Data Quality Contracts in the City of London

Data Quality
Central London > City of London

The table below provides summary statistics for contract job vacancies advertised in the City of London requiring Data Quality skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Data Quality over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 68 58 116
Rank change year-on-year -10 +58 +17
Contract jobs citing Data Quality 51 73 62
As % of all contract jobs advertised in the City of London 2.90% 3.32% 1.70%
As % of the Quality Assurance & Compliance category 17.83% 19.16% 13.28%
Number of daily rates quoted 28 53 41
10th Percentile £421 £450 £375
25th Percentile £479 £500 £463
Median daily rate (50th Percentile) £573 £550 £600
Median % change year-on-year +4.09% -8.33% +3.45%
75th Percentile £681 £575 £708
90th Percentile £725 £680 £775
Central London median daily rate £573 £550 £600
% change year-on-year +4.09% -8.33% +3.45%

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 286 381 467
As % of all contract IT jobs advertised in the City of London 16.29% 17.34% 12.82%
Number of daily rates quoted 182 276 342
10th Percentile £375 £363 £400
25th Percentile £462 £463 £499
Median daily rate (50th Percentile) £554 £550 £600
Median % change year-on-year +0.64% -8.33% +9.09%
75th Percentile £700 £661 £725
90th Percentile £800 £763 £838
Central London median daily rate £550 £550 £600
% change year-on-year - -8.33% +9.09%
Number of hourly rates quoted 1 3 0
Median hourly rate £22.00 £20.61 -
Median % change year-on-year +6.77% - -
Central London median hourly rate £22.50 £23.40 £23.50
% change year-on-year -3.85% -0.43% -45.98%

Data Quality
Job Vacancy Trend in the City of London

Job postings citing Data Quality as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Data Quality in the City of London

Data Quality
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Data Quality in the City of London.

Daily rate trend for Data Quality in the City of London

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 1 May 2025.

Daily rate histogram for Data Quality in the City of London

Data Quality
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Data Quality in the City of London.

Hourly rate trend for Data Quality in the City of London

Data Quality
Co-occurring Skills and Capabilities in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 7 (13.73%) Apache Spark
2 5 (9.80%) Apache
2 5 (9.80%) SharePoint
3 2 (3.92%) Apache Airflow
4 1 (1.96%) Luigi
4 1 (1.96%) SAS
Applications
1 8 (15.69%) Microsoft Excel
2 2 (3.92%) Microsoft Office
2 2 (3.92%) Microsoft PowerPoint
2 2 (3.92%) Microsoft Project
3 1 (1.96%) MS Visio
Business Applications
1 1 (1.96%) SAP HR
Cloud Services
1 15 (29.41%) Azure
2 12 (23.53%) Power Platform
3 7 (13.73%) AWS
4 6 (11.76%) Azure Data Factory
5 5 (9.80%) Azure DevOps
6 4 (7.84%) Collibra
7 3 (5.88%) Azure Synapse Analytics
7 3 (5.88%) GCP
7 3 (5.88%) GitHub
7 3 (5.88%) Snowflake
8 2 (3.92%) Amazon S3
8 2 (3.92%) AWS Lambda
8 2 (3.92%) Fivetran
8 2 (3.92%) GitHub Actions
8 2 (3.92%) Microsoft Purview
8 2 (3.92%) SaaS
8 2 (3.92%) Serverless
8 2 (3.92%) SuccessFactors
8 2 (3.92%) WhatsApp
9 1 (1.96%) Alation
Database & Business Intelligence
1 12 (23.53%) Power BI
2 10 (19.61%) Data Warehouse
3 8 (15.69%) Data Lake
4 6 (11.76%) Metadata
4 6 (11.76%) Snowflake Schema
4 6 (11.76%) Tableau
5 5 (9.80%) Big Data
6 4 (7.84%) NoSQL
6 4 (7.84%) SQL Server
7 3 (5.88%) Azure SQL Database
7 3 (5.88%) Delta Lake
7 3 (5.88%) Hadoop
7 3 (5.88%) PostgreSQL
7 3 (5.88%) Relational Database
8 2 (3.92%) MongoDB
8 2 (3.92%) SAP Data Services
8 2 (3.92%) Star Schema
8 2 (3.92%) Tableau Server
9 1 (1.96%) BusinessObjects
9 1 (1.96%) Crystal Reports
Development Applications
1 2 (3.92%) Git
1 2 (3.92%) JIRA
2 1 (1.96%) Postman
2 1 (1.96%) Selenium
2 1 (1.96%) Terragrunt
General
1 24 (47.06%) Social Skills
2 19 (37.25%) Finance
3 14 (27.45%) Analytical Skills
4 8 (15.69%) Banking
5 4 (7.84%) Legal
5 4 (7.84%) Public Sector
6 3 (5.88%) Front Office
6 3 (5.88%) Influencing Skills
6 3 (5.88%) Investment Banking
7 2 (3.92%) Financial Institution
7 2 (3.92%) Inclusion and Diversity
7 2 (3.92%) Military
8 1 (1.96%) Retail
Job Titles
1 19 (37.25%) Data Engineer
2 9 (17.65%) Analyst
3 7 (13.73%) Senior
4 6 (11.76%) Data Analyst
5 5 (9.80%) Business Analyst
5 5 (9.80%) Data Business Analyst
5 5 (9.80%) Senior Analyst
6 4 (7.84%) Consultant
7 3 (5.88%) Azure Data Engineer
7 3 (5.88%) Azure Engineer
7 3 (5.88%) Data Consultant
7 3 (5.88%) Data Governance Consultant
7 3 (5.88%) Data Manager
7 3 (5.88%) Data Scientist
7 3 (5.88%) Developer
7 3 (5.88%) Governance Consultant
7 3 (5.88%) Lead
7 3 (5.88%) Senior Data Analyst
8 2 (3.92%) Lead Data Engineer
8 2 (3.92%) Pensions Project Manager
Libraries, Frameworks & Software Standards
1 5 (9.80%) Kafka
2 4 (7.84%) PySpark
3 2 (3.92%) .NET
3 2 (3.92%) Pandas
3 2 (3.92%) REST
4 1 (1.96%) FHIR
4 1 (1.96%) JSON
4 1 (1.96%) NumPy
4 1 (1.96%) OpenCV
4 1 (1.96%) Plotly
4 1 (1.96%) pydantic
4 1 (1.96%) pytest
4 1 (1.96%) PyTorch
4 1 (1.96%) scikit-learn
4 1 (1.96%) SciPy
4 1 (1.96%) TensorFlow
4 1 (1.96%) XML
Miscellaneous
1 4 (7.84%) Market Risk
2 3 (5.88%) Foreign Exchange (FX)
3 2 (3.92%) Data Structures
3 2 (3.92%) Derivative
4 1 (1.96%) Credit Risk
4 1 (1.96%) Distributed Systems
4 1 (1.96%) Interest Rate Derivative
4 1 (1.96%) Legacy Systems
4 1 (1.96%) Management Information System
4 1 (1.96%) Onboarding
4 1 (1.96%) Self-Motivation
4 1 (1.96%) Team-Oriented Environment
Operating Systems
1 1 (1.96%) Linux
1 1 (1.96%) Unix
Processes & Methodologies
1 21 (41.18%) Data Governance
2 20 (39.22%) ETL
3 18 (35.29%) Business Intelligence
4 17 (33.33%) Data Modelling
4 17 (33.33%) Problem-Solving
5 14 (27.45%) Analytics
5 14 (27.45%) Data Engineering
6 11 (21.57%) Data Pipeline
6 11 (21.57%) Risk Management
7 10 (19.61%) Data Management
8 9 (17.65%) CI/CD
8 9 (17.65%) Data Analysis
8 9 (17.65%) Data Integration
8 9 (17.65%) Migration
8 9 (17.65%) Visualisation
9 8 (15.69%) Data Cleansing
9 8 (15.69%) Data Science
9 8 (15.69%) DevOps
10 7 (13.73%) Agile
11 6 (11.76%) Validation
Programming Languages
1 26 (50.98%) SQL
2 22 (43.14%) Python
3 4 (7.84%) Scala
4 2 (3.92%) Java
5 1 (1.96%) C#
5 1 (1.96%) R
5 1 (1.96%) SAS Macro
5 1 (1.96%) T-SQL
Qualifications
1 7 (13.73%) Degree
2 5 (9.80%) PMI Certification
2 5 (9.80%) PMP
3 3 (5.88%) Security Cleared
4 2 (3.92%) CBAP
4 2 (3.92%) SC Cleared
5 1 (1.96%) AWS Certification
5 1 (1.96%) AWS Certified Solutions Architect
5 1 (1.96%) Azure Certification
5 1 (1.96%) CAPM
5 1 (1.96%) Master's Degree
5 1 (1.96%) MBA
5 1 (1.96%) PgMP
Quality Assurance & Compliance
1 3 (5.88%) GDPR
1 3 (5.88%) QA
2 2 (3.92%) EMIR
2 2 (3.92%) MiFID
3 1 (1.96%) HIPAA
System Software
1 1 (1.96%) Docker
1 1 (1.96%) HDFS
Systems Management
1 2 (3.92%) Terraform
2 1 (1.96%) Kubernetes
Vendors
1 7 (13.73%) Databricks
1 7 (13.73%) Microsoft
2 4 (7.84%) Informatica
3 3 (5.88%) Oracle
4 2 (3.92%) Google
4 2 (3.92%) SAP
5 1 (1.96%) Alteryx
5 1 (1.96%) Concur
5 1 (1.96%) Confluent
5 1 (1.96%) MicroStrategy
5 1 (1.96%) MuleSoft