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

6 months to
3 Mar 2026
Same period 2025 Same period 2024
Rank 40 65 58
Rank change year-on-year +25 -7 +44
Contract jobs citing Data Quality 98 52 76
As % of all contract jobs in the City of London 4.92% 2.91% 3.23%
As % of the Quality Assurance & Compliance category 23.17% 17.63% 20.05%
Number of daily rates quoted 69 30 56
10th Percentile £313 £413 £456
25th Percentile £369 £476 £545
Median daily rate (50th Percentile) £483 £563 £550
Median % change year-on-year -14.22% +2.27% -8.33%
75th Percentile £600 £672 £680
90th Percentile £740 £757 £744
Central London median daily rate £488 £563 £550
% change year-on-year -13.33% +2.27% -8.33%
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 423 295 379
As % of all contract IT jobs advertised in the City of London 21.26% 16.48% 16.12%
Number of daily rates quoted 280 175 282
10th Percentile £363 £350 £376
25th Percentile £425 £425 £470
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - -8.33%
75th Percentile £655 £675 £670
90th Percentile £801 £775 £750
Central London median daily rate £525 £550 £550
% change year-on-year -4.55% - -8.33%
Number of hourly rates quoted 4 0 2
10th Percentile £20.01 - £25.05
25th Percentile £24.18 - £32.75
Median hourly rate £27.75 - £46.55
Median % change year-on-year - - +138.73%
75th Percentile £41.31 - £60.64
90th Percentile £62.58 - £68.50
Central London median hourly rate £26.11 £28.75 £42.50
% change year-on-year -9.18% -32.35% +93.18%

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 March 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 10 (10.20%) Apache Airflow
2 6 (6.12%) Apache Spark
3 4 (4.08%) Apache
4 2 (2.04%) Confluence
5 1 (1.02%) Microsoft Exchange
5 1 (1.02%) SAS
5 1 (1.02%) SharePoint
Applications
1 9 (9.18%) Microsoft Excel
2 2 (2.04%) Microsoft PowerPoint
2 2 (2.04%) MS Visio
3 1 (1.02%) Microsoft Project
3 1 (1.02%) Spreadsheet
Business Applications
1 7 (7.14%) SAP S/4HANA
2 1 (1.02%) Actimize
2 1 (1.02%) Maximo
2 1 (1.02%) SAP ERP
2 1 (1.02%) SAP MM
2 1 (1.02%) Sparx Enterprise Architect
Cloud Services
1 32 (32.65%) Azure
2 27 (27.55%) AWS
3 22 (22.45%) Power Platform
4 14 (14.29%) Snowflake
5 12 (12.24%) Azure Data Factory
6 9 (9.18%) GCP
7 8 (8.16%) Serverless
8 7 (7.14%) Amazon S3
8 7 (7.14%) AWS Lambda
8 7 (7.14%) dbt
9 6 (6.12%) Collibra
9 6 (6.12%) Microsoft Purview
10 5 (5.10%) Azure Synapse Analytics
11 3 (3.06%) GitHub
12 2 (2.04%) AWS Step Functions
12 2 (2.04%) Azure Functions
12 2 (2.04%) Azure Logic Apps
12 2 (2.04%) Azure Storage
12 2 (2.04%) Microsoft 365
12 2 (2.04%) Power Automate
Communications & Networking
1 1 (1.02%) Hyperconnected
Database & Business Intelligence
1 21 (21.43%) Metadata
2 19 (19.39%) Data Warehouse
2 19 (19.39%) Power BI
3 7 (7.14%) SQL Server
4 6 (6.12%) Data Lake
5 5 (5.10%) Amazon Redshift
5 5 (5.10%) Relational Database
5 5 (5.10%) Snowflake Schema
6 4 (4.08%) Geospatial Data
6 4 (4.08%) MySQL
7 3 (3.06%) PostgreSQL
7 3 (3.06%) SQL Server Integration Services
7 3 (3.06%) Tableau
8 2 (2.04%) Amazon QuickSight
8 2 (2.04%) Big Data
8 2 (2.04%) DataStage
8 2 (2.04%) Hadoop
8 2 (2.04%) OLAP
8 2 (2.04%) Oracle OLAP
8 2 (2.04%) Star Schema
Development Applications
1 10 (10.20%) Git
2 3 (3.06%) Jenkins
2 3 (3.06%) JIRA
3 2 (2.04%) ERwin
3 2 (2.04%) GitLab
4 1 (1.02%) MLflow
4 1 (1.02%) PowerDesigner
General
1 39 (39.80%) Finance
2 31 (31.63%) Social Skills
3 30 (30.61%) Analytical Skills
4 18 (18.37%) Banking
5 6 (6.12%) Public Sector
6 3 (3.06%) Legal
6 3 (3.06%) Publishing
7 2 (2.04%) Financial Institution
7 2 (2.04%) Inclusion and Diversity
7 2 (2.04%) Investment Banking
7 2 (2.04%) Law
7 2 (2.04%) Retail
8 1 (1.02%) Documentation Skills
8 1 (1.02%) Front Office
8 1 (1.02%) Marketing
8 1 (1.02%) Pharmaceutical
Job Titles
1 30 (30.61%) Data Engineer
2 24 (24.49%) Analyst
3 17 (17.35%) Data Analyst
4 8 (8.16%) Architect
5 7 (7.14%) Business Analyst
5 7 (7.14%) Data Architect
6 6 (6.12%) Consultant
6 6 (6.12%) Lead
7 5 (5.10%) Senior
8 4 (4.08%) Data Modeller
8 4 (4.08%) Senior Data Engineer
8 4 (4.08%) Snowflake Data Engineer
8 4 (4.08%) Snowflake Engineer
9 3 (3.06%) Data Quality Analyst
9 3 (3.06%) Quality Analyst
10 2 (2.04%) Configuration Engineer
10 2 (2.04%) Data Consultant
10 2 (2.04%) Data Governance Specialist
10 2 (2.04%) Data Migration Engineer
10 2 (2.04%) Migration Engineer
Libraries, Frameworks & Software Standards
1 7 (7.14%) Kafka
1 7 (7.14%) PySpark
2 6 (6.12%) Pandas
3 4 (4.08%) GeoJSON
3 4 (4.08%) REST
3 4 (4.08%) scikit-learn
4 3 (3.06%) Matplotlib
4 3 (3.06%) NumPy
4 3 (3.06%) Polars
4 3 (3.06%) XML
5 2 (2.04%) boto
5 2 (2.04%) JSON
5 2 (2.04%) Microsoft Graph
6 1 (1.02%) AWS CDK
6 1 (1.02%) EDI
6 1 (1.02%) HTML
6 1 (1.02%) SAP Fiori
6 1 (1.02%) SOAP
6 1 (1.02%) XSLT
6 1 (1.02%) YAML
Miscellaneous
1 10 (10.20%) Legacy Systems
2 9 (9.18%) Cloud Native
2 9 (9.18%) Data Structures
3 4 (4.08%) Analytical Mindset
4 3 (3.06%) Equities
4 3 (3.06%) Management Information System
4 3 (3.06%) Reference Data
4 3 (3.06%) Reinsurance
4 3 (3.06%) Self-Motivation
5 2 (2.04%) Clustering
5 2 (2.04%) CMDB
5 2 (2.04%) Data Fabric
5 2 (2.04%) Derivative
5 2 (2.04%) Fixed Income
5 2 (2.04%) Foreign Exchange (FX)
5 2 (2.04%) NHS
5 2 (2.04%) Onboarding
5 2 (2.04%) Replication
6 1 (1.02%) Product Ownership
6 1 (1.02%) Security Posture
Operating Systems
1 1 (1.02%) Unix
Processes & Methodologies
1 42 (42.86%) Data Modelling
2 35 (35.71%) Data Governance
3 33 (33.67%) Analytics
4 32 (32.65%) Data Pipeline
4 32 (32.65%) ETL
5 30 (30.61%) Validation
6 26 (26.53%) Business Intelligence
7 21 (21.43%) Data Engineering
8 20 (20.41%) AI
9 19 (19.39%) Migration
9 19 (19.39%) Problem-Solving
10 18 (18.37%) Stakeholder Engagement
11 17 (17.35%) Data Integration
11 17 (17.35%) Performance Tuning
12 16 (16.33%) Stakeholder Management
13 15 (15.31%) CI/CD
13 15 (15.31%) Data Lineage
13 15 (15.31%) Data Management
14 14 (14.29%) Data Analysis
15 13 (13.27%) Metadata Management
Programming Languages
1 51 (52.04%) SQL
2 43 (43.88%) Python
3 5 (5.10%) Data Analysis Expressions
4 3 (3.06%) Java
5 2 (2.04%) PL/SQL
5 2 (2.04%) R
5 2 (2.04%) Scala
6 1 (1.02%) C++
6 1 (1.02%) JavaScript
6 1 (1.02%) T-SQL
Qualifications
1 12 (12.24%) Security Cleared
2 9 (9.18%) Degree
3 7 (7.14%) SC Cleared
4 5 (5.10%) BPSS Clearance
5 3 (3.06%) Computer Science Degree
6 2 (2.04%) DV Cleared
7 1 (1.02%) AWS Certification
7 1 (1.02%) CFA
7 1 (1.02%) DBS Check
7 1 (1.02%) PMI Certification
7 1 (1.02%) PMP
7 1 (1.02%) RIBA
7 1 (1.02%) TOGAF Certification
Quality Assurance & Compliance
1 11 (11.22%) QA
2 7 (7.14%) GDPR
3 2 (2.04%) Basel III
3 2 (2.04%) ISO/IEC 27001
3 2 (2.04%) NIST
4 1 (1.02%) Accessibility
4 1 (1.02%) Actionable Recommendations
4 1 (1.02%) Dodd-Frank
4 1 (1.02%) EMIR
4 1 (1.02%) HIPAA
4 1 (1.02%) HL7
4 1 (1.02%) PMO
4 1 (1.02%) Solvency II
System Software
1 1 (1.02%) Docker
Systems Management
1 6 (6.12%) Terraform
2 1 (1.02%) Kubernetes
Vendors
1 21 (21.43%) Microsoft
2 20 (20.41%) Databricks
3 11 (11.22%) SAP
4 9 (9.18%) Oracle
5 8 (8.16%) Informatica
6 3 (3.06%) Salesforce
6 3 (3.06%) ServiceNow
6 3 (3.06%) Talend
7 2 (2.04%) Google
8 1 (1.02%) Automation Anywhere
8 1 (1.02%) BMC
8 1 (1.02%) Cerner
8 1 (1.02%) IBM
8 1 (1.02%) LexisNexis
8 1 (1.02%) Marketo
8 1 (1.02%) MuleSoft
8 1 (1.02%) Palantir
8 1 (1.02%) Pega
8 1 (1.02%) VMware
8 1 (1.02%) Zerto