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

6 months to
27 Aug 2026
Same period 2025 Same period 2024
Rank 38 59 79
Rank change year-on-year +21 +20 +27
Contract jobs citing Data Quality 121 70 50
As % of all contract jobs in the City of London 5.22% 3.89% 2.41%
As % of the Quality Assurance & Compliance category 27.75% 20.06% 14.75%
Number of daily rates quoted 99 52 31
10th Percentile £400 £301 £363
25th Percentile £446 £411 £463
Median daily rate (50th Percentile) £540 £500 £550
Median % change year-on-year +8.00% -9.09% -10.20%
75th Percentile £650 £625 £656
90th Percentile £769 £748 £750
Central London median daily rate £545 £500 £550
% change year-on-year +9.00% -9.09% -11.11%

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 436 349 339
As % of all contract IT jobs advertised in the City of London 18.80% 19.39% 16.35%
Number of daily rates quoted 324 247 214
10th Percentile £400 £329 £363
25th Percentile £465 £413 £463
Median daily rate (50th Percentile) £550 £550 £575
Median % change year-on-year - -4.35% -4.17%
75th Percentile £668 £700 £675
90th Percentile £773 £825 £751
Central London median daily rate £550 £550 £551
% change year-on-year - -0.18% -8.17%
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 £46.66 £34.00 £23.40
% change year-on-year +37.24% +45.30% -

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 27 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 16 (13.22%) Apache Airflow
2 9 (7.44%) Apache
2 9 (7.44%) Apache Spark
3 3 (2.48%) Confluence
3 3 (2.48%) SharePoint
4 2 (1.65%) HCL Notes
5 1 (0.83%) Microsoft Exchange
5 1 (0.83%) Palantir Foundry
5 1 (0.83%) SAS
Applications
1 11 (9.09%) Microsoft Excel
2 2 (1.65%) Microsoft PowerPoint
2 2 (1.65%) MS Visio
3 1 (0.83%) Spreadsheet
Business Applications
1 5 (4.13%) BambooHR
2 2 (1.65%) SAP MDG
2 2 (1.65%) SAP S/4HANA
3 1 (0.83%) Advent Moxy
3 1 (0.83%) Advent Portfolio Exchange
3 1 (0.83%) Aladdin
3 1 (0.83%) Maximo
3 1 (0.83%) Oracle Financials
3 1 (0.83%) SAP R/3
3 1 (0.83%) Workday HCM
Cloud Services
1 42 (34.71%) Azure
2 29 (23.97%) Power Platform
3 22 (18.18%) AWS
4 18 (14.88%) Snowflake
5 17 (14.05%) dbt
6 16 (13.22%) Azure Data Factory
7 14 (11.57%) Azure DevOps
8 10 (8.26%) GCP
9 9 (7.44%) Prefect
10 8 (6.61%) Amazon S3
11 7 (5.79%) Azure Synapse Analytics
11 7 (5.79%) Dagster
11 7 (5.79%) Serverless
12 6 (4.96%) GitHub
13 5 (4.13%) AWS Lambda
13 5 (4.13%) SaaS
14 4 (3.31%) Collibra
14 4 (3.31%) Microsoft Purview
15 3 (2.48%) Azure Stack
15 3 (2.48%) PowerApps
Communications & Networking
1 2 (1.65%) SSL
Database & Business Intelligence
1 29 (23.97%) Data Warehouse
1 29 (23.97%) Power BI
2 22 (18.18%) Metadata
3 12 (9.92%) Data Lake
3 12 (9.92%) Tableau
4 9 (7.44%) Amazon Redshift
4 9 (7.44%) BigQuery
5 7 (5.79%) Looker
5 7 (5.79%) Relational Database
6 6 (4.96%) Star Schema
7 5 (4.13%) Enterprise Data Warehouse
7 5 (4.13%) SQL Server
8 4 (3.31%) Amazon RDS
8 4 (3.31%) Azure SQL Database
8 4 (3.31%) Delta Lake
8 4 (3.31%) NoSQL
8 4 (3.31%) Semantic Layer
8 4 (3.31%) Snowflake Schema
9 3 (2.48%) Data Hub
9 3 (2.48%) MongoDB
Development Applications
1 3 (2.48%) JIRA
2 2 (1.65%) Atlassian Bamboo
2 2 (1.65%) Bitbucket
2 2 (1.65%) Git
3 1 (0.83%) Eclipse
3 1 (0.83%) MLflow
General
1 53 (43.80%) Finance
2 40 (33.06%) Social Skills
3 33 (27.27%) Analytical Skills
4 20 (16.53%) Banking
5 9 (7.44%) Public Sector
6 8 (6.61%) Legal
7 4 (3.31%) Front Office
7 4 (3.31%) Influencing Skills
7 4 (3.31%) Investment Banking
7 4 (3.31%) Telecoms
8 3 (2.48%) Retail
9 2 (1.65%) Advertising
9 2 (1.65%) Documentation Skills
9 2 (1.65%) Inclusion and Diversity
9 2 (1.65%) Marketing
9 2 (1.65%) Military
9 2 (1.65%) Pharmaceutical
10 1 (0.83%) International Banking
10 1 (0.83%) Organisational Skills
10 1 (0.83%) Publishing
Job Titles
1 31 (25.62%) Analyst
2 29 (23.97%) Data Engineer
3 21 (17.36%) Data Analyst
4 17 (14.05%) Architect
5 13 (10.74%) Data Architect
6 11 (9.09%) Senior
7 10 (8.26%) Business Analyst
8 9 (7.44%) Lead
9 7 (5.79%) Developer
10 6 (4.96%) Senior Data Engineer
11 5 (4.13%) Snowflake Engineer
12 4 (3.31%) Data Business Analyst
12 4 (3.31%) Financial Analyst
13 3 (2.48%) Administrator
13 3 (2.48%) Business Intelligence Analyst
13 3 (2.48%) Business Intelligence Architect
13 3 (2.48%) Consultant
13 3 (2.48%) Data Modeller
13 3 (2.48%) SAP Analyst
13 3 (2.48%) Senior Analyst
Libraries, Frameworks & Software Standards
1 21 (17.36%) PySpark
2 7 (5.79%) Kafka
3 6 (4.96%) Terraform
4 4 (3.31%) JSON
5 3 (2.48%) Middleware
6 2 (1.65%) Great Expectations
6 2 (1.65%) Node.js
6 2 (1.65%) PCRE
6 2 (1.65%) pytest
6 2 (1.65%) React
6 2 (1.65%) Regular Expression
6 2 (1.65%) REST
6 2 (1.65%) Web Services
7 1 (0.83%) DCOM
7 1 (0.83%) Oracle Fusion
7 1 (0.83%) PyTorch
7 1 (0.83%) Spark Streaming
7 1 (0.83%) Spring Boot
7 1 (0.83%) XML
7 1 (0.83%) XSLT
Miscellaneous
1 15 (12.40%) Data Structures
2 7 (5.79%) Cloud Native
2 7 (5.79%) Onboarding
2 7 (5.79%) Product Ownership
3 6 (4.96%) Management Information System
4 5 (4.13%) Reference Data
5 3 (2.48%) CMDB
5 3 (2.48%) Legacy Systems
6 2 (1.65%) Clustering
6 2 (1.65%) Credit Risk
6 2 (1.65%) Fixed Income
6 2 (1.65%) FMCG
6 2 (1.65%) Foreign Exchange (FX)
6 2 (1.65%) Hedge funds
6 2 (1.65%) Hybrid Cloud
6 2 (1.65%) Low-Code
6 2 (1.65%) NHS
7 1 (0.83%) Mainframe
7 1 (0.83%) Market Risk
7 1 (0.83%) PMI
Operating Systems
1 2 (1.65%) Linux
1 2 (1.65%) Unix
1 2 (1.65%) Windows
Processes & Methodologies
1 62 (51.24%) Analytics
1 62 (51.24%) Data Modelling
2 54 (44.63%) Data Governance
3 39 (32.23%) Data Pipeline
4 38 (31.40%) Business Intelligence
4 38 (31.40%) ETL
5 36 (29.75%) Validation
6 34 (28.10%) Data Engineering
7 30 (24.79%) Stakeholder Management
8 28 (23.14%) Agile
8 28 (23.14%) Stakeholder Engagement
9 27 (22.31%) AI
10 26 (21.49%) Migration
11 24 (19.83%) CI/CD
12 23 (19.01%) DevOps
13 22 (18.18%) Decision-Making
14 21 (17.36%) Data Architecture
15 19 (15.70%) Data Migration
15 19 (15.70%) Translating Business Requirements
16 17 (14.05%) Data Lineage
Programming Languages
1 65 (53.72%) SQL
2 47 (38.84%) Python
3 7 (5.79%) Data Analysis Expressions
3 7 (5.79%) Java
4 4 (3.31%) PowerShell
5 3 (2.48%) PL/SQL
6 2 (1.65%) C#
6 2 (1.65%) LookML
6 2 (1.65%) Perl
6 2 (1.65%) Scala
7 1 (0.83%) Bash
7 1 (0.83%) Bicep
7 1 (0.83%) R
7 1 (0.83%) SOQL
7 1 (0.83%) T-SQL
7 1 (0.83%) VBA
Qualifications
1 13 (10.74%) Security Cleared
2 11 (9.09%) SC Cleared
3 6 (4.96%) Degree
4 2 (1.65%) DBS Check
4 2 (1.65%) PMI Certification
4 2 (1.65%) SnowPro
5 1 (0.83%) ACCA
5 1 (0.83%) Azure Certification
5 1 (0.83%) CBAP
5 1 (0.83%) CIMA
5 1 (0.83%) Computer Science Degree
5 1 (0.83%) CSPO
5 1 (0.83%) PMP
5 1 (0.83%) TOGAF Certification
Quality Assurance & Compliance
1 11 (9.09%) QA
2 9 (7.44%) GDPR
3 5 (4.13%) Accessibility
4 1 (0.83%) Basel III
4 1 (0.83%) GRC
4 1 (0.83%) IFRS
4 1 (0.83%) IFRS 9
4 1 (0.83%) ISO/IEC 19770
4 1 (0.83%) PSD2
4 1 (0.83%) Sarbanes-Oxley
System Software
1 4 (3.31%) Docker
2 1 (0.83%) Active Directory
2 1 (0.83%) VMware Infrastructure
Systems Management
1 2 (1.65%) Kubernetes
Vendors
1 30 (24.79%) Microsoft
2 24 (19.83%) Databricks
3 9 (7.44%) SAP
4 8 (6.61%) Informatica
4 8 (6.61%) Oracle
5 7 (5.79%) Workday
6 5 (4.13%) ServiceNow
7 4 (3.31%) Google
7 4 (3.31%) Salesforce
8 3 (2.48%) IBM
8 3 (2.48%) Palantir
9 2 (1.65%) Adobe
9 2 (1.65%) Lotus
9 2 (1.65%) Splunk
10 1 (0.83%) Advent
10 1 (0.83%) Bloomberg
10 1 (0.83%) Foundry
10 1 (0.83%) Talend
10 1 (0.83%) Teradata
10 1 (0.83%) VMware