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

6 months to
19 Jun 2026
Same period 2025 Same period 2024
Rank 46 68 69
Rank change year-on-year +22 +1 +48
Contract jobs citing Data Quality 101 53 60
As % of all contract jobs in the City of London 4.17% 3.06% 2.74%
As % of the Quality Assurance & Compliance category 23.99% 17.04% 16.26%
Number of daily rates quoted 75 33 43
10th Percentile £339 £425 £413
25th Percentile £400 £475 £481
Median daily rate (50th Percentile) £500 £570 £550
Median % change year-on-year -12.28% +3.64% -8.33%
75th Percentile £588 £650 £575
90th Percentile £705 £745 £679
Central London median daily rate £500 £570 £550
% change year-on-year -12.28% +3.64% -8.33%
Number of hourly rates quoted 1 0 0
Median hourly rate £17.23 - -
Central London median hourly rate £17.23 - -

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 421 311 369
As % of all contract IT jobs advertised in the City of London 17.38% 17.97% 16.83%
Number of daily rates quoted 283 216 263
10th Percentile £352 £375 £363
25th Percentile £450 £456 £463
Median daily rate (50th Percentile) £550 £561 £550
Median % change year-on-year -1.96% +2.00% -8.33%
75th Percentile £668 £713 £650
90th Percentile £773 £805 £762
Central London median daily rate £550 £565 £550
% change year-on-year -2.65% +2.73% -8.33%
Number of hourly rates quoted 3 2 3
10th Percentile £19.23 £28.43 £16.78
25th Percentile £22.24 £38.06 £17.96
Median hourly rate £27.50 £54.75 £20.61
Median % change year-on-year -49.77% +165.71% -
75th Percentile £52.25 £72.06 £22.65
90th Percentile £66.95 £82.08 £23.46
Central London median hourly rate £27.50 £23.50 £23.40
% change year-on-year +17.02% +0.43% -6.40%

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 June 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 (13.86%) Apache Airflow
2 3 (2.97%) Apache
2 3 (2.97%) Apache Spark
2 3 (2.97%) Confluence
3 2 (1.98%) SharePoint
4 1 (0.99%) Microsoft Exchange
4 1 (0.99%) Palantir Foundry
4 1 (0.99%) SAS
Applications
1 10 (9.90%) Microsoft Excel
2 3 (2.97%) Microsoft PowerPoint
2 3 (2.97%) MS Visio
3 1 (0.99%) Microsoft Project
3 1 (0.99%) Spreadsheet
Business Applications
1 5 (4.95%) BambooHR
2 1 (0.99%) Actimize
2 1 (0.99%) Maximo
2 1 (0.99%) Oracle Financials
2 1 (0.99%) SAP R/3
2 1 (0.99%) SAP S/4HANA
Cloud Services
1 32 (31.68%) Power Platform
2 31 (30.69%) Azure
3 21 (20.79%) AWS
4 17 (16.83%) Snowflake
5 11 (10.89%) Azure Data Factory
5 11 (10.89%) dbt
6 10 (9.90%) Amazon S3
7 9 (8.91%) GCP
8 8 (7.92%) AWS Lambda
8 8 (7.92%) Prefect
8 8 (7.92%) Serverless
9 6 (5.94%) Collibra
9 6 (5.94%) Dagster
10 5 (4.95%) Microsoft Purview
11 4 (3.96%) Azure Synapse Analytics
12 3 (2.97%) Amazon SageMaker
12 3 (2.97%) GitHub
13 2 (1.98%) Amazon Kinesis
13 2 (1.98%) Microsoft 365
13 2 (1.98%) SuccessFactors
Database & Business Intelligence
1 29 (28.71%) Power BI
2 18 (17.82%) Data Warehouse
2 18 (17.82%) Metadata
3 11 (10.89%) Amazon Redshift
3 11 (10.89%) Tableau
4 7 (6.93%) BigQuery
4 7 (6.93%) SQL Server
5 6 (5.94%) Looker
6 5 (4.95%) Data Lake
6 5 (4.95%) Relational Database
6 5 (4.95%) Snowflake Schema
7 4 (3.96%) Geospatial Data
8 3 (2.97%) Amazon RDS
8 3 (2.97%) Star Schema
9 2 (1.98%) DynamoDB
9 2 (1.98%) NoSQL
9 2 (1.98%) PostgreSQL
9 2 (1.98%) Semantic Layer
9 2 (1.98%) Spatial Data
9 2 (1.98%) SQL Server Integration Services
Development Applications
1 4 (3.96%) JIRA
2 3 (2.97%) Git
3 2 (1.98%) GitLab
4 1 (0.99%) Atlassian Bamboo
4 1 (0.99%) Bitbucket
4 1 (0.99%) Eclipse
4 1 (0.99%) ERwin
4 1 (0.99%) MLflow
General
1 42 (41.58%) Finance
2 29 (28.71%) Analytical Skills
3 27 (26.73%) Social Skills
4 17 (16.83%) Banking
5 6 (5.94%) Legal
5 6 (5.94%) Public Sector
6 4 (3.96%) Telecoms
7 3 (2.97%) Publishing
8 2 (1.98%) Documentation Skills
9 1 (0.99%) Advertising
9 1 (0.99%) Inclusion and Diversity
9 1 (0.99%) Marketing
9 1 (0.99%) Military
9 1 (0.99%) Organisational Skills
9 1 (0.99%) Retail
Job Titles
1 29 (28.71%) Data Engineer
2 27 (26.73%) Analyst
3 18 (17.82%) Data Analyst
4 9 (8.91%) Architect
5 8 (7.92%) Lead
6 7 (6.93%) Data Architect
7 6 (5.94%) Business Analyst
7 6 (5.94%) Consultant
7 6 (5.94%) Snowflake Data Engineer
7 6 (5.94%) Snowflake Engineer
8 3 (2.97%) Data Consultant
8 3 (2.97%) Financial Analyst
9 2 (1.98%) Azure Engineer
9 2 (1.98%) Configuration Engineer
9 2 (1.98%) Data Migration Engineer
9 2 (1.98%) Data Modeller
9 2 (1.98%) Data Quality Analyst
9 2 (1.98%) Migration Engineer
9 2 (1.98%) Performance Analyst
9 2 (1.98%) Technical Leader
Libraries, Frameworks & Software Standards
1 9 (8.91%) PySpark
2 6 (5.94%) Kafka
2 6 (5.94%) Pandas
3 4 (3.96%) GeoJSON
3 4 (3.96%) scikit-learn
4 3 (2.97%) JSON
4 3 (2.97%) Matplotlib
4 3 (2.97%) NumPy
4 3 (2.97%) Polars
4 3 (2.97%) REST
5 2 (1.98%) boto
5 2 (1.98%) Great Expectations
5 2 (1.98%) Microsoft Graph
5 2 (1.98%) Node.js
5 2 (1.98%) pytest
5 2 (1.98%) PyTorch
5 2 (1.98%) React
6 1 (0.99%) FHIR
6 1 (0.99%) OpenTelemetry
6 1 (0.99%) Playwright
Miscellaneous
1 8 (7.92%) Legacy Systems
2 7 (6.93%) Cloud Native
2 7 (6.93%) Data Structures
3 4 (3.96%) Clustering
3 4 (3.96%) Management Information System
3 4 (3.96%) NHS
3 4 (3.96%) Onboarding
4 3 (2.97%) Analytical Mindset
4 3 (2.97%) Self-Motivation
5 2 (1.98%) Algorithms
5 2 (1.98%) Distributed Systems
5 2 (1.98%) Freedom of Information
5 2 (1.98%) Product Ownership
5 2 (1.98%) Reference Data
6 1 (0.99%) CMDB
6 1 (0.99%) Credit Risk
6 1 (0.99%) Derivative
6 1 (0.99%) Market Risk
6 1 (0.99%) Public Cloud
6 1 (0.99%) Taxonomies
Processes & Methodologies
1 47 (46.53%) Data Modelling
2 42 (41.58%) Analytics
3 38 (37.62%) Data Pipeline
3 38 (37.62%) Validation
4 33 (32.67%) Business Intelligence
5 31 (30.69%) Data Governance
6 30 (29.70%) Data Engineering
6 30 (29.70%) ETL
7 25 (24.75%) AI
8 17 (16.83%) Migration
8 17 (16.83%) Use Case
9 15 (14.85%) Data Science
9 15 (14.85%) Performance Tuning
9 15 (14.85%) Stakeholder Engagement
10 14 (13.86%) Agile
10 14 (13.86%) Decision-Making
10 14 (13.86%) Stakeholder Management
11 13 (12.87%) Data Analysis
11 13 (12.87%) Data Management
11 13 (12.87%) Problem-Solving
Programming Languages
1 52 (51.49%) SQL
2 45 (44.55%) Python
3 7 (6.93%) Data Analysis Expressions
4 6 (5.94%) Java
5 3 (2.97%) Scala
6 1 (0.99%) C#
6 1 (0.99%) T-SQL
6 1 (0.99%) VBA
Qualifications
1 14 (13.86%) Security Cleared
2 10 (9.90%) Degree
2 10 (9.90%) SC Cleared
3 5 (4.95%) BPSS Clearance
4 3 (2.97%) Computer Science Degree
5 2 (1.98%) DBS Check
5 2 (1.98%) DV Cleared
5 2 (1.98%) SnowPro
6 1 (0.99%) ACCA
6 1 (0.99%) Azure Certification
6 1 (0.99%) CBAP
6 1 (0.99%) CIMA
6 1 (0.99%) PMI Certification
6 1 (0.99%) RIBA
Quality Assurance & Compliance
1 12 (11.88%) QA
2 10 (9.90%) GDPR
3 3 (2.97%) Accessibility
4 2 (1.98%) ISO/IEC 27001
5 1 (0.99%) HIPAA
5 1 (0.99%) HL7
5 1 (0.99%) NIST
5 1 (0.99%) PMO
5 1 (0.99%) Sarbanes-Oxley
5 1 (0.99%) Solvency II
System Software
1 3 (2.97%) Docker
Systems Management
1 4 (3.96%) Terraform
2 2 (1.98%) Kubernetes
Vendors
1 23 (22.77%) Microsoft
2 19 (18.81%) Databricks
3 9 (8.91%) Informatica
4 7 (6.93%) Oracle
4 7 (6.93%) SAP
5 5 (4.95%) Workday
6 4 (3.96%) Google
6 4 (3.96%) Salesforce
7 3 (2.97%) Palantir
8 1 (0.99%) Adobe
8 1 (0.99%) Alteryx
8 1 (0.99%) Cerner
8 1 (0.99%) Foundry
8 1 (0.99%) IFS
8 1 (0.99%) LexisNexis
8 1 (0.99%) Marketo
8 1 (0.99%) MuleSoft
8 1 (0.99%) Pega
8 1 (0.99%) ServiceNow
8 1 (0.99%) Talend