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

6 months to
19 Jul 2026
Same period 2025 Same period 2024
Rank 44 63 70
Rank change year-on-year +19 +7 +40
Contract jobs citing Data Quality 107 64 59
As % of all contract jobs in the City of London 4.40% 3.41% 2.76%
As % of the Quality Assurance & Compliance category 25.24% 18.29% 16.21%
Number of daily rates quoted 82 47 41
10th Percentile £369 £293 £363
25th Percentile £436 £474 £475
Median daily rate (50th Percentile) £525 £525 £550
Median % change year-on-year - -4.55% -12.00%
75th Percentile £638 £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 424 350 364
As % of all contract IT jobs advertised in the City of London 17.43% 18.67% 17.01%
Number of daily rates quoted 300 252 250
10th Percentile £375 £363 £363
25th Percentile £463 £449 £463
Median daily rate (50th Percentile) £550 £544 £575
Median % change year-on-year +1.15% -5.43% -4.17%
75th Percentile £668 £700 £650
90th Percentile £775 £812 £775
Central London median daily rate £550 £550 £550
% change year-on-year - - -8.33%
Number of hourly rates quoted 2 3 3
10th Percentile £31.75 £28.05 £16.78
25th Percentile £38.50 £37.13 £17.96
Median hourly rate £51.00 £54.50 £20.61
Median % change year-on-year -6.42% +164.50% -
75th Percentile £64.50 £72.75 £22.65
90th Percentile £71.85 £82.35 £23.46
Central London median hourly rate £42.50 £34.48 £23.40
% change year-on-year +23.26% +47.35% -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 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 15 (14.02%) Apache Airflow
2 4 (3.74%) Apache
3 3 (2.80%) Confluence
4 2 (1.87%) Apache Spark
4 2 (1.87%) HCL Notes
4 2 (1.87%) SharePoint
5 1 (0.93%) Microsoft Exchange
5 1 (0.93%) Palantir Foundry
5 1 (0.93%) SAS
Applications
1 11 (10.28%) Microsoft Excel
2 3 (2.80%) Microsoft PowerPoint
3 2 (1.87%) MS Visio
4 1 (0.93%) Microsoft Project
4 1 (0.93%) Spreadsheet
Business Applications
1 5 (4.67%) BambooHR
2 2 (1.87%) SAP S/4HANA
3 1 (0.93%) Actimize
3 1 (0.93%) Aladdin
3 1 (0.93%) Maximo
3 1 (0.93%) Oracle Financials
3 1 (0.93%) SAP MDG
3 1 (0.93%) SAP R/3
3 1 (0.93%) Workday HCM
Cloud Services
1 34 (31.78%) Power Platform
2 29 (27.10%) Azure
3 20 (18.69%) Snowflake
4 18 (16.82%) AWS
5 13 (12.15%) dbt
6 9 (8.41%) Azure Data Factory
6 9 (8.41%) GCP
6 9 (8.41%) Prefect
7 7 (6.54%) Amazon S3
7 7 (6.54%) Collibra
7 7 (6.54%) Dagster
8 5 (4.67%) AWS Lambda
8 5 (4.67%) Serverless
9 3 (2.80%) Azure Synapse Analytics
9 3 (2.80%) GitHub
9 3 (2.80%) Microsoft Purview
10 2 (1.87%) Amazon Kinesis
10 2 (1.87%) Fivetran
10 2 (1.87%) Microsoft 365
10 2 (1.87%) SuccessFactors
Database & Business Intelligence
1 31 (28.97%) Power BI
2 20 (18.69%) Data Warehouse
3 17 (15.89%) Metadata
4 11 (10.28%) Tableau
5 9 (8.41%) Amazon Redshift
6 8 (7.48%) BigQuery
7 6 (5.61%) Data Lake
7 6 (5.61%) Looker
7 6 (5.61%) Snowflake Schema
8 5 (4.67%) Relational Database
8 5 (4.67%) SQL Server
9 4 (3.74%) Geospatial Data
9 4 (3.74%) NoSQL
9 4 (3.74%) Star Schema
10 3 (2.80%) Amazon RDS
10 3 (2.80%) Enterprise Data Warehouse
10 3 (2.80%) MongoDB
10 3 (2.80%) Semantic Layer
11 2 (1.87%) Amazon Athena
11 2 (1.87%) Spatial Data
Development Applications
1 4 (3.74%) Git
2 3 (2.80%) JIRA
3 2 (1.87%) GitLab
4 1 (0.93%) Atlassian Bamboo
4 1 (0.93%) Bitbucket
4 1 (0.93%) Eclipse
General
1 47 (43.93%) Finance
2 34 (31.78%) Analytical Skills
3 32 (29.91%) Social Skills
4 15 (14.02%) Banking
5 7 (6.54%) Legal
6 5 (4.67%) Public Sector
7 4 (3.74%) Telecoms
8 3 (2.80%) Front Office
8 3 (2.80%) Publishing
9 2 (1.87%) Marketing
10 1 (0.93%) Advertising
10 1 (0.93%) Documentation Skills
10 1 (0.93%) Inclusion and Diversity
10 1 (0.93%) Influencing Skills
10 1 (0.93%) Military
10 1 (0.93%) Organisational Skills
10 1 (0.93%) Pharmaceutical
10 1 (0.93%) Retail
Job Titles
1 30 (28.04%) Analyst
2 25 (23.36%) Data Engineer
3 21 (19.63%) Data Analyst
4 11 (10.28%) Architect
4 11 (10.28%) Business Analyst
5 10 (9.35%) Lead
6 9 (8.41%) Data Architect
7 7 (6.54%) Consultant
8 6 (5.61%) Snowflake Data Engineer
8 6 (5.61%) Snowflake Engineer
9 5 (4.67%) Data Business Analyst
10 3 (2.80%) Data Consultant
10 3 (2.80%) Data Quality Analyst
10 3 (2.80%) Financial Analyst
10 3 (2.80%) Quality Analyst
11 2 (1.87%) Azure Architect
11 2 (1.87%) GCP Data Engineer
11 2 (1.87%) GCP Engineer
11 2 (1.87%) Platform Architect
11 2 (1.87%) Senior Data Engineer
Libraries, Frameworks & Software Standards
1 7 (6.54%) Kafka
1 7 (6.54%) PySpark
2 4 (3.74%) GeoJSON
2 4 (3.74%) JSON
3 3 (2.80%) Matplotlib
3 3 (2.80%) Pandas
3 3 (2.80%) Polars
3 3 (2.80%) scikit-learn
4 2 (1.87%) Great Expectations
4 2 (1.87%) Microsoft Graph
4 2 (1.87%) Node.js
4 2 (1.87%) pytest
4 2 (1.87%) React
5 1 (0.93%) DCOM
5 1 (0.93%) EDI
5 1 (0.93%) Oracle Fusion
5 1 (0.93%) Spring
5 1 (0.93%) Vert.x
5 1 (0.93%) XML
5 1 (0.93%) XSLT
Miscellaneous
1 9 (8.41%) Data Structures
1 9 (8.41%) Legacy Systems
2 8 (7.48%) Cloud Native
3 6 (5.61%) Onboarding
4 5 (4.67%) Product Ownership
5 4 (3.74%) Clustering
5 4 (3.74%) Reference Data
6 3 (2.80%) Analytical Mindset
6 3 (2.80%) Fixed Income
6 3 (2.80%) Foreign Exchange (FX)
6 3 (2.80%) NHS
7 2 (1.87%) CMDB
7 2 (1.87%) Distributed Systems
7 2 (1.87%) Freedom of Information
7 2 (1.87%) Hedge funds
7 2 (1.87%) Self-Motivation
8 1 (0.93%) Derivative
8 1 (0.93%) Equities
8 1 (0.93%) Security Posture
8 1 (0.93%) Taxonomies
Processes & Methodologies
1 48 (44.86%) Data Modelling
2 47 (43.93%) Analytics
3 39 (36.45%) Data Governance
3 39 (36.45%) Validation
4 36 (33.64%) Business Intelligence
5 32 (29.91%) Data Pipeline
6 30 (28.04%) Data Engineering
7 26 (24.30%) AI
7 26 (24.30%) ETL
8 22 (20.56%) Stakeholder Engagement
9 20 (18.69%) Stakeholder Management
10 18 (16.82%) Decision-Making
10 18 (16.82%) Migration
11 16 (14.95%) Use Case
12 15 (14.02%) Data Analysis
12 15 (14.02%) Data Management
13 14 (13.08%) CI/CD
13 14 (13.08%) Data Architecture
13 14 (13.08%) Data Transformation
13 14 (13.08%) Problem-Solving
Programming Languages
1 48 (44.86%) SQL
2 38 (35.51%) Python
3 8 (7.48%) Data Analysis Expressions
4 5 (4.67%) Java
5 2 (1.87%) Scala
6 1 (0.93%) C#
6 1 (0.93%) T-SQL
6 1 (0.93%) VBA
Qualifications
1 14 (13.08%) Security Cleared
2 10 (9.35%) SC Cleared
3 8 (7.48%) Degree
4 5 (4.67%) BPSS Clearance
5 2 (1.87%) Computer Science Degree
5 2 (1.87%) DBS Check
5 2 (1.87%) DV Cleared
5 2 (1.87%) SnowPro
6 1 (0.93%) ACCA
6 1 (0.93%) Azure Certification
6 1 (0.93%) CBAP
6 1 (0.93%) CIMA
6 1 (0.93%) PMI Certification
6 1 (0.93%) RIBA
Quality Assurance & Compliance
1 13 (12.15%) QA
2 10 (9.35%) GDPR
3 3 (2.80%) Accessibility
4 1 (0.93%) HIPAA
4 1 (0.93%) NIST
4 1 (0.93%) PMO
4 1 (0.93%) Sarbanes-Oxley
4 1 (0.93%) Solvency II
System Software
1 4 (3.74%) Docker
2 1 (0.93%) Active Directory
Systems Management
1 4 (3.74%) Terraform
2 2 (1.87%) Kubernetes
Vendors
1 23 (21.50%) Microsoft
2 16 (14.95%) Databricks
3 10 (9.35%) Informatica
4 7 (6.54%) Workday
5 6 (5.61%) SAP
6 5 (4.67%) Oracle
7 4 (3.74%) Google
8 3 (2.80%) Palantir
8 3 (2.80%) Salesforce
9 2 (1.87%) Lotus
9 2 (1.87%) ServiceNow
9 2 (1.87%) Talend
10 1 (0.93%) Automation Anywhere
10 1 (0.93%) Denodo
10 1 (0.93%) IFS
10 1 (0.93%) LexisNexis
10 1 (0.93%) Marketo
10 1 (0.93%) MuleSoft
10 1 (0.93%) Qualtrics
10 1 (0.93%) Refinitiv