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

6 months to
22 Jul 2026
Same period 2025 Same period 2024
Rank 39 66 74
Rank change year-on-year +27 +8 +35
Contract jobs citing Data Quality 115 64 60
As % of all contract jobs in the City of London 4.77% 3.44% 2.83%
As % of the Quality Assurance & Compliance category 27.19% 18.29% 16.76%
Number of daily rates quoted 90 47 41
10th Percentile £384 £293 £363
25th Percentile £450 £454 £475
Median daily rate (50th Percentile) £525 £525 £550
Median % change year-on-year - -4.55% -12.00%
75th Percentile £634 £625 £588
90th Percentile £775 £735 £750
Central London median daily rate £525 £525 £550
% change year-on-year - -4.55% -12.00%

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 423 350 358
As % of all contract IT jobs advertised in the City of London 17.54% 18.81% 16.89%
Number of daily rates quoted 303 250 246
10th Percentile £376 £363 £363
25th Percentile £463 £441 £463
Median daily rate (50th Percentile) £550 £538 £575
Median % change year-on-year +2.33% -6.52% -4.17%
75th Percentile £668 £698 £658
90th Percentile £774 £810 £775
Central London median daily rate £550 £550 £550
% change year-on-year - - -8.33%
Number of hourly rates quoted 2 3 2
10th Percentile £31.75 £28.05 £16.60
25th Percentile £38.50 £37.13 £17.50
Median hourly rate £51.00 £54.50 £20.00
Median % change year-on-year -6.42% +172.50% -
75th Percentile £64.50 £72.75 £22.50
90th Percentile £71.85 £82.35 £23.40
Central London median hourly rate £42.50 £34.48 £23.80
% change year-on-year +23.26% +44.87% -4.80%

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 22 July 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 (12.17%) Apache Airflow
2 7 (6.09%) Apache
3 5 (4.35%) Apache Spark
4 3 (2.61%) Confluence
5 2 (1.74%) HCL Notes
5 2 (1.74%) SharePoint
6 1 (0.87%) Microsoft Exchange
6 1 (0.87%) Palantir Foundry
6 1 (0.87%) SAS
Applications
1 11 (9.57%) Microsoft Excel
2 3 (2.61%) Microsoft PowerPoint
3 2 (1.74%) MS Visio
4 1 (0.87%) Microsoft Project
4 1 (0.87%) Spreadsheet
Business Applications
1 5 (4.35%) BambooHR
2 2 (1.74%) SAP S/4HANA
3 1 (0.87%) Actimize
3 1 (0.87%) Aladdin
3 1 (0.87%) Maximo
3 1 (0.87%) Oracle Financials
3 1 (0.87%) SAP MDG
3 1 (0.87%) SAP R/3
3 1 (0.87%) Workday HCM
Cloud Services
1 33 (28.70%) Power Platform
2 32 (27.83%) Azure
3 19 (16.52%) Snowflake
4 17 (14.78%) AWS
5 13 (11.30%) Azure Data Factory
6 12 (10.43%) dbt
7 9 (7.83%) Prefect
8 8 (6.96%) GCP
9 7 (6.09%) Amazon S3
9 7 (6.09%) Collibra
9 7 (6.09%) Dagster
10 5 (4.35%) AWS Lambda
10 5 (4.35%) Azure DevOps
10 5 (4.35%) Serverless
11 4 (3.48%) Azure Synapse Analytics
12 3 (2.61%) GitHub
12 3 (2.61%) Microsoft Purview
13 2 (1.74%) Fivetran
13 2 (1.74%) Microsoft 365
13 2 (1.74%) SuccessFactors
Database & Business Intelligence
1 30 (26.09%) Power BI
2 20 (17.39%) Data Warehouse
3 16 (13.91%) Metadata
4 10 (8.70%) Tableau
5 9 (7.83%) Amazon Redshift
6 8 (6.96%) BigQuery
7 7 (6.09%) Data Lake
7 7 (6.09%) Relational Database
8 5 (4.35%) Looker
8 5 (4.35%) Snowflake Schema
8 5 (4.35%) SQL Server
9 4 (3.48%) Geospatial Data
9 4 (3.48%) NoSQL
9 4 (3.48%) Star Schema
10 3 (2.61%) Amazon RDS
10 3 (2.61%) Enterprise Data Warehouse
10 3 (2.61%) MongoDB
10 3 (2.61%) Semantic Layer
11 2 (1.74%) Amazon Athena
11 2 (1.74%) Spatial Data
Development Applications
1 3 (2.61%) Git
1 3 (2.61%) JIRA
2 2 (1.74%) GitLab
3 1 (0.87%) Atlassian Bamboo
3 1 (0.87%) Bitbucket
3 1 (0.87%) Eclipse
General
1 51 (44.35%) Finance
2 38 (33.04%) Analytical Skills
3 36 (31.30%) Social Skills
4 19 (16.52%) Banking
5 7 (6.09%) Legal
6 5 (4.35%) Public Sector
7 4 (3.48%) Telecoms
8 3 (2.61%) Front Office
8 3 (2.61%) Publishing
9 2 (1.74%) Advertising
9 2 (1.74%) Marketing
10 1 (0.87%) Documentation Skills
10 1 (0.87%) Inclusion and Diversity
10 1 (0.87%) Influencing Skills
10 1 (0.87%) Military
10 1 (0.87%) Organisational Skills
10 1 (0.87%) Pharmaceutical
10 1 (0.87%) Retail
Job Titles
1 30 (26.09%) Analyst
2 26 (22.61%) Data Engineer
3 21 (18.26%) Data Analyst
4 13 (11.30%) Architect
5 11 (9.57%) Business Analyst
5 11 (9.57%) Data Architect
6 10 (8.70%) Lead
7 8 (6.96%) Consultant
8 5 (4.35%) Data Business Analyst
8 5 (4.35%) Snowflake Data Engineer
8 5 (4.35%) Snowflake Engineer
9 4 (3.48%) Developer
10 3 (2.61%) Data Consultant
10 3 (2.61%) Data Modeller
10 3 (2.61%) Data Quality Analyst
10 3 (2.61%) Financial Analyst
10 3 (2.61%) Integration Engineer
10 3 (2.61%) Quality Analyst
11 2 (1.74%) Data Migration Engineer
11 2 (1.74%) Platform Architect
Libraries, Frameworks & Software Standards
1 11 (9.57%) PySpark
2 7 (6.09%) Kafka
3 4 (3.48%) GeoJSON
3 4 (3.48%) JSON
4 3 (2.61%) Matplotlib
4 3 (2.61%) Middleware
4 3 (2.61%) Pandas
4 3 (2.61%) Polars
4 3 (2.61%) scikit-learn
5 2 (1.74%) Great Expectations
5 2 (1.74%) Microsoft Graph
5 2 (1.74%) Node.js
5 2 (1.74%) pytest
5 2 (1.74%) React
5 2 (1.74%) REST
5 2 (1.74%) Web Services
6 1 (0.87%) OpenTelemetry
6 1 (0.87%) Spark Streaming
6 1 (0.87%) Spring Boot
6 1 (0.87%) Vert.x
Miscellaneous
1 12 (10.43%) Data Structures
2 9 (7.83%) Cloud Native
2 9 (7.83%) Legacy Systems
3 7 (6.09%) Onboarding
4 5 (4.35%) Product Ownership
5 4 (3.48%) Management Information System
5 4 (3.48%) Reference Data
6 3 (2.61%) Analytical Mindset
6 3 (2.61%) Clustering
6 3 (2.61%) Fixed Income
6 3 (2.61%) Foreign Exchange (FX)
6 3 (2.61%) NHS
7 2 (1.74%) CMDB
7 2 (1.74%) Distributed Systems
7 2 (1.74%) Freedom of Information
7 2 (1.74%) Hedge funds
7 2 (1.74%) Self-Motivation
8 1 (0.87%) Credit Risk
8 1 (0.87%) Derivative
8 1 (0.87%) Taxonomies
Processes & Methodologies
1 52 (45.22%) Data Modelling
2 51 (44.35%) Analytics
3 43 (37.39%) Data Governance
4 39 (33.91%) Validation
5 38 (33.04%) Business Intelligence
6 33 (28.70%) Data Pipeline
7 31 (26.96%) Data Engineering
8 30 (26.09%) ETL
9 26 (22.61%) Stakeholder Engagement
10 25 (21.74%) AI
11 21 (18.26%) Migration
11 21 (18.26%) Stakeholder Management
12 18 (15.65%) Data Architecture
12 18 (15.65%) Decision-Making
13 16 (13.91%) Data Migration
14 15 (13.04%) Agile
14 15 (13.04%) Data Analysis
14 15 (13.04%) Data Management
14 15 (13.04%) Use Case
15 14 (12.17%) Data Transformation
Programming Languages
1 55 (47.83%) SQL
2 41 (35.65%) Python
3 8 (6.96%) Data Analysis Expressions
4 7 (6.09%) Java
5 2 (1.74%) PL/SQL
5 2 (1.74%) Scala
6 1 (0.87%) C#
6 1 (0.87%) T-SQL
6 1 (0.87%) VBA
Qualifications
1 14 (12.17%) Security Cleared
2 10 (8.70%) SC Cleared
3 8 (6.96%) Degree
4 5 (4.35%) BPSS Clearance
5 2 (1.74%) Computer Science Degree
5 2 (1.74%) DBS Check
5 2 (1.74%) DV Cleared
5 2 (1.74%) SnowPro
6 1 (0.87%) ACCA
6 1 (0.87%) Azure Certification
6 1 (0.87%) CBAP
6 1 (0.87%) CIMA
6 1 (0.87%) PMI Certification
6 1 (0.87%) RIBA
Quality Assurance & Compliance
1 13 (11.30%) QA
2 10 (8.70%) GDPR
3 3 (2.61%) Accessibility
4 1 (0.87%) HIPAA
4 1 (0.87%) NIST
4 1 (0.87%) PMO
4 1 (0.87%) PSD2
4 1 (0.87%) Sarbanes-Oxley
4 1 (0.87%) Solvency II
System Software
1 4 (3.48%) Docker
2 1 (0.87%) Active Directory
Systems Management
1 4 (3.48%) Terraform
2 2 (1.74%) Kubernetes
Vendors
1 27 (23.48%) Microsoft
2 17 (14.78%) Databricks
3 10 (8.70%) Informatica
4 7 (6.09%) Oracle
4 7 (6.09%) Workday
5 6 (5.22%) SAP
6 4 (3.48%) Google
6 4 (3.48%) Salesforce
7 3 (2.61%) Palantir
8 2 (1.74%) Lotus
8 2 (1.74%) MuleSoft
8 2 (1.74%) ServiceNow
8 2 (1.74%) Talend
9 1 (0.87%) Adobe
9 1 (0.87%) Automation Anywhere
9 1 (0.87%) Denodo
9 1 (0.87%) IBM
9 1 (0.87%) IFS
9 1 (0.87%) Qualtrics
9 1 (0.87%) Refinitiv