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

6 months to
25 Jul 2026
Same period 2025 Same period 2024
Rank 39 63 66
Rank change year-on-year +24 +3 +41
Contract jobs citing Data Quality 115 64 60
As % of all contract jobs in the City of London 4.79% 3.43% 2.89%
As % of the Quality Assurance & Compliance category 27.00% 18.39% 17.09%
Number of daily rates quoted 90 48 40
10th Percentile £399 £294 £363
25th Percentile £450 £432 £472
Median daily rate (50th Percentile) £525 £513 £550
Median % change year-on-year +2.44% -6.82% -12.00%
75th Percentile £638 £625 £600
90th Percentile £775 £733 £755
Central London median daily rate £525 £513 £550
% change year-on-year +2.44% -6.82% -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 426 348 351
As % of all contract IT jobs advertised in the City of London 17.73% 18.64% 16.88%
Number of daily rates quoted 304 250 238
10th Percentile £384 £362 £363
25th Percentile £465 £434 £463
Median daily rate (50th Percentile) £550 £538 £575
Median % change year-on-year +2.33% -6.52% -4.17%
75th Percentile £669 £698 £658
90th Percentile £775 £810 £768
Central London median daily rate £550 £538 £550
% change year-on-year +2.33% -2.27% -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 25 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 13 (11.30%) 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 MDG
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 R/3
3 1 (0.87%) Workday HCM
Cloud Services
1 33 (28.70%) Azure
1 33 (28.70%) Power Platform
2 18 (15.65%) Snowflake
3 16 (13.91%) AWS
4 12 (10.43%) Azure Data Factory
4 12 (10.43%) dbt
5 9 (7.83%) Prefect
6 8 (6.96%) GCP
7 7 (6.09%) Dagster
8 6 (5.22%) Amazon S3
8 6 (5.22%) Azure DevOps
8 6 (5.22%) Collibra
9 4 (3.48%) AWS Lambda
9 4 (3.48%) Azure Synapse Analytics
9 4 (3.48%) Serverless
10 3 (2.61%) GitHub
10 3 (2.61%) Microsoft Purview
11 2 (1.74%) Fivetran
11 2 (1.74%) SaaS
11 2 (1.74%) SuccessFactors
Communications & Networking
1 1 (0.87%) SSL
Database & Business Intelligence
1 30 (26.09%) Power BI
2 20 (17.39%) Data Warehouse
3 17 (14.78%) Metadata
4 10 (8.70%) Tableau
5 9 (7.83%) Amazon Redshift
6 8 (6.96%) BigQuery
6 8 (6.96%) Data Lake
7 7 (6.09%) Relational Database
8 6 (5.22%) SQL Server
9 5 (4.35%) Looker
9 5 (4.35%) Snowflake Schema
10 4 (3.48%) Geospatial Data
10 4 (3.48%) NoSQL
10 4 (3.48%) Star Schema
11 3 (2.61%) Amazon RDS
11 3 (2.61%) Enterprise Data Warehouse
11 3 (2.61%) MongoDB
11 3 (2.61%) Semantic Layer
11 3 (2.61%) SQL Server Integration Services
12 2 (1.74%) Amazon Athena
Development Applications
1 3 (2.61%) JIRA
2 2 (1.74%) Git
2 2 (1.74%) GitLab
3 1 (0.87%) Atlassian Bamboo
3 1 (0.87%) Bitbucket
3 1 (0.87%) Eclipse
General
1 50 (43.48%) 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%) Marketing
8 3 (2.61%) Publishing
9 2 (1.74%) Advertising
9 2 (1.74%) Pharmaceutical
9 2 (1.74%) Retail
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
Job Titles
1 32 (27.83%) Analyst
2 25 (21.74%) Data Engineer
3 23 (20.00%) Data Analyst
4 14 (12.17%) Architect
5 12 (10.43%) Business Analyst
5 12 (10.43%) Data Architect
6 10 (8.70%) Lead
7 6 (5.22%) Consultant
7 6 (5.22%) Data Business Analyst
8 4 (3.48%) Developer
8 4 (3.48%) Financial Analyst
8 4 (3.48%) Snowflake Data Engineer
8 4 (3.48%) Snowflake Engineer
9 3 (2.61%) Data Consultant
9 3 (2.61%) Data Modeller
9 3 (2.61%) Data Quality Analyst
9 3 (2.61%) Integration Engineer
9 3 (2.61%) Quality Analyst
10 2 (1.74%) Data Manager
10 2 (1.74%) SAP Business Analyst
Libraries, Frameworks & Software Standards
1 11 (9.57%) PySpark
2 6 (5.22%) 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%) 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%) Microsoft Graph
6 1 (0.87%) OpenTelemetry
6 1 (0.87%) PCRE
6 1 (0.87%) Spark Streaming
6 1 (0.87%) Spring Boot
Miscellaneous
1 13 (11.30%) Data Structures
2 8 (6.96%) Cloud Native
2 8 (6.96%) Legacy Systems
2 8 (6.96%) Onboarding
3 5 (4.35%) Product Ownership
3 5 (4.35%) Reference Data
4 4 (3.48%) Management Information System
5 3 (2.61%) Clustering
5 3 (2.61%) Fixed Income
5 3 (2.61%) Foreign Exchange (FX)
5 3 (2.61%) NHS
6 2 (1.74%) Analytical Mindset
6 2 (1.74%) CMDB
6 2 (1.74%) Distributed Systems
6 2 (1.74%) FMCG
6 2 (1.74%) Freedom of Information
6 2 (1.74%) Hedge funds
6 2 (1.74%) Self-Motivation
7 1 (0.87%) Security Posture
7 1 (0.87%) Virtual Team
Operating Systems
1 1 (0.87%) Linux
1 1 (0.87%) Unix
1 1 (0.87%) Windows
Processes & Methodologies
1 54 (46.96%) Data Modelling
2 50 (43.48%) Analytics
3 43 (37.39%) Data Governance
4 39 (33.91%) Validation
5 38 (33.04%) Business Intelligence
6 32 (27.83%) Data Pipeline
7 31 (26.96%) ETL
8 29 (25.22%) Data Engineering
9 27 (23.48%) Stakeholder Engagement
10 25 (21.74%) AI
11 22 (19.13%) Stakeholder Management
12 21 (18.26%) Migration
13 18 (15.65%) Data Architecture
14 17 (14.78%) Data Analysis
14 17 (14.78%) Decision-Making
15 16 (13.91%) Agile
15 16 (13.91%) Data Migration
16 15 (13.04%) Data Management
16 15 (13.04%) Problem-Solving
16 15 (13.04%) Use Case
Programming Languages
1 56 (48.70%) SQL
2 41 (35.65%) Python
3 7 (6.09%) Data Analysis Expressions
3 7 (6.09%) Java
4 2 (1.74%) PL/SQL
4 2 (1.74%) PowerShell
4 2 (1.74%) Scala
5 1 (0.87%) C#
5 1 (0.87%) Perl
5 1 (0.87%) T-SQL
5 1 (0.87%) VBA
Qualifications
1 14 (12.17%) Security Cleared
2 10 (8.70%) SC Cleared
3 7 (6.09%) 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 9 (7.83%) 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
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 25 (21.74%) Microsoft
2 18 (15.65%) 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%) Automation Anywhere
9 1 (0.87%) Bloomberg
9 1 (0.87%) Denodo
9 1 (0.87%) IFS
9 1 (0.87%) LexisNexis
9 1 (0.87%) Qualtrics
9 1 (0.87%) Refinitiv