The following table provides summary statistics for contract job vacancies advertised in the City of London 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 23 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)
London / City of London
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 163 - -
Rank change year-on-year - 0  
Contract jobs citing WiX 3 0 0
As % of all contract IT jobs advertised in the City of London 0.091% - -
As % of the Development Applications category 0.45% - -
Number of daily rates quoted 1 0 0
Median daily rate £442 - -
UK excluding London median daily rate £315 £330 £400
% change year-on-year -4.54% -17.50%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
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 City of London with a requirement for development application skills.

Contract Development Application Skills
City of London
Contract job vacancies with a requirement for development application skills 671 595 713
As % of all contract IT job vacancies advertised in the City of London 20.33% 17.58% 12.27%
Number of daily rates quoted 507 495 580
Median daily rate £475 £450 £450
Median daily rate % change year-on-year +5.55% -  
90% offered a daily rate of more than £360 £338 £325
10% offered a daily rate of more than £583 £575 £600
UK excluding London median daily rate £413 £400 £363
% change year-on-year +3.12% +10.34%  
Number of hourly rates quoted 0 0 3
Median hourly rate - - £45.00
UK excluding London median hourly rate £42.50 £42.25 £37.00
% change year-on-year +0.59% +14.18%  

WiX
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London 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 City of London

WiX
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing WiX in the City of London.

Contractor daily rate trend for WiX in the City of London

For the 6 months to 23 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 City of London region with a requirement for WiX.

1 3 (100.00%) C#
1 3 (100.00%) .NET
2 2 (66.67%) ASP.NET Web API
2 2 (66.67%) ASP.NET
2 2 (66.67%) Windows
2 2 (66.67%) MSI
2 2 (66.67%) .NET Framework
2 2 (66.67%) JSON
3 1 (33.33%) Continuous Integration
3 1 (33.33%) VMware Infrastructure
3 1 (33.33%) Visual Studio Team System
3 1 (33.33%) PowerShell
3 1 (33.33%) Team Foundation Server
3 1 (33.33%) Microsoft Azure
3 1 (33.33%) PaaS
3 1 (33.33%) MSBuild
3 1 (33.33%) vCloud
3 1 (33.33%) IaaS
3 1 (33.33%) Microsoft
3 1 (33.33%) SQL Server
3 1 (33.33%) SQL
3 1 (33.33%) VMware
3 1 (33.33%) Agile Software Development
3 1 (33.33%) TDD

WiX
Co-occurring IT Skills in the City of 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:

Cloud Services
1 1 (33.33%) IaaS
1 1 (33.33%) Microsoft Azure
1 1 (33.33%) PaaS
Database & Business Intelligence
1 1 (33.33%) SQL Server
Development Applications
1 2 (66.67%) MSI
2 1 (33.33%) MSBuild
2 1 (33.33%) Team Foundation Server
2 1 (33.33%) Visual Studio Team System
Job Titles
1 3 (100.00%) Developer
2 1 (33.33%) Software Developer
Libraries, Frameworks & Software Standards
1 3 (100.00%) .NET
2 2 (66.67%) .NET Framework
2 2 (66.67%) ASP.NET
2 2 (66.67%) ASP.NET Web API
2 2 (66.67%) JSON
Operating Systems
1 2 (66.67%) Windows
Processes & Methodologies
1 1 (33.33%) Agile Software Development
1 1 (33.33%) Continuous Integration
1 1 (33.33%) TDD
Programming Languages
1 3 (100.00%) C#
2 1 (33.33%) PowerShell
2 1 (33.33%) SQL
System Software
1 1 (33.33%) vCloud
1 1 (33.33%) VMware Infrastructure
Vendors
1 1 (33.33%) Microsoft
1 1 (33.33%) VMware