The following table provides summary statistics for contract job vacancies advertised in the South East with a requirement for WiX skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited WiX over the 3 months to 25 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.

Windows Installer XML (WiX)
England / South East
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 237 273 260
Rank change year-on-year +36 -13  
Contract jobs citing WiX 1 4 10
As % of all contract IT jobs advertised in the South East 0.013% 0.045% 0.11%
As % of the Development Applications category 0.080% 0.31% 0.82%
Number of daily rates quoted 0 1 6
Median daily rate - £375 £400
Median daily rate % change year-on-year - -6.25%  
UK excluding London median daily rate £315 £330 £400
% change year-on-year -4.54% -17.50%  
Number of hourly rates quoted 0 0 1
Median hourly rate - - £45.00
UK excluding London median hourly rate - - £45.00

WiX is in the development application skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the South East with a requirement for development application skills.

Contract Development Application Skills
South East
Contract job vacancies with a requirement for development application skills 1249 1298 1225
As % of all contract IT job vacancies advertised in the South East 16.35% 14.73% 12.95%
Number of daily rates quoted 785 794 745
Median daily rate £425 £425 £375
Median daily rate % change year-on-year - +13.33%  
90% offered a daily rate of more than £325 £310 £275
10% offered a daily rate of more than £550 £525 £450
UK excluding London median daily rate £413 £400 £363
% change year-on-year +3.12% +10.34%  
Number of hourly rates quoted 41 40 25
Median hourly rate £45.00 £45.00 £37.50
Median hourly rate % change year-on-year - +20.00%  
90% offered a hourly rate of more than £40.00 £40.00 £13.50
10% offered a hourly rate of more than £55.00 £51.85 £45.00
UK excluding London median hourly rate £43.25 £42.00 £37.00
% change year-on-year +2.97% +13.51%  

WiX
Job Vacancy Trend in the South East

The job posting trend of jobs advertised in the South East citing WiX as a proportion of all contract or permanent IT jobs with a match in the Development Applications category.

Job vacancy trend for WiX in the South East

WiX
Contractor Daily Rate Trend in the South East

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing WiX in the South East.

Contractor daily rate trend for WiX in the South East

For the 6 months to 25 June 2017, IT contractor jobs citing WiX 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 South East region with a requirement for WiX.

1 3 (100.00%) C#
2 2 (66.67%) MSI
2 2 (66.67%) Agile Software Development
2 2 (66.67%) TDD
2 2 (66.67%) NUnit
2 2 (66.67%) Ajax
2 2 (66.67%) SQL Server Integration Services
2 2 (66.67%) .NET Framework
2 2 (66.67%) Selenium
2 2 (66.67%) WCF
2 2 (66.67%) Release Management
2 2 (66.67%) jQuery
2 2 (66.67%) Continuous Integration
2 2 (66.67%) JavaScript
2 2 (66.67%) SQL
2 2 (66.67%) T-SQL
2 2 (66.67%) VB
2 2 (66.67%) .NET
2 2 (66.67%) SQL Server
2 2 (66.67%) IIS
2 2 (66.67%) Visual Studio
2 2 (66.67%) ASP.NET
2 2 (66.67%) Web Services
2 2 (66.67%) XML
2 2 (66.67%) Windows
2 2 (66.67%) Kerberos
2 2 (66.67%) DNS
2 2 (66.67%) Microsoft
2 2 (66.67%) MVC
2 2 (66.67%) SQL Server Reporting Services

WiX
Co-occurring IT Skills in the South East 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 2 (66.67%) IIS
Applications
1 2 (66.67%) Spreadsheet
Communications & Networking
1 2 (66.67%) DNS
1 2 (66.67%) Kerberos
Database & Business Intelligence
1 2 (66.67%) SQL Server
1 2 (66.67%) SQL Server 2008
1 2 (66.67%) SQL Server 2012
1 2 (66.67%) SQL Server 2014
1 2 (66.67%) SQL Server 2016
1 2 (66.67%) SQL Server Integration Services
1 2 (66.67%) SQL Server Reporting Services
Development Applications
1 2 (66.67%) Balsamiq Mockups
1 2 (66.67%) Git (software)
1 2 (66.67%) Hudson
1 2 (66.67%) Jenkins
1 2 (66.67%) MSI
1 2 (66.67%) NUnit
1 2 (66.67%) Selenium
1 2 (66.67%) SpecFlow
1 2 (66.67%) Team Foundation Server
1 2 (66.67%) Visual Studio
2 1 (33.33%) Subversion
2 1 (33.33%) TeamCity
Job Titles
1 2 (66.67%) Developer
2 1 (33.33%) .NET Developer
2 1 (33.33%) Software Engineer
Libraries, Frameworks & Software Standards
1 2 (66.67%) .NET
1 2 (66.67%) .NET Framework
1 2 (66.67%) Ajax
1 2 (66.67%) AppFabric
1 2 (66.67%) ASP.NET
1 2 (66.67%) ASP.NET MVC 5
1 2 (66.67%) ASP.NET Web API
1 2 (66.67%) ASP.NET Web Forms
1 2 (66.67%) Breeze.js
1 2 (66.67%) Durandal
1 2 (66.67%) Entity Framework
1 2 (66.67%) Express
1 2 (66.67%) jQuery
1 2 (66.67%) Kendo UI
1 2 (66.67%) KnockoutJS
1 2 (66.67%) SignalR
1 2 (66.67%) Unity DI Container
1 2 (66.67%) WCF
1 2 (66.67%) Web Services
1 2 (66.67%) XML
Miscellaneous
1 1 (33.33%) Embedded Systems
Operating Systems
1 2 (66.67%) Windows
Processes & Methodologies
1 2 (66.67%) Agile Software Development
1 2 (66.67%) Change Data Capture
1 2 (66.67%) Continuous Integration
1 2 (66.67%) Full Text Search
1 2 (66.67%) Inversion of Control
1 2 (66.67%) MVC
1 2 (66.67%) OWASP
1 2 (66.67%) Release Management
1 2 (66.67%) TDD
2 1 (33.33%) Configuration Management
2 1 (33.33%) Software Engineering
Programming Languages
1 3 (100.00%) C#
2 2 (66.67%) JavaScript
2 2 (66.67%) SQL
2 2 (66.67%) T-SQL
2 2 (66.67%) TypeScript
2 2 (66.67%) VB
3 1 (33.33%) C++
Qualifications
1 1 (33.33%) SC Cleared
1 1 (33.33%) Security Cleared
Vendors
1 2 (66.67%) DevExpress
1 2 (66.67%) Microsoft