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 27 March 2015 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
27 Mar 2015
Same period 2014 Same period 2013
Reactive Extensions (Rx)
Rank 378 396 371
Rank change year-on-year
+18 -25
Contract jobs citing Reactive Extensions 24 8 9
As % of all contract IT jobs located in London 0.11% 0.036% 0.044%
As % of the Libraries, Frameworks & Software Standards category 0.38% 0.12% 0.15%
Number of daily rates quoted 18 7 9
Average daily rate
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of your Daily Rate
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£575 £450 £600
Average daily rate % change year-on-year
+27.77% -25.00%
90% offered a daily rate of more than £559 £300 £580
10% offered a daily rate of more than £650 £655 £680
UK excluding London average daily rate £344 - £300
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
6364 6665 6048
As % of all contract IT jobs located in London 29.76% 29.75% 29.28%
Number of daily rates quoted 4598 4750 4433
Average daily rate £425 £400 £400
Average daily rate % change year-on-year
+6.25% -
90% offered a daily rate of more than £305 £293 £288
10% offered a daily rate of more than £563 £550 £575
UK excluding London average daily rate £350 £330 £325
% change year-on-year
+6.06% +1.53%
Number of hourly rates quoted 26 43 50
Average hourly rate £27.37 £35.00 £37.50
Average hourly rate % change year-on-year
-21.80% -6.66%
90% offered a hourly rate of more than £20.00 £29.40 £17.00
10% offered a hourly rate of more than £55.00 £45.00 £49.84
UK excluding London average hourly rate £36.00 £35.00 £35.00
% change year-on-year
+2.85% -

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 27 March 2015.

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 27 March 2015. 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 +20 6 £613 -20.96%
Reactive Extensions
England

Reactive Extensions
Top 30 Related IT Skills in London

For the 6 months to 27 March 2015, 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 (97.37%) C#
2 32 (84.21%) WPF
3 25 (65.79%) .NET
3 25 (65.79%) MVVM
4 22 (57.89%) Front Office
5 19 (50.00%) Agile Software Development
6 18 (47.37%) Foreign Exchange (FX)
7 15 (39.47%) TDD
8 14 (36.84%) Finance
9 13 (34.21%) Multithreading
10 12 (31.58%) HTML5
10 12 (31.58%) Microsoft
10 12 (31.58%) Banking
10 12 (31.58%) HTML
10 12 (31.58%) JavaScript
10 12 (31.58%) SQL
11 10 (26.32%) OO
11 10 (26.32%) Scrum
12 9 (23.68%) XAML
12 9 (23.68%) Investment Banking
13 8 (21.05%) Low Latency
13 8 (21.05%) MS Excel
14 7 (18.42%) Pair Programming
14 7 (18.42%) NUnit
14 7 (18.42%) Technical Analysis
14 7 (18.42%) Relational Database
14 7 (18.42%) User Experience
14 7 (18.42%) Continuous Improvement
14 7 (18.42%) Software Engineering
14 7 (18.42%) Silverlight

Reactive Extensions
Top Related IT Skills in London by Category

For the 6 months to 27 March 2015, 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 3 (7.89%) SharePoint
2 2 (5.26%) Node.js
3 1 (2.63%) MTS
3 1 (2.63%) Oracle Coherence
Applications
1 8 (21.05%) MS Excel
Business Applications
1 3 (7.89%) Dynamics CRM
2 1 (2.63%) Summit
Communications & Networking
1 2 (5.26%) SMTP
Database & Business Intelligence
1 7 (18.42%) Relational Database
2 6 (15.79%) Data Mining
3 5 (13.16%) SQL Server Reporting Services
4 3 (7.89%) SQL Server
5 2 (5.26%) SQL Server Integration Services
Development Applications
1 7 (18.42%) NUnit
2 4 (10.53%) Subversion
2 4 (10.53%) Git (software)
3 3 (7.89%) Team Foundation Server
3 3 (7.89%) Jenkins
4 2 (5.26%) NSubstitute
4 2 (5.26%) SpecFlow
5 1 (2.63%) Visual Studio
5 1 (2.63%) FxCop
5 1 (2.63%) StyleCop
5 1 (2.63%) JIRA
5 1 (2.63%) ReSharper
5 1 (2.63%) TeamCity
General
1 22 (57.89%) Front Office
2 14 (36.84%) Finance
3 12 (31.58%) Banking
4 9 (23.68%) Investment Banking
Job Titles
1 38 (100.00%) Developer
2 26 (68.42%) C# Developer
3 18 (47.37%) WPF Developer
4 14 (36.84%) Senior Developer
5 8 (21.05%) .NET Developer
5 8 (21.05%) Senior C# Developer
5 8 (21.05%) Senior .NET Developer
6 6 (15.79%) C# .NET Developer
6 6 (15.79%) Agile .NET Developer
6 6 (15.79%) Agile C# Developer
7 5 (13.16%) GUI Developer
7 5 (13.16%) UI Developer
8 4 (10.53%) UI Programmer
9 3 (7.89%) Senior WPF Developer
9 3 (7.89%) Dynamics CRM Developer
9 3 (7.89%) CRM Developer
10 2 (5.26%) Front Office Developer
11 1 (2.63%) Technical Leader
Libraries, Frameworks & Software Standards
1 32 (84.21%) WPF
2 25 (65.79%) .NET
3 12 (31.58%) HTML
3 12 (31.58%) HTML5
4 7 (18.42%) Silverlight
4 7 (18.42%) WCF
5 6 (15.79%) AngularJS
5 6 (15.79%) LINQ
6 5 (13.16%) .NET Framework
7 4 (10.53%) Web Services
7 4 (10.53%) XML
7 4 (10.53%) Managed Extensibility Framework
8 3 (7.89%) Task Parallel Library
8 3 (7.89%) SOAP
8 3 (7.89%) JSON
9 2 (5.26%) DCOM
9 2 (5.26%) CSS
9 2 (5.26%) ActiveX
9 2 (5.26%) Gherkin
10 1 (2.63%) Unity DI Container
Miscellaneous
1 18 (47.37%) Foreign Exchange (FX)
2 7 (18.42%) User Experience
3 6 (15.79%) Mathematics
4 5 (13.16%) Physics
4 5 (13.16%) Fixed Income
4 5 (13.16%) Derivative
5 3 (7.89%) Credit Derivative
6 2 (5.26%) CUDA
6 2 (5.26%) Data Structures
6 2 (5.26%) Algorithms
7 1 (2.63%) Client/Server
7 1 (2.63%) Mobile App
7 1 (2.63%) Analytical Skills
7 1 (2.63%) Computer Science
7 1 (2.63%) Inversion of Control
7 1 (2.63%) Economics
7 1 (2.63%) Equity Derivative
7 1 (2.63%) Equities
7 1 (2.63%) Management Information System
Operating Systems
1 5 (13.16%) Windows
Processes & Methodologies
1 25 (65.79%) MVVM
2 19 (50.00%) Agile Software Development
3 15 (39.47%) TDD
4 13 (34.21%) Multithreading
5 10 (26.32%) Scrum
5 10 (26.32%) OO
6 8 (21.05%) Low Latency
7 7 (18.42%) Technical Analysis
7 7 (18.42%) Continuous Improvement
7 7 (18.42%) Pair Programming
7 7 (18.42%) Continuous Integration
7 7 (18.42%) Software Engineering
8 6 (15.79%) Algorithmic Trading
8 6 (15.79%) Electronic Trading
9 4 (10.53%) OOD
10 3 (7.89%) CRM
10 3 (7.89%) Data Modelling
10 3 (7.89%) Workflow
11 2 (5.26%) Analytics
12 1 (2.63%) BDD
Programming Languages
1 37 (97.37%) C#
2 12 (31.58%) JavaScript
2 12 (31.58%) SQL
3 9 (23.68%) XAML
4 2 (5.26%) VB6
4 2 (5.26%) F#
4 2 (5.26%) VB
4 2 (5.26%) C++
4 2 (5.26%) Java
4 2 (5.26%) VBA
5 1 (2.63%) Python
5 1 (2.63%) VB.NET
Qualifications
1 4 (10.53%) Degree
2 3 (7.89%) Microsoft Certification
2 3 (7.89%) MCITP
3 1 (2.63%) PhD
System Software
1 2 (5.26%) Active Directory
Vendors
1 12 (31.58%) Microsoft
2 4 (10.53%) DevExpress
3 3 (7.89%) Sybase
4 2 (5.26%) Bloomberg
5 1 (2.63%) eSpeed
5 1 (2.63%) Syncfusion
5 1 (2.63%) Tradeweb
5 1 (2.63%) Oracle
5 1 (2.63%) Calypso
5 1 (2.63%) TIBCO