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

6 months to
17 Sep 2026
Same period 2025 Same period 2024
Rank 33 54 83
Rank change year-on-year +21 +29 +15
Contract jobs citing Data Quality 136 70 46
As % of all contract jobs in the City of London 6.01% 3.97% 2.21%
As % of the Quality Assurance & Compliance category 30.02% 20.17% 13.57%
Number of daily rates quoted 113 51 28
10th Percentile £400 £300 £356
25th Percentile £443 £409 £472
Median daily rate (50th Percentile) £550 £500 £550
Median % change year-on-year +10.00% -9.09% -8.33%
75th Percentile £650 £631 £675
90th Percentile £764 £750 £758
Central London median daily rate £550 £500 £550
% change year-on-year +10.00% -9.09% -8.71%

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 453 347 339
As % of all contract IT jobs advertised in the City of London 20.01% 19.69% 16.31%
Number of daily rates quoted 340 241 197
10th Percentile £357 £325 £363
25th Percentile £463 £413 £463
Median daily rate (50th Percentile) £550 £550 £575
Median % change year-on-year - -4.35% -4.17%
75th Percentile £668 £713 £675
90th Percentile £775 £838 £756
Central London median daily rate £550 £550 £560
% change year-on-year - -1.79% -5.88%
Number of hourly rates quoted 0 5 2
10th Percentile - £23.83 £16.60
25th Percentile - £26.57 £17.50
Median hourly rate - £34.00 £20.00
Median % change year-on-year - +70.00% -
75th Percentile - £56.75 £22.50
90th Percentile - £75.95 £23.40
Central London median hourly rate £35.82 £34.00 £25.18
% change year-on-year +5.35% +35.03% -

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 17 September 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 (11.03%) Apache Airflow
2 11 (8.09%) Apache
3 10 (7.35%) Apache Spark
4 5 (3.68%) Confluence
5 2 (1.47%) HCL Notes
5 2 (1.47%) SharePoint
6 1 (0.74%) Palantir Foundry
6 1 (0.74%) SAS
Applications
1 11 (8.09%) Microsoft Excel
2 1 (0.74%) Microsoft PowerPoint
2 1 (0.74%) MS Visio
2 1 (0.74%) Spreadsheet
Business Applications
1 2 (1.47%) BambooHR
1 2 (1.47%) SAP MDG
1 2 (1.47%) SAP S/4HANA
2 1 (0.74%) Advent Moxy
2 1 (0.74%) Advent Portfolio Exchange
2 1 (0.74%) Aladdin
2 1 (0.74%) Maximo
2 1 (0.74%) Oracle Financials
2 1 (0.74%) SAP R/3
2 1 (0.74%) Workday HCM
Cloud Services
1 47 (34.56%) Azure
2 29 (21.32%) AWS
3 28 (20.59%) Power Platform
4 19 (13.97%) Azure Data Factory
5 17 (12.50%) Snowflake
6 16 (11.76%) Azure DevOps
7 15 (11.03%) dbt
8 12 (8.82%) GCP
9 11 (8.09%) Amazon S3
9 11 (8.09%) Serverless
10 9 (6.62%) AWS Lambda
10 9 (6.62%) Azure Synapse Analytics
11 8 (5.88%) GitHub
12 6 (4.41%) SaaS
13 5 (3.68%) Collibra
13 5 (3.68%) Microsoft Purview
13 5 (3.68%) Prefect
14 4 (2.94%) Azure Stack
14 4 (2.94%) Dagster
14 4 (2.94%) GitHub Actions
Communications & Networking
1 2 (1.47%) SSL
Database & Business Intelligence
1 30 (22.06%) Metadata
2 28 (20.59%) Data Warehouse
2 28 (20.59%) Power BI
3 16 (11.76%) Data Lake
4 7 (5.15%) Amazon Redshift
4 7 (5.15%) BigQuery
4 7 (5.15%) Tableau
5 6 (4.41%) Amazon RDS
5 6 (4.41%) Delta Lake
5 6 (4.41%) Enterprise Data Warehouse
5 6 (4.41%) Relational Database
5 6 (4.41%) Star Schema
6 5 (3.68%) Amazon Athena
6 5 (3.68%) Azure SQL Database
6 5 (3.68%) Semantic Layer
6 5 (3.68%) SQL Server
7 4 (2.94%) Data Hub
7 4 (2.94%) Looker
8 3 (2.21%) NoSQL
8 3 (2.21%) SQL Server Integration Services
Development Applications
1 5 (3.68%) JIRA
2 4 (2.94%) Bitbucket
2 4 (2.94%) Git
3 2 (1.47%) Atlassian Bamboo
3 2 (1.47%) GitLab
4 1 (0.74%) Eclipse
4 1 (0.74%) MLflow
General
1 56 (41.18%) Finance
2 43 (31.62%) Social Skills
3 38 (27.94%) Analytical Skills
4 22 (16.18%) Banking
5 9 (6.62%) Public Sector
6 7 (5.15%) Front Office
7 6 (4.41%) Influencing Skills
7 6 (4.41%) Pharmaceutical
8 5 (3.68%) Legal
9 4 (2.94%) Investment Banking
9 4 (2.94%) Marketing
10 3 (2.21%) Advertising
10 3 (2.21%) Back Office
10 3 (2.21%) Retail
11 2 (1.47%) Documentation Skills
11 2 (1.47%) Inclusion and Diversity
11 2 (1.47%) Manufacturing
11 2 (1.47%) Military
11 2 (1.47%) Publishing
12 1 (0.74%) Billing
Job Titles
1 33 (24.26%) Data Engineer
2 31 (22.79%) Analyst
3 22 (16.18%) Architect
4 20 (14.71%) Data Analyst
5 16 (11.76%) Data Architect
6 15 (11.03%) Senior
7 13 (9.56%) Lead
8 11 (8.09%) Business Analyst
9 10 (7.35%) Senior Data Engineer
10 7 (5.15%) Developer
11 6 (4.41%) Data Manager
12 5 (3.68%) AWS Engineer
13 4 (2.94%) AWS Data Engineer
13 4 (2.94%) Business Intelligence Architect
13 4 (2.94%) Consultant
13 4 (2.94%) Data Business Analyst
13 4 (2.94%) Financial Analyst
13 4 (2.94%) Snowflake Engineer
14 3 (2.21%) Business Intelligence Analyst
14 3 (2.21%) Data Modeller
Libraries, Frameworks & Software Standards
1 22 (16.18%) PySpark
2 9 (6.62%) Terraform
3 7 (5.15%) Kafka
4 4 (2.94%) JSON
5 3 (2.21%) Middleware
5 3 (2.21%) REST
6 2 (1.47%) ActiveMQ
6 2 (1.47%) PCRE
6 2 (1.47%) RabbitMQ
6 2 (1.47%) Regular Expression
6 2 (1.47%) SOAP
6 2 (1.47%) Web Services
6 2 (1.47%) XML
7 1 (0.74%) Apache Avro
7 1 (0.74%) Node.js
7 1 (0.74%) Oracle Fusion
7 1 (0.74%) pytest
7 1 (0.74%) React
7 1 (0.74%) Spark Streaming
7 1 (0.74%) Spring Boot
Miscellaneous
1 16 (11.76%) Data Structures
2 12 (8.82%) Cloud Native
3 10 (7.35%) Onboarding
4 8 (5.88%) Management Information System
4 8 (5.88%) Product Ownership
5 5 (3.68%) Reference Data
6 3 (2.21%) Enterprise Software
6 3 (2.21%) Legacy Systems
7 2 (1.47%) CMDB
7 2 (1.47%) Distributed Computing
7 2 (1.47%) Fixed Income
7 2 (1.47%) FMCG
7 2 (1.47%) Foreign Exchange (FX)
7 2 (1.47%) Hedge funds
7 2 (1.47%) Hybrid Cloud
7 2 (1.47%) Life Science
7 2 (1.47%) Low-Code
7 2 (1.47%) NHS
7 2 (1.47%) PropTech
8 1 (0.74%) Credit Risk
Operating Systems
1 2 (1.47%) Linux
1 2 (1.47%) Unix
1 2 (1.47%) Windows
Processes & Methodologies
1 66 (48.53%) Analytics
2 65 (47.79%) Data Modelling
3 63 (46.32%) Data Governance
4 42 (30.88%) Data Pipeline
5 41 (30.15%) Data Engineering
5 41 (30.15%) ETL
6 39 (28.68%) Validation
7 38 (27.94%) Stakeholder Management
8 37 (27.21%) Agile
8 37 (27.21%) Business Intelligence
9 32 (23.53%) Stakeholder Engagement
10 31 (22.79%) CI/CD
10 31 (22.79%) Migration
11 30 (22.06%) AI
12 25 (18.38%) DevOps
13 24 (17.65%) Data Architecture
14 23 (16.91%) Decision-Making
15 22 (16.18%) Translating Business Requirements
16 21 (15.44%) Data Migration
17 20 (14.71%) Metadata Management
Programming Languages
1 70 (51.47%) SQL
2 50 (36.76%) Python
3 8 (5.88%) Data Analysis Expressions
4 7 (5.15%) Java
5 4 (2.94%) PowerShell
6 3 (2.21%) PL/SQL
6 3 (2.21%) Scala
7 2 (1.47%) C#
7 2 (1.47%) LookML
7 2 (1.47%) Perl
8 1 (0.74%) Bash
8 1 (0.74%) Bicep
8 1 (0.74%) Korn
8 1 (0.74%) R
8 1 (0.74%) SOQL
8 1 (0.74%) T-SQL
Qualifications
1 13 (9.56%) Security Cleared
2 10 (7.35%) SC Cleared
3 9 (6.62%) Degree
4 4 (2.94%) PMI Certification
5 3 (2.21%) PMP
6 2 (1.47%) CAPM
6 2 (1.47%) DBS Check
7 1 (0.74%) ACCA
7 1 (0.74%) AWS Certification
7 1 (0.74%) AWS Certified Solutions Architect
7 1 (0.74%) Azure Certification
7 1 (0.74%) BPSS Clearance
7 1 (0.74%) CBAP
7 1 (0.74%) CIMA
7 1 (0.74%) Computer Science Degree
7 1 (0.74%) CSPO
7 1 (0.74%) DV Cleared
7 1 (0.74%) SnowPro
7 1 (0.74%) TOGAF Certification
Quality Assurance & Compliance
1 10 (7.35%) QA
2 5 (3.68%) Accessibility
2 5 (3.68%) GDPR
3 2 (1.47%) PMO
4 1 (0.74%) Basel III
4 1 (0.74%) GRC
4 1 (0.74%) IFRS
4 1 (0.74%) IFRS 9
4 1 (0.74%) ISO/IEC 19770
4 1 (0.74%) NCSC
4 1 (0.74%) PSD2
System Software
1 3 (2.21%) Docker
2 1 (0.74%) Active Directory
2 1 (0.74%) VMware Infrastructure
Systems Management
1 1 (0.74%) Kubernetes
Vendors
1 34 (25.00%) Microsoft
2 25 (18.38%) Databricks
3 11 (8.09%) SAP
4 10 (7.35%) Oracle
5 9 (6.62%) Informatica
6 5 (3.68%) ServiceNow
7 4 (2.94%) Google
7 4 (2.94%) Salesforce
7 4 (2.94%) Workday
8 3 (2.21%) IBM
8 3 (2.21%) Palantir
9 2 (1.47%) Adobe
9 2 (1.47%) JD Edwards
9 2 (1.47%) Lotus
9 2 (1.47%) Splunk
9 2 (1.47%) Talend
10 1 (0.74%) Advent
10 1 (0.74%) Bloomberg
10 1 (0.74%) Foundry
10 1 (0.74%) VMware