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

6 months to
28 May 2026
Same period 2025 Same period 2024
Rank 41 65 60
Rank change year-on-year +24 -5 +49
Contract jobs citing Data Quality 108 55 64
As % of all contract jobs in the City of London 4.65% 3.30% 2.97%
As % of the Quality Assurance & Compliance category 25.47% 18.64% 17.34%
Number of daily rates quoted 78 32 46
10th Percentile £315 £425 £431
25th Percentile £400 £475 £491
Median daily rate (50th Percentile) £500 £530 £550
Median % change year-on-year -5.66% -3.64% -8.33%
75th Percentile £593 £631 £584
90th Percentile £738 £724 £680
Central London median daily rate £500 £530 £550
% change year-on-year -5.66% -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 424 295 369
As % of all contract IT jobs advertised in the City of London 18.24% 17.71% 17.13%
Number of daily rates quoted 289 194 268
10th Percentile £325 £375 £363
25th Percentile £425 £462 £463
Median daily rate (50th Percentile) £525 £561 £550
Median % change year-on-year -6.42% +2.00% -8.33%
75th Percentile £653 £713 £650
90th Percentile £750 £824 £750
Central London median daily rate £528 £568 £550
% change year-on-year -7.05% +3.18% -8.33%
Number of hourly rates quoted 3 1 3
10th Percentile £19.23 - £16.78
25th Percentile £22.24 - £17.96
Median hourly rate £27.50 £22.00 £20.61
Median % change year-on-year +25.00% +6.77% -
75th Percentile £52.25 - £22.65
90th Percentile £66.95 - £23.46
Central London median hourly rate £26.11 £22.50 £23.40
% change year-on-year +16.04% -3.85% -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 28 May 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 (12.96%) Apache Airflow
2 4 (3.70%) Apache
3 3 (2.78%) Apache Spark
3 3 (2.78%) Confluence
4 2 (1.85%) SharePoint
5 1 (0.93%) Microsoft Exchange
5 1 (0.93%) SAS
Applications
1 12 (11.11%) Microsoft Excel
2 4 (3.70%) Microsoft PowerPoint
2 4 (3.70%) MS Visio
3 1 (0.93%) Microsoft Project
3 1 (0.93%) Spreadsheet
Business Applications
1 6 (5.56%) SAP S/4HANA
2 5 (4.63%) BambooHR
3 1 (0.93%) Actimize
3 1 (0.93%) SAP ERP
3 1 (0.93%) SAP MM
Cloud Services
1 34 (31.48%) Azure
1 34 (31.48%) Power Platform
2 22 (20.37%) AWS
3 17 (15.74%) Snowflake
4 12 (11.11%) Azure Data Factory
5 10 (9.26%) dbt
6 9 (8.33%) Amazon S3
6 9 (8.33%) GCP
7 8 (7.41%) Prefect
7 8 (7.41%) Serverless
8 7 (6.48%) AWS Lambda
8 7 (6.48%) Collibra
9 6 (5.56%) Dagster
10 5 (4.63%) Azure Synapse Analytics
10 5 (4.63%) Microsoft Purview
11 3 (2.78%) Amazon SageMaker
12 2 (1.85%) Amazon Kinesis
12 2 (1.85%) GitHub
12 2 (1.85%) Microsoft 365
12 2 (1.85%) SuccessFactors
Database & Business Intelligence
1 31 (28.70%) Power BI
2 20 (18.52%) Metadata
3 18 (16.67%) Data Warehouse
4 12 (11.11%) Tableau
5 10 (9.26%) Amazon Redshift
6 8 (7.41%) SQL Server
7 6 (5.56%) BigQuery
7 6 (5.56%) Data Lake
7 6 (5.56%) Looker
7 6 (5.56%) Snowflake Schema
8 5 (4.63%) Relational Database
9 4 (3.70%) Geospatial Data
10 3 (2.78%) Amazon Athena
10 3 (2.78%) Delta Lake
10 3 (2.78%) Star Schema
11 2 (1.85%) CockroachDB
11 2 (1.85%) Metadata Repository
11 2 (1.85%) PostgreSQL
11 2 (1.85%) Semantic Layer
11 2 (1.85%) SQL Server Integration Services
Development Applications
1 4 (3.70%) Git
1 4 (3.70%) JIRA
2 2 (1.85%) GitLab
3 1 (0.93%) Eclipse
3 1 (0.93%) ERwin
3 1 (0.93%) MLflow
General
1 47 (43.52%) Finance
2 31 (28.70%) Analytical Skills
3 27 (25.00%) Social Skills
4 20 (18.52%) Banking
5 6 (5.56%) Legal
5 6 (5.56%) Public Sector
6 4 (3.70%) Telecoms
7 3 (2.78%) Publishing
8 2 (1.85%) Documentation Skills
8 2 (1.85%) Financial Institution
8 2 (1.85%) Investment Banking
9 1 (0.93%) Advertising
9 1 (0.93%) Front Office
9 1 (0.93%) Inclusion and Diversity
9 1 (0.93%) Marketing
9 1 (0.93%) Military
9 1 (0.93%) Organisational Skills
9 1 (0.93%) Pharmaceutical
9 1 (0.93%) Retail
Job Titles
1 29 (26.85%) Analyst
1 29 (26.85%) Data Engineer
2 19 (17.59%) Data Analyst
3 9 (8.33%) Architect
3 9 (8.33%) Business Analyst
4 7 (6.48%) Data Architect
5 6 (5.56%) Consultant
5 6 (5.56%) Lead
5 6 (5.56%) Snowflake Data Engineer
5 6 (5.56%) Snowflake Engineer
6 3 (2.78%) Azure Data Engineer
6 3 (2.78%) Azure Engineer
6 3 (2.78%) Data Quality Analyst
6 3 (2.78%) Financial Analyst
6 3 (2.78%) Quality Analyst
6 3 (2.78%) Risk Analyst
6 3 (2.78%) Senior
7 2 (1.85%) Data Business Analyst
7 2 (1.85%) Data Consultant
7 2 (1.85%) Data Migration Engineer
Libraries, Frameworks & Software Standards
1 11 (10.19%) PySpark
2 6 (5.56%) Kafka
2 6 (5.56%) Pandas
3 4 (3.70%) GeoJSON
3 4 (3.70%) REST
3 4 (3.70%) scikit-learn
4 3 (2.78%) Matplotlib
4 3 (2.78%) NumPy
4 3 (2.78%) Polars
5 2 (1.85%) boto
5 2 (1.85%) Great Expectations
5 2 (1.85%) JSON
5 2 (1.85%) Microsoft Graph
5 2 (1.85%) Node.js
5 2 (1.85%) pytest
5 2 (1.85%) PyTorch
5 2 (1.85%) React
6 1 (0.93%) Next.js
6 1 (0.93%) SAP Fiori
6 1 (0.93%) Vert.x
Miscellaneous
1 9 (8.33%) Legacy Systems
2 8 (7.41%) Data Structures
3 7 (6.48%) Cloud Native
4 4 (3.70%) Clustering
4 4 (3.70%) Management Information System
4 4 (3.70%) Onboarding
5 3 (2.78%) Analytical Mindset
5 3 (2.78%) CMDB
5 3 (2.78%) Equities
5 3 (2.78%) Reference Data
5 3 (2.78%) Self-Motivation
6 2 (1.85%) Algorithms
6 2 (1.85%) Derivative
6 2 (1.85%) Distributed Systems
6 2 (1.85%) Fixed Income
6 2 (1.85%) Foreign Exchange (FX)
6 2 (1.85%) Freedom of Information
6 2 (1.85%) Market Risk
6 2 (1.85%) NHS
6 2 (1.85%) Product Ownership
Processes & Methodologies
1 49 (45.37%) Data Modelling
2 43 (39.81%) Analytics
3 39 (36.11%) Data Pipeline
4 36 (33.33%) Validation
5 35 (32.41%) Business Intelligence
5 35 (32.41%) Data Governance
6 30 (27.78%) Data Engineering
6 30 (27.78%) ETL
7 24 (22.22%) AI
8 18 (16.67%) Migration
8 18 (16.67%) Use Case
9 17 (15.74%) Stakeholder Engagement
10 16 (14.81%) Decision-Making
10 16 (14.81%) Problem-Solving
10 16 (14.81%) Stakeholder Management
11 15 (13.89%) Data Analysis
11 15 (13.89%) Data Science
12 14 (12.96%) Data Management
12 14 (12.96%) Performance Tuning
13 13 (12.04%) Data Lineage
Programming Languages
1 54 (50.00%) SQL
2 46 (42.59%) Python
3 9 (8.33%) Data Analysis Expressions
4 6 (5.56%) Java
5 3 (2.78%) Scala
6 2 (1.85%) T-SQL
7 1 (0.93%) C#
7 1 (0.93%) JavaScript
7 1 (0.93%) PL/SQL
7 1 (0.93%) VBA
Qualifications
1 16 (14.81%) Security Cleared
2 11 (10.19%) Degree
2 11 (10.19%) SC Cleared
3 5 (4.63%) BPSS Clearance
4 3 (2.78%) Computer Science Degree
5 2 (1.85%) DBS Check
5 2 (1.85%) DV Cleared
5 2 (1.85%) PMI Certification
5 2 (1.85%) SnowPro
6 1 (0.93%) ACCA
6 1 (0.93%) Azure Certification
6 1 (0.93%) CBAP
6 1 (0.93%) CFA
6 1 (0.93%) CIMA
6 1 (0.93%) PMP
6 1 (0.93%) RIBA
Quality Assurance & Compliance
1 13 (12.04%) QA
2 11 (10.19%) GDPR
3 3 (2.78%) Accessibility
4 2 (1.85%) Basel III
4 2 (1.85%) ISO/IEC 27001
4 2 (1.85%) NIST
5 1 (0.93%) HIPAA
5 1 (0.93%) HL7
5 1 (0.93%) PMO
5 1 (0.93%) Sarbanes-Oxley
5 1 (0.93%) Solvency II
System Software
1 3 (2.78%) Docker
Systems Management
1 3 (2.78%) Terraform
2 2 (1.85%) Kubernetes
Vendors
1 24 (22.22%) Microsoft
2 20 (18.52%) Databricks
3 11 (10.19%) SAP
4 9 (8.33%) Informatica
5 6 (5.56%) Oracle
6 5 (4.63%) Workday
7 4 (3.70%) Google
7 4 (3.70%) Salesforce
8 3 (2.78%) ServiceNow
9 1 (0.93%) Alteryx
9 1 (0.93%) BMC
9 1 (0.93%) Cerner
9 1 (0.93%) LexisNexis
9 1 (0.93%) Marketo
9 1 (0.93%) MuleSoft
9 1 (0.93%) Pega
9 1 (0.93%) Qualtrics
9 1 (0.93%) Talend
9 1 (0.93%) VMware
9 1 (0.93%) Zerto