The first table below looks at the demand for Reactive Extensions skills in IT jobs advertised for the City of 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 City of London region.

Location
3 months to
20 May 2013
Same period 2012 Same period 2011
Reactive Extensions (Rx)
Rank 304 317 306
Rank change year-on-year
+13 -11
Permanent jobs citing Reactive Extensions 13 6 16
As % of all permanent IT jobs located in the City of London 0.112% 0.046% 0.106%
As % of the Application Development category 0.292% 0.123% 0.289%
Number of salaries quoted 13 6 16
Average salary £97,500 £72,500 £73,750
Average salary % change year-on-year
+34.48% -1.69%
90% offered a salary of more than £56,000 £52,500 £63,750
10% offered a salary of more than £100,000 £77,500 £95,000
UK excluding London average salary £52,500 £42,500 -
% change year-on-year
+23.52% -
All Application Development
City of London
Permanent IT job ads with a match in the
Application Development category
4453 4892 5545
As % of all permanent IT jobs located in the City of London 38.28% 37.27% 36.76%
Number of salaries quoted 3921 4589 5106
Average salary £52,500 £50,000 £52,500
Average salary % change year-on-year
+5.00% -4.76%
90% offered a salary of more than £35,000 £35,000 £35,000
10% offered a salary of more than £72,500 £80,000 £75,000
UK excluding London average salary £37,500 £37,500 £35,000
% change year-on-year
- +7.14%
Reactive Extensions
London

Reactive Extensions
Jobs Demand Trend

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

City of 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 City of London region.

City of London Reactive Extensions Salary Trend

Reactive Extensions
Salary Histogram

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

City of London Reactive Extensions Salary Histogram

Reactive Extensions
Top 30 Related IT Skills

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

1 48 (100.00%) C#
2 39 (81.25%) WPF
3 25 (52.08%) .NET
4 23 (47.92%) Agile Software Development
5 21 (43.75%) Front Office
6 20 (41.67%) 29West
6 20 (41.67%) LINQ
6 20 (41.67%) Multithreading
7 18 (37.50%) Foreign Exchange (FX)
8 16 (33.33%) OO
9 15 (31.25%) Infragistics
9 15 (31.25%) Finance
9 15 (31.25%) Derivative
10 14 (29.17%) Banking
10 14 (29.17%) MVVM
11 11 (22.92%) Electronic Trading
11 11 (22.92%) .NET Framework
11 11 (22.92%) WinForms
12 10 (20.83%) Equity Derivative
12 10 (20.83%) TDD
12 10 (20.83%) Google
12 10 (20.83%) Microsoft
12 10 (20.83%) Protocol Buffers
13 9 (18.75%) WCF
13 9 (18.75%) SOA
13 9 (18.75%) C++
13 9 (18.75%) Java
13 9 (18.75%) SQL Server
14 8 (16.67%) Investment Banking
14 8 (16.67%) Analytics

Reactive Extensions
Top Related IT Skills by Category

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

Application Development
1 39 (81.25%) WPF
2 25 (52.08%) .NET
3 20 (41.67%) LINQ
4 11 (22.92%) WinForms
4 11 (22.92%) .NET Framework
5 10 (20.83%) Protocol Buffers
6 9 (18.75%) WCF
7 5 (10.42%) STL
7 5 (10.42%) Web Services
8 4 (8.333%) Silverlight
9 3 (6.250%) Boost C++ Libraries
9 3 (6.250%) MFC
10 1 (2.083%) Middleware
10 1 (2.083%) NHibernate
10 1 (2.083%) HTML5
10 1 (2.083%) ADO.NET Entity Framework
10 1 (2.083%) Managed Extensibility Framework
Application Platforms
1 5 (10.42%) MSMQ
2 4 (8.333%) Rendezvous
3 1 (2.083%) TIBCO EMS
Business Applications
1 1 (2.083%) RMDS
Communications & Networking
1 5 (10.42%) HTTP
Database & Business Intelligence
1 9 (18.75%) SQL Server
2 3 (6.250%) SQL Server 2005
2 3 (6.250%) SQL Server 2008
Development Applications
1 6 (12.50%) Expression Blend
2 5 (10.42%) Visual Studio
2 5 (10.42%) SpecFlow
3 1 (2.083%) ReSharper
3 1 (2.083%) TeamCity
3 1 (2.083%) Moq
3 1 (2.083%) CodeRush
General
1 21 (43.75%) Front Office
2 15 (31.25%) Finance
3 14 (29.17%) Banking
4 8 (16.67%) Investment Banking
5 6 (12.50%) Games
6 5 (10.42%) Telecoms
Job Titles
1 33 (68.75%) Developer
2 23 (47.92%) WPF Developer
3 21 (43.75%) C# Developer
4 6 (12.50%) Senior Developer
5 5 (10.42%) Senior C# Developer
5 5 (10.42%) C++ Developer
6 4 (8.333%) C# .NET Developer
6 4 (8.333%) Senior .NET Developer
6 4 (8.333%) Lead Developer
6 4 (8.333%) .NET Developer
6 4 (8.333%) Project Manager
6 4 (8.333%) Front Office Developer
7 1 (2.083%) Analyst
7 1 (2.083%) Developer Analyst
7 1 (2.083%) Agile C# Developer
Miscellaneous
1 18 (37.50%) Foreign Exchange (FX)
2 15 (31.25%) Derivative
3 10 (20.83%) Equity Derivative
4 7 (14.58%) Fixed Income
5 5 (10.42%) Client/Server
6 4 (8.333%) Visualisation
6 4 (8.333%) Hedge funds
7 3 (6.250%) Clustering
8 2 (4.167%) Equities
8 2 (4.167%) Mathematics
8 2 (4.167%) Computer Science
9 1 (2.083%) RIA
9 1 (2.083%) Credit Derivative
Processes & Methodologies
1 23 (47.92%) Agile Software Development
2 20 (41.67%) Multithreading
3 16 (33.33%) OO
4 14 (29.17%) MVVM
5 11 (22.92%) Electronic Trading
6 10 (20.83%) TDD
7 9 (18.75%) SOA
8 8 (16.67%) Analytics
9 6 (12.50%) Scrum
9 6 (12.50%) OOA/OOD
10 4 (8.333%) PRINCE2
10 4 (8.333%) Data Analysis
10 4 (8.333%) Project Management
10 4 (8.333%) Risk Management
10 4 (8.333%) User Stories
11 3 (6.250%) BDD
12 2 (4.167%) Integration Testing
13 1 (2.083%) Data Modelling
13 1 (2.083%) Memory Management
Programming Languages
1 48 (100.00%) C#
2 9 (18.75%) C++
2 9 (18.75%) Java
3 4 (8.333%) Python
4 1 (2.083%) XAML
4 1 (2.083%) F#
4 1 (2.083%) JavaScript
4 1 (2.083%) SQL
Qualifications
1 4 (8.333%) PRINCE2 Practitioner
2 2 (4.167%) Degree
Systems Management
1 1 (2.083%) MOM
Vendors
1 20 (41.67%) 29West
2 15 (31.25%) Infragistics
3 10 (20.83%) Google
3 10 (20.83%) Microsoft
4 5 (10.42%) TIBCO
4 5 (10.42%) Oracle
5 1 (2.083%) Reuters