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

6 months to
30 Sep 2026
Same period 2025 Same period 2024
Rank 31 56 73
Rank change year-on-year +25 +17 +20
Contract jobs citing Data Quality 141 67 50
As % of all contract jobs in the City of London 6.38% 3.88% 2.38%
As % of the Quality Assurance & Compliance category 31.06% 19.59% 14.25%
Number of daily rates quoted 118 48 30
10th Percentile £400 £294 £360
25th Percentile £444 £393 £488
Median daily rate (50th Percentile) £550 £494 £556
Median % change year-on-year +11.39% -11.24% -7.29%
75th Percentile £650 £625 £675
90th Percentile £770 £758 £781
Central London median daily rate £550 £494 £556
% change year-on-year +11.39% -11.24% -7.68%

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 454 342 351
As % of all contract IT jobs advertised in the City of London 20.53% 19.79% 16.71%
Number of daily rates quoted 338 238 204
10th Percentile £350 £323 £350
25th Percentile £450 £413 £463
Median daily rate (50th Percentile) £550 £550 £561
Median % change year-on-year - -2.00% -5.07%
75th Percentile £666 £700 £675
90th Percentile £754 £838 £761
Central London median daily rate £550 £550 £550
% change year-on-year - - -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 £23.80
% change year-on-year -10.56% +42.86% -

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 30 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 13 (9.22%) Apache Airflow
2 10 (7.09%) Apache
2 10 (7.09%) Apache Spark
3 5 (3.55%) Confluence
4 2 (1.42%) HCL Notes
4 2 (1.42%) SharePoint
5 1 (0.71%) CMS
5 1 (0.71%) Palantir Foundry
5 1 (0.71%) SAS
Applications
1 11 (7.80%) Microsoft Excel
2 1 (0.71%) Microsoft PowerPoint
2 1 (0.71%) MS Visio
2 1 (0.71%) Spreadsheet
Business Applications
1 2 (1.42%) Aladdin
1 2 (1.42%) BambooHR
1 2 (1.42%) SAP MDG
1 2 (1.42%) 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 46 (32.62%) Azure
2 26 (18.44%) AWS
2 26 (18.44%) Power Platform
3 19 (13.48%) Azure Data Factory
4 16 (11.35%) Azure DevOps
4 16 (11.35%) Snowflake
5 15 (10.64%) dbt
6 12 (8.51%) Serverless
7 11 (7.80%) GCP
8 9 (6.38%) Amazon S3
8 9 (6.38%) AWS Lambda
8 9 (6.38%) Azure Synapse Analytics
8 9 (6.38%) GitHub
9 6 (4.26%) SaaS
10 5 (3.55%) Collibra
10 5 (3.55%) Microsoft Purview
11 4 (2.84%) Azure Databricks
11 4 (2.84%) Azure Stack
11 4 (2.84%) GitHub Actions
12 3 (2.13%) PowerApps
Communications & Networking
1 2 (1.42%) SSL
Database & Business Intelligence
1 33 (23.40%) Metadata
2 29 (20.57%) Data Warehouse
3 26 (18.44%) Power BI
4 16 (11.35%) Data Lake
5 7 (4.96%) BigQuery
5 7 (4.96%) Delta Lake
6 6 (4.26%) Amazon Redshift
6 6 (4.26%) Relational Database
6 6 (4.26%) Tableau
7 5 (3.55%) Amazon Athena
7 5 (3.55%) Amazon RDS
7 5 (3.55%) Azure SQL Database
7 5 (3.55%) Enterprise Data Warehouse
7 5 (3.55%) Star Schema
8 4 (2.84%) Data Hub
8 4 (2.84%) Looker
8 4 (2.84%) Semantic Layer
8 4 (2.84%) SQL Server
9 3 (2.13%) Ataccama
9 3 (2.13%) NoSQL
Development Applications
1 6 (4.26%) JIRA
2 5 (3.55%) Git
3 4 (2.84%) Bitbucket
4 2 (1.42%) Atlassian Bamboo
4 2 (1.42%) GitLab
5 1 (0.71%) Eclipse
5 1 (0.71%) MLflow
General
1 58 (41.13%) Finance
2 45 (31.91%) Social Skills
3 38 (26.95%) Analytical Skills
4 21 (14.89%) Banking
5 9 (6.38%) Public Sector
6 7 (4.96%) Front Office
7 6 (4.26%) Influencing Skills
7 6 (4.26%) Legal
7 6 (4.26%) Pharmaceutical
8 4 (2.84%) Documentation Skills
8 4 (2.84%) Investment Banking
8 4 (2.84%) Marketing
9 3 (2.13%) Advertising
9 3 (2.13%) Back Office
9 3 (2.13%) Retail
10 2 (1.42%) Inclusion and Diversity
10 2 (1.42%) Manufacturing
10 2 (1.42%) Military
10 2 (1.42%) Publishing
11 1 (0.71%) Organisational Skills
Job Titles
1 35 (24.82%) Analyst
2 33 (23.40%) Data Engineer
3 23 (16.31%) Architect
4 21 (14.89%) Data Analyst
5 17 (12.06%) Data Architect
5 17 (12.06%) Senior
6 15 (10.64%) Business Analyst
7 13 (9.22%) Lead
8 11 (7.80%) Senior Data Engineer
9 8 (5.67%) Developer
10 7 (4.96%) Data Business Analyst
11 6 (4.26%) Data Manager
12 5 (3.55%) AWS Engineer
13 4 (2.84%) AWS Data Engineer
13 4 (2.84%) Business Intelligence Analyst
13 4 (2.84%) Business Intelligence Architect
13 4 (2.84%) Consultant
13 4 (2.84%) Financial Analyst
13 4 (2.84%) Senior Analyst
14 3 (2.13%) GCP Engineer
Libraries, Frameworks & Software Standards
1 21 (14.89%) PySpark
2 8 (5.67%) Terraform
3 6 (4.26%) Kafka
4 4 (2.84%) Middleware
4 4 (2.84%) REST
5 3 (2.13%) JSON
5 3 (2.13%) Web Services
6 2 (1.42%) ActiveMQ
6 2 (1.42%) PCRE
6 2 (1.42%) RabbitMQ
6 2 (1.42%) Regular Expression
6 2 (1.42%) SOAP
6 2 (1.42%) XML
7 1 (0.71%) Apache Avro
7 1 (0.71%) Apache NiFi
7 1 (0.71%) EDI
7 1 (0.71%) Elastic Stack
7 1 (0.71%) PyTorch
7 1 (0.71%) Spark Streaming
7 1 (0.71%) Spring Boot
Miscellaneous
1 17 (12.06%) Data Structures
2 13 (9.22%) Cloud Native
3 10 (7.09%) Onboarding
4 9 (6.38%) Product Ownership
5 8 (5.67%) Management Information System
6 6 (4.26%) Reference Data
7 4 (2.84%) Legacy Systems
8 3 (2.13%) Enterprise Software
9 2 (1.42%) CMDB
9 2 (1.42%) Distributed Computing
9 2 (1.42%) Fixed Income
9 2 (1.42%) FMCG
9 2 (1.42%) Foreign Exchange (FX)
9 2 (1.42%) Hedge funds
9 2 (1.42%) Hybrid Cloud
9 2 (1.42%) Life Science
9 2 (1.42%) Low-Code
9 2 (1.42%) NHS
9 2 (1.42%) PropTech
9 2 (1.42%) Taxonomies
Operating Systems
1 2 (1.42%) Linux
1 2 (1.42%) Unix
1 2 (1.42%) Windows
Processes & Methodologies
1 67 (47.52%) Data Governance
2 66 (46.81%) Analytics
2 66 (46.81%) Data Modelling
3 41 (29.08%) Data Engineering
3 41 (29.08%) Data Pipeline
3 41 (29.08%) Stakeholder Management
4 40 (28.37%) Validation
5 39 (27.66%) Agile
5 39 (27.66%) ETL
6 37 (26.24%) Migration
7 35 (24.82%) Business Intelligence
8 33 (23.40%) Stakeholder Engagement
9 30 (21.28%) CI/CD
10 29 (20.57%) AI
11 25 (17.73%) Data Migration
12 24 (17.02%) DevOps
13 23 (16.31%) Data Architecture
13 23 (16.31%) Decision-Making
13 23 (16.31%) Metadata Management
14 22 (15.60%) Translating Business Requirements
Programming Languages
1 71 (50.35%) SQL
2 51 (36.17%) Python
3 7 (4.96%) Data Analysis Expressions
3 7 (4.96%) Java
4 4 (2.84%) PL/SQL
4 4 (2.84%) PowerShell
4 4 (2.84%) Scala
5 3 (2.13%) Korn
6 2 (1.42%) LookML
6 2 (1.42%) Perl
7 1 (0.71%) Bash
7 1 (0.71%) Bicep
7 1 (0.71%) C#
7 1 (0.71%) R
7 1 (0.71%) SOQL
7 1 (0.71%) T-SQL
Qualifications
1 13 (9.22%) Security Cleared
2 10 (7.09%) SC Cleared
3 8 (5.67%) Degree
4 4 (2.84%) PMI Certification
5 3 (2.13%) PMP
6 2 (1.42%) CAPM
6 2 (1.42%) 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 9 (6.38%) QA
2 6 (4.26%) GDPR
3 5 (3.55%) Accessibility
4 2 (1.42%) 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 (2.84%) Docker
2 1 (0.71%) Active Directory
2 1 (0.71%) VMware Infrastructure
Systems Management
1 1 (0.71%) Kubernetes
Vendors
1 34 (24.11%) Microsoft
2 27 (19.15%) Databricks
3 11 (7.80%) Oracle
4 10 (7.09%) SAP
5 8 (5.67%) Informatica
6 5 (3.55%) ServiceNow
7 4 (2.84%) Salesforce
7 4 (2.84%) Workday
8 3 (2.13%) Google
8 3 (2.13%) IBM
8 3 (2.13%) Palantir
9 2 (1.42%) Adobe
9 2 (1.42%) JD Edwards
9 2 (1.42%) Lotus
9 2 (1.42%) Splunk
9 2 (1.42%) Talend
10 1 (0.71%) Bloomberg
10 1 (0.71%) Foundry
10 1 (0.71%) Teradata
10 1 (0.71%) VMware