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

6 months to
2 Apr 2026
Same period 2025 Same period 2024
Rank 41 72 57
Rank change year-on-year +31 -15 +50
Contract jobs citing Data Quality 104 45 77
As % of all contract jobs in the City of London 4.83% 2.60% 3.34%
As % of the Quality Assurance & Compliance category 23.96% 16.79% 20.53%
Number of daily rates quoted 74 27 57
10th Percentile £313 £413 £450
25th Percentile £400 £474 £513
Median daily rate (50th Percentile) £503 £535 £550
Median % change year-on-year -6.07% -2.73% -10.20%
75th Percentile £593 £683 £680
90th Percentile £746 £725 £747
Central London median daily rate £505 £535 £550
% change year-on-year -5.61% -2.73% -8.33%
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 434 268 375
As % of all contract IT jobs advertised in the City of London 20.15% 15.48% 16.28%
Number of daily rates quoted 295 174 275
10th Percentile £363 £375 £366
25th Percentile £456 £456 £463
Median daily rate (50th Percentile) £550 £554 £550
Median % change year-on-year -0.63% +0.64% -8.33%
75th Percentile £675 £688 £675
90th Percentile £800 £783 £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 2 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 (15.38%) Apache Airflow
2 6 (5.77%) Apache Spark
3 5 (4.81%) Apache
4 2 (1.92%) Confluence
4 2 (1.92%) SharePoint
5 1 (0.96%) Microsoft Exchange
5 1 (0.96%) SAS
Applications
1 11 (10.58%) Microsoft Excel
2 3 (2.88%) Microsoft PowerPoint
2 3 (2.88%) MS Visio
3 1 (0.96%) Microsoft Project
3 1 (0.96%) Spreadsheet
Business Applications
1 7 (6.73%) SAP S/4HANA
2 3 (2.88%) BambooHR
3 1 (0.96%) Actimize
3 1 (0.96%) Maximo
3 1 (0.96%) SAP ERP
3 1 (0.96%) SAP MM
3 1 (0.96%) Sparx Enterprise Architect
Cloud Services
1 34 (32.69%) Azure
2 29 (27.88%) AWS
2 29 (27.88%) Power Platform
3 20 (19.23%) Snowflake
4 12 (11.54%) Azure Data Factory
4 12 (11.54%) dbt
5 10 (9.62%) GCP
6 9 (8.65%) Amazon S3
7 8 (7.69%) Serverless
8 7 (6.73%) AWS Lambda
8 7 (6.73%) Collibra
8 7 (6.73%) Prefect
9 6 (5.77%) Azure Synapse Analytics
10 5 (4.81%) Dagster
10 5 (4.81%) Microsoft Purview
11 2 (1.92%) Amazon EventBridge
11 2 (1.92%) Azure Storage
11 2 (1.92%) Fivetran
11 2 (1.92%) Power Automate
11 2 (1.92%) Textract
Communications & Networking
1 1 (0.96%) Hyperconnected
Database & Business Intelligence
1 26 (25.00%) Power BI
2 21 (20.19%) Data Warehouse
2 21 (20.19%) Metadata
3 9 (8.65%) SQL Server
3 9 (8.65%) Tableau
4 8 (7.69%) Amazon Redshift
5 7 (6.73%) Snowflake Schema
6 6 (5.77%) Data Lake
7 5 (4.81%) Relational Database
8 4 (3.85%) Geospatial Data
8 4 (3.85%) Looker
8 4 (3.85%) MySQL
8 4 (3.85%) SQL Server Integration Services
8 4 (3.85%) Star Schema
9 3 (2.88%) BigQuery
9 3 (2.88%) PostgreSQL
10 2 (1.92%) CockroachDB
10 2 (1.92%) Delta Lake
10 2 (1.92%) Semantic Layer
10 2 (1.92%) Spatial Data
Development Applications
1 10 (9.62%) Git
2 3 (2.88%) Jenkins
2 3 (2.88%) JIRA
3 2 (1.92%) ERwin
3 2 (1.92%) GitLab
4 1 (0.96%) MLflow
4 1 (0.96%) PowerDesigner
General
1 41 (39.42%) Finance
2 31 (29.81%) Social Skills
3 30 (28.85%) Analytical Skills
4 20 (19.23%) Banking
5 6 (5.77%) Legal
5 6 (5.77%) Public Sector
6 3 (2.88%) Publishing
6 3 (2.88%) Telecoms
7 2 (1.92%) Financial Institution
7 2 (1.92%) Inclusion and Diversity
7 2 (1.92%) Investment Banking
7 2 (1.92%) Law
7 2 (1.92%) Retail
8 1 (0.96%) Documentation Skills
8 1 (0.96%) Front Office
8 1 (0.96%) Marketing
8 1 (0.96%) Organisational Skills
8 1 (0.96%) Pharmaceutical
Job Titles
1 33 (31.73%) Data Engineer
2 25 (24.04%) Analyst
3 17 (16.35%) Data Analyst
4 7 (6.73%) Business Analyst
4 7 (6.73%) Snowflake Data Engineer
4 7 (6.73%) Snowflake Engineer
5 6 (5.77%) Architect
5 6 (5.77%) Consultant
5 6 (5.77%) Lead
6 5 (4.81%) Data Architect
6 5 (4.81%) Senior
7 4 (3.85%) Data Modeller
7 4 (3.85%) Senior Data Engineer
8 3 (2.88%) Data Quality Analyst
8 3 (2.88%) Quality Analyst
8 3 (2.88%) Risk Analyst
9 2 (1.92%) Configuration Engineer
9 2 (1.92%) Data Consultant
9 2 (1.92%) Data Governance Specialist
9 2 (1.92%) Data Migration Engineer
Libraries, Frameworks & Software Standards
1 9 (8.65%) Kafka
1 9 (8.65%) PySpark
2 6 (5.77%) Pandas
3 4 (3.85%) GeoJSON
3 4 (3.85%) JSON
3 4 (3.85%) REST
3 4 (3.85%) scikit-learn
4 3 (2.88%) Matplotlib
4 3 (2.88%) NumPy
4 3 (2.88%) Polars
5 2 (1.92%) boto
5 2 (1.92%) Great Expectations
5 2 (1.92%) Microsoft Graph
5 2 (1.92%) Node.js
5 2 (1.92%) pytest
5 2 (1.92%) React
5 2 (1.92%) XML
6 1 (0.96%) Next.js
6 1 (0.96%) PyTorch
6 1 (0.96%) Vert.x
Miscellaneous
1 10 (9.62%) Data Structures
1 10 (9.62%) Legacy Systems
2 9 (8.65%) Cloud Native
3 4 (3.85%) Clustering
4 3 (2.88%) Analytical Mindset
4 3 (2.88%) CMDB
4 3 (2.88%) Equities
4 3 (2.88%) Management Information System
4 3 (2.88%) Reference Data
4 3 (2.88%) Reinsurance
4 3 (2.88%) Self-Motivation
5 2 (1.92%) Data Fabric
5 2 (1.92%) Derivative
5 2 (1.92%) Fixed Income
5 2 (1.92%) Foreign Exchange (FX)
5 2 (1.92%) Market Risk
5 2 (1.92%) NHS
5 2 (1.92%) Onboarding
5 2 (1.92%) Replication
6 1 (0.96%) LIMS
Operating Systems
1 1 (0.96%) Unix
Processes & Methodologies
1 49 (47.12%) Data Modelling
2 41 (39.42%) Data Pipeline
3 38 (36.54%) Analytics
4 37 (35.58%) Data Governance
5 35 (33.65%) ETL
6 33 (31.73%) Validation
7 32 (30.77%) Business Intelligence
8 27 (25.96%) Data Engineering
9 25 (24.04%) AI
10 20 (19.23%) Performance Tuning
10 20 (19.23%) Problem-Solving
11 19 (18.27%) Migration
11 19 (18.27%) Stakeholder Engagement
12 18 (17.31%) CI/CD
13 17 (16.35%) Data Lineage
14 15 (14.42%) Data Integration
14 15 (14.42%) Data Management
14 15 (14.42%) Data Science
14 15 (14.42%) Stakeholder Management
15 14 (13.46%) Use Case
Programming Languages
1 58 (55.77%) SQL
2 50 (48.08%) Python
3 7 (6.73%) Data Analysis Expressions
4 4 (3.85%) Java
5 2 (1.92%) PL/SQL
5 2 (1.92%) R
5 2 (1.92%) Scala
6 1 (0.96%) C#
6 1 (0.96%) C++
6 1 (0.96%) JavaScript
6 1 (0.96%) T-SQL
6 1 (0.96%) VBA
Qualifications
1 13 (12.50%) Security Cleared
2 9 (8.65%) Degree
3 8 (7.69%) SC Cleared
4 5 (4.81%) BPSS Clearance
5 3 (2.88%) Computer Science Degree
6 2 (1.92%) DV Cleared
6 2 (1.92%) SnowPro
7 1 (0.96%) CFA
7 1 (0.96%) DBS Check
7 1 (0.96%) PMI Certification
7 1 (0.96%) PMP
7 1 (0.96%) RIBA
7 1 (0.96%) TOGAF Certification
Quality Assurance & Compliance
1 12 (11.54%) QA
2 10 (9.62%) GDPR
3 2 (1.92%) Basel III
3 2 (1.92%) ISO/IEC 27001
3 2 (1.92%) NIST
4 1 (0.96%) Accessibility
4 1 (0.96%) Actionable Recommendations
4 1 (0.96%) Dodd-Frank
4 1 (0.96%) EMIR
4 1 (0.96%) HIPAA
4 1 (0.96%) HL7
4 1 (0.96%) PMO
4 1 (0.96%) Sarbanes-Oxley
4 1 (0.96%) Solvency II
System Software
1 1 (0.96%) Docker
Systems Management
1 7 (6.73%) Terraform
2 2 (1.92%) Kubernetes
Vendors
1 24 (23.08%) Databricks
2 21 (20.19%) Microsoft
3 12 (11.54%) SAP
4 11 (10.58%) Informatica
5 9 (8.65%) Oracle
6 4 (3.85%) Google
6 4 (3.85%) ServiceNow
7 3 (2.88%) Salesforce
7 3 (2.88%) Talend
7 3 (2.88%) Workday
8 1 (0.96%) Alteryx
8 1 (0.96%) BMC
8 1 (0.96%) Cerner
8 1 (0.96%) IBM
8 1 (0.96%) LexisNexis
8 1 (0.96%) Marketo
8 1 (0.96%) MuleSoft
8 1 (0.96%) Palantir
8 1 (0.96%) Pega
8 1 (0.96%) VMware