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

6 months to
9 Jun 2026
Same period 2025 Same period 2024
Rank 37 65 62
Rank change year-on-year +28 -3 +53
Contract jobs citing Data Quality 102 54 62
As % of all contract jobs in the City of London 4.29% 3.17% 2.86%
As % of the Quality Assurance & Compliance category 23.94% 17.53% 16.94%
Number of daily rates quoted 71 32 46
10th Percentile £331 £425 £413
25th Percentile £400 £475 £491
Median daily rate (50th Percentile) £500 £548 £550
Median % change year-on-year -8.68% -0.45% -8.33%
75th Percentile £575 £657 £584
90th Percentile £675 £748 £680
Central London median daily rate £500 £548 £550
% change year-on-year -8.68% -0.45% -8.33%
Number of hourly rates quoted 1 0 0
Median hourly rate £17.23 - -
Central London median hourly rate £17.23 - -

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 426 308 366
As % of all contract IT jobs advertised in the City of London 17.90% 18.05% 16.87%
Number of daily rates quoted 283 210 264
10th Percentile £350 £393 £363
25th Percentile £436 £456 £463
Median daily rate (50th Percentile) £540 £568 £550
Median % change year-on-year -4.85% +3.18% -8.33%
75th Percentile £650 £713 £650
90th Percentile £750 £811 £750
Central London median daily rate £530 £573 £550
% change year-on-year -7.42% +4.09% -8.33%
Number of hourly rates quoted 3 2 3
10th Percentile £19.23 £28.43 £16.78
25th Percentile £22.24 £38.06 £17.96
Median hourly rate £27.50 £54.75 £20.61
Median % change year-on-year -49.77% +165.71% -
75th Percentile £52.25 £72.06 £22.65
90th Percentile £66.95 £82.08 £23.46
Central London median hourly rate £26.11 £23.00 £23.40
% change year-on-year +13.52% -1.71% -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 9 June 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 (13.73%) Apache Airflow
2 4 (3.92%) Apache
3 3 (2.94%) Apache Spark
3 3 (2.94%) Confluence
4 2 (1.96%) SharePoint
5 1 (0.98%) Microsoft Exchange
5 1 (0.98%) Palantir Foundry
5 1 (0.98%) SAS
Applications
1 10 (9.80%) Microsoft Excel
2 3 (2.94%) Microsoft PowerPoint
2 3 (2.94%) MS Visio
3 1 (0.98%) Microsoft Project
3 1 (0.98%) Spreadsheet
Business Applications
1 6 (5.88%) SAP S/4HANA
2 5 (4.90%) BambooHR
3 1 (0.98%) Actimize
3 1 (0.98%) Maximo
3 1 (0.98%) Oracle Financials
3 1 (0.98%) SAP ERP
3 1 (0.98%) SAP MM
Cloud Services
1 33 (32.35%) Power Platform
2 31 (30.39%) Azure
3 21 (20.59%) AWS
4 17 (16.67%) Snowflake
5 11 (10.78%) Azure Data Factory
6 10 (9.80%) dbt
7 9 (8.82%) Amazon S3
8 8 (7.84%) GCP
8 8 (7.84%) Prefect
9 7 (6.86%) AWS Lambda
9 7 (6.86%) Serverless
10 6 (5.88%) Collibra
10 6 (5.88%) Dagster
11 5 (4.90%) Microsoft Purview
12 4 (3.92%) Azure Synapse Analytics
13 3 (2.94%) Amazon SageMaker
14 2 (1.96%) Amazon Kinesis
14 2 (1.96%) AWS Step Functions
14 2 (1.96%) Microsoft 365
14 2 (1.96%) Power Automate
Database & Business Intelligence
1 30 (29.41%) Power BI
2 18 (17.65%) Data Warehouse
2 18 (17.65%) Metadata
3 12 (11.76%) Tableau
4 10 (9.80%) Amazon Redshift
5 8 (7.84%) SQL Server
6 6 (5.88%) BigQuery
6 6 (5.88%) Data Lake
6 6 (5.88%) Looker
7 5 (4.90%) Relational Database
7 5 (4.90%) Snowflake Schema
8 4 (3.92%) Geospatial Data
9 3 (2.94%) Amazon Athena
9 3 (2.94%) Star Schema
10 2 (1.96%) CockroachDB
10 2 (1.96%) Delta Lake
10 2 (1.96%) Metadata Repository
10 2 (1.96%) PostgreSQL
10 2 (1.96%) Semantic Layer
10 2 (1.96%) SQL Server Integration Services
Development Applications
1 4 (3.92%) JIRA
2 3 (2.94%) Git
3 2 (1.96%) GitLab
4 1 (0.98%) Eclipse
4 1 (0.98%) ERwin
4 1 (0.98%) MLflow
General
1 42 (41.18%) Finance
2 29 (28.43%) Analytical Skills
3 24 (23.53%) Social Skills
4 17 (16.67%) Banking
5 6 (5.88%) Legal
6 5 (4.90%) Public Sector
7 4 (3.92%) Telecoms
8 3 (2.94%) Publishing
9 2 (1.96%) Documentation Skills
10 1 (0.98%) Advertising
10 1 (0.98%) Front Office
10 1 (0.98%) Inclusion and Diversity
10 1 (0.98%) Investment Banking
10 1 (0.98%) Marketing
10 1 (0.98%) Military
10 1 (0.98%) Organisational Skills
10 1 (0.98%) Pharmaceutical
10 1 (0.98%) Retail
Job Titles
1 28 (27.45%) Data Engineer
2 27 (26.47%) Analyst
3 17 (16.67%) Data Analyst
4 9 (8.82%) Architect
5 8 (7.84%) Business Analyst
6 7 (6.86%) Consultant
6 7 (6.86%) Data Architect
7 6 (5.88%) Lead
7 6 (5.88%) Snowflake Data Engineer
7 6 (5.88%) Snowflake Engineer
8 3 (2.94%) Data Consultant
8 3 (2.94%) Financial Analyst
9 2 (1.96%) Data Modeller
9 2 (1.96%) Migration Engineer
9 2 (1.96%) Performance Analyst
9 2 (1.96%) Principal Consultant
9 2 (1.96%) Project Manager
9 2 (1.96%) Risk Analyst
9 2 (1.96%) SAP Consultant
9 2 (1.96%) Technical Leader
Libraries, Frameworks & Software Standards
1 9 (8.82%) PySpark
2 6 (5.88%) Kafka
2 6 (5.88%) Pandas
3 4 (3.92%) GeoJSON
3 4 (3.92%) scikit-learn
4 3 (2.94%) JSON
4 3 (2.94%) Matplotlib
4 3 (2.94%) NumPy
4 3 (2.94%) Polars
4 3 (2.94%) REST
5 2 (1.96%) boto
5 2 (1.96%) Great Expectations
5 2 (1.96%) Microsoft Graph
5 2 (1.96%) Node.js
5 2 (1.96%) pytest
5 2 (1.96%) PyTorch
5 2 (1.96%) React
6 1 (0.98%) FHIR
6 1 (0.98%) OpenTelemetry
6 1 (0.98%) Playwright
Miscellaneous
1 10 (9.80%) Legacy Systems
2 8 (7.84%) Data Structures
3 7 (6.86%) Cloud Native
4 4 (3.92%) Clustering
4 4 (3.92%) Management Information System
4 4 (3.92%) Onboarding
5 3 (2.94%) Analytical Mindset
5 3 (2.94%) NHS
5 3 (2.94%) Reference Data
5 3 (2.94%) Self-Motivation
6 2 (1.96%) Algorithms
6 2 (1.96%) Distributed Systems
6 2 (1.96%) Equities
6 2 (1.96%) Foreign Exchange (FX)
6 2 (1.96%) Freedom of Information
6 2 (1.96%) Market Risk
6 2 (1.96%) Product Ownership
7 1 (0.98%) Derivative
7 1 (0.98%) Life Science
7 1 (0.98%) Taxonomies
Processes & Methodologies
1 47 (46.08%) Data Modelling
2 41 (40.20%) Analytics
3 37 (36.27%) Data Pipeline
3 37 (36.27%) Validation
4 34 (33.33%) Business Intelligence
5 29 (28.43%) Data Engineering
5 29 (28.43%) Data Governance
5 29 (28.43%) ETL
6 25 (24.51%) AI
7 20 (19.61%) Migration
8 17 (16.67%) Use Case
9 16 (15.69%) Stakeholder Engagement
10 14 (13.73%) Data Analysis
10 14 (13.73%) Data Science
10 14 (13.73%) Decision-Making
11 13 (12.75%) Agile
11 13 (12.75%) Performance Tuning
11 13 (12.75%) Problem-Solving
11 13 (12.75%) Stakeholder Management
12 12 (11.76%) Data Management
Programming Languages
1 53 (51.96%) SQL
2 45 (44.12%) Python
3 7 (6.86%) Data Analysis Expressions
4 6 (5.88%) Java
5 3 (2.94%) Scala
6 1 (0.98%) C#
6 1 (0.98%) PL/SQL
6 1 (0.98%) T-SQL
6 1 (0.98%) VBA
Qualifications
1 14 (13.73%) Security Cleared
2 10 (9.80%) Degree
2 10 (9.80%) SC Cleared
3 5 (4.90%) BPSS Clearance
4 3 (2.94%) Computer Science Degree
5 2 (1.96%) DBS Check
5 2 (1.96%) DV Cleared
5 2 (1.96%) PMI Certification
5 2 (1.96%) SnowPro
6 1 (0.98%) ACCA
6 1 (0.98%) Azure Certification
6 1 (0.98%) CBAP
6 1 (0.98%) CFA
6 1 (0.98%) CIMA
6 1 (0.98%) PMP
6 1 (0.98%) RIBA
Quality Assurance & Compliance
1 13 (12.75%) QA
2 10 (9.80%) GDPR
3 3 (2.94%) Accessibility
4 2 (1.96%) ISO/IEC 27001
5 1 (0.98%) Basel III
5 1 (0.98%) HIPAA
5 1 (0.98%) HL7
5 1 (0.98%) NIST
5 1 (0.98%) PMO
5 1 (0.98%) Sarbanes-Oxley
5 1 (0.98%) Solvency II
System Software
1 3 (2.94%) Docker
Systems Management
1 3 (2.94%) Terraform
2 2 (1.96%) Kubernetes
Vendors
1 22 (21.57%) Microsoft
2 19 (18.63%) Databricks
3 11 (10.78%) SAP
4 9 (8.82%) Informatica
5 7 (6.86%) Oracle
6 5 (4.90%) Workday
7 4 (3.92%) Google
7 4 (3.92%) Salesforce
8 2 (1.96%) Palantir
9 1 (0.98%) Adobe
9 1 (0.98%) Alteryx
9 1 (0.98%) Cerner
9 1 (0.98%) Foundry
9 1 (0.98%) IBM
9 1 (0.98%) LexisNexis
9 1 (0.98%) Marketo
9 1 (0.98%) MuleSoft
9 1 (0.98%) Pega
9 1 (0.98%) ServiceNow
9 1 (0.98%) Talend