The table below looks at the statistics for Reactive Extensions skills in IT contracts advertised for the City of London region. Included is a guide to the average contractor rates offered in IT contracts that have cited Reactive Extensions over the 3 months to 22 August 2014 with a comparison to the same period in the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

Location
3 months to
22 Aug 2014
Same period 2013 Same period 2012
Reactive Extensions (Rx)
Rank 191 223 221
Rank change year-on-year
+32 -2
Contract jobs citing Reactive Extensions 9 8 6
As % of all contract IT jobs located in the City of London 0.15% 0.11% 0.077%
As % of the Libraries, Frameworks & Software Standards category 0.52% 0.36% 0.27%
Number of daily rates quoted 9 7 5
Average daily rate
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£600 £650 £575
Average daily rate % change year-on-year
-7.69% +13.04%
UK excluding London average daily rate £400 £313 -
% change year-on-year
+28.00% -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
Reactive Extensions
London

The following table is for comparison with the above and provides statistics for the entire Libraries, Frameworks & Software Standards category in contract jobs advertised in the City of London region.

Libraries, Frameworks & Software Standards Category
City of London
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
1731 2205 2196
As % of all contract IT jobs located in the City of London 29.38% 29.96% 28.09%
Number of daily rates quoted 1277 1688 1708
Average daily rate £425 £425 £425
90% offered a daily rate of more than £308 £288 £300
10% offered a daily rate of more than £600 £600 £575
UK excluding London average daily rate £350 £325 £325
% change year-on-year
+7.69% -
Number of hourly rates quoted 13 14 12
Average hourly rate £45.00 £35.00 £33.50
Average hourly rate % change year-on-year
+28.57% +4.47%
UK excluding London average hourly rate £35.00 £35.00 £32.50
% change year-on-year
- +7.69%

Reactive Extensions
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of IT contractor jobs citing Reactive Extensions across the City of London region as a proportion of the total demand within the Libraries, Frameworks & Software Standards category.

Reactive Extensions Jobs Demand Trend in the City of London

Reactive Extensions
Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Reactive Extensions across the City of London region.

Reactive Extensions Daily Rate Trend in the City of London

Reactive Extensions
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Reactive Extensions across the City of London region over the 3 months to 22 August 2014.

Reactive Extensions Daily Rate Histogram in the City of London

Reactive Extensions
Top 30 Related IT Skills in the City of London

For the 6 months to 22 August 2014, IT contractor jobs across the City of London region citing Reactive Extensions also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Reactive Extensions.

1 10 (90.91%) WPF
2 9 (81.82%) Multithreading
2 9 (81.82%) C#
3 4 (36.36%) LINQ
3 4 (36.36%) Fixed Income
3 4 (36.36%) .NET
3 4 (36.36%) Web Services
4 3 (27.27%) Foreign Exchange (FX)
4 3 (27.27%) TDD
4 3 (27.27%) Front Office
4 3 (27.27%) Mathematics
4 3 (27.27%) Physics
4 3 (27.27%) Algorithmic Trading
4 3 (27.27%) MVVM
4 3 (27.27%) WCF
4 3 (27.27%) Low Latency
5 2 (18.18%) BDD
5 2 (18.18%) Dependency Injection
5 2 (18.18%) Computer Science
5 2 (18.18%) Electronic Trading
5 2 (18.18%) Finance
5 2 (18.18%) Banking
5 2 (18.18%) Degree
5 2 (18.18%) Agile Software Development
6 1 (9.09%) SQL Server Reporting Services
6 1 (9.09%) Investment Banking
6 1 (9.09%) Dynamics CRM
6 1 (9.09%) .NET Framework
6 1 (9.09%) Advertising
6 1 (9.09%) Scrum

Reactive Extensions
Top Related IT Skills in the City of London by Category

For the 6 months to 22 August 2014, IT contractor jobs across the City of London region citing Reactive Extensions also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Reactive Extensions. Up to 20 skills are shown per category.

Application Platforms
1 1 (9.09%) Apache
Business Applications
1 1 (9.09%) Dynamics CRM
Database & Business Intelligence
1 1 (9.09%) SQL Server Reporting Services
1 1 (9.09%) SQL Server
General
1 3 (27.27%) Front Office
2 2 (18.18%) Finance
2 2 (18.18%) Banking
3 1 (9.09%) Investment Banking
3 1 (9.09%) Advertising
Job Titles
1 11 (100.00%) Developer
2 6 (54.55%) Senior Developer
2 6 (54.55%) WPF Developer
2 6 (54.55%) Senior WPF Developer
3 4 (36.36%) C# Developer
4 1 (9.09%) Microsoft Developer
4 1 (9.09%) Front Office Developer
4 1 (9.09%) Dynamics CRM Developer
4 1 (9.09%) UI Developer
4 1 (9.09%) Agile C# Developer
4 1 (9.09%) GUI Developer
4 1 (9.09%) CRM Developer
4 1 (9.09%) UI Programmer
Libraries, Frameworks & Software Standards
1 10 (90.91%) WPF
2 4 (36.36%) LINQ
2 4 (36.36%) .NET
2 4 (36.36%) Web Services
3 3 (27.27%) WCF
4 1 (9.09%) .NET Framework
4 1 (9.09%) WinForms
4 1 (9.09%) XML
4 1 (9.09%) JMS
4 1 (9.09%) SOAP
4 1 (9.09%) HTML
4 1 (9.09%) Managed Extensibility Framework
4 1 (9.09%) Task Parallel Library
4 1 (9.09%) Esper
4 1 (9.09%) NEsper
Miscellaneous
1 4 (36.36%) Fixed Income
2 3 (27.27%) Foreign Exchange (FX)
2 3 (27.27%) Mathematics
2 3 (27.27%) Physics
3 2 (18.18%) Computer Science
Operating Systems
1 1 (9.09%) Windows
Processes & Methodologies
1 9 (81.82%) Multithreading
2 3 (27.27%) TDD
2 3 (27.27%) Algorithmic Trading
2 3 (27.27%) MVVM
2 3 (27.27%) Low Latency
3 2 (18.18%) BDD
3 2 (18.18%) Dependency Injection
3 2 (18.18%) Electronic Trading
3 2 (18.18%) Agile Software Development
4 1 (9.09%) Scrum
4 1 (9.09%) Workflow
4 1 (9.09%) OOP
4 1 (9.09%) CRM
4 1 (9.09%) OOD
4 1 (9.09%) Software Architecture
4 1 (9.09%) Unit Testing
4 1 (9.09%) Continuous Improvement
Programming Languages
1 9 (81.82%) C#
2 1 (9.09%) XAML
2 1 (9.09%) Java
2 1 (9.09%) JavaScript
Qualifications
1 2 (18.18%) Degree
Vendors
1 1 (9.09%) Microsoft