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

6 months to
9 Apr 2026
Same period 2025 Same period 2024
Rank 39 72 59
Rank change year-on-year +33 -13 +50
Contract jobs citing Data Quality 103 48 75
As % of all contract jobs in the City of London 4.66% 2.76% 3.31%
As % of the Quality Assurance & Compliance category 23.62% 17.78% 19.95%
Number of daily rates quoted 74 28 54
10th Percentile £313 £413 £450
25th Percentile £400 £475 £513
Median daily rate (50th Percentile) £500 £553 £550
Median % change year-on-year -9.50% +0.45% -10.20%
75th Percentile £593 £681 £638
90th Percentile £746 £725 £746
Central London median daily rate £503 £553 £550
% change year-on-year -9.05% +0.45% -10.20%
Number of hourly rates quoted 2 0 0
10th Percentile £18.16 - -
25th Percentile £19.55 - -
Median hourly rate £22.62 - -
75th Percentile £26.43 - -
90th Percentile £28.27 - -
Central London median hourly rate £22.62 - -

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 436 270 376
As % of all contract IT jobs advertised in the City of London 19.75% 15.51% 16.58%
Number of daily rates quoted 297 177 274
10th Percentile £363 £375 £365
25th Percentile £450 £456 £463
Median daily rate (50th Percentile) £550 £550 £550
Median % change year-on-year - - -8.33%
75th Percentile £675 £688 £674
90th Percentile £780 £780 £750
Central London median daily rate £550 £550 £550
% change year-on-year - - -8.33%
Number of hourly rates quoted 4 0 2
10th Percentile £20.01 - £25.05
25th Percentile £24.18 - £32.75
Median hourly rate £27.75 - £46.55
Median % change year-on-year - - -21.76%
75th Percentile £41.31 - £60.64
90th Percentile £62.58 - £68.50
Central London median hourly rate £26.11 £20.35 £34.53
% change year-on-year +28.34% -41.08% +38.12%

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 9 April 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 16 (15.53%) Apache Airflow
2 5 (4.85%) Apache
3 4 (3.88%) Apache Spark
4 2 (1.94%) Confluence
4 2 (1.94%) SharePoint
5 1 (0.97%) Microsoft Exchange
5 1 (0.97%) SAS
Applications
1 11 (10.68%) Microsoft Excel
2 3 (2.91%) Microsoft PowerPoint
2 3 (2.91%) MS Visio
3 1 (0.97%) Microsoft Project
3 1 (0.97%) Spreadsheet
Business Applications
1 7 (6.80%) SAP S/4HANA
2 5 (4.85%) BambooHR
3 1 (0.97%) Actimize
3 1 (0.97%) Maximo
3 1 (0.97%) SAP ERP
3 1 (0.97%) SAP MM
3 1 (0.97%) Sparx Enterprise Architect
Cloud Services
1 32 (31.07%) Azure
2 31 (30.10%) Power Platform
3 25 (24.27%) AWS
4 20 (19.42%) Snowflake
5 12 (11.65%) Azure Data Factory
5 12 (11.65%) dbt
6 11 (10.68%) GCP
7 9 (8.74%) Prefect
8 8 (7.77%) Amazon S3
9 7 (6.80%) Collibra
9 7 (6.80%) Dagster
9 7 (6.80%) Serverless
10 6 (5.83%) AWS Lambda
10 6 (5.83%) Azure Synapse Analytics
11 4 (3.88%) Microsoft Purview
12 2 (1.94%) Amazon EventBridge
12 2 (1.94%) AWS Step Functions
12 2 (1.94%) Fivetran
12 2 (1.94%) Power Automate
12 2 (1.94%) Textract
Communications & Networking
1 1 (0.97%) Hyperconnected
Database & Business Intelligence
1 28 (27.18%) Power BI
2 21 (20.39%) Data Warehouse
3 19 (18.45%) Metadata
4 11 (10.68%) Tableau
5 10 (9.71%) Amazon Redshift
6 7 (6.80%) Data Lake
6 7 (6.80%) Snowflake Schema
6 7 (6.80%) SQL Server
7 6 (5.83%) Looker
8 5 (4.85%) BigQuery
8 5 (4.85%) Relational Database
9 4 (3.88%) Geospatial Data
9 4 (3.88%) Star Schema
10 3 (2.91%) PostgreSQL
11 2 (1.94%) Amazon RDS
11 2 (1.94%) Big Data
11 2 (1.94%) DynamoDB
11 2 (1.94%) Hadoop
11 2 (1.94%) MySQL
11 2 (1.94%) NoSQL
Development Applications
1 8 (7.77%) Git
2 3 (2.91%) JIRA
3 2 (1.94%) ERwin
3 2 (1.94%) GitLab
4 1 (0.97%) Jenkins
4 1 (0.97%) MLflow
4 1 (0.97%) PowerDesigner
General
1 41 (39.81%) Finance
2 32 (31.07%) Social Skills
3 31 (30.10%) Analytical Skills
4 18 (17.48%) Banking
5 8 (7.77%) Legal
6 5 (4.85%) Public Sector
7 4 (3.88%) Telecoms
8 3 (2.91%) Publishing
9 2 (1.94%) Financial Institution
9 2 (1.94%) Inclusion and Diversity
9 2 (1.94%) Investment Banking
9 2 (1.94%) Law
9 2 (1.94%) Retail
10 1 (0.97%) Documentation Skills
10 1 (0.97%) Front Office
10 1 (0.97%) Marketing
10 1 (0.97%) Organisational Skills
10 1 (0.97%) Pharmaceutical
Job Titles
1 34 (33.01%) Data Engineer
2 25 (24.27%) Analyst
3 17 (16.50%) Data Analyst
4 8 (7.77%) Business Analyst
5 7 (6.80%) Snowflake Data Engineer
5 7 (6.80%) Snowflake Engineer
6 6 (5.83%) Architect
6 6 (5.83%) Consultant
7 5 (4.85%) Data Architect
7 5 (4.85%) Lead
7 5 (4.85%) Senior
8 4 (3.88%) Data Modeller
8 4 (3.88%) Senior Data Engineer
9 3 (2.91%) Data Quality Analyst
9 3 (2.91%) Quality Analyst
9 3 (2.91%) Risk Analyst
10 2 (1.94%) Configuration Engineer
10 2 (1.94%) Data Consultant
10 2 (1.94%) Data Governance Specialist
10 2 (1.94%) Data Migration Engineer
Libraries, Frameworks & Software Standards
1 9 (8.74%) PySpark
2 7 (6.80%) Kafka
3 6 (5.83%) Pandas
4 4 (3.88%) GeoJSON
4 4 (3.88%) JSON
4 4 (3.88%) REST
4 4 (3.88%) scikit-learn
5 3 (2.91%) Matplotlib
5 3 (2.91%) NumPy
5 3 (2.91%) Polars
6 2 (1.94%) boto
6 2 (1.94%) Great Expectations
6 2 (1.94%) Microsoft Graph
6 2 (1.94%) Node.js
6 2 (1.94%) pytest
6 2 (1.94%) React
6 2 (1.94%) XML
7 1 (0.97%) HTML
7 1 (0.97%) SOAP
7 1 (0.97%) XSLT
Miscellaneous
1 10 (9.71%) Data Structures
1 10 (9.71%) Legacy Systems
2 7 (6.80%) Cloud Native
3 4 (3.88%) Clustering
4 3 (2.91%) Analytical Mindset
4 3 (2.91%) CMDB
4 3 (2.91%) Equities
4 3 (2.91%) Management Information System
4 3 (2.91%) Reference Data
4 3 (2.91%) Reinsurance
4 3 (2.91%) Self-Motivation
5 2 (1.94%) Derivative
5 2 (1.94%) Distributed Systems
5 2 (1.94%) Fixed Income
5 2 (1.94%) Foreign Exchange (FX)
5 2 (1.94%) Market Risk
5 2 (1.94%) NHS
5 2 (1.94%) Onboarding
5 2 (1.94%) Replication
6 1 (0.97%) LIMS
Operating Systems
1 1 (0.97%) Unix
Processes & Methodologies
1 50 (48.54%) Data Modelling
2 42 (40.78%) Data Pipeline
3 38 (36.89%) Analytics
4 36 (34.95%) Data Governance
4 36 (34.95%) ETL
5 33 (32.04%) Business Intelligence
6 32 (31.07%) Validation
7 28 (27.18%) Data Engineering
8 23 (22.33%) AI
9 19 (18.45%) Problem-Solving
10 18 (17.48%) Migration
11 17 (16.50%) CI/CD
11 17 (16.50%) Performance Tuning
11 17 (16.50%) Stakeholder Engagement
12 16 (15.53%) Data Lineage
12 16 (15.53%) Data Science
12 16 (15.53%) Use Case
13 15 (14.56%) Data Management
13 15 (14.56%) Decision-Making
13 15 (14.56%) Stakeholder Management
Programming Languages
1 55 (53.40%) SQL
2 50 (48.54%) Python
3 7 (6.80%) Data Analysis Expressions
4 5 (4.85%) Java
5 2 (1.94%) R
5 2 (1.94%) Scala
6 1 (0.97%) C#
6 1 (0.97%) C++
6 1 (0.97%) JavaScript
6 1 (0.97%) PL/SQL
6 1 (0.97%) T-SQL
6 1 (0.97%) VBA
Qualifications
1 14 (13.59%) Security Cleared
2 9 (8.74%) Degree
2 9 (8.74%) SC Cleared
3 5 (4.85%) BPSS Clearance
4 3 (2.91%) Computer Science Degree
5 2 (1.94%) DV Cleared
5 2 (1.94%) SnowPro
6 1 (0.97%) CFA
6 1 (0.97%) DBS Check
6 1 (0.97%) PMI Certification
6 1 (0.97%) PMP
6 1 (0.97%) RIBA
6 1 (0.97%) TOGAF Certification
Quality Assurance & Compliance
1 12 (11.65%) GDPR
2 10 (9.71%) QA
3 2 (1.94%) Basel III
3 2 (1.94%) ISO/IEC 27001
3 2 (1.94%) NIST
4 1 (0.97%) Accessibility
4 1 (0.97%) Actionable Recommendations
4 1 (0.97%) Dodd-Frank
4 1 (0.97%) EMIR
4 1 (0.97%) HIPAA
4 1 (0.97%) HL7
4 1 (0.97%) PMO
4 1 (0.97%) Sarbanes-Oxley
4 1 (0.97%) Solvency II
System Software
1 2 (1.94%) Docker
Systems Management
1 5 (4.85%) Terraform
2 2 (1.94%) Kubernetes
Vendors
1 24 (23.30%) Databricks
2 21 (20.39%) Microsoft
3 12 (11.65%) SAP
4 9 (8.74%) Informatica
5 6 (5.83%) Oracle
6 5 (4.85%) Workday
7 4 (3.88%) Google
7 4 (3.88%) ServiceNow
8 3 (2.91%) Salesforce
9 1 (0.97%) Alteryx
9 1 (0.97%) BMC
9 1 (0.97%) Cerner
9 1 (0.97%) IBM
9 1 (0.97%) LexisNexis
9 1 (0.97%) Marketo
9 1 (0.97%) MuleSoft
9 1 (0.97%) Palantir
9 1 (0.97%) Pega
9 1 (0.97%) Talend
9 1 (0.97%) VMware