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

6 months to
17 Mar 2026
Same period 2025 Same period 2024
Rank 42 71 54
Rank change year-on-year +29 -17 +61
Contract jobs citing Data Quality 100 49 79
As % of all contract jobs in the City of London 4.83% 2.73% 3.37%
As % of the Quality Assurance & Compliance category 23.42% 16.84% 20.73%
Number of daily rates quoted 71 28 58
10th Percentile £313 £413 £459
25th Percentile £384 £472 £513
Median daily rate (50th Percentile) £500 £560 £550
Median % change year-on-year -10.71% +1.82% -10.20%
75th Percentile £598 £657 £679
90th Percentile £750 £734 £747
Central London median daily rate £500 £550 £550
% change year-on-year -9.09% - -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 - -

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 427 291 381
As % of all contract IT jobs advertised in the City of London 20.62% 16.21% 16.24%
Number of daily rates quoted 286 182 284
10th Percentile £363 £351 £363
25th Percentile £425 £451 £463
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - -8.33%
75th Percentile £653 £675 £675
90th Percentile £794 £774 £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 - - +17.85%
75th Percentile £41.31 - £60.64
90th Percentile £62.58 - £68.50
Central London median hourly rate £26.11 £20.35 £42.50
% change year-on-year +28.34% -52.13% +80.85%

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 17 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 14 (14.00%) Apache Airflow
2 6 (6.00%) Apache Spark
3 4 (4.00%) Apache
4 2 (2.00%) Confluence
4 2 (2.00%) SharePoint
5 1 (1.00%) Microsoft Exchange
5 1 (1.00%) SAS
Applications
1 10 (10.00%) Microsoft Excel
2 3 (3.00%) Microsoft PowerPoint
2 3 (3.00%) MS Visio
3 1 (1.00%) Microsoft Project
3 1 (1.00%) Spreadsheet
Business Applications
1 7 (7.00%) SAP S/4HANA
2 3 (3.00%) BambooHR
3 1 (1.00%) Actimize
3 1 (1.00%) Maximo
3 1 (1.00%) SAP ERP
3 1 (1.00%) SAP MM
3 1 (1.00%) Sparx Enterprise Architect
Cloud Services
1 31 (31.00%) Azure
2 27 (27.00%) Power Platform
3 26 (26.00%) AWS
4 17 (17.00%) Snowflake
5 11 (11.00%) Azure Data Factory
5 11 (11.00%) dbt
6 9 (9.00%) GCP
7 8 (8.00%) Serverless
8 7 (7.00%) Amazon S3
8 7 (7.00%) AWS Lambda
8 7 (7.00%) Collibra
9 5 (5.00%) Azure Synapse Analytics
9 5 (5.00%) Microsoft Purview
9 5 (5.00%) Prefect
10 4 (4.00%) Dagster
11 2 (2.00%) Amazon EventBridge
11 2 (2.00%) AWS Step Functions
11 2 (2.00%) Azure Storage
11 2 (2.00%) Power Automate
11 2 (2.00%) Textract
Communications & Networking
1 1 (1.00%) Hyperconnected
Database & Business Intelligence
1 24 (24.00%) Power BI
2 21 (21.00%) Metadata
3 19 (19.00%) Data Warehouse
4 8 (8.00%) Tableau
5 7 (7.00%) Amazon Redshift
5 7 (7.00%) SQL Server
6 6 (6.00%) Data Lake
7 5 (5.00%) Snowflake Schema
8 4 (4.00%) Geospatial Data
8 4 (4.00%) Looker
8 4 (4.00%) MySQL
8 4 (4.00%) Relational Database
9 3 (3.00%) BigQuery
9 3 (3.00%) PostgreSQL
9 3 (3.00%) SQL Server Integration Services
10 2 (2.00%) Big Data
10 2 (2.00%) DynamoDB
10 2 (2.00%) Hadoop
10 2 (2.00%) OLAP
10 2 (2.00%) Oracle OLAP
Development Applications
1 10 (10.00%) Git
2 3 (3.00%) Jenkins
2 3 (3.00%) JIRA
3 2 (2.00%) ERwin
3 2 (2.00%) GitLab
4 1 (1.00%) MLflow
4 1 (1.00%) PowerDesigner
General
1 42 (42.00%) Finance
2 31 (31.00%) Social Skills
3 29 (29.00%) Analytical Skills
4 19 (19.00%) Banking
5 6 (6.00%) Legal
5 6 (6.00%) Public Sector
6 3 (3.00%) Publishing
6 3 (3.00%) Telecoms
7 2 (2.00%) Financial Institution
7 2 (2.00%) Inclusion and Diversity
7 2 (2.00%) Investment Banking
7 2 (2.00%) Law
7 2 (2.00%) Retail
8 1 (1.00%) Documentation Skills
8 1 (1.00%) Front Office
8 1 (1.00%) Marketing
8 1 (1.00%) Organisational Skills
8 1 (1.00%) Pharmaceutical
Job Titles
1 31 (31.00%) Data Engineer
2 24 (24.00%) Analyst
3 16 (16.00%) Data Analyst
4 7 (7.00%) Business Analyst
5 6 (6.00%) Architect
5 6 (6.00%) Consultant
5 6 (6.00%) Lead
6 5 (5.00%) Data Architect
6 5 (5.00%) Senior
6 5 (5.00%) Snowflake Data Engineer
6 5 (5.00%) Snowflake Engineer
7 4 (4.00%) Data Modeller
7 4 (4.00%) Senior Data Engineer
8 3 (3.00%) Data Quality Analyst
8 3 (3.00%) Quality Analyst
8 3 (3.00%) Risk Analyst
9 2 (2.00%) Configuration Engineer
9 2 (2.00%) Data Consultant
9 2 (2.00%) Data Governance Specialist
9 2 (2.00%) Data Migration Engineer
Libraries, Frameworks & Software Standards
1 8 (8.00%) Kafka
1 8 (8.00%) PySpark
2 6 (6.00%) Pandas
3 4 (4.00%) GeoJSON
3 4 (4.00%) REST
3 4 (4.00%) scikit-learn
4 3 (3.00%) JSON
4 3 (3.00%) Matplotlib
4 3 (3.00%) NumPy
4 3 (3.00%) Polars
5 2 (2.00%) boto
5 2 (2.00%) Microsoft Graph
5 2 (2.00%) XML
6 1 (1.00%) AWS CDK
6 1 (1.00%) FHIR
6 1 (1.00%) Next.js
6 1 (1.00%) OpenTelemetry
6 1 (1.00%) Playwright
6 1 (1.00%) PyTorch
6 1 (1.00%) Vert.x
Miscellaneous
1 10 (10.00%) Legacy Systems
2 9 (9.00%) Cloud Native
2 9 (9.00%) Data Structures
3 3 (3.00%) Analytical Mindset
3 3 (3.00%) Clustering
3 3 (3.00%) CMDB
3 3 (3.00%) Equities
3 3 (3.00%) Management Information System
3 3 (3.00%) Reference Data
3 3 (3.00%) Reinsurance
3 3 (3.00%) Self-Motivation
4 2 (2.00%) Data Fabric
4 2 (2.00%) Derivative
4 2 (2.00%) Fixed Income
4 2 (2.00%) Foreign Exchange (FX)
4 2 (2.00%) Market Risk
4 2 (2.00%) NHS
4 2 (2.00%) Onboarding
4 2 (2.00%) Replication
5 1 (1.00%) Security Posture
Operating Systems
1 1 (1.00%) Unix
Processes & Methodologies
1 45 (45.00%) Data Modelling
2 37 (37.00%) Data Pipeline
3 35 (35.00%) Data Governance
4 34 (34.00%) Analytics
5 32 (32.00%) ETL
6 31 (31.00%) Validation
7 30 (30.00%) Business Intelligence
8 25 (25.00%) Data Engineering
9 22 (22.00%) AI
10 20 (20.00%) Problem-Solving
11 19 (19.00%) Migration
12 18 (18.00%) Performance Tuning
12 18 (18.00%) Stakeholder Engagement
13 16 (16.00%) CI/CD
13 16 (16.00%) Data Lineage
14 15 (15.00%) Data Integration
14 15 (15.00%) Data Management
14 15 (15.00%) Stakeholder Management
15 14 (14.00%) Data Analysis
16 13 (13.00%) Use Case
Programming Languages
1 54 (54.00%) SQL
2 47 (47.00%) Python
3 5 (5.00%) Data Analysis Expressions
4 3 (3.00%) Java
5 2 (2.00%) PL/SQL
5 2 (2.00%) R
5 2 (2.00%) Scala
6 1 (1.00%) C++
6 1 (1.00%) JavaScript
6 1 (1.00%) T-SQL
6 1 (1.00%) VBA
Qualifications
1 12 (12.00%) Security Cleared
2 8 (8.00%) Degree
3 7 (7.00%) SC Cleared
4 5 (5.00%) BPSS Clearance
5 2 (2.00%) Computer Science Degree
5 2 (2.00%) DV Cleared
6 1 (1.00%) CFA
6 1 (1.00%) DBS Check
6 1 (1.00%) PMI Certification
6 1 (1.00%) PMP
6 1 (1.00%) RIBA
6 1 (1.00%) SnowPro
6 1 (1.00%) TOGAF Certification
Quality Assurance & Compliance
1 11 (11.00%) QA
2 10 (10.00%) GDPR
3 2 (2.00%) Basel III
3 2 (2.00%) ISO/IEC 27001
3 2 (2.00%) NIST
4 1 (1.00%) Accessibility
4 1 (1.00%) Actionable Recommendations
4 1 (1.00%) Dodd-Frank
4 1 (1.00%) EMIR
4 1 (1.00%) HIPAA
4 1 (1.00%) HL7
4 1 (1.00%) PMO
4 1 (1.00%) Sarbanes-Oxley
4 1 (1.00%) Solvency II
System Software
1 1 (1.00%) Docker
Systems Management
1 6 (6.00%) Terraform
2 1 (1.00%) Kubernetes
Vendors
1 23 (23.00%) Databricks
2 21 (21.00%) Microsoft
3 11 (11.00%) SAP
4 9 (9.00%) Informatica
4 9 (9.00%) Oracle
5 4 (4.00%) ServiceNow
6 3 (3.00%) Google
6 3 (3.00%) Salesforce
6 3 (3.00%) Talend
6 3 (3.00%) Workday
7 1 (1.00%) BMC
7 1 (1.00%) Cerner
7 1 (1.00%) IBM
7 1 (1.00%) LexisNexis
7 1 (1.00%) Marketo
7 1 (1.00%) MuleSoft
7 1 (1.00%) Palantir
7 1 (1.00%) Pega
7 1 (1.00%) VMware
7 1 (1.00%) Zerto