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

6 months to
16 Jul 2026
Same period 2025 Same period 2024
Rank 40 66 72
Rank change year-on-year +26 +6 +40
Contract jobs citing Data Quality 108 63 60
As % of all contract jobs in the City of London 4.46% 3.39% 2.80%
As % of the Quality Assurance & Compliance category 25.35% 18.26% 16.26%
Number of daily rates quoted 82 45 42
10th Percentile £369 £289 £368
25th Percentile £433 £475 £475
Median daily rate (50th Percentile) £525 £525 £550
Median % change year-on-year - -4.55% -11.11%
75th Percentile £634 £625 £588
90th Percentile £774 £740 £749
Central London median daily rate £525 £525 £550
% change year-on-year - -4.55% -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 426 345 369
As % of all contract IT jobs advertised in the City of London 17.58% 18.54% 17.19%
Number of daily rates quoted 301 246 255
10th Percentile £375 £367 £363
25th Percentile £463 £453 £469
Median daily rate (50th Percentile) £550 £544 £575
Median % change year-on-year +1.15% -5.43% -4.17%
75th Percentile £668 £703 £650
90th Percentile £775 £811 £771
Central London median daily rate £550 £550 £550
% change year-on-year - - -8.33%
Number of hourly rates quoted 2 3 3
10th Percentile £31.75 £28.05 £16.78
25th Percentile £38.50 £37.13 £17.96
Median hourly rate £51.00 £54.50 £20.61
Median % change year-on-year -6.42% +164.50% -
75th Percentile £64.50 £72.75 £22.65
90th Percentile £71.85 £82.35 £23.46
Central London median hourly rate £42.50 £34.48 £23.40
% change year-on-year +23.26% +47.35% -6.40%

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 16 July 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 (12.96%) Apache Airflow
2 4 (3.70%) Apache
3 3 (2.78%) Confluence
4 2 (1.85%) Apache Spark
4 2 (1.85%) HCL Notes
4 2 (1.85%) SharePoint
5 1 (0.93%) Microsoft Exchange
5 1 (0.93%) Palantir Foundry
5 1 (0.93%) SAS
Applications
1 11 (10.19%) Microsoft Excel
2 3 (2.78%) Microsoft PowerPoint
2 3 (2.78%) MS Visio
3 1 (0.93%) Microsoft Project
3 1 (0.93%) Spreadsheet
Business Applications
1 5 (4.63%) BambooHR
2 2 (1.85%) SAP S/4HANA
3 1 (0.93%) Actimize
3 1 (0.93%) Aladdin
3 1 (0.93%) Maximo
3 1 (0.93%) Oracle Financials
3 1 (0.93%) SAP MDG
3 1 (0.93%) SAP R/3
3 1 (0.93%) Workday HCM
Cloud Services
1 35 (32.41%) Power Platform
2 30 (27.78%) Azure
3 18 (16.67%) Snowflake
4 17 (15.74%) AWS
5 13 (12.04%) dbt
6 10 (9.26%) GCP
7 9 (8.33%) Azure Data Factory
8 8 (7.41%) Prefect
9 7 (6.48%) Amazon S3
9 7 (6.48%) Collibra
10 6 (5.56%) Dagster
11 5 (4.63%) AWS Lambda
11 5 (4.63%) Serverless
12 3 (2.78%) Azure Synapse Analytics
12 3 (2.78%) GitHub
12 3 (2.78%) Microsoft Purview
13 2 (1.85%) Fivetran
13 2 (1.85%) Microsoft 365
13 2 (1.85%) Power Automate
13 2 (1.85%) SuccessFactors
Database & Business Intelligence
1 32 (29.63%) Power BI
2 21 (19.44%) Data Warehouse
3 18 (16.67%) Metadata
4 12 (11.11%) Tableau
5 9 (8.33%) Amazon Redshift
6 8 (7.41%) BigQuery
7 6 (5.56%) Data Lake
7 6 (5.56%) Looker
7 6 (5.56%) Snowflake Schema
7 6 (5.56%) SQL Server
8 5 (4.63%) Relational Database
9 4 (3.70%) Geospatial Data
9 4 (3.70%) Star Schema
10 3 (2.78%) Amazon RDS
10 3 (2.78%) Enterprise Data Warehouse
10 3 (2.78%) Semantic Layer
11 2 (1.85%) Amazon Athena
11 2 (1.85%) NoSQL
11 2 (1.85%) PostgreSQL
11 2 (1.85%) SQL Server Integration Services
Development Applications
1 3 (2.78%) Git
1 3 (2.78%) JIRA
2 2 (1.85%) GitLab
3 1 (0.93%) Atlassian Bamboo
3 1 (0.93%) Bitbucket
3 1 (0.93%) Eclipse
3 1 (0.93%) ERwin
General
1 47 (43.52%) Finance
2 34 (31.48%) Analytical Skills
3 32 (29.63%) Social Skills
4 16 (14.81%) Banking
5 7 (6.48%) Legal
6 5 (4.63%) Public Sector
7 4 (3.70%) Telecoms
8 3 (2.78%) Publishing
9 2 (1.85%) Marketing
9 2 (1.85%) Retail
10 1 (0.93%) Advertising
10 1 (0.93%) Documentation Skills
10 1 (0.93%) Front Office
10 1 (0.93%) Inclusion and Diversity
10 1 (0.93%) Influencing Skills
10 1 (0.93%) Military
10 1 (0.93%) Organisational Skills
10 1 (0.93%) Pharmaceutical
Job Titles
1 30 (27.78%) Analyst
2 25 (23.15%) Data Engineer
3 21 (19.44%) Data Analyst
4 11 (10.19%) Architect
4 11 (10.19%) Business Analyst
4 11 (10.19%) Lead
5 9 (8.33%) Data Architect
6 7 (6.48%) Consultant
7 6 (5.56%) Snowflake Data Engineer
7 6 (5.56%) Snowflake Engineer
8 5 (4.63%) Data Business Analyst
9 3 (2.78%) Data Consultant
9 3 (2.78%) Data Modeller
9 3 (2.78%) Data Quality Analyst
9 3 (2.78%) Financial Analyst
9 3 (2.78%) Quality Analyst
10 2 (1.85%) Integration Engineer
10 2 (1.85%) Migration Engineer
10 2 (1.85%) Performance Analyst
10 2 (1.85%) Principal Consultant
Libraries, Frameworks & Software Standards
1 7 (6.48%) PySpark
2 6 (5.56%) Kafka
3 4 (3.70%) GeoJSON
3 4 (3.70%) JSON
4 3 (2.78%) Matplotlib
4 3 (2.78%) Pandas
4 3 (2.78%) Polars
4 3 (2.78%) scikit-learn
5 2 (1.85%) Great Expectations
5 2 (1.85%) Microsoft Graph
5 2 (1.85%) Node.js
5 2 (1.85%) pytest
5 2 (1.85%) React
6 1 (0.93%) FHIR
6 1 (0.93%) Next.js
6 1 (0.93%) OpenTelemetry
6 1 (0.93%) Playwright
6 1 (0.93%) PyTorch
6 1 (0.93%) Spring Boot
6 1 (0.93%) Vert.x
Miscellaneous
1 9 (8.33%) Data Structures
1 9 (8.33%) Legacy Systems
2 7 (6.48%) Cloud Native
3 6 (5.56%) Onboarding
4 5 (4.63%) Product Ownership
5 4 (3.70%) Clustering
5 4 (3.70%) NHS
6 3 (2.78%) Analytical Mindset
6 3 (2.78%) Reference Data
7 2 (1.85%) Algorithms
7 2 (1.85%) CMDB
7 2 (1.85%) Distributed Systems
7 2 (1.85%) Freedom of Information
7 2 (1.85%) Management Information System
7 2 (1.85%) Self-Motivation
8 1 (0.93%) Credit Risk
8 1 (0.93%) Derivative
8 1 (0.93%) Market Risk
8 1 (0.93%) Security Posture
8 1 (0.93%) Taxonomies
Processes & Methodologies
1 50 (46.30%) Data Modelling
2 47 (43.52%) Analytics
3 39 (36.11%) Data Governance
3 39 (36.11%) Validation
4 37 (34.26%) Business Intelligence
5 32 (29.63%) Data Pipeline
6 29 (26.85%) Data Engineering
7 27 (25.00%) ETL
8 26 (24.07%) AI
9 21 (19.44%) Stakeholder Engagement
10 20 (18.52%) Migration
10 20 (18.52%) Stakeholder Management
11 19 (17.59%) Decision-Making
12 17 (15.74%) Use Case
13 15 (13.89%) Data Management
13 15 (13.89%) Data Migration
14 14 (12.96%) Data Analysis
14 14 (12.96%) Data Architecture
14 14 (12.96%) Performance Tuning
14 14 (12.96%) Problem-Solving
Programming Languages
1 48 (44.44%) SQL
2 37 (34.26%) Python
3 8 (7.41%) Data Analysis Expressions
4 6 (5.56%) Java
5 3 (2.78%) Scala
6 1 (0.93%) C#
6 1 (0.93%) T-SQL
6 1 (0.93%) VBA
Qualifications
1 14 (12.96%) Security Cleared
2 10 (9.26%) SC Cleared
3 9 (8.33%) Degree
4 5 (4.63%) BPSS Clearance
5 3 (2.78%) Computer Science Degree
6 2 (1.85%) DBS Check
6 2 (1.85%) DV Cleared
6 2 (1.85%) SnowPro
7 1 (0.93%) ACCA
7 1 (0.93%) Azure Certification
7 1 (0.93%) CBAP
7 1 (0.93%) CIMA
7 1 (0.93%) PMI Certification
7 1 (0.93%) RIBA
Quality Assurance & Compliance
1 13 (12.04%) QA
2 10 (9.26%) GDPR
3 3 (2.78%) Accessibility
4 1 (0.93%) HIPAA
4 1 (0.93%) HL7
4 1 (0.93%) NIST
4 1 (0.93%) PMO
4 1 (0.93%) Sarbanes-Oxley
4 1 (0.93%) Solvency II
System Software
1 3 (2.78%) Docker
2 1 (0.93%) Active Directory
Systems Management
1 4 (3.70%) Terraform
2 2 (1.85%) Kubernetes
Vendors
1 24 (22.22%) Microsoft
2 16 (14.81%) Databricks
3 10 (9.26%) Informatica
4 7 (6.48%) Oracle
4 7 (6.48%) Workday
5 6 (5.56%) SAP
6 5 (4.63%) Google
7 3 (2.78%) Palantir
7 3 (2.78%) Salesforce
8 2 (1.85%) Lotus
8 2 (1.85%) ServiceNow
8 2 (1.85%) Talend
9 1 (0.93%) Adobe
9 1 (0.93%) Cerner
9 1 (0.93%) IBM
9 1 (0.93%) IFS
9 1 (0.93%) LexisNexis
9 1 (0.93%) Marketo
9 1 (0.93%) MuleSoft
9 1 (0.93%) Pega