 3 (3.80%) Investment Banking
7 2 (2.53%) Law
7 2 (2.53%) Legal
7 2 (2.53%) Retail
8 1 (1.27%) Back Office
8 1 (1.27%) Front Office
8 1 (1.27%) Influencing Skills
8 1 (1.27%) Marketing
8 1 (1.27%) Organisational Skills
8 1 (1.27%) Pharmaceutical
8 1 (1.27%) Presentation Skills
Job Titles
1 23 (29.11%) Data Engineer
2 22 (27.85%) Analyst
3 14 (17.72%) Data Analyst
4 8 (10.13%) Business Analyst
5 6 (7.59%) Architect
5 6 (7.59%) Data Architect
6 5 (6.33%) Data Manager
6 5 (6.33%) Developer
6 5 (6.33%) Senior
7 4 (5.06%) Financial Analyst
7 4 (5.06%) Lead
7 4 (5.06%) Senior Data Engineer
8 3 (3.80%) AWS Data Engineer
8 3 (3.80%) AWS Engineer
8 3 (3.80%) Banking Analyst
8 3 (3.80%) Data Modeller
9 2 (2.53%) Azure Architect
9 2 (2.53%) Azure Data Architect
9 2 (2.53%) Data Business Analyst
9 2 (2.53%) Lead Data Engineer
Libraries, Frameworks & Software Standards
1 7 (8.86%) XML
2 5 (6.33%) Kafka
2 5 (6.33%) PySpark
3 3 (3.80%) CSS
3 3 (3.80%) Flask
3 3 (3.80%) HTML
3 3 (3.80%) JSON
3 3 (3.80%) Pandas
4 2 (2.53%) REST
5 1 (1.27%) .NET
5 1 (1.27%) ADO
5 1 (1.27%) AWS CDK
5 1 (1.27%) EDI
5 1 (1.27%) Oracle Fusion
5 1 (1.27%) SAP Fiori
5 1 (1.27%) SOAP
5 1 (1.27%) Spring Boot
5 1 (1.27%) XSLT
5 1 (1.27%) YAML
Miscellaneous
1 5 (6.33%) Data Structures
1 5 (6.33%) Legacy Systems
2 4 (5.06%) Cloud Native
3 3 (3.80%) Analytical Mindset
3 3 (3.80%) CMDB
4 2 (2.53%) Data Fabric
4 2 (2.53%) Equities
4 2 (2.53%) Reference Data
4 2 (2.53%) Reinsurance
4 2 (2.53%) Virtual Team
5 1 (1.27%) Distributed Computing
5 1 (1.27%) Enterprise Cloud
5 1 (1.27%) Fixed Income
5 1 (1.27%) Greenfield Project
5 1 (1.27%) Hybrid Cloud
5 1 (1.27%) IoT
5 1 (1.27%) Onboarding
5 1 (1.27%) Pricing Data
5 1 (1.27%) Product Ownership
5 1 (1.27%) Replication
Operating Systems
1 1 (1.27%) Unix
Processes & Methodologies
1 33 (41.77%) Data Modelling
2 29 (36.71%) Data Governance
3 27 (34.18%) Analytics
3 27 (34.18%) ETL
4 20 (25.32%) Business Intelligence
4 20 (25.32%) Data Pipeline
4 20 (25.32%) Migration
4 20 (25.32%) Problem-Solving
5 19 (24.05%) Data Analysis
6 15 (18.99%) Data Integration
7 13 (16.46%) Data Migration
7 13 (16.46%) Stakeholder Engagement
8 12 (15.19%) Actionable Insight
8 12 (15.19%) Agile
8 12 (15.19%) AI
8 12 (15.19%) CI/CD
8 12 (15.19%) Decision-Making
8 12 (15.19%) Stakeholder Management
9 11 (13.92%) Validation
9 11 (13.92%) Visualisation
Programming Languages
1 38 (48.10%) SQL
2 29 (36.71%) Python
3 5 (6.33%) Data Analysis Expressions
3 5 (6.33%) Java
4 4 (5.06%) JavaScript
5 3 (3.80%) PL/SQL
5 3 (3.80%) R
6 1 (1.27%) C#
6 1 (1.27%) C++
6 1 (1.27%) Scala
6 1 (1.27%) T-SQL
Qualifications
1 10 (12.66%) Security Cleared
2 7 (8.86%) Degree
2 7 (8.86%) SC Cleared
3 2 (2.53%) AWS Certification
3 2 (2.53%) Computer Science Degree
4 1 (1.27%) CFA
4 1 (1.27%) DBS Check
4 1 (1.27%) PMI Certification
4 1 (1.27%) PMP
4 1 (1.27%) TOGAF Certification
Quality Assurance & Compliance
1 6 (7.59%) GDPR
2 4 (5.06%) QA
3 2 (2.53%) Actionable Recommendations
3 2 (2.53%) Basel III
3 2 (2.53%) PMO
4 1 (1.27%) Dodd-Frank
4 1 (1.27%) EMIR
4 1 (1.27%) NIST
4 1 (1.27%) SLA
System Software
1 3 (3.80%) Docker
Systems Management
1 4 (5.06%) Terraform
Vendors
1 17 (21.52%) Microsoft
2 15 (18.99%) Databricks
3 6 (7.59%) Oracle
3 6 (7.59%) SAP
4 4 (5.06%) Informatica
4 4 (5.06%) ServiceNow
5 3 (3.80%) Bloomberg
5 3 (3.80%) Cloudera
6 2 (2.53%) Salesforce
6 2 (2.53%) Talend
7 1 (1.27%) Adobe
7 1 (1.27%) BMC
7 1 (1.27%) IBM
7 1 (1.27%) Marketo
7 1 (1.27%) Palantir
7 1 (1.27%) Sparx
7 1 (1.27%) VMware
7 1 (1.27%) Workday
7 1 (1.27%) Zerto