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 1 February 2026, with comparisons to the same periods in the previous two years.

6 months to
1 Feb 2026
Same period 2025 Same period 2024
Rank 51 71 60
Rank change year-on-year +20 -11 +61
Contract jobs citing Data Quality 81 50 72
As % of all contract jobs in the City of London 4.33% 2.67% 2.95%
As % of the Quality Assurance & Compliance category 20.35% 16.78% 18.14%
Number of daily rates quoted 58 26 53
10th Percentile £313 £413 £513
25th Percentile £369 £469 -
Median daily rate (50th Percentile) £473 £581 £550
Median % change year-on-year -18.71% +5.68% -8.33%
75th Percentile £584 £685 £680
90th Percentile £725 £747 £743
Central London median daily rate £475 £581 £563
% change year-on-year -18.28% +3.33% -2.17%
Number of hourly rates quoted 2 0 0
10th Percentile £18.16 - -
25th Percentile £19.55 - -
Median hourly rate £22.62 - -
75th Percentile £26.43 - -
90th Percentile £28.27 - -
Central London median hourly rate £22.62 £35.00 -
% change year-on-year -35.39% - -

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 398 298 397
As % of all contract IT jobs advertised in the City of London 21.27% 15.94% 16.25%
Number of daily rates quoted 261 163 292
10th Percentile £363 £313 £400
25th Percentile £420 £425 £475
Median daily rate (50th Percentile) £525 £563 £550
Median % change year-on-year -6.67% +2.27% -8.33%
75th Percentile £675 £675 £675
90th Percentile £825 £775 £750
Central London median daily rate £525 £550 £551
% change year-on-year -4.55% -0.18% -5.00%
Number of hourly rates quoted 4 0 2
10th Percentile £20.01 - £25.05
25th Percentile £24.18 - £32.75
Median hourly rate £27.29 - £46.55
Median % change year-on-year - - +138.73%
75th Percentile £31.00 - £60.64
90th Percentile £33.70 - £68.50
Central London median hourly rate £26.11 £28.75 £46.55
% change year-on-year -9.18% -38.24% +138.73%

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 1 February 2026.

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 9 (11.11%) Apache Airflow
2 5 (6.17%) Apache Spark
3 2 (2.47%) Apache
4 1 (1.23%) Confluence
4 1 (1.23%) SharePoint
Applications
1 9 (11.11%) Microsoft Excel
2 3 (3.70%) Microsoft PowerPoint
3 2 (2.47%) MS Visio
4 1 (1.23%) Microsoft Project
4 1 (1.23%) Spreadsheet
Business Applications
1 7 (8.64%) SAP S/4HANA
2 1 (1.23%) Aladdin
2 1 (1.23%) Dynamics CRM
2 1 (1.23%) Maximo
2 1 (1.23%) SAP ERP
2 1 (1.23%) SAP MM
2 1 (1.23%) Sparx Enterprise Architect
Cloud Services
1 26 (32.10%) Azure
2 25 (30.86%) AWS
3 16 (19.75%) Power Platform
4 10 (12.35%) Snowflake
5 9 (11.11%) Azure Data Factory
5 9 (11.11%) GCP
6 8 (9.88%) Amazon S3
7 7 (8.64%) dbt
7 7 (8.64%) Serverless
8 6 (7.41%) AWS Lambda
9 5 (6.17%) Azure Synapse Analytics
9 5 (6.17%) Microsoft Purview
10 4 (4.94%) Collibra
11 3 (3.70%) Azure DevOps
12 2 (2.47%) Amazon EventBridge
12 2 (2.47%) Azure Functions
12 2 (2.47%) Azure Logic Apps
12 2 (2.47%) Azure Storage
12 2 (2.47%) Power Automate
12 2 (2.47%) Textract
Communications & Networking
1 1 (1.23%) Hyperconnected
Database & Business Intelligence
1 19 (23.46%) Metadata
2 17 (20.99%) Data Warehouse
3 16 (19.75%) Power BI
4 5 (6.17%) Data Lake
4 5 (6.17%) Relational Database
4 5 (6.17%) SQL Server
5 4 (4.94%) Amazon Redshift
5 4 (4.94%) MySQL
5 4 (4.94%) Snowflake Schema
6 3 (3.70%) Amazon QuickSight
6 3 (3.70%) Star Schema
6 3 (3.70%) Tableau
7 2 (2.47%) Amazon Athena
7 2 (2.47%) CockroachDB
7 2 (2.47%) DataStage
7 2 (2.47%) DynamoDB
7 2 (2.47%) OLAP
7 2 (2.47%) Oracle OLAP
7 2 (2.47%) PostgreSQL
7 2 (2.47%) SQL Server Integration Services
Development Applications
1 10 (12.35%) Git
2 4 (4.94%) JIRA
3 3 (3.70%) Jenkins
4 2 (2.47%) ERwin
5 1 (1.23%) MLflow
5 1 (1.23%) PowerDesigner
General
1 35 (43.21%) Finance
2 27 (33.33%) Social Skills
3 18 (22.22%) Analytical Skills
4 16 (19.75%) Banking
5 5 (6.17%) Public Sector
6 3 (3.70%) Inclusion and Diversity
6 3 (3.70%) Investment Banking
6 3 (3.70%) Retail
7 2 (2.47%) Financial Institution
7 2 (2.47%) Law
7 2 (2.47%) Legal
8 1 (1.23%) Documentation Skills
8 1 (1.23%) Front Office
8 1 (1.23%) Marketing
8 1 (1.23%) Organisational Skills
8 1 (1.23%) Pharmaceutical
8 1 (1.23%) Presentation Skills
Job Titles
1 25 (30.86%) Data Engineer
2 16 (19.75%) Analyst
3 11 (13.58%) Data Analyst
4 6 (7.41%) Architect
4 6 (7.41%) Data Architect
5 5 (6.17%) Business Analyst
5 5 (6.17%) Consultant
5 5 (6.17%) Lead
6 4 (4.94%) Data Modeller
6 4 (4.94%) Senior
7 3 (3.70%) Banking Analyst
7 3 (3.70%) Developer
7 3 (3.70%) Senior Data Engineer
7 3 (3.70%) Snowflake Data Engineer
7 3 (3.70%) Snowflake Engineer
8 2 (2.47%) AWS Engineer
8 2 (2.47%) Azure Architect
8 2 (2.47%) Azure Data Architect
8 2 (2.47%) Azure Engineer
8 2 (2.47%) SAP S/4HANA Consultant
Libraries, Frameworks & Software Standards
1 7 (8.64%) PySpark
2 5 (6.17%) Kafka
3 4 (4.94%) REST
3 4 (4.94%) XML
4 3 (3.70%) JSON
4 3 (3.70%) NumPy
4 3 (3.70%) Pandas
5 2 (2.47%) boto
5 2 (2.47%) Microsoft Graph
6 1 (1.23%) .NET
6 1 (1.23%) ADO
6 1 (1.23%) AWS CDK
6 1 (1.23%) FHIR
6 1 (1.23%) Oracle Fusion
6 1 (1.23%) PyTorch
6 1 (1.23%) SAP Fiori
6 1 (1.23%) scikit-learn
6 1 (1.23%) SOAP
6 1 (1.23%) XSLT
6 1 (1.23%) YAML
Miscellaneous
1 8 (9.88%) Data Structures
2 7 (8.64%) Legacy Systems
3 5 (6.17%) Cloud Native
4 3 (3.70%) Analytical Mindset
4 3 (3.70%) Equities
4 3 (3.70%) Management Information System
4 3 (3.70%) Reinsurance
5 2 (2.47%) CMDB
5 2 (2.47%) Data Fabric
5 2 (2.47%) Derivative
5 2 (2.47%) Fixed Income
5 2 (2.47%) Foreign Exchange (FX)
5 2 (2.47%) Onboarding
5 2 (2.47%) Reference Data
5 2 (2.47%) Replication
6 1 (1.23%) Distributed Computing
6 1 (1.23%) Hybrid Cloud
6 1 (1.23%) Pricing Data
6 1 (1.23%) Product Ownership
6 1 (1.23%) Public Cloud
Operating Systems
1 1 (1.23%) Unix
Processes & Methodologies
1 37 (45.68%) Data Modelling
2 33 (40.74%) Data Governance
3 30 (37.04%) ETL
4 29 (35.80%) Data Pipeline
5 28 (34.57%) Analytics
6 22 (27.16%) Validation
7 20 (24.69%) Business Intelligence
8 18 (22.22%) Problem-Solving
9 17 (20.99%) Migration
10 16 (19.75%) Data Analysis
10 16 (19.75%) Data Engineering
11 15 (18.52%) Data Integration
12 14 (17.28%) AI
13 13 (16.05%) Agile
13 13 (16.05%) CI/CD
13 13 (16.05%) Stakeholder Engagement
14 12 (14.81%) Data Lineage
14 12 (14.81%) Data Management
14 12 (14.81%) Metadata Management
14 12 (14.81%) Performance Tuning
Programming Languages
1 42 (51.85%) SQL
2 33 (40.74%) Python
3 5 (6.17%) Data Analysis Expressions
4 3 (3.70%) PL/SQL
5 2 (2.47%) Java
5 2 (2.47%) R
6 1 (1.23%) C++
6 1 (1.23%) JavaScript
6 1 (1.23%) Scala
6 1 (1.23%) T-SQL
Qualifications
1 9 (11.11%) Security Cleared
2 7 (8.64%) Degree
2 7 (8.64%) SC Cleared
3 3 (3.70%) Computer Science Degree
4 1 (1.23%) AWS Certification
4 1 (1.23%) CFA
4 1 (1.23%) DBS Check
4 1 (1.23%) DV Cleared
4 1 (1.23%) PMI Certification
4 1 (1.23%) PMP
4 1 (1.23%) TOGAF Certification
Quality Assurance & Compliance
1 8 (9.88%) GDPR
2 5 (6.17%) QA
3 2 (2.47%) Actionable Recommendations
3 2 (2.47%) Basel III
3 2 (2.47%) ISO/IEC 27001
3 2 (2.47%) PMO
4 1 (1.23%) Dodd-Frank
4 1 (1.23%) EMIR
4 1 (1.23%) HIPAA
4 1 (1.23%) HL7
4 1 (1.23%) NIST
4 1 (1.23%) Solvency II
Systems Management
1 4 (4.94%) Terraform
Vendors
1 17 (20.99%) Databricks
1 17 (20.99%) Microsoft
2 9 (11.11%) Oracle
2 9 (11.11%) SAP
3 6 (7.41%) Informatica
4 4 (4.94%) Salesforce
5 3 (3.70%) ServiceNow
6 2 (2.47%) Talend
7 1 (1.23%) BMC
7 1 (1.23%) Cerner
7 1 (1.23%) Google
7 1 (1.23%) IBM
7 1 (1.23%) Marketo
7 1 (1.23%) Palantir
7 1 (1.23%) Sparx
7 1 (1.23%) VMware
7 1 (1.23%) Zerto