The table below looks at the statistics for Reactive Extensions skills in IT contracts advertised for the 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 1 October 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
1 Oct 2014
Same period 2013 Same period 2012
Reactive Extensions (Rx)
Rank 389 415 405
Rank change year-on-year
+26 -10
Contract jobs citing Reactive Extensions 25 8 16
As % of all contract IT jobs located in London 0.10% 0.032% 0.062%
As % of the Libraries, Frameworks & Software Standards category 0.34% 0.10% 0.21%
Number of daily rates quoted 20 8 14
Average daily rate
Keep up to 90%
of your Daily Rate
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£638 £638 £546
Average daily rate % change year-on-year
- +16.70%
90% offered a daily rate of more than £525 £585 £373
10% offered a daily rate of more than £700 £688 £615
UK excluding London average daily rate £420 £320 -
% change year-on-year
+31.25% -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
Reactive Extensions
England

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 London region.

Libraries, Frameworks & Software Standards Category
London
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
7328 7866 7680
As % of all contract IT jobs located in London 30.24% 31.19% 29.94%
Number of daily rates quoted 5321 5726 5406
Average daily rate £425 £405 £400
Average daily rate % change year-on-year
+4.93% +1.25%
90% offered a daily rate of more than £300 £285 £275
10% offered a daily rate of more than £575 £575 £575
UK excluding London average daily rate £350 £325 £325
% change year-on-year
+7.69% -
Number of hourly rates quoted 40 44 69
Average hourly rate £40.00 £40.00 £35.00
Average hourly rate % change year-on-year
- +14.28%
90% offered a hourly rate of more than £15.00 £25.00 £13.03
10% offered a hourly rate of more than £137.50 £75.00 £45.00
UK excluding London average hourly rate £35.00 £35.00 £32.50
% change year-on-year
- +7.69%

Reactive Extensions
Jobs Demand Trend in London

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

Reactive Extensions Jobs Demand Trend in London

Reactive Extensions
Daily Rate Trend in London

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

Reactive Extensions Daily Rate Trend in London

Reactive Extensions
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Reactive Extensions across the London region over the 3 months to 1 October 2014.

Reactive Extensions Daily Rate Histogram in London

Reactive Extensions
Contract Job Locations in London

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing Reactive Extensions within the London region over the 3 months to 1 October 2014. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +39 15 £638 +2.00% 3
Reactive Extensions
England

Reactive Extensions
Top 30 Related IT Skills in London

For the 6 months to 1 October 2014, IT contractor jobs across the 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 37 (94.87%) WPF
2 36 (92.31%) C#
3 26 (66.67%) .NET
4 23 (58.97%) Multithreading
5 21 (53.85%) MVVM
6 19 (48.72%) Agile Software Development
7 18 (46.15%) TDD
8 16 (41.03%) Banking
9 13 (33.33%) Investment Banking
9 13 (33.33%) Front Office
10 12 (30.77%) Web Services
10 12 (30.77%) Finance
11 11 (28.21%) HTML
11 11 (28.21%) Task Parallel Library
12 10 (25.64%) Analytical Skills
12 10 (25.64%) Scrum
12 10 (25.64%) OOD
12 10 (25.64%) Foreign Exchange (FX)
13 9 (23.08%) OO
13 9 (23.08%) .NET Framework
13 9 (23.08%) Algorithms
14 7 (17.95%) Fixed Income
14 7 (17.95%) JavaScript
14 7 (17.95%) Degree
14 7 (17.95%) Computer Science
14 7 (17.95%) Data Structures
14 7 (17.95%) BDD
15 6 (15.38%) Esper
15 6 (15.38%) NEsper
15 6 (15.38%) Managed Extensibility Framework

Reactive Extensions
Top Related IT Skills in London by Category

For the 6 months to 1 October 2014, IT contractor jobs across the 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 6 (15.38%) Apache
Applications
1 3 (7.69%) MS Excel
Business Applications
1 1 (2.56%) Dynamics CRM
Database & Business Intelligence
1 4 (10.26%) SQL Server
2 1 (2.56%) SQL Server Reporting Services
2 1 (2.56%) Big Data
Development Applications
1 2 (5.13%) Jenkins
1 2 (5.13%) StyleCop
1 2 (5.13%) Git (software)
1 2 (5.13%) JIRA
1 2 (5.13%) Subversion
General
1 16 (41.03%) Banking
2 13 (33.33%) Investment Banking
2 13 (33.33%) Front Office
3 12 (30.77%) Finance
4 1 (2.56%) Advertising
Job Titles
1 38 (97.44%) Developer
2 26 (66.67%) C# Developer
3 25 (64.10%) WPF Developer
4 8 (20.51%) Senior Developer
5 7 (17.95%) Senior WPF Developer
6 6 (15.38%) UI Developer
7 3 (7.69%) Front Office Developer
7 3 (7.69%) GUI Developer
7 3 (7.69%) UI Programmer
8 2 (5.13%) Agile C# Developer
9 1 (2.56%) Software Developer
9 1 (2.56%) .NET Developer
9 1 (2.56%) Senior C# Developer
9 1 (2.56%) Microsoft Developer
9 1 (2.56%) Dynamics CRM Developer
9 1 (2.56%) C# .NET Developer
9 1 (2.56%) CRM Developer
Libraries, Frameworks & Software Standards
1 37 (94.87%) WPF
2 26 (66.67%) .NET
3 12 (30.77%) Web Services
4 11 (28.21%) HTML
4 11 (28.21%) Task Parallel Library
5 9 (23.08%) .NET Framework
6 6 (15.38%) Esper
6 6 (15.38%) NEsper
6 6 (15.38%) Managed Extensibility Framework
6 6 (15.38%) JMS
7 5 (12.82%) WCF
7 5 (12.82%) HTML5
7 5 (12.82%) AngularJS
8 4 (10.26%) LINQ
9 3 (7.69%) XML
10 2 (5.13%) Unity DI Container
10 2 (5.13%) PLINQ
10 2 (5.13%) RESTful
10 2 (5.13%) JSON
10 2 (5.13%) Rendezvous
Miscellaneous
1 10 (25.64%) Analytical Skills
1 10 (25.64%) Foreign Exchange (FX)
2 9 (23.08%) Algorithms
3 7 (17.95%) Fixed Income
3 7 (17.95%) Computer Science
3 7 (17.95%) Data Structures
4 5 (12.82%) User Experience
5 4 (10.26%) Mathematics
6 3 (7.69%) Client/Server
6 3 (7.69%) Physics
6 3 (7.69%) Mobile App
7 2 (5.13%) Enterprise Software
7 2 (5.13%) Inversion of Control
8 1 (2.56%) Equities
8 1 (2.56%) Credit Derivative
8 1 (2.56%) Derivative
Operating Systems
1 1 (2.56%) Windows
Processes & Methodologies
1 23 (58.97%) Multithreading
2 21 (53.85%) MVVM
3 19 (48.72%) Agile Software Development
4 18 (46.15%) TDD
5 10 (25.64%) Scrum
5 10 (25.64%) OOD
6 9 (23.08%) OO
7 7 (17.95%) BDD
8 6 (15.38%) Software Architecture
8 6 (15.38%) Unit Testing
8 6 (15.38%) Electronic Trading
8 6 (15.38%) OOP
9 5 (12.82%) Continuous Improvement
9 5 (12.82%) Low Latency
10 3 (7.69%) Algorithmic Trading
10 3 (7.69%) Dependency Injection
11 2 (5.13%) SOA
12 1 (2.56%) Workflow
12 1 (2.56%) CRM
12 1 (2.56%) E-Commerce
Programming Languages
1 36 (92.31%) C#
2 7 (17.95%) JavaScript
3 6 (15.38%) XAML
4 5 (12.82%) Java
Qualifications
1 7 (17.95%) Degree
Vendors
1 6 (15.38%) Microsoft
2 2 (5.13%) DevExpress
2 2 (5.13%) Syncfusion
2 2 (5.13%) TIBCO
3 1 (2.56%) Sybase
3 1 (2.56%) Oracle
London
McGregor Boyall
Rate: £500 - £625 per day
Posted: 12 hours ago
City of London
Huxley Associates
Rate: £600 - £650 per day
Posted: 9 days ago
City of London
iKonnect
Rate: £550 - £650 per day
Posted: 12 days ago