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

6 months to
15 Apr 2026
Same period 2025 Same period 2024
Rank 44 70 59
Rank change year-on-year +26 -11 +49
Contract jobs citing Data Quality 104 46 72
As % of all contract jobs in the City of London 4.70% 2.64% 3.24%
As % of the Quality Assurance & Compliance category 24.24% 16.61% 19.30%
Number of daily rates quoted 75 26 52
10th Percentile £313 £440 £450
25th Percentile £400 £480 £509
Median daily rate (50th Percentile) £500 £575 £550
Median % change year-on-year -13.04% +4.55% -10.20%
75th Percentile £591 £685 £647
90th Percentile £745 £725 £749
Central London median daily rate £505 £575 £550
% change year-on-year -12.17% +4.55% -12.00%
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 429 277 373
As % of all contract IT jobs advertised in the City of London 19.39% 15.87% 16.78%
Number of daily rates quoted 296 180 272
10th Percentile £363 £375 £363
25th Percentile £442 £462 £463
Median daily rate (50th Percentile) £528 £564 £550
Median % change year-on-year -6.43% +2.50% -8.33%
75th Percentile £656 £688 £675
90th Percentile £775 £800 £750
Central London median daily rate £528 £560 £550
% change year-on-year -5.76% +1.77% -8.33%
Number of hourly rates quoted 4 0 4
10th Percentile £20.01 - £17.18
25th Percentile £24.18 - £18.94
Median hourly rate £27.75 - £21.80
Median % change year-on-year - - -63.36%
75th Percentile £41.31 - £36.44
90th Percentile £62.58 - £58.83
Central London median hourly rate £26.11 £20.35 £24.78
% change year-on-year +28.34% -17.90% -0.88%

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 15 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 5 (4.81%) Apache
3 4 (3.85%) Apache Spark
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 5 (4.81%) 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 33 (31.73%) Azure
2 32 (30.77%) Power Platform
3 26 (25.00%) AWS
4 20 (19.23%) Snowflake
5 12 (11.54%) Azure Data Factory
5 12 (11.54%) dbt
6 11 (10.58%) GCP
7 9 (8.65%) Amazon S3
7 9 (8.65%) Prefect
8 8 (7.69%) Serverless
9 7 (6.73%) AWS Lambda
9 7 (6.73%) Collibra
9 7 (6.73%) Dagster
10 6 (5.77%) Azure Synapse Analytics
11 4 (3.85%) Microsoft Purview
12 3 (2.88%) Amazon SageMaker
13 2 (1.92%) Amazon EventBridge
13 2 (1.92%) Amazon Kinesis
13 2 (1.92%) Azure DevOps
13 2 (1.92%) Textract
Communications & Networking
1 1 (0.96%) Hyperconnected
Database & Business Intelligence
1 29 (27.88%) Power BI
2 20 (19.23%) Data Warehouse
3 19 (18.27%) Metadata
4 12 (11.54%) Tableau
5 10 (9.62%) Amazon Redshift
6 7 (6.73%) Data Lake
6 7 (6.73%) Snowflake Schema
6 7 (6.73%) SQL Server
7 6 (5.77%) Looker
8 5 (4.81%) BigQuery
8 5 (4.81%) Relational Database
9 4 (3.85%) Geospatial Data
9 4 (3.85%) Star Schema
10 3 (2.88%) Amazon Athena
10 3 (2.88%) PostgreSQL
11 2 (1.92%) CockroachDB
11 2 (1.92%) Delta Lake
11 2 (1.92%) MySQL
11 2 (1.92%) Semantic Layer
11 2 (1.92%) Spatial Data
Development Applications
1 8 (7.69%) Git
2 3 (2.88%) JIRA
3 2 (1.92%) ERwin
3 2 (1.92%) GitLab
4 1 (0.96%) Jenkins
4 1 (0.96%) MLflow
4 1 (0.96%) PowerDesigner
General
1 42 (40.38%) Finance
2 32 (30.77%) Social Skills
3 31 (29.81%) Analytical Skills
4 16 (15.38%) Banking
5 8 (7.69%) Legal
6 6 (5.77%) Public Sector
7 4 (3.85%) Telecoms
8 3 (2.88%) Publishing
9 2 (1.92%) Financial Institution
9 2 (1.92%) Inclusion and Diversity
9 2 (1.92%) Investment Banking
9 2 (1.92%) Law
9 2 (1.92%) Retail
10 1 (0.96%) Documentation Skills
10 1 (0.96%) Front Office
10 1 (0.96%) Marketing
10 1 (0.96%) Organisational Skills
10 1 (0.96%) Pharmaceutical
Job Titles
1 33 (31.73%) Data Engineer
2 25 (24.04%) Analyst
3 17 (16.35%) Data Analyst
4 8 (7.69%) Business Analyst
5 7 (6.73%) Architect
5 7 (6.73%) Snowflake Data Engineer
5 7 (6.73%) Snowflake Engineer
6 6 (5.77%) Consultant
6 6 (5.77%) Lead
7 5 (4.81%) Data Architect
7 5 (4.81%) Senior
8 4 (3.85%) Senior Data Engineer
9 3 (2.88%) Data Modeller
9 3 (2.88%) Data Quality Analyst
9 3 (2.88%) Quality Analyst
9 3 (2.88%) Risk Analyst
10 2 (1.92%) Configuration Engineer
10 2 (1.92%) Data Consultant
10 2 (1.92%) Data Migration Engineer
10 2 (1.92%) Platform Architect
Libraries, Frameworks & Software Standards
1 10 (9.62%) PySpark
2 6 (5.77%) Kafka
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%) PyTorch
5 2 (1.92%) React
5 2 (1.92%) XML
6 1 (0.96%) SAP Fiori
6 1 (0.96%) Vert.x
Miscellaneous
1 10 (9.62%) Data Structures
1 10 (9.62%) Legacy Systems
2 7 (6.73%) 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%) Derivative
5 2 (1.92%) Distributed Systems
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 50 (48.08%) Data Modelling
2 42 (40.38%) Data Pipeline
3 38 (36.54%) Analytics
4 35 (33.65%) Data Governance
4 35 (33.65%) ETL
5 34 (32.69%) Business Intelligence
5 34 (32.69%) Validation
6 29 (27.88%) Data Engineering
7 25 (24.04%) AI
8 19 (18.27%) Problem-Solving
9 18 (17.31%) Migration
10 17 (16.35%) CI/CD
10 17 (16.35%) Performance Tuning
10 17 (16.35%) Stakeholder Engagement
11 16 (15.38%) Data Science
11 16 (15.38%) Decision-Making
11 16 (15.38%) Use Case
12 15 (14.42%) Data Lineage
12 15 (14.42%) Stakeholder Management
13 14 (13.46%) Data Management
Programming Languages
1 54 (51.92%) SQL
2 50 (48.08%) Python
3 7 (6.73%) Data Analysis Expressions
4 5 (4.81%) Java
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%) PL/SQL
6 1 (0.96%) T-SQL
6 1 (0.96%) VBA
Qualifications
1 15 (14.42%) Security Cleared
2 10 (9.62%) SC Cleared
3 9 (8.65%) Degree
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%) GDPR
2 10 (9.62%) QA
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%) 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 2 (1.92%) Docker
Systems Management
1 5 (4.81%) Terraform
2 2 (1.92%) Kubernetes
Vendors
1 24 (23.08%) Databricks
2 21 (20.19%) Microsoft
3 12 (11.54%) SAP
4 9 (8.65%) Informatica
5 6 (5.77%) Oracle
6 5 (4.81%) Workday
7 4 (3.85%) Google
7 4 (3.85%) Salesforce
7 4 (3.85%) ServiceNow
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%) Talend
8 1 (0.96%) VMware