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 23 March 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
Data Quality
South East / Middlesex
Rank 18 21 17
Rank change year-on-year +3 -4  
Contract jobs citing Data Quality 2 1 5
As % of all contract IT jobs advertised in Middlesex 1.53% 0.63% 3.16%
As % of the Quality Assurance & Compliance category 13.33% 6.67% 19.23%
Number of daily rates quoted 1 1 0
Median daily rate £288 £375 -
Median daily rate % change year-on-year -23.33% -  
UK excluding London median daily rate £423 £409 £400
% change year-on-year +3.36% +2.12%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £10.50 £15.00 £25.00
% change year-on-year -30.00% -40.00%  

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 15 15 26
As % of all contract IT job vacancies advertised in Middlesex 11.45% 9.43% 16.46%
Number of daily rates quoted 12 10 14
Median daily rate £450 £400 £450
Median daily rate % change year-on-year +12.50% -11.11%  
90% offered a daily rate of more than £297 £306 £311
10% offered a daily rate of more than £540 £525 £499
UK excluding London median daily rate £400 £400 £382
% change year-on-year - +4.64%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £19.45 £41.00 £26.00
% change year-on-year -52.56% +57.69%  

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 hourly rates quoted in IT contractor jobs citing Data Quality in Middlesex.

Contractor hourly rate trend for Data Quality in Middlesex

Data Quality
Top 30 Related IT Skills in Middlesex

For the 6 months to 23 March 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 (50.00%) Change Management
1 2 (50.00%) Microsoft
2 1 (25.00%) Oracle Database 10g
2 1 (25.00%) Active Directory
2 1 (25.00%) BusinessObjects
2 1 (25.00%) C#
2 1 (25.00%) JavaScript
2 1 (25.00%) PL/SQL
2 1 (25.00%) SQL
2 1 (25.00%) .NET
2 1 (25.00%) Oracle
2 1 (25.00%) SQL Server
2 1 (25.00%) Visual Studio
2 1 (25.00%) SAP
2 1 (25.00%) ASP.NET
2 1 (25.00%) CSS
2 1 (25.00%) Windows
2 1 (25.00%) Oracle Reports
2 1 (25.00%) MS Excel
2 1 (25.00%) CRM
2 1 (25.00%) Data Warehouse
2 1 (25.00%) MS Visio
2 1 (25.00%) ETL
2 1 (25.00%) Business Intelligence
2 1 (25.00%) MVC
2 1 (25.00%) Validation
2 1 (25.00%) Scrum
2 1 (25.00%) Clustering
2 1 (25.00%) TDD
2 1 (25.00%) Data Management

Data Quality
Top Related 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 (25.00%) MS Excel
1 1 (25.00%) MS PowerPoint
1 1 (25.00%) MS Visio
Database & Business Intelligence
1 1 (25.00%) BusinessObjects
1 1 (25.00%) BusinessObjects Business Intelligence
1 1 (25.00%) Data Warehouse
1 1 (25.00%) Enterprise Data Warehouse
1 1 (25.00%) Microsoft Analysis Services
1 1 (25.00%) Oracle Database
1 1 (25.00%) Oracle Database 10g
1 1 (25.00%) Oracle Database 11g
1 1 (25.00%) Oracle Reports
1 1 (25.00%) SAP Data Services
1 1 (25.00%) SQL Server
1 1 (25.00%) SQL Server 2012
1 1 (25.00%) SQL Server Analysis Services
1 1 (25.00%) SQL Server Integration Services
1 1 (25.00%) SQL Server Reporting Services
Development Applications
1 1 (25.00%) Git (software)
1 1 (25.00%) Team Foundation Server
1 1 (25.00%) Visual Studio
Job Titles
1 2 (50.00%) Analyst
2 1 (25.00%) .NET Developer
2 1 (25.00%) Data Analyst
2 1 (25.00%) Data Manager
2 1 (25.00%) Data Quality Analyst
2 1 (25.00%) Data Warehouse Manager
2 1 (25.00%) Database Developer
2 1 (25.00%) Developer
2 1 (25.00%) Master Data Analyst
2 1 (25.00%) Process Analyst
2 1 (25.00%) Quality Analyst
2 1 (25.00%) SQL Database Developer
2 1 (25.00%) SQL Developer
2 1 (25.00%) SQL Server Developer
2 1 (25.00%) SSAS Developer
2 1 (25.00%) SSIS Developer
2 1 (25.00%) SSRS Developer
Libraries, Frameworks & Software Standards
1 1 (25.00%) .NET
1 1 (25.00%) ASP.NET
1 1 (25.00%) ASP.NET MVC
1 1 (25.00%) CSS
1 1 (25.00%) REST
Miscellaneous
1 1 (25.00%) Clustering
1 1 (25.00%) Virtual Team
Operating Systems
1 1 (25.00%) Windows
Processes & Methodologies
1 2 (50.00%) Change Management
2 1 (25.00%) Analytics
2 1 (25.00%) Behavioural Analysis
2 1 (25.00%) Business Intelligence
2 1 (25.00%) Business Process Modelling
2 1 (25.00%) Continuous Improvement
2 1 (25.00%) CRM
2 1 (25.00%) Data Management
2 1 (25.00%) ETL
2 1 (25.00%) ETL Development
2 1 (25.00%) MVC
2 1 (25.00%) Order to Cash
2 1 (25.00%) Performance Optimisation
2 1 (25.00%) Process Improvement
2 1 (25.00%) Procure-to-Pay
2 1 (25.00%) Record to Report
2 1 (25.00%) Resource Allocation
2 1 (25.00%) Scrum
2 1 (25.00%) TDD
2 1 (25.00%) Validation
Programming Languages
1 1 (25.00%) C#
1 1 (25.00%) JavaScript
1 1 (25.00%) PL/SQL
1 1 (25.00%) SQL
System Software
1 1 (25.00%) Active Directory
Systems Management
1 1 (25.00%) Microsoft Clustering
Vendors
1 2 (50.00%) Microsoft
2 1 (25.00%) Oracle
2 1 (25.00%) SAP