Period
to 12 May 2021

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Data Quality skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Quality over the 6 months to 12 May 2021 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Data Quality
England > London
6 months to
12 May 2021
Same period 2020 Same period 2019
Rank 176 229 245
Rank change year-on-year +53 +16 -3
Contract jobs citing Data Quality 367 223 465
As % of all contract jobs advertised in London 1.56% 1.06% 1.14%
As % of the Quality Assurance & Compliance category 14.38% 10.66% 11.09%
Number of daily rates quoted 221 153 308
10th Percentile £313 £251 £313
25th Percentile £413 £413 £413
Median daily rate (50th Percentile) £500 £525 £520
Median % change year-on-year -4.76% +0.96% +1.46%
75th Percentile £619 £594 £575
90th Percentile £688 £697 £638
England median daily rate £500 £495 £475
% change year-on-year +1.01% +4.21% -
Number of hourly rates quoted 4 11 5
10th Percentile £20.38 £15.94 £14.18
25th Percentile £20.94 £17.64 £16.69
Median hourly rate £30.00 £21.00 £22.50
Median % change year-on-year +42.86% -6.67% -22.48%
75th Percentile £38.81 £31.82 £38.75
90th Percentile £38.93 £35.75 £45.50
England median hourly rate £20.45 £20.56 £20.24
% change year-on-year -0.51% +1.58% +9.26%

Data Quality is in the Quality Assurance and Compliance category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for quality assurance or compliance skills.

All Quality Assurance and Compliance Skills
London
Contract vacancies with a requirement for quality assurance or compliance skills 2,553 2,092 4,194
As % of all contract IT jobs advertised in London 10.83% 9.94% 10.27%
Number of daily rates quoted 1,739 1,490 2,850
10th Percentile £318 £300 £306
25th Percentile £413 £400 £400
Median daily rate (50th Percentile) £500 £495 £500
Median % change year-on-year +1.01% -1.00% -
75th Percentile £605 £588 £600
90th Percentile £688 £650 £675
England median daily rate £475 £450 £450
% change year-on-year +5.56% - -
Number of hourly rates quoted 18 40 54
10th Percentile £14.00 £15.48 £12.50
25th Percentile £14.30 £18.38 £15.00
Median hourly rate £20.00 £26.08 £20.88
Median % change year-on-year -23.31% +24.93% -4.68%
75th Percentile £23.44 £38.41 £30.19
90th Percentile £38.83 £51.50 £43.75
England median hourly rate £20.90 £22.81 £20.50
% change year-on-year -8.35% +11.26% -4.66%

Data Quality
Job Vacancy Trend in London

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

Job vacancy trend for Data Quality in London

Data Quality
Contractor Daily Rate Trend in London

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

Daily rate trend for Data Quality in London

Data Quality
Daily Rate Histogram in London

Daily rate distribution for jobs citing Data Quality in London over the 6 months to 12 May 2021.

Daily rate histogram for Data Quality in London

Data Quality
Contractor Hourly Rate Trend in London

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

Hourly rate trend for Data Quality in London

Data Quality
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing Data Quality in London over the 6 months to 12 May 2021.

Hourly rate histogram for Data Quality in London

Data Quality
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Quality within the London region over the 6 months to 12 May 2021. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +33 41 £481 -1.28% 15
West London +12 16 £624 +42.51% 7
South London - 5 £425 - 1
East London +20 4 £300 -57.14% 3
Data Quality
England

For the 6 months to 12 May 2021, IT contractor jobs citing Data Quality also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the London region with a requirement for Data Quality.

1 134 (36.51%) Data Modelling
2 128 (34.88%) SQL
3 113 (30.79%) Data Management
4 112 (30.52%) Finance
5 104 (28.34%) Social Skills
6 98 (26.70%) Agile Software Development
7 83 (22.62%) Data Governance
8 82 (22.34%) Azure
9 77 (20.98%) Business Intelligence
10 69 (18.80%) Python
11 67 (18.26%) Analytics
12 63 (17.17%) Data Architecture
13 62 (16.89%) Data Analysis
14 59 (16.08%) Data Warehouse
15 57 (15.53%) ETL
16 53 (14.44%) Master Data Management
17 46 (12.53%) Big Data
17 46 (12.53%) SQL Server
17 46 (12.53%) Change Management
17 46 (12.53%) Migration
17 46 (12.53%) Power Platform
17 46 (12.53%) Power BI
18 45 (12.26%) Data Lake
19 42 (11.44%) Microsoft Excel
19 42 (11.44%) Data Integration
20 40 (10.90%) Banking
21 38 (10.35%) DevOps
22 37 (10.08%) AWS
22 37 (10.08%) Marketing
23 36 (9.81%) Requirements Gathering

Data Quality
Co-occurring IT Skills in London by Category

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

Application Platforms
1 22 (5.99%) Apache Spark
2 15 (4.09%) Apache Airflow
3 6 (1.63%) SAS
4 3 (0.82%) Apache
4 3 (0.82%) Apache Solr
4 3 (0.82%) Confluence
4 3 (0.82%) SharePoint
5 1 (0.27%) Adobe Experience Manager
5 1 (0.27%) Apache Pig
5 1 (0.27%) ArcGIS
5 1 (0.27%) IIS
5 1 (0.27%) Oracle SOA Suite
5 1 (0.27%) Tomcat
5 1 (0.27%) Tornado
Applications
1 42 (11.44%) Microsoft Excel
2 11 (3.00%) Microsoft Office
3 6 (1.63%) Spreadsheet
4 3 (0.82%) Microsoft PowerPoint
5 1 (0.27%) MS Visio
5 1 (0.27%) SPSS
Business Applications
1 8 (2.18%) Salesforce.com CRM
2 6 (1.63%) Adobe Campaign
3 4 (1.09%) Dynamics CRM
3 4 (1.09%) SAP S/4HANA
4 3 (0.82%) Cerner Millennium
5 2 (0.54%) NetSuite
5 2 (0.54%) SAP HCM
5 2 (0.54%) SAP MDG
6 1 (0.27%) iTrent
6 1 (0.27%) Oracle BPM
6 1 (0.27%) SAP ERP
6 1 (0.27%) SAP FI-CA
6 1 (0.27%) SAP MDM
6 1 (0.27%) SAP MM
6 1 (0.27%) SAP SD
6 1 (0.27%) Workfront
Cloud Services
1 82 (22.34%) Azure
2 46 (12.53%) Power Platform
3 37 (10.08%) AWS
4 22 (5.99%) Serverless
5 18 (4.90%) GCP
6 17 (4.63%) Azure Synapse Analytics
6 17 (4.63%) PaaS
7 14 (3.81%) Azure Data Factory
8 12 (3.27%) AWS Lambda
9 10 (2.72%) iPaaS
10 7 (1.91%) IaaS
11 6 (1.63%) Adobe Analytics
11 6 (1.63%) Amazon S3
11 6 (1.63%) SuccessFactors
12 4 (1.09%) Azure Machine Learning
13 3 (0.82%) Azure Storage
13 3 (0.82%) Dynamics 365
13 3 (0.82%) Google Sheets
13 3 (0.82%) Microsoft 365
13 3 (0.82%) Salesforce Service Cloud
Communications & Networking
1 6 (1.63%) SMS
2 5 (1.36%) DMARC
2 5 (1.36%) DNS
2 5 (1.36%) SMTP
Database & Business Intelligence
1 59 (16.08%) Data Warehouse
2 46 (12.53%) Big Data
2 46 (12.53%) Power BI
2 46 (12.53%) SQL Server
3 45 (12.26%) Data Lake
4 31 (8.45%) PostgreSQL
5 26 (7.08%) Tableau
6 18 (4.90%) SQL Server Integration Services
7 14 (3.81%) Hadoop
7 14 (3.81%) NoSQL
8 12 (3.27%) Relational Database
9 11 (3.00%) Data Mining
9 11 (3.00%) QlikView
10 10 (2.72%) Apache Hive
10 10 (2.72%) BusinessObjects
11 9 (2.45%) SQL Server Reporting Services
12 7 (1.91%) Amazon Redshift
12 7 (1.91%) Azure SQL Database
12 7 (1.91%) BigQuery
13 6 (1.63%) Pentaho
Development Applications
1 19 (5.18%) kappa
2 18 (4.90%) PowerDesigner
3 9 (2.45%) JIRA
4 8 (2.18%) SQL Server Management Studio (SSMS)
5 7 (1.91%) Git (software)
5 7 (1.91%) MLflow
6 6 (1.63%) ERwin
7 5 (1.36%) Cucumber
7 5 (1.36%) Cypress.io
7 5 (1.36%) JUnit
7 5 (1.36%) Mockito
7 5 (1.36%) Selenium
7 5 (1.36%) Visual Studio Team System
8 4 (1.09%) Visual Studio
9 3 (0.82%) Artifactory
9 3 (0.82%) Bitbucket
9 3 (0.82%) Jenkins
9 3 (0.82%) Toad
10 2 (0.54%) ER Studio
10 2 (0.54%) Zephyr
General
1 112 (30.52%) Finance
2 104 (28.34%) Social Skills
3 40 (10.90%) Banking
4 37 (10.08%) Marketing
5 35 (9.54%) Analytical Skills
6 18 (4.90%) Presentation Skills
7 14 (3.81%) Public Sector
8 13 (3.54%) Documentation Skills
8 13 (3.54%) Investment Banking
9 12 (3.27%) Retail
10 11 (3.00%) Telecoms
11 9 (2.45%) Influencing Skills
12 7 (1.91%) Legal
12 7 (1.91%) Manufacturing
13 6 (1.63%) Advertising
13 6 (1.63%) Electronics
13 6 (1.63%) Front Office
13 6 (1.63%) Law
14 5 (1.36%) Pharmaceutical
15 4 (1.09%) Financial Institution
Job Titles
1 104 (28.34%) Analyst
2 73 (19.89%) Architect
3 68 (18.53%) Data Analyst
3 68 (18.53%) Data Architect
4 33 (8.99%) Data Engineer
5 28 (7.63%) Developer
6 20 (5.45%) Business Analyst
6 20 (5.45%) Solutions Architect
7 18 (4.90%) Azure Architect
8 12 (3.27%) Data Manager
9 11 (3.00%) Consultant
9 11 (3.00%) SQL Analyst
10 9 (2.45%) Data Scientist
10 9 (2.45%) Power BI Analyst
11 8 (2.18%) Business Intelligence Analyst
11 8 (2.18%) Data Business Analyst
11 8 (2.18%) Data Modeller
11 8 (2.18%) Splunk Engineer
11 8 (2.18%) SQL Data Analyst
12 7 (1.91%) Risk Analyst
Libraries, Frameworks & Software Standards
1 10 (2.72%) Kafka
1 10 (2.72%) React
2 9 (2.45%) Pandas
2 9 (2.45%) REST
2 9 (2.45%) Web Services
3 7 (1.91%) JSON
3 7 (1.91%) NumPy
4 6 (1.63%) PyTorch
4 6 (1.63%) SOAP
4 6 (1.63%) Spring
4 6 (1.63%) TensorFlow
4 6 (1.63%) XML
5 5 (1.36%) PySpark
6 4 (1.09%) Keras
6 4 (1.09%) scikit-learn
7 3 (0.82%) CoreNLP
7 3 (0.82%) Lucene
7 3 (0.82%) Middleware
7 3 (0.82%) Prophet
7 3 (0.82%) RESTful
Miscellaneous
1 26 (7.08%) Reference Data
2 17 (4.63%) Data Structures
3 15 (4.09%) Data Centre
3 15 (4.09%) Management Information System
3 15 (4.09%) Virtual Team
4 12 (3.27%) Algorithms
5 10 (2.72%) NHS
6 8 (2.18%) Hybrid Cloud
7 6 (1.63%) Marketing Technology
8 5 (1.36%) Reinsurance
8 5 (1.36%) Taxonomies
9 4 (1.09%) Fixed Income
9 4 (1.09%) Self-Motivation
10 3 (0.82%) CMDB
10 3 (0.82%) SWIFT
11 2 (0.54%) CUDA
11 2 (0.54%) Derivative
11 2 (0.54%) Market Risk
11 2 (0.54%) Mobile App
11 2 (0.54%) User Experience
Operating Systems
1 9 (2.45%) Unix
2 5 (1.36%) Windows
3 4 (1.09%) Linux
4 2 (0.54%) Windows 10
5 1 (0.27%) Android
5 1 (0.27%) Apple iOS
5 1 (0.27%) Windows Server
Processes & Methodologies
1 134 (36.51%) Data Modelling
2 113 (30.79%) Data Management
3 98 (26.70%) Agile Software Development
4 83 (22.62%) Data Governance
5 77 (20.98%) Business Intelligence
6 67 (18.26%) Analytics
7 63 (17.17%) Data Architecture
8 62 (16.89%) Data Analysis
9 57 (15.53%) ETL
10 53 (14.44%) Master Data Management
11 46 (12.53%) Change Management
11 46 (12.53%) Migration
12 42 (11.44%) Data Integration
13 38 (10.35%) DevOps
14 36 (9.81%) Requirements Gathering
15 33 (8.99%) Visualisation
16 32 (8.72%) Data Transformation
16 32 (8.72%) Logical Data Model
17 31 (8.45%) Data Pipeline
18 29 (7.90%) SDLC
Programming Languages
1 128 (34.88%) SQL
2 69 (18.80%) Python
3 26 (7.08%) Java
4 20 (5.45%) R
5 18 (4.90%) JavaScript
6 15 (4.09%) T-SQL
7 7 (1.91%) Scala
8 6 (1.63%) PL/SQL
8 6 (1.63%) TypeScript
9 5 (1.36%) ES6
9 5 (1.36%) Java 8
10 4 (1.09%) Apex Code
10 4 (1.09%) C#
10 4 (1.09%) Shell Script
10 4 (1.09%) SOQL
10 4 (1.09%) VBA
11 3 (0.82%) C
12 2 (0.54%) Groovy
12 2 (0.54%) XPath
12 2 (0.54%) XQuery
Qualifications
1 25 (6.81%) Security Cleared
2 20 (5.45%) SC Cleared
3 15 (4.09%) Degree
4 3 (0.82%) Computer Science Degree
4 3 (0.82%) ITIL Certification
5 2 (0.54%) BPSS Clearance
5 2 (0.54%) PMP
6 1 (0.27%) ISEB
6 1 (0.27%) ISEB Practitioner
6 1 (0.27%) ISTQB
6 1 (0.27%) PMI Certification
6 1 (0.27%) Postgraduate
Quality Assurance & Compliance
1 20 (5.45%) QA
2 19 (5.18%) GDPR
3 5 (1.36%) ISO/IEC 27001
3 5 (1.36%) PMO
3 5 (1.36%) SLA
4 2 (0.54%) COREP
4 2 (0.54%) FINREP
4 2 (0.54%) GRC
4 2 (0.54%) IFRS
4 2 (0.54%) PCI DSS
5 1 (0.27%) Actionable Recommendations
5 1 (0.27%) MiFID
5 1 (0.27%) Sarbanes-Oxley
5 1 (0.27%) SNOMED CT
System Software
1 4 (1.09%) ISA Server
2 3 (0.82%) Docker
2 3 (0.82%) HDFS
3 1 (0.27%) Active Directory
3 1 (0.27%) Apache Flume
Systems Management
1 11 (3.00%) Puppet
2 4 (1.09%) Kubernetes
2 4 (1.09%) Microsoft Intune
3 2 (0.54%) Core Impact
3 2 (0.54%) SCCM
3 2 (0.54%) Terraform
4 1 (0.27%) Ansible
4 1 (0.27%) Kibana
4 1 (0.27%) Kubeflow
4 1 (0.27%) Opscode Chef
Vendors
1 35 (9.54%) Microsoft
1 35 (9.54%) Oracle
2 27 (7.36%) Databricks
3 24 (6.54%) SAP
4 23 (6.27%) Salesforce.com
5 19 (5.18%) Informatica
6 18 (4.90%) BiZZdesign
7 15 (4.09%) MuleSoft
8 13 (3.54%) Adobe
9 12 (3.27%) Splunk
9 12 (3.27%) Zscaler
10 11 (3.00%) Google
11 5 (1.36%) Alteryx
11 5 (1.36%) ServiceNow
11 5 (1.36%) Talend
11 5 (1.36%) Workday
12 4 (1.09%) Cerner
13 3 (0.82%) GoldenSource
13 3 (0.82%) IBM
14 2 (0.54%) Netezza