The first table below looks at the demand for Reactive Extensions skills in IT jobs advertised for the London region. Included is a guide to the average salaries offered in IT jobs that have cited Reactive Extensions over the 3 months to 20 May 2013 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all of the Application Development category for the London region.

Location
3 months to
20 May 2013
Same period 2012 Same period 2011
Reactive Extensions (Rx)
Rank 581 625 549
Rank change year-on-year
+44 -76
Permanent jobs citing Reactive Extensions 16 16 69
As % of all permanent IT jobs located in London 0.037% 0.030% 0.122%
As % of the Application Development category 0.091% 0.073% 0.307%
Number of salaries quoted 16 16 55
Average salary £97,500 £62,500 £75,000
Average salary % change year-on-year
+56.00% -16.66%
90% offered a salary of more than £65,000 £61,250 £70,000
10% offered a salary of more than £100,000 £75,000 £95,000
UK excluding London average salary £52,500 £42,500 -
% change year-on-year
+23.52% -
All Application Development
London
Permanent IT job ads with a match in the
Application Development category
17529 21916 22453
As % of all permanent IT jobs located in London 40.30% 40.72% 39.62%
Number of salaries quoted 15201 19543 19650
Average salary £50,000 £47,500 £50,000
Average salary % change year-on-year
+5.26% -5.00%
90% offered a salary of more than £35,000 £32,500 £33,500
10% offered a salary of more than £70,000 £75,000 £70,000
UK excluding London average salary £37,500 £37,500 £35,000
% change year-on-year
- +7.14%
Reactive Extensions
England

Reactive Extensions
Jobs Demand Trend

This chart provides a 3-month moving total of permanent IT jobs citing Reactive Extensions across the London region as a proportion of the total demand within the Application Development category.

London Reactive Extensions Jobs Demand Trend

Reactive Extensions
Salary Trend

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

London Reactive Extensions Salary Trend

Reactive Extensions
Salary Histogram

This chart provides a salary histogram for IT jobs citing Reactive Extensions across the London region over the 3 months to 20 May 2013.

London Reactive Extensions Salary Histogram

Reactive Extensions
Job Locations

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing Reactive Extensions within the London region over the 3 months to 20 May 2013. 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
(Click each for more statistics)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
City of London +13 13 £97,500 +34.48%
Reactive Extensions
England

Reactive Extensions
Top 30 Related IT Skills

For the 6 months to 20 May 2013, IT 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 IT job ads sampled that cited Reactive Extensions.

1 60 (96.77%) C#
2 52 (83.87%) WPF
3 34 (54.84%) .NET
4 30 (48.39%) Front Office
5 29 (46.77%) Agile Software Development
6 27 (43.55%) LINQ
7 23 (37.10%) Finance
8 21 (33.87%) Foreign Exchange (FX)
8 21 (33.87%) Multithreading
8 21 (33.87%) 29West
9 19 (30.65%) MVVM
10 18 (29.03%) WCF
11 17 (27.42%) OO
11 17 (27.42%) Infragistics
11 17 (27.42%) Derivative
12 16 (25.81%) Banking
13 14 (22.58%) WinForms
13 14 (22.58%) Java
14 13 (20.97%) TDD
15 12 (19.35%) Electronic Trading
16 11 (17.74%) .NET Framework
16 11 (17.74%) Microsoft
17 10 (16.13%) C++
17 10 (16.13%) SQL Server
17 10 (16.13%) Equity Derivative
17 10 (16.13%) Investment Banking
17 10 (16.13%) Google
17 10 (16.13%) Protocol Buffers
18 9 (14.52%) Expression Blend
18 9 (14.52%) SOA

Reactive Extensions
Top Related IT Skills by Category

For the 6 months to 20 May 2013, IT 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 IT job ads sampled that cited Reactive Extensions. Up to 20 skills are shown per category.

Application Development
1 52 (83.87%) WPF
2 34 (54.84%) .NET
3 27 (43.55%) LINQ
4 18 (29.03%) WCF
5 14 (22.58%) WinForms
6 11 (17.74%) .NET Framework
7 10 (16.13%) Protocol Buffers
8 6 (9.677%) STL
8 6 (9.677%) Web Services
8 6 (9.677%) Silverlight
9 4 (6.452%) Task Parallel Library
9 4 (6.452%) Boost C++ Libraries
9 4 (6.452%) MFC
10 2 (3.226%) CSS
10 2 (3.226%) HTML
11 1 (1.613%) NHibernate
11 1 (1.613%) Middleware
11 1 (1.613%) HTML5
11 1 (1.613%) ADO.NET Entity Framework
11 1 (1.613%) Managed Extensibility Framework
Application Platforms
1 6 (9.677%) MSMQ
2 4 (6.452%) Rendezvous
3 1 (1.613%) TIBCO EMS
Applications
1 1 (1.613%) MS Excel
Business Applications
1 1 (1.613%) RMDS
Communications & Networking
1 5 (8.065%) HTTP
Database & Business Intelligence
1 10 (16.13%) SQL Server
2 4 (6.452%) SQL Server 2005
2 4 (6.452%) SQL Server 2008
Development Applications
1 9 (14.52%) Expression Blend
2 6 (9.677%) Visual Studio
2 6 (9.677%) SpecFlow
3 1 (1.613%) NUnit
3 1 (1.613%) ReSharper
3 1 (1.613%) TeamCity
3 1 (1.613%) Moq
3 1 (1.613%) CodeRush
General
1 30 (48.39%) Front Office
2 23 (37.10%) Finance
3 16 (25.81%) Banking
4 10 (16.13%) Investment Banking
5 6 (9.677%) Games
6 5 (8.065%) Telecoms
Job Titles
1 47 (75.81%) Developer
2 30 (48.39%) C# Developer
2 30 (48.39%) WPF Developer
3 10 (16.13%) C# .NET Developer
4 6 (9.677%) C++ Developer
4 6 (9.677%) Senior Developer
5 5 (8.065%) .NET Developer
5 5 (8.065%) Senior C# Developer
6 4 (6.452%) Senior .NET Developer
6 4 (6.452%) C# Software Developer
6 4 (6.452%) Front Office Developer
6 4 (6.452%) Lead Developer
6 4 (6.452%) Software Developer
6 4 (6.452%) Project Manager
7 2 (3.226%) GUI Developer
8 1 (1.613%) Developer Analyst
8 1 (1.613%) Agile C# Developer
8 1 (1.613%) Analyst
Miscellaneous
1 21 (33.87%) Foreign Exchange (FX)
2 17 (27.42%) Derivative
3 10 (16.13%) Equity Derivative
4 8 (12.90%) Fixed Income
5 7 (11.29%) Client/Server
6 4 (6.452%) Visualisation
6 4 (6.452%) Hedge funds
6 4 (6.452%) Clustering
7 2 (3.226%) Equities
7 2 (3.226%) Mathematics
7 2 (3.226%) Computer Science
7 2 (3.226%) Market Risk
8 1 (1.613%) RIA
8 1 (1.613%) Credit Derivative
Processes & Methodologies
1 29 (46.77%) Agile Software Development
2 21 (33.87%) Multithreading
3 19 (30.65%) MVVM
4 17 (27.42%) OO
5 13 (20.97%) TDD
6 12 (19.35%) Electronic Trading
7 9 (14.52%) SOA
8 8 (12.90%) Analytics
9 7 (11.29%) Scrum
9 7 (11.29%) OOA/OOD
10 6 (9.677%) Risk Management
11 4 (6.452%) Project Management
11 4 (6.452%) PRINCE2
11 4 (6.452%) Data Analysis
11 4 (6.452%) User Stories
11 4 (6.452%) BDD
12 2 (3.226%) Integration Testing
13 1 (1.613%) Memory Management
13 1 (1.613%) E-Commerce
13 1 (1.613%) Data Modelling
Programming Languages
1 60 (96.77%) C#
2 14 (22.58%) Java
3 10 (16.13%) C++
4 5 (8.065%) SQL
5 4 (6.452%) Python
6 3 (4.839%) JavaScript
7 1 (1.613%) XAML
7 1 (1.613%) F#
Qualifications
1 6 (9.677%) Degree
2 4 (6.452%) PRINCE2 Practitioner
Systems Management
1 1 (1.613%) MOM
Vendors
1 21 (33.87%) 29West
2 17 (27.42%) Infragistics
3 11 (17.74%) Microsoft
4 10 (16.13%) Google
5 5 (8.065%) TIBCO
5 5 (8.065%) Oracle
6 1 (1.613%) Reuters