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

6 months to
15 Aug 2026
Same period 2025 Same period 2024
Rank 39 66 74
Rank change year-on-year +27 +8 +34
Contract jobs citing Data Quality 114 67 54
As % of all contract jobs in the City of London 4.83% 3.60% 2.60%
As % of the Quality Assurance & Compliance category 25.68% 18.51% 15.84%
Number of daily rates quoted 93 50 35
10th Percentile £400 £298 £363
25th Percentile £450 £420 £469
Median daily rate (50th Percentile) £540 £513 £550
Median % change year-on-year +5.37% -6.82% -12.00%
75th Percentile £638 £625 £631
90th Percentile £775 £751 £780
Central London median daily rate £540 £513 £550
% change year-on-year +5.37% -6.82% -12.00%

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 444 362 341
As % of all contract IT jobs advertised in the City of London 18.82% 19.45% 16.44%
Number of daily rates quoted 330 260 226
10th Percentile £385 £349 £363
25th Percentile £465 £418 £463
Median daily rate (50th Percentile) £550 £538 £575
Median % change year-on-year +2.33% -6.52% -4.17%
75th Percentile £668 £693 £675
90th Percentile £775 £814 £770
Central London median daily rate £550 £539 £551
% change year-on-year +2.09% -2.22% -8.17%
Number of hourly rates quoted 1 3 2
10th Percentile - £28.05 £16.60
25th Percentile £72.25 £37.13 £17.50
Median hourly rate £74.50 £54.50 £20.00
Median % change year-on-year +36.70% +172.50% -
75th Percentile £76.75 £72.75 £22.50
90th Percentile - £82.35 £23.40
Central London median hourly rate £57.50 £34.48 £23.80
% change year-on-year +66.76% +44.87% -

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 August 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 (11.40%) Apache Airflow
2 9 (7.89%) Apache
3 7 (6.14%) Apache Spark
4 3 (2.63%) Confluence
4 3 (2.63%) SharePoint
5 2 (1.75%) HCL Notes
6 1 (0.88%) Microsoft Exchange
6 1 (0.88%) Palantir Foundry
6 1 (0.88%) SAS
Applications
1 11 (9.65%) Microsoft Excel
2 2 (1.75%) Microsoft PowerPoint
2 2 (1.75%) MS Visio
3 1 (0.88%) Spreadsheet
Business Applications
1 5 (4.39%) BambooHR
2 2 (1.75%) SAP MDG
2 2 (1.75%) SAP S/4HANA
3 1 (0.88%) Actimize
3 1 (0.88%) Aladdin
3 1 (0.88%) Maximo
3 1 (0.88%) Oracle Financials
3 1 (0.88%) SAP R/3
3 1 (0.88%) Workday HCM
Cloud Services
1 40 (35.09%) Azure
2 30 (26.32%) Power Platform
3 17 (14.91%) AWS
4 16 (14.04%) Snowflake
5 13 (11.40%) Azure Data Factory
5 13 (11.40%) dbt
6 12 (10.53%) Azure DevOps
7 9 (7.89%) Prefect
8 8 (7.02%) GCP
9 7 (6.14%) Dagster
10 6 (5.26%) Amazon S3
10 6 (5.26%) GitHub
11 5 (4.39%) Azure Synapse Analytics
11 5 (4.39%) Serverless
12 4 (3.51%) Collibra
12 4 (3.51%) Microsoft Purview
12 4 (3.51%) SaaS
13 3 (2.63%) AWS Lambda
13 3 (2.63%) PowerApps
14 2 (1.75%) OneDrive
Communications & Networking
1 2 (1.75%) SSL
Database & Business Intelligence
1 27 (23.68%) Power BI
2 23 (20.18%) Data Warehouse
3 17 (14.91%) Metadata
4 11 (9.65%) Tableau
5 10 (8.77%) Data Lake
6 8 (7.02%) Amazon Redshift
6 8 (7.02%) BigQuery
7 7 (6.14%) Relational Database
8 6 (5.26%) SQL Server
9 5 (4.39%) Looker
9 5 (4.39%) Snowflake Schema
9 5 (4.39%) Star Schema
10 4 (3.51%) Enterprise Data Warehouse
10 4 (3.51%) NoSQL
11 3 (2.63%) Amazon RDS
11 3 (2.63%) Azure SQL Database
11 3 (2.63%) Delta Lake
11 3 (2.63%) MongoDB
11 3 (2.63%) Semantic Layer
11 3 (2.63%) SQL Server Integration Services
Development Applications
1 3 (2.63%) JIRA
2 2 (1.75%) Git
2 2 (1.75%) GitLab
3 1 (0.88%) Atlassian Bamboo
3 1 (0.88%) Bitbucket
3 1 (0.88%) Eclipse
General
1 48 (42.11%) Finance
2 38 (33.33%) Social Skills
3 31 (27.19%) Analytical Skills
4 20 (17.54%) Banking
5 8 (7.02%) Legal
5 8 (7.02%) Public Sector
6 4 (3.51%) Front Office
6 4 (3.51%) Influencing Skills
6 4 (3.51%) Telecoms
7 3 (2.63%) Investment Banking
7 3 (2.63%) Marketing
8 2 (1.75%) Advertising
8 2 (1.75%) Documentation Skills
8 2 (1.75%) Pharmaceutical
8 2 (1.75%) Retail
9 1 (0.88%) Financial Institution
9 1 (0.88%) Inclusion and Diversity
9 1 (0.88%) Military
9 1 (0.88%) Organisational Skills
9 1 (0.88%) Publishing
Job Titles
1 31 (27.19%) Analyst
2 25 (21.93%) Data Engineer
3 19 (16.67%) Data Analyst
4 15 (13.16%) Architect
5 12 (10.53%) Business Analyst
5 12 (10.53%) Data Architect
6 9 (7.89%) Lead
7 7 (6.14%) Developer
8 6 (5.26%) Senior
9 4 (3.51%) Data Business Analyst
9 4 (3.51%) Financial Analyst
9 4 (3.51%) Snowflake Data Engineer
9 4 (3.51%) Snowflake Engineer
10 3 (2.63%) Administrator
10 3 (2.63%) Business Intelligence Analyst
10 3 (2.63%) Consultant
10 3 (2.63%) Data Modeller
10 3 (2.63%) Data Quality Analyst
10 3 (2.63%) Quality Analyst
10 3 (2.63%) Senior Analyst
Libraries, Frameworks & Software Standards
1 17 (14.91%) PySpark
2 6 (5.26%) Kafka
3 4 (3.51%) JSON
4 3 (2.63%) Middleware
5 2 (1.75%) Great Expectations
5 2 (1.75%) Node.js
5 2 (1.75%) PCRE
5 2 (1.75%) pytest
5 2 (1.75%) React
5 2 (1.75%) Regular Expression
5 2 (1.75%) REST
5 2 (1.75%) Web Services
6 1 (0.88%) Next.js
6 1 (0.88%) Oracle Fusion
6 1 (0.88%) Playwright
6 1 (0.88%) PyTorch
6 1 (0.88%) Spark Streaming
6 1 (0.88%) Spring Boot
6 1 (0.88%) XML
6 1 (0.88%) XSLT
Miscellaneous
1 15 (13.16%) Data Structures
2 8 (7.02%) Cloud Native
2 8 (7.02%) Onboarding
3 6 (5.26%) Management Information System
4 5 (4.39%) Product Ownership
4 5 (4.39%) Reference Data
5 4 (3.51%) Legacy Systems
6 3 (2.63%) Clustering
6 3 (2.63%) CMDB
6 3 (2.63%) NHS
7 2 (1.75%) Analytical Mindset
7 2 (1.75%) Credit Risk
7 2 (1.75%) Fixed Income
7 2 (1.75%) FMCG
7 2 (1.75%) Foreign Exchange (FX)
7 2 (1.75%) Freedom of Information
7 2 (1.75%) Hedge funds
7 2 (1.75%) Hybrid Cloud
7 2 (1.75%) Low-Code
8 1 (0.88%) Pricing Data
Operating Systems
1 2 (1.75%) Linux
1 2 (1.75%) Unix
1 2 (1.75%) Windows
Processes & Methodologies
1 55 (48.25%) Analytics
1 55 (48.25%) Data Modelling
2 46 (40.35%) Data Governance
3 36 (31.58%) Validation
4 35 (30.70%) Business Intelligence
5 34 (29.82%) Data Pipeline
6 33 (28.95%) ETL
7 28 (24.56%) Data Engineering
8 27 (23.68%) Stakeholder Engagement
9 26 (22.81%) Stakeholder Management
10 24 (21.05%) AI
11 23 (20.18%) Agile
11 23 (20.18%) Migration
12 20 (17.54%) Decision-Making
12 20 (17.54%) DevOps
13 19 (16.67%) Data Architecture
14 18 (15.79%) CI/CD
14 18 (15.79%) Data Migration
15 17 (14.91%) Data Lineage
16 16 (14.04%) Problem-Solving
Programming Languages
1 57 (50.00%) SQL
2 39 (34.21%) Python
3 6 (5.26%) Data Analysis Expressions
3 6 (5.26%) Java
4 4 (3.51%) PowerShell
5 3 (2.63%) PL/SQL
6 2 (1.75%) C#
6 2 (1.75%) Perl
6 2 (1.75%) Scala
7 1 (0.88%) Bicep
7 1 (0.88%) SOQL
7 1 (0.88%) T-SQL
7 1 (0.88%) VBA
Qualifications
1 13 (11.40%) Security Cleared
2 12 (10.53%) SC Cleared
3 5 (4.39%) Degree
4 2 (1.75%) BPSS Clearance
4 2 (1.75%) DBS Check
4 2 (1.75%) SnowPro
5 1 (0.88%) ACCA
5 1 (0.88%) Azure Certification
5 1 (0.88%) CBAP
5 1 (0.88%) CIMA
5 1 (0.88%) Computer Science Degree
5 1 (0.88%) CSPO
5 1 (0.88%) DV Cleared
5 1 (0.88%) PMI Certification
5 1 (0.88%) TOGAF Certification
Quality Assurance & Compliance
1 14 (12.28%) QA
2 8 (7.02%) GDPR
3 6 (5.26%) Accessibility
4 1 (0.88%) Basel III
4 1 (0.88%) GRC
4 1 (0.88%) IFRS
4 1 (0.88%) IFRS 9
4 1 (0.88%) ISO/IEC 19770
4 1 (0.88%) PSD2
4 1 (0.88%) Sarbanes-Oxley
System Software
1 4 (3.51%) Docker
2 1 (0.88%) Active Directory
2 1 (0.88%) VMware Infrastructure
Systems Management
1 5 (4.39%) Terraform
2 2 (1.75%) Kubernetes
Vendors
1 30 (26.32%) Microsoft
2 20 (17.54%) Databricks
3 9 (7.89%) Informatica
3 9 (7.89%) Oracle
3 9 (7.89%) SAP
4 7 (6.14%) Workday
5 5 (4.39%) Google
5 5 (4.39%) ServiceNow
6 4 (3.51%) Salesforce
7 3 (2.63%) IBM
7 3 (2.63%) Palantir
8 2 (1.75%) Adobe
8 2 (1.75%) Lotus
8 2 (1.75%) MuleSoft
8 2 (1.75%) Splunk
8 2 (1.75%) Talend
9 1 (0.88%) IFS
9 1 (0.88%) Jitterbit
9 1 (0.88%) LexisNexis
9 1 (0.88%) Marketo