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

6 months to
21 Sep 2026
Same period 2025 Same period 2024
Rank 31 54 82
Rank change year-on-year +23 +28 +10
Contract jobs citing Data Quality 140 68 47
As % of all contract jobs in the City of London 6.29% 3.93% 2.23%
As % of the Quality Assurance & Compliance category 31.11% 20.06% 13.66%
Number of daily rates quoted 117 49 29
10th Percentile £400 £296 £358
25th Percentile £443 £404 £488
Median daily rate (50th Percentile) £550 £500 £550
Median % change year-on-year +10.00% -9.09% -8.33%
75th Percentile £650 £625 £675
90th Percentile £771 £755 £788
Central London median daily rate £550 £500 £556
% change year-on-year +10.00% -10.11% -7.29%

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 450 339 344
As % of all contract IT jobs advertised in the City of London 20.22% 19.58% 16.32%
Number of daily rates quoted 338 235 203
10th Percentile £350 £321 £350
25th Percentile £457 £413 £463
Median daily rate (50th Percentile) £550 £557 £563
Median % change year-on-year -1.26% -0.98% -5.86%
75th Percentile £668 £713 £675
90th Percentile £775 £838 £762
Central London median daily rate £550 £554 £550
% change year-on-year -0.63% +0.64% -6.38%
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 £30.41 £34.00 £25.18
% change year-on-year -10.56% +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 21 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 14 (10.00%) Apache Airflow
2 11 (7.86%) Apache
3 10 (7.14%) Apache Spark
4 5 (3.57%) Confluence
5 2 (1.43%) HCL Notes
5 2 (1.43%) SharePoint
6 1 (0.71%) Palantir Foundry
6 1 (0.71%) SAS
Applications
1 12 (8.57%) Microsoft Excel
2 1 (0.71%) Microsoft PowerPoint
2 1 (0.71%) MS Visio
2 1 (0.71%) Spreadsheet
Business Applications
1 2 (1.43%) Aladdin
1 2 (1.43%) BambooHR
1 2 (1.43%) SAP MDG
1 2 (1.43%) SAP S/4HANA
2 1 (0.71%) Advent Moxy
2 1 (0.71%) Advent Portfolio Exchange
2 1 (0.71%) Maximo
2 1 (0.71%) Oracle Financials
2 1 (0.71%) SAP R/3
2 1 (0.71%) Workday HCM
Cloud Services
1 47 (33.57%) Azure
2 28 (20.00%) AWS
3 27 (19.29%) Power Platform
4 19 (13.57%) Azure Data Factory
5 17 (12.14%) Snowflake
6 16 (11.43%) Azure DevOps
7 15 (10.71%) dbt
8 12 (8.57%) Serverless
9 11 (7.86%) GCP
10 10 (7.14%) Amazon S3
11 9 (6.43%) AWS Lambda
11 9 (6.43%) Azure Synapse Analytics
11 9 (6.43%) GitHub
12 6 (4.29%) SaaS
13 5 (3.57%) Collibra
13 5 (3.57%) Microsoft Purview
14 4 (2.86%) Azure Databricks
14 4 (2.86%) Dagster
14 4 (2.86%) GitHub Actions
14 4 (2.86%) Prefect
Communications & Networking
1 2 (1.43%) SSL
Database & Business Intelligence
1 30 (21.43%) Metadata
2 28 (20.00%) Data Warehouse
3 27 (19.29%) Power BI
4 16 (11.43%) Data Lake
5 7 (5.00%) BigQuery
5 7 (5.00%) Delta Lake
6 6 (4.29%) Amazon RDS
6 6 (4.29%) Amazon Redshift
6 6 (4.29%) Relational Database
6 6 (4.29%) Tableau
7 5 (3.57%) Amazon Athena
7 5 (3.57%) Azure SQL Database
7 5 (3.57%) Enterprise Data Warehouse
7 5 (3.57%) SQL Server
7 5 (3.57%) Star Schema
8 4 (2.86%) Data Hub
8 4 (2.86%) Looker
8 4 (2.86%) Semantic Layer
9 3 (2.14%) Ataccama
9 3 (2.14%) NoSQL
Development Applications
1 6 (4.29%) JIRA
2 5 (3.57%) Git
3 4 (2.86%) Bitbucket
4 2 (1.43%) Atlassian Bamboo
4 2 (1.43%) GitLab
5 1 (0.71%) Eclipse
5 1 (0.71%) MLflow
General
1 58 (41.43%) Finance
2 43 (30.71%) Social Skills
3 39 (27.86%) Analytical Skills
4 22 (15.71%) Banking
5 9 (6.43%) Public Sector
6 7 (5.00%) Front Office
7 6 (4.29%) Influencing Skills
7 6 (4.29%) Pharmaceutical
8 5 (3.57%) Legal
9 4 (2.86%) Investment Banking
9 4 (2.86%) Marketing
10 3 (2.14%) Advertising
10 3 (2.14%) Back Office
10 3 (2.14%) Retail
11 2 (1.43%) Documentation Skills
11 2 (1.43%) Inclusion and Diversity
11 2 (1.43%) Manufacturing
11 2 (1.43%) Military
11 2 (1.43%) Publishing
12 1 (0.71%) Organisational Skills
Job Titles
1 34 (24.29%) Data Engineer
2 33 (23.57%) Analyst
3 22 (15.71%) Architect
4 21 (15.00%) Data Analyst
5 16 (11.43%) Data Architect
5 16 (11.43%) Senior
6 13 (9.29%) Lead
7 12 (8.57%) Business Analyst
8 11 (7.86%) Senior Data Engineer
9 8 (5.71%) Developer
10 6 (4.29%) Data Manager
11 5 (3.57%) AWS Engineer
11 5 (3.57%) Data Business Analyst
12 4 (2.86%) AWS Data Engineer
12 4 (2.86%) Business Intelligence Analyst
12 4 (2.86%) Business Intelligence Architect
12 4 (2.86%) Consultant
12 4 (2.86%) Financial Analyst
12 4 (2.86%) Snowflake Engineer
13 3 (2.14%) GCP Engineer
Libraries, Frameworks & Software Standards
1 22 (15.71%) PySpark
2 9 (6.43%) Terraform
3 6 (4.29%) Kafka
4 4 (2.86%) JSON
4 4 (2.86%) Middleware
4 4 (2.86%) REST
5 3 (2.14%) Web Services
6 2 (1.43%) ActiveMQ
6 2 (1.43%) PCRE
6 2 (1.43%) RabbitMQ
6 2 (1.43%) Regular Expression
6 2 (1.43%) SOAP
6 2 (1.43%) XML
7 1 (0.71%) Apache Avro
7 1 (0.71%) Elastic Stack
7 1 (0.71%) pytest
7 1 (0.71%) PyTorch
7 1 (0.71%) React
7 1 (0.71%) Spark Streaming
7 1 (0.71%) Spring Boot
Miscellaneous
1 17 (12.14%) Data Structures
2 13 (9.29%) Cloud Native
3 10 (7.14%) Onboarding
4 9 (6.43%) Product Ownership
5 8 (5.71%) Management Information System
6 5 (3.57%) Reference Data
7 3 (2.14%) Enterprise Software
7 3 (2.14%) Legacy Systems
8 2 (1.43%) CMDB
8 2 (1.43%) Distributed Computing
8 2 (1.43%) Fixed Income
8 2 (1.43%) FMCG
8 2 (1.43%) Foreign Exchange (FX)
8 2 (1.43%) Hedge funds
8 2 (1.43%) Hybrid Cloud
8 2 (1.43%) Life Science
8 2 (1.43%) Low-Code
8 2 (1.43%) NHS
8 2 (1.43%) PropTech
9 1 (0.71%) PMI
Operating Systems
1 2 (1.43%) Linux
1 2 (1.43%) Unix
1 2 (1.43%) Windows
Processes & Methodologies
1 67 (47.86%) Analytics
2 65 (46.43%) Data Governance
2 65 (46.43%) Data Modelling
3 43 (30.71%) Data Pipeline
4 41 (29.29%) Data Engineering
5 40 (28.57%) ETL
6 39 (27.86%) Agile
6 39 (27.86%) Stakeholder Management
6 39 (27.86%) Validation
7 36 (25.71%) Business Intelligence
8 35 (25.00%) Migration
9 33 (23.57%) Stakeholder Engagement
10 31 (22.14%) CI/CD
11 30 (21.43%) AI
12 25 (17.86%) DevOps
13 23 (16.43%) Data Architecture
13 23 (16.43%) Data Migration
13 23 (16.43%) Decision-Making
13 23 (16.43%) Translating Business Requirements
14 20 (14.29%) Metadata Management
Programming Languages
1 72 (51.43%) SQL
2 52 (37.14%) Python
3 8 (5.71%) Data Analysis Expressions
3 8 (5.71%) Java
4 4 (2.86%) PL/SQL
4 4 (2.86%) PowerShell
4 4 (2.86%) Scala
5 2 (1.43%) C#
5 2 (1.43%) Korn
5 2 (1.43%) LookML
5 2 (1.43%) Perl
6 1 (0.71%) Bash
6 1 (0.71%) Bicep
6 1 (0.71%) R
6 1 (0.71%) SOQL
6 1 (0.71%) T-SQL
Qualifications
1 13 (9.29%) Security Cleared
2 10 (7.14%) SC Cleared
3 8 (5.71%) Degree
4 4 (2.86%) PMI Certification
5 3 (2.14%) PMP
6 2 (1.43%) CAPM
6 2 (1.43%) DBS Check
7 1 (0.71%) ACCA
7 1 (0.71%) AWS Certification
7 1 (0.71%) AWS Certified Solutions Architect
7 1 (0.71%) Azure Certification
7 1 (0.71%) BPSS Clearance
7 1 (0.71%) CBAP
7 1 (0.71%) CIMA
7 1 (0.71%) CSPO
7 1 (0.71%) DV Cleared
7 1 (0.71%) TOGAF Certification
Quality Assurance & Compliance
1 10 (7.14%) QA
2 6 (4.29%) GDPR
3 5 (3.57%) Accessibility
4 2 (1.43%) PMO
5 1 (0.71%) Basel III
5 1 (0.71%) GRC
5 1 (0.71%) IFRS
5 1 (0.71%) IFRS 9
5 1 (0.71%) ISO/IEC 19770
5 1 (0.71%) NCSC
5 1 (0.71%) PSD2
System Software
1 4 (2.86%) Docker
2 1 (0.71%) Active Directory
2 1 (0.71%) VMware Infrastructure
Systems Management
1 2 (1.43%) Kubernetes
Vendors
1 34 (24.29%) Microsoft
2 27 (19.29%) Databricks
3 11 (7.86%) Oracle
3 11 (7.86%) SAP
4 8 (5.71%) Informatica
5 5 (3.57%) ServiceNow
6 4 (2.86%) Salesforce
6 4 (2.86%) Workday
7 3 (2.14%) Google
7 3 (2.14%) IBM
7 3 (2.14%) Palantir
8 2 (1.43%) Adobe
8 2 (1.43%) JD Edwards
8 2 (1.43%) Lotus
8 2 (1.43%) Splunk
8 2 (1.43%) Talend
9 1 (0.71%) Bloomberg
9 1 (0.71%) Foundry
9 1 (0.71%) Teradata
9 1 (0.71%) VMware