The median contractor rate for a GUI Developer was £550 per day in advertised job vacancies in the City of London during the 3 months to 25 June 2017.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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.

GUI Developer
London / City of London
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 160 165 197
Rank change year-on-year +5 +32  
Contract jobs requiring a GUI Developer 3 1 5
As % of all contract IT jobs advertised in the City of London 0.092% 0.030% 0.086%
As % of the Job Titles category 0.096% 0.031% 0.091%
Number of daily rates quoted 3 1 4
Median daily rate £550 £625 £488
Median daily rate % change year-on-year -12.00% +28.20%  
UK excluding London median daily rate £363 - £325
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £45.00 - £39.00

The next table is for comparison with the above and includes summary statistics for all job roles in contract job vacancies advertised in the City of London. Most job vacancies include a discernible job title. As such, the figures in the first row provide an indication of the number of contract jobs in our overall sample.

Contract IT Job Roles
City of London
Contract job vacancies with a job title containing a recognized job role 3125 3181 5524
As % of all contract IT job vacancies advertised in the City of London 95.42% 95.73% 94.90%
Number of daily rates quoted 2394 2584 4248
Median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.55%  
90% offered a daily rate of more than £325 £313 £275
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £400 £400 £370
% change year-on-year - +8.10%  
Number of hourly rates quoted 37 37 100
Median hourly rate £18.70 £19.00 £19.00
Median hourly rate % change year-on-year -1.60% -  
90% offered a hourly rate of more than £12.54 £12.50 £10.70
10% offered a hourly rate of more than £30.00 £31.50 £37.03
UK excluding London median hourly rate £17.50 £17.45 £16.00
% change year-on-year +0.28% +9.06%  

GUI Developer
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London that featured GUI Developer in the job title.

Job vacancy trend for GUI Developer in the City of London

GUI Developer
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 GUI Developer in the City of London.

Contractor daily rate trend for GUI Developer in the City of London

GUI Developer
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing GUI Developer in the City of London.

Contractor hourly rate trend for GUI Developer in the City of London

GUI Developer Skill Set
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 25 June 2017, GUI Developer contract jobs required the following IT 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 featuring GUI Developer in the job title.

1 4 (100.00%) C#
2 3 (75.00%) Finance
2 3 (75.00%) .NET
3 2 (50.00%) SQL Server
3 2 (50.00%) Java
3 2 (50.00%) TDD
3 2 (50.00%) Banking
3 2 (50.00%) MVC
3 2 (50.00%) DevOps
4 1 (25.00%) Agile Software Development
4 1 (25.00%) Maven
4 1 (25.00%) .NET Framework
4 1 (25.00%) FIX Protocol
4 1 (25.00%) WPF
4 1 (25.00%) Release Management
4 1 (25.00%) Continuous Integration
4 1 (25.00%) Multithreading
4 1 (25.00%) EasyMock
4 1 (25.00%) Test Automation
4 1 (25.00%) MVVM
4 1 (25.00%) Hedge funds
4 1 (25.00%) Entity Framework
4 1 (25.00%) Data Transformation
4 1 (25.00%) T-SQL
4 1 (25.00%) VBA
4 1 (25.00%) Sybase
4 1 (25.00%) JUnit
4 1 (25.00%) XSLT
4 1 (25.00%) Microsoft Excel
4 1 (25.00%) Middleware

GUI Developer Skill Set
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:

Applications
1 1 (25.00%) Microsoft Excel
Database & Business Intelligence
1 2 (50.00%) SQL Server
Development Applications
1 1 (25.00%) EasyMock
1 1 (25.00%) JUnit
1 1 (25.00%) Maven
General
1 3 (75.00%) Finance
2 2 (50.00%) Banking
3 1 (25.00%) Back Office
3 1 (25.00%) Front Office
Libraries, Frameworks & Software Standards
1 3 (75.00%) .NET
2 1 (25.00%) .NET Framework
2 1 (25.00%) Entity Framework
2 1 (25.00%) FIX Protocol
2 1 (25.00%) Middleware
2 1 (25.00%) WinForms
2 1 (25.00%) WPF
2 1 (25.00%) XSLT
Miscellaneous
1 1 (25.00%) Hedge funds
Processes & Methodologies
1 2 (50.00%) DevOps
1 2 (50.00%) MVC
1 2 (50.00%) TDD
2 1 (25.00%) Agile Software Development
2 1 (25.00%) Continuous Integration
2 1 (25.00%) Data Transformation
2 1 (25.00%) Multithreading
2 1 (25.00%) MVVM
2 1 (25.00%) Release Management
2 1 (25.00%) Scrum
2 1 (25.00%) Test Automation
Programming Languages
1 4 (100.00%) C#
2 2 (50.00%) Java
3 1 (25.00%) T-SQL
3 1 (25.00%) VBA
Vendors
1 1 (25.00%) Sybase