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

6 months to
14 Sep 2026
Same period 2025 Same period 2024
Rank 33 58 81
Rank change year-on-year +25 +23 +15
Contract jobs citing Data Quality 132 69 45
As % of all contract jobs in the City of London 5.85% 3.90% 2.16%
As % of the Quality Assurance & Compliance category 29.66% 19.66% 13.20%
Number of daily rates quoted 110 50 28
10th Percentile £400 £298 £356
25th Percentile £444 £408 £472
Median daily rate (50th Percentile) £550 £500 £550
Median % change year-on-year +10.00% -9.09% -8.33%
75th Percentile £650 £634 £647
90th Percentile £768 £753 £741
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 445 351 341
As % of all contract IT jobs advertised in the City of London 19.73% 19.82% 16.35%
Number of daily rates quoted 333 243 202
10th Percentile £372 £326 £363
25th Percentile £463 £415 £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 £774 £836 £750
Central London median daily rate £550 £550 £556
% change year-on-year - -0.99% -7.42%
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 14 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 (11.36%) Apache Airflow
2 11 (8.33%) Apache
3 10 (7.58%) Apache Spark
4 5 (3.79%) Confluence
5 2 (1.52%) HCL Notes
5 2 (1.52%) SharePoint
6 1 (0.76%) Palantir Foundry
6 1 (0.76%) SAS
Applications
1 11 (8.33%) Microsoft Excel
2 1 (0.76%) Microsoft PowerPoint
2 1 (0.76%) MS Visio
2 1 (0.76%) Spreadsheet
Business Applications
1 2 (1.52%) BambooHR
1 2 (1.52%) SAP MDG
1 2 (1.52%) SAP S/4HANA
2 1 (0.76%) Advent Moxy
2 1 (0.76%) Advent Portfolio Exchange
2 1 (0.76%) Aladdin
2 1 (0.76%) Maximo
2 1 (0.76%) Oracle Financials
2 1 (0.76%) SAP R/3
2 1 (0.76%) Workday HCM
Cloud Services
1 46 (34.85%) Azure
2 28 (21.21%) AWS
2 28 (21.21%) Power Platform
3 19 (14.39%) Azure Data Factory
4 17 (12.88%) Snowflake
5 16 (12.12%) Azure DevOps
6 15 (11.36%) dbt
7 12 (9.09%) GCP
8 10 (7.58%) Amazon S3
8 10 (7.58%) Serverless
9 9 (6.82%) Azure Synapse Analytics
10 8 (6.06%) AWS Lambda
11 7 (5.30%) GitHub
12 6 (4.55%) SaaS
13 5 (3.79%) Collibra
13 5 (3.79%) Microsoft Purview
13 5 (3.79%) Prefect
14 4 (3.03%) Azure Stack
14 4 (3.03%) Dagster
15 3 (2.27%) PowerApps
Communications & Networking
1 2 (1.52%) SSL
Database & Business Intelligence
1 29 (21.97%) Metadata
2 28 (21.21%) Data Warehouse
2 28 (21.21%) Power BI
3 16 (12.12%) Data Lake
4 7 (5.30%) Amazon Redshift
4 7 (5.30%) BigQuery
4 7 (5.30%) Tableau
5 6 (4.55%) Delta Lake
5 6 (4.55%) Enterprise Data Warehouse
5 6 (4.55%) Relational Database
5 6 (4.55%) Star Schema
6 5 (3.79%) Amazon RDS
6 5 (3.79%) Azure SQL Database
6 5 (3.79%) Semantic Layer
6 5 (3.79%) SQL Server
7 4 (3.03%) Amazon Athena
7 4 (3.03%) Data Hub
7 4 (3.03%) Looker
8 3 (2.27%) NoSQL
8 3 (2.27%) SQL Server Integration Services
Development Applications
1 5 (3.79%) JIRA
2 4 (3.03%) Git
3 3 (2.27%) Bitbucket
4 2 (1.52%) Atlassian Bamboo
5 1 (0.76%) Eclipse
5 1 (0.76%) GitLab
5 1 (0.76%) MLflow
General
1 54 (40.91%) Finance
2 42 (31.82%) Social Skills
3 37 (28.03%) Analytical Skills
4 22 (16.67%) Banking
5 9 (6.82%) Public Sector
6 6 (4.55%) Front Office
6 6 (4.55%) Influencing Skills
7 5 (3.79%) Legal
7 5 (3.79%) Pharmaceutical
8 4 (3.03%) Investment Banking
9 3 (2.27%) Advertising
9 3 (2.27%) Marketing
9 3 (2.27%) Retail
10 2 (1.52%) Back Office
10 2 (1.52%) Documentation Skills
10 2 (1.52%) Inclusion and Diversity
10 2 (1.52%) Manufacturing
10 2 (1.52%) Military
10 2 (1.52%) Publishing
11 1 (0.76%) Organisational Skills
Job Titles
1 31 (23.48%) Data Engineer
2 30 (22.73%) Analyst
3 22 (16.67%) Architect
4 20 (15.15%) Data Analyst
5 16 (12.12%) Data Architect
6 14 (10.61%) Senior
7 13 (9.85%) Lead
8 10 (7.58%) Business Analyst
9 9 (6.82%) Senior Data Engineer
10 7 (5.30%) Developer
11 5 (3.79%) AWS Engineer
11 5 (3.79%) Data Manager
12 4 (3.03%) AWS Data Engineer
12 4 (3.03%) Business Intelligence Architect
12 4 (3.03%) Consultant
12 4 (3.03%) Data Business Analyst
12 4 (3.03%) Financial Analyst
12 4 (3.03%) Snowflake Engineer
13 3 (2.27%) GCP Data Engineer
13 3 (2.27%) GCP Engineer
Libraries, Frameworks & Software Standards
1 22 (16.67%) PySpark
2 8 (6.06%) Terraform
3 7 (5.30%) Kafka
4 4 (3.03%) JSON
5 3 (2.27%) Middleware
5 3 (2.27%) REST
6 2 (1.52%) PCRE
6 2 (1.52%) Regular Expression
6 2 (1.52%) SOAP
6 2 (1.52%) Web Services
6 2 (1.52%) XML
7 1 (0.76%) Apache Avro
7 1 (0.76%) Apache NiFi
7 1 (0.76%) Elastic Stack
7 1 (0.76%) pytest
7 1 (0.76%) PyTorch
7 1 (0.76%) React
7 1 (0.76%) Spark Streaming
7 1 (0.76%) Spring Boot
7 1 (0.76%) XSLT
Miscellaneous
1 16 (12.12%) Data Structures
2 11 (8.33%) Cloud Native
3 10 (7.58%) Onboarding
4 8 (6.06%) Management Information System
4 8 (6.06%) Product Ownership
5 5 (3.79%) Reference Data
6 3 (2.27%) Enterprise Software
6 3 (2.27%) Legacy Systems
7 2 (1.52%) CMDB
7 2 (1.52%) Distributed Computing
7 2 (1.52%) Fixed Income
7 2 (1.52%) FMCG
7 2 (1.52%) Foreign Exchange (FX)
7 2 (1.52%) Hedge funds
7 2 (1.52%) Hybrid Cloud
7 2 (1.52%) Life Science
7 2 (1.52%) Low-Code
7 2 (1.52%) NHS
8 1 (0.76%) Data Fabric
8 1 (0.76%) PropTech
Operating Systems
1 2 (1.52%) Linux
1 2 (1.52%) Unix
1 2 (1.52%) Windows
Processes & Methodologies
1 64 (48.48%) Analytics
1 64 (48.48%) Data Modelling
2 61 (46.21%) Data Governance
3 40 (30.30%) Data Engineering
4 39 (29.55%) Data Pipeline
4 39 (29.55%) ETL
5 38 (28.79%) Validation
6 37 (28.03%) Business Intelligence
6 37 (28.03%) Stakeholder Management
7 36 (27.27%) Agile
8 31 (23.48%) Migration
8 31 (23.48%) Stakeholder Engagement
9 30 (22.73%) AI
9 30 (22.73%) CI/CD
10 25 (18.94%) DevOps
11 24 (18.18%) Data Architecture
12 23 (17.42%) Decision-Making
13 22 (16.67%) Translating Business Requirements
14 21 (15.91%) Data Migration
15 20 (15.15%) Metadata Management
Programming Languages
1 68 (51.52%) SQL
2 48 (36.36%) Python
3 8 (6.06%) Data Analysis Expressions
4 7 (5.30%) Java
5 4 (3.03%) PowerShell
6 3 (2.27%) PL/SQL
6 3 (2.27%) Scala
7 2 (1.52%) C#
7 2 (1.52%) LookML
7 2 (1.52%) Perl
8 1 (0.76%) Bash
8 1 (0.76%) Bicep
8 1 (0.76%) R
8 1 (0.76%) SOQL
8 1 (0.76%) T-SQL
Qualifications
1 13 (9.85%) Security Cleared
2 10 (7.58%) SC Cleared
3 9 (6.82%) Degree
4 4 (3.03%) PMI Certification
5 3 (2.27%) PMP
6 2 (1.52%) CAPM
6 2 (1.52%) DBS Check
7 1 (0.76%) ACCA
7 1 (0.76%) AWS Certification
7 1 (0.76%) AWS Certified Solutions Architect
7 1 (0.76%) Azure Certification
7 1 (0.76%) BPSS Clearance
7 1 (0.76%) CBAP
7 1 (0.76%) CIMA
7 1 (0.76%) Computer Science Degree
7 1 (0.76%) CSPO
7 1 (0.76%) DV Cleared
7 1 (0.76%) SnowPro
7 1 (0.76%) TOGAF Certification
Quality Assurance & Compliance
1 10 (7.58%) QA
2 5 (3.79%) Accessibility
2 5 (3.79%) GDPR
3 2 (1.52%) PMO
4 1 (0.76%) Basel III
4 1 (0.76%) GRC
4 1 (0.76%) IFRS
4 1 (0.76%) IFRS 9
4 1 (0.76%) ISO/IEC 19770
4 1 (0.76%) NCSC
4 1 (0.76%) PSD2
System Software
1 3 (2.27%) Docker
2 1 (0.76%) Active Directory
2 1 (0.76%) VMware Infrastructure
Systems Management
1 1 (0.76%) Kubernetes
Vendors
1 34 (25.76%) Microsoft
2 24 (18.18%) Databricks
3 11 (8.33%) SAP
4 10 (7.58%) Oracle
5 9 (6.82%) Informatica
6 5 (3.79%) ServiceNow
7 4 (3.03%) Salesforce
7 4 (3.03%) Workday
8 3 (2.27%) Google
8 3 (2.27%) IBM
8 3 (2.27%) Palantir
9 2 (1.52%) Adobe
9 2 (1.52%) JD Edwards
9 2 (1.52%) Lotus
9 2 (1.52%) Splunk
9 2 (1.52%) Talend
10 1 (0.76%) Bloomberg
10 1 (0.76%) Foundry
10 1 (0.76%) Teradata
10 1 (0.76%) VMware