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 3 November 2025, with comparisons to the same periods in the previous two years.

6 months to
3 Nov 2025
Same period 2024 Same period 2023
Rank 51 78 80
Rank change year-on-year +27 +2 +49
Contract jobs citing Data Quality 72 49 67
As % of all contract jobs in the City of London 4.26% 2.34% 2.40%
As % of the Quality Assurance & Compliance category 20.57% 14.37% 15.37%
Number of daily rates quoted 55 30 50
10th Percentile £313 £360 £546
25th Percentile £405 £469 £550
Median daily rate (50th Percentile) £500 £556 £625
Median % change year-on-year -10.11% -11.00% +6.38%
75th Percentile £625 £675 £733
90th Percentile £765 £781 £788
Central London median daily rate £500 £550 £650
% change year-on-year -9.09% -15.38% +15.56%
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 350 341 436
As % of all contract IT jobs advertised in the City of London 20.72% 16.28% 15.62%
Number of daily rates quoted 254 192 325
10th Percentile £327 £350 £400
25th Percentile £414 £463 £495
Median daily rate (50th Percentile) £539 £563 £580
Median % change year-on-year -4.22% -3.02% -1.28%
75th Percentile £685 £675 £695
90th Percentile £827 £750 £788
Central London median daily rate £550 £550 £584
% change year-on-year - -5.78% +1.08%
Number of hourly rates quoted 5 0 1
10th Percentile £26.53 - -
25th Percentile £26.57 - £71.25
Median hourly rate £34.00 - £72.50
Median % change year-on-year - - +271.79%
75th Percentile £56.75 - £73.75
90th Percentile £75.95 - -
Central London median hourly rate £34.48 £35.00 £72.50
% change year-on-year -1.49% -51.72% +137.70%

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 3 November 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 6 (8.33%) Apache Airflow
2 4 (5.56%) Apache Spark
3 1 (1.39%) Apache
3 1 (1.39%) Luigi
3 1 (1.39%) SharePoint
Applications
1 13 (18.06%) Microsoft Excel
2 3 (4.17%) Microsoft PowerPoint
3 2 (2.78%) Microsoft Office
3 2 (2.78%) Microsoft Project
4 1 (1.39%) MS Visio
Business Applications
1 1 (1.39%) Aladdin
1 1 (1.39%) Dynamics CRM
1 1 (1.39%) SAP MDG
1 1 (1.39%) Sparx Enterprise Architect
Cloud Services
1 21 (29.17%) AWS
2 19 (26.39%) Azure
3 10 (13.89%) Power Platform
3 10 (13.89%) Snowflake
4 8 (11.11%) Collibra
5 7 (9.72%) Amazon S3
6 6 (8.33%) GCP
6 6 (8.33%) Microsoft Purview
7 5 (6.94%) dbt
8 4 (5.56%) GitHub
9 3 (4.17%) AWS Lambda
9 3 (4.17%) Azure Data Factory
9 3 (4.17%) Azure DevOps
9 3 (4.17%) GitHub Actions
9 3 (4.17%) Serverless
10 2 (2.78%) Azure Logic Apps
10 2 (2.78%) Azure Synapse Analytics
10 2 (2.78%) Cloud Composer
10 2 (2.78%) Cloud Functions
10 2 (2.78%) Google Kubernetes Engine
Database & Business Intelligence
1 18 (25.00%) Data Warehouse
2 9 (12.50%) Metadata
2 9 (12.50%) Power BI
3 8 (11.11%) Relational Database
4 6 (8.33%) Data Lake
5 5 (6.94%) Amazon QuickSight
6 4 (5.56%) Delta Lake
6 4 (5.56%) SQL Server
7 3 (4.17%) Amazon Redshift
7 3 (4.17%) Big Data
7 3 (4.17%) DataStage
7 3 (4.17%) MySQL
7 3 (4.17%) Star Schema
7 3 (4.17%) Tableau
8 2 (2.78%) BigQuery
8 2 (2.78%) Data Hub
8 2 (2.78%) PostgreSQL
8 2 (2.78%) Power Query
8 2 (2.78%) Snowflake Schema
8 2 (2.78%) SQL Server Integration Services
Development Applications
1 9 (12.50%) Git
2 3 (4.17%) Jenkins
3 2 (2.78%) JIRA
4 1 (1.39%) CircleCI
4 1 (1.39%) ERwin
4 1 (1.39%) PowerDesigner
General
1 33 (45.83%) Finance
2 20 (27.78%) Social Skills
3 15 (20.83%) Analytical Skills
4 13 (18.06%) Banking
5 5 (6.94%) Public Sector
6 3 (4.17%) Financial Institution
7 2 (2.78%) Presentation Skills
7 2 (2.78%) Retail
8 1 (1.39%) Back Office
8 1 (1.39%) Inclusion and Diversity
8 1 (1.39%) Influencing Skills
8 1 (1.39%) Investment Banking
8 1 (1.39%) Law
8 1 (1.39%) Legal
8 1 (1.39%) Marketing
8 1 (1.39%) Military
8 1 (1.39%) Organisational Skills
Job Titles
1 22 (30.56%) Data Engineer
2 21 (29.17%) Analyst
3 14 (19.44%) Data Analyst
4 7 (9.72%) Architect
4 7 (9.72%) Business Analyst
5 6 (8.33%) Data Architect
5 6 (8.33%) Senior
6 5 (6.94%) Data Manager
6 5 (6.94%) Developer
6 5 (6.94%) Lead
7 4 (5.56%) Financial Analyst
7 4 (5.56%) Senior Data Engineer
8 3 (4.17%) Azure Data Engineer
8 3 (4.17%) Azure Engineer
8 3 (4.17%) Data Business Analyst
8 3 (4.17%) Data Modeller
8 3 (4.17%) Solutions Architect
9 2 (2.78%) AWS Engineer
9 2 (2.78%) Pricing Data Analyst
9 2 (2.78%) SaaS Architect
Libraries, Frameworks & Software Standards
1 5 (6.94%) Kafka
1 5 (6.94%) XML
2 4 (5.56%) PySpark
3 3 (4.17%) CSS
3 3 (4.17%) Flask
3 3 (4.17%) HTML
3 3 (4.17%) Pandas
4 1 (1.39%) .NET
4 1 (1.39%) ADO
4 1 (1.39%) AWS CDK
4 1 (1.39%) JSON
4 1 (1.39%) Node.js
4 1 (1.39%) Oracle Fusion
4 1 (1.39%) REST
4 1 (1.39%) Spring Boot
Miscellaneous
1 4 (5.56%) Cloud Native
1 4 (5.56%) Reinsurance
2 3 (4.17%) Analytical Mindset
2 3 (4.17%) Onboarding
2 3 (4.17%) Pricing Data
3 2 (2.78%) Data Structures
3 2 (2.78%) Legacy Systems
3 2 (2.78%) Virtual Team
4 1 (1.39%) CMDB
4 1 (1.39%) Data Fabric
4 1 (1.39%) Enterprise Cloud
4 1 (1.39%) FMCG
4 1 (1.39%) Greenfield Project
4 1 (1.39%) Hedge funds
4 1 (1.39%) IoT
4 1 (1.39%) Product Ownership
4 1 (1.39%) Public Cloud
4 1 (1.39%) Reference Data
Operating Systems
1 1 (1.39%) Unix
Processes & Methodologies
1 31 (43.06%) Data Modelling
2 28 (38.89%) Data Governance
3 25 (34.72%) ETL
4 24 (33.33%) Analytics
5 20 (27.78%) Data Analysis
6 18 (25.00%) Business Intelligence
7 15 (20.83%) Data Pipeline
7 15 (20.83%) Migration
7 15 (20.83%) Problem-Solving
8 14 (19.44%) Data Integration
9 13 (18.06%) Agile
9 13 (18.06%) AI
10 12 (16.67%) Stakeholder Engagement
11 11 (15.28%) Data Engineering
11 11 (15.28%) Data Migration
11 11 (15.28%) Decision-Making
12 10 (13.89%) CI/CD
12 10 (13.89%) Data Cleansing
12 10 (13.89%) Data Transformation
13 9 (12.50%) Visualisation
Programming Languages
1 38 (52.78%) SQL
2 28 (38.89%) Python
3 6 (8.33%) Java
4 4 (5.56%) Scala
5 3 (4.17%) Data Analysis Expressions
5 3 (4.17%) JavaScript
6 2 (2.78%) PL/SQL
6 2 (2.78%) VBA
7 1 (1.39%) C#
7 1 (1.39%) Kotlin
7 1 (1.39%) R
7 1 (1.39%) TypeScript
Qualifications
1 8 (11.11%) Degree
2 7 (9.72%) Security Cleared
3 6 (8.33%) SC Cleared
4 3 (4.17%) Computer Science Degree
5 2 (2.78%) AWS Certification
6 1 (1.39%) ACCA
6 1 (1.39%) CIMA
6 1 (1.39%) TOGAF Certification
Quality Assurance & Compliance
1 5 (6.94%) GDPR
2 3 (4.17%) QA
3 2 (2.78%) PMO
4 1 (1.39%) Actionable Recommendations
4 1 (1.39%) California Consumer Privacy Act
4 1 (1.39%) Dodd-Frank
4 1 (1.39%) EMIR
4 1 (1.39%) SLA
System Software
1 3 (4.17%) Docker
Systems Management
1 7 (9.72%) Terraform
2 3 (4.17%) Kubernetes
3 1 (1.39%) Grafana
3 1 (1.39%) Prometheus
Vendors
1 16 (22.22%) Microsoft
2 11 (15.28%) Databricks
3 8 (11.11%) Informatica
4 5 (6.94%) Oracle
5 3 (4.17%) Bloomberg
5 3 (4.17%) Cloudera
6 2 (2.78%) Google
6 2 (2.78%) Talend
7 1 (1.39%) Adobe
7 1 (1.39%) Marketo
7 1 (1.39%) PeopleSoft
7 1 (1.39%) Salesforce
7 1 (1.39%) SAP
7 1 (1.39%) ServiceNow
7 1 (1.39%) Sparx
7 1 (1.39%) Workday