The following table provides summary statistics for contract job vacancies advertised in Middlesex 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 3 months to 22 June 2017 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
South East / Middlesex
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 16 25 18
Rank change year-on-year +9 -7  
Contract jobs citing Data Quality 1 2 7
As % of all contract IT jobs advertised in Middlesex 1.11% 1.16% 3.80%
As % of the Quality Assurance & Compliance category 9.09% 18.18% 26.92%
Number of daily rates quoted 0 0 3
Median daily rate - - £395
UK excluding London median daily rate £448 £425 £400
% change year-on-year +5.29% +6.25%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £17.75 £16.09 £23.75
% change year-on-year +10.31% -32.25%  

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

Contract Quality Assurance & Compliance Skills
Middlesex
Contract job vacancies with a requirement for quality assurance and compliance skills 11 11 26
As % of all contract IT job vacancies advertised in Middlesex 12.22% 6.36% 14.13%
Number of daily rates quoted 5 6 11
Median daily rate £396 £360 £387
Median daily rate % change year-on-year +10.00% -6.97%  
90% offered a daily rate of more than £385 £300 £375
10% offered a daily rate of more than £619 £449 £528
UK excluding London median daily rate £400 £380 £375
% change year-on-year +5.26% +1.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £25.00 £28.50 £25.00
% change year-on-year -12.28% +14.00%  

Data Quality
Job Vacancy Trend in Middlesex

The job posting trend of jobs advertised in Middlesex citing Data Quality as a proportion of all contract or permanent IT jobs with a match in the Quality Assurance & Compliance category.

Job vacancy trend for Data Quality in Middlesex

Data Quality
Contractor Daily Rate Trend in Middlesex

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Data Quality in Middlesex.

Contractor daily rate trend for Data Quality in Middlesex

Data Quality
Contractor Hourly Rate Trend in Middlesex

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Data Quality in Middlesex.

Contractor hourly rate trend for Data Quality in Middlesex

For the 6 months to 22 June 2017, IT contractor jobs citing Data Quality also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Middlesex region with a requirement for Data Quality.

1 2 (66.67%) C#
1 2 (66.67%) JavaScript
1 2 (66.67%) .NET
1 2 (66.67%) SQL Server
1 2 (66.67%) Visual Studio
1 2 (66.67%) ASP.NET
1 2 (66.67%) CSS
1 2 (66.67%) Windows
1 2 (66.67%) MVC
1 2 (66.67%) Scrum
1 2 (66.67%) Clustering
1 2 (66.67%) TDD
1 2 (66.67%) Active Directory
1 2 (66.67%) Microsoft Analysis Services
1 2 (66.67%) SQL Server Reporting Services
1 2 (66.67%) SQL Server Integration Services
1 2 (66.67%) Unit Testing
1 2 (66.67%) SQL Server Analysis Services
1 2 (66.67%) Git (software)
1 2 (66.67%) Team Foundation Server
1 2 (66.67%) ASP.NET MVC
1 2 (66.67%) REST
1 2 (66.67%) SQL Server 2012
1 2 (66.67%) Analytics
1 2 (66.67%) CRM
1 2 (66.67%) Microsoft Clustering
2 1 (33.33%) Business Process Modelling
2 1 (33.33%) MS Visio
2 1 (33.33%) Microsoft
2 1 (33.33%) Order to Cash

Data Quality
Co-occurring IT Skills in Middlesex 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:

Applications
1 1 (33.33%) Microsoft Excel
1 1 (33.33%) Microsoft PowerPoint
1 1 (33.33%) MS Visio
Database & Business Intelligence
1 2 (66.67%) Microsoft Analysis Services
1 2 (66.67%) SQL Server
1 2 (66.67%) SQL Server 2012
1 2 (66.67%) SQL Server Analysis Services
1 2 (66.67%) SQL Server Integration Services
1 2 (66.67%) SQL Server Reporting Services
Development Applications
1 2 (66.67%) Git (software)
1 2 (66.67%) Team Foundation Server
1 2 (66.67%) Visual Studio
Job Titles
1 2 (66.67%) .NET Developer
1 2 (66.67%) Database Developer
1 2 (66.67%) Developer
1 2 (66.67%) SQL Database Developer
1 2 (66.67%) SQL Developer
1 2 (66.67%) SQL Server Developer
1 2 (66.67%) SSAS Developer
1 2 (66.67%) SSIS Developer
1 2 (66.67%) SSRS Developer
2 1 (33.33%) Analyst
2 1 (33.33%) Master Data Analyst
2 1 (33.33%) Process Analyst
Libraries, Frameworks & Software Standards
1 2 (66.67%) .NET
1 2 (66.67%) ASP.NET
1 2 (66.67%) ASP.NET MVC
1 2 (66.67%) CSS
1 2 (66.67%) REST
Miscellaneous
1 2 (66.67%) Clustering
Operating Systems
1 2 (66.67%) Windows
Processes & Methodologies
1 2 (66.67%) Analytics
1 2 (66.67%) CRM
1 2 (66.67%) MVC
1 2 (66.67%) Scrum
1 2 (66.67%) TDD
1 2 (66.67%) Unit Testing
2 1 (33.33%) Business Process Modelling
2 1 (33.33%) Change Control
2 1 (33.33%) Change Management
2 1 (33.33%) Continuous Improvement
2 1 (33.33%) Data Management
2 1 (33.33%) Order to Cash
2 1 (33.33%) Process Improvement
2 1 (33.33%) Procure-to-Pay
2 1 (33.33%) Record to Report
Programming Languages
1 2 (66.67%) C#
1 2 (66.67%) JavaScript
System Software
1 2 (66.67%) Active Directory
Systems Management
1 2 (66.67%) Microsoft Clustering
Vendors
1 1 (33.33%) Microsoft