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 3 August 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
3 Aug 2015
Same period 2014 Same period 2013
Reactive Extensions (Rx)
Rank 399 387 404
Rank change year-on-year
-12 +17
Contract jobs citing Reactive Extensions 21 19 16
As % of all contract IT jobs located in London 0.090% 0.081% 0.066%
As % of the Libraries, Frameworks & Software Standards category 0.29% 0.26% 0.21%
Number of daily rates quoted 18 18 15
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£625 £600 £650
Average daily rate % change year-on-year
+4.16% -7.69%
90% offered a daily rate of more than £384 £550 £484
10% offered a daily rate of more than £675 £615 £730
UK excluding London average daily rate £399 £400 £313
% change year-on-year
-0.25% +28.00%
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
7310 7271 7733
As % of all contract IT jobs located in London 31.18% 30.92% 31.87%
Number of daily rates quoted 5312 5161 5545
Average daily rate £425 £420 £400
Average daily rate % change year-on-year
+1.19% +5.00%
90% offered a daily rate of more than £313 £300 £275
10% offered a daily rate of more than £600 £575 £575
UK excluding London average daily rate £350 £350 £325
% change year-on-year
- +7.69%
Number of hourly rates quoted 52 46 71
Average hourly rate £38.25 £45.00 £40.00
Average hourly rate % change year-on-year
-15.00% +12.50%
90% offered a hourly rate of more than £16.51 £17.50 £20.00
10% offered a hourly rate of more than £62.50 £53.00 £57.50
UK excluding London average hourly rate £39.55 £34.00 £35.00
% change year-on-year
+16.32% -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 3 August 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 3 August 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 -9 13 £625 +4.16%
Reactive Extensions
England

Reactive Extensions
Top 30 Related IT Skills in London

For the 6 months to 3 August 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 45 (95.74%) WPF
2 44 (93.62%) C#
3 35 (74.47%) MVVM
4 32 (68.09%) Front Office
5 31 (65.96%) .NET
6 30 (63.83%) Foreign Exchange (FX)
7 28 (59.57%) Agile Software Development
8 24 (51.06%) TDD
9 19 (40.43%) Multithreading
9 19 (40.43%) Banking
10 16 (34.04%) SQL
11 14 (29.79%) Investment Banking
11 14 (29.79%) Finance
12 12 (25.53%) Scrum
12 12 (25.53%) NUnit
13 11 (23.40%) Microsoft
13 11 (23.40%) SQL Server
13 11 (23.40%) Electronic Trading
14 10 (21.28%) Low Latency
14 10 (21.28%) Continuous Integration
14 10 (21.28%) Software Engineering
15 9 (19.15%) XAML
15 9 (19.15%) SDLC
16 8 (17.02%) JavaScript
16 8 (17.02%) HTML
16 8 (17.02%) OO
16 8 (17.02%) MS Excel
16 8 (17.02%) .NET Framework
16 8 (17.02%) Unit Testing
16 8 (17.02%) Relational Database

Reactive Extensions
Top Related IT Skills in London by Category

For the 6 months to 3 August 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 (6.38%) MTS
2 2 (4.26%) SharePoint
2 2 (4.26%) SharePoint 2013
3 1 (2.13%) Node.js
Applications
1 8 (17.02%) MS Excel
Business Applications
1 1 (2.13%) RMDS
Communications & Networking
1 1 (2.13%) SMTP
Database & Business Intelligence
1 11 (23.40%) SQL Server
2 8 (17.02%) Relational Database
3 6 (12.77%) Data Mining
4 3 (6.38%) Oracle Database
5 2 (4.26%) Oracle Database 10g
6 1 (2.13%) SQL Server Reporting Services
6 1 (2.13%) SQL Server Integration Services
6 1 (2.13%) Apache Cassandra
6 1 (2.13%) HBase
6 1 (2.13%) Big Data
6 1 (2.13%) RDBMS
Development Applications
1 12 (25.53%) NUnit
2 2 (4.26%) Git (software)
2 2 (4.26%) Rhino Mocks
2 2 (4.26%) Moq
2 2 (4.26%) MSBuild
2 2 (4.26%) SpecFlow
3 1 (2.13%) Jenkins
3 1 (2.13%) NSubstitute
3 1 (2.13%) Team Foundation Server
3 1 (2.13%) Subversion
3 1 (2.13%) Visual Studio
General
1 32 (68.09%) Front Office
2 19 (40.43%) Banking
3 14 (29.79%) Investment Banking
3 14 (29.79%) Finance
Job Titles
1 47 (100.00%) Developer
2 35 (74.47%) C# Developer
3 27 (57.45%) Senior Developer
4 24 (51.06%) WPF Developer
5 16 (34.04%) Senior C# Developer
6 11 (23.40%) Senior WPF Developer
7 9 (19.15%) Senior .NET Developer
7 9 (19.15%) GUI Developer
7 9 (19.15%) .NET Developer
8 7 (14.89%) C# .NET Developer
9 6 (12.77%) Agile .NET Developer
9 6 (12.77%) Agile C# Developer
10 5 (10.64%) Front Office Developer
11 1 (2.13%) Web Developer
Libraries, Frameworks & Software Standards
1 45 (95.74%) WPF
2 31 (65.96%) .NET
3 8 (17.02%) HTML
3 8 (17.02%) .NET Framework
3 8 (17.02%) HTML5
3 8 (17.02%) Managed Extensibility Framework
4 7 (14.89%) Silverlight
4 7 (14.89%) LINQ
5 6 (12.77%) Rendezvous
6 4 (8.51%) Unity DI Container
7 3 (6.38%) Task Parallel Library
7 3 (6.38%) AngularJS
7 3 (6.38%) JSON
7 3 (6.38%) SOAP
8 2 (4.26%) Web Services
8 2 (4.26%) WCF
8 2 (4.26%) CSS
8 2 (4.26%) Middleware
8 2 (4.26%) RESTful
9 1 (2.13%) ASP.NET MVC
Miscellaneous
1 30 (63.83%) Foreign Exchange (FX)
2 6 (12.77%) Fixed Income
2 6 (12.77%) Derivative
3 5 (10.64%) Mathematics
3 5 (10.64%) Physics
4 4 (8.51%) Credit Derivative
4 4 (8.51%) User Experience
5 3 (6.38%) Enterprise Software
6 2 (4.26%) Credit Risk
6 2 (4.26%) Visualisation
7 1 (2.13%) CUDA
7 1 (2.13%) Economics
7 1 (2.13%) Clustering
7 1 (2.13%) Interest Rate Derivative
Operating Systems
1 3 (6.38%) Windows
2 2 (4.26%) UNIX
3 1 (2.13%) Android
3 1 (2.13%) Apple iOS
Processes & Methodologies
1 35 (74.47%) MVVM
2 28 (59.57%) Agile Software Development
3 24 (51.06%) TDD
4 19 (40.43%) Multithreading
5 12 (25.53%) Scrum
6 11 (23.40%) Electronic Trading
7 10 (21.28%) Continuous Integration
7 10 (21.28%) Low Latency
7 10 (21.28%) Software Engineering
8 9 (19.15%) SDLC
9 8 (17.02%) Unit Testing
9 8 (17.02%) OO
10 7 (14.89%) Pair Programming
10 7 (14.89%) Continuous Improvement
10 7 (14.89%) Technical Analysis
11 6 (12.77%) Algorithmic Trading
12 5 (10.64%) OOD
12 5 (10.64%) FX Algorithmic Trading
13 3 (6.38%) Analytics
14 2 (4.26%) BDD
Programming Languages
1 44 (93.62%) C#
2 16 (34.04%) SQL
3 9 (19.15%) XAML
4 8 (17.02%) JavaScript
5 5 (10.64%) Java
6 2 (4.26%) T-SQL
7 1 (2.13%) VB
7 1 (2.13%) VBA
7 1 (2.13%) C++
7 1 (2.13%) VB6
7 1 (2.13%) F#
Quality Assurance & Compliance
1 2 (4.26%) QA
System Software
1 1 (2.13%) Active Directory
Systems Management
1 1 (2.13%) BladeLogic
Vendors
1 11 (23.40%) Microsoft
2 7 (14.89%) TIBCO
3 6 (12.77%) DevExpress
4 3 (6.38%) Oracle
4 3 (6.38%) Sybase
4 3 (6.38%) Bloomberg
4 3 (6.38%) eSpeed
4 3 (6.38%) Tradeweb
5 2 (4.26%) Typemock
6 1 (2.13%) Solace
6 1 (2.13%) Infragistics
6 1 (2.13%) ION Trading