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 May 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 May 2015
Same period 2014 Same period 2013
Reactive Extensions (Rx)
Rank 366 400 381
Rank change year-on-year
+34 -19
Contract jobs citing Reactive Extensions 24 3 7
As % of all contract IT jobs located in London 0.11% 0.013% 0.032%
As % of the Libraries, Frameworks & Software Standards category 0.35% 0.043% 0.11%
Number of daily rates quoted 21 2 7
Average daily rate
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£650 £600 £675
Average daily rate % change year-on-year
+8.33% -11.11%
UK excluding London average daily rate - - £350
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
6920 6988 6390
As % of all contract IT jobs located in London 30.60% 30.77% 29.51%
Number of daily rates quoted 4966 5120 4602
Average daily rate £425 £413 £400
Average daily rate % change year-on-year
+3.03% +3.12%
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £575 £550 £575
UK excluding London average daily rate £350 £350 £325
% change year-on-year
- +7.69%
Number of hourly rates quoted 44 17 91
Average hourly rate £22.18 £40.00 £41.50
Average hourly rate % change year-on-year
-44.55% -3.61%
90% offered a hourly rate of more than £16.43 £30.00 £19.00
10% offered a hourly rate of more than £52.17 £175.00 £54.00
UK excluding London average hourly rate £37.80 £35.00 £35.00
% change year-on-year
+8.00% -

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
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 May 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 +7 9 £575 -11.53%
Reactive Extensions
England

Reactive Extensions
Top 30 Related IT Skills in London

For the 6 months to 27 May 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 39 (97.50%) C#
2 34 (85.00%) WPF
3 28 (70.00%) .NET
4 27 (67.50%) MVVM
5 25 (62.50%) Front Office
6 22 (55.00%) Foreign Exchange (FX)
6 22 (55.00%) Agile Software Development
7 21 (52.50%) TDD
8 15 (37.50%) Banking
8 15 (37.50%) Multithreading
9 14 (35.00%) Finance
10 13 (32.50%) Microsoft
11 12 (30.00%) SQL
11 12 (30.00%) Scrum
11 12 (30.00%) Investment Banking
12 11 (27.50%) Electronic Trading
13 8 (20.00%) JavaScript
13 8 (20.00%) HTML
13 8 (20.00%) OO
13 8 (20.00%) Derivative
13 8 (20.00%) HTML5
13 8 (20.00%) Low Latency
14 7 (17.50%) Technical Analysis
14 7 (17.50%) Relational Database
14 7 (17.50%) SDLC
14 7 (17.50%) Continuous Improvement
14 7 (17.50%) Silverlight
14 7 (17.50%) Continuous Integration
14 7 (17.50%) MS Excel
14 7 (17.50%) Pair Programming

Reactive Extensions
Top Related IT Skills in London by Category

For the 6 months to 27 May 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 (7.50%) MTS
1 3 (7.50%) SharePoint
2 2 (5.00%) Node.js
3 1 (2.50%) Oracle Coherence
Applications
1 7 (17.50%) MS Excel
Business Applications
1 3 (7.50%) Dynamics CRM
2 1 (2.50%) Summit
2 1 (2.50%) RMDS
Communications & Networking
1 2 (5.00%) SMTP
Database & Business Intelligence
1 7 (17.50%) Relational Database
2 6 (15.00%) SQL Server
2 6 (15.00%) Data Mining
3 5 (12.50%) SQL Server Reporting Services
4 2 (5.00%) SQL Server Integration Services
Development Applications
1 7 (17.50%) NUnit
2 4 (10.00%) Git (software)
3 3 (7.50%) Team Foundation Server
3 3 (7.50%) Subversion
3 3 (7.50%) Jenkins
4 2 (5.00%) NSubstitute
4 2 (5.00%) SpecFlow
5 1 (2.50%) JIRA
5 1 (2.50%) FxCop
5 1 (2.50%) StyleCop
General
1 25 (62.50%) Front Office
2 15 (37.50%) Banking
3 14 (35.00%) Finance
4 12 (30.00%) Investment Banking
Job Titles
1 40 (100.00%) Developer
2 28 (70.00%) C# Developer
3 20 (50.00%) WPF Developer
4 16 (40.00%) Senior Developer
5 9 (22.50%) .NET Developer
5 9 (22.50%) Senior .NET Developer
6 8 (20.00%) Senior C# Developer
7 6 (15.00%) Front Office Developer
7 6 (15.00%) C# .NET Developer
7 6 (15.00%) Agile .NET Developer
7 6 (15.00%) Agile C# Developer
8 5 (12.50%) GUI Developer
9 4 (10.00%) Senior WPF Developer
10 3 (7.50%) Dynamics CRM Developer
10 3 (7.50%) CRM Developer
11 1 (2.50%) UI Developer
11 1 (2.50%) UI Programmer
11 1 (2.50%) Technical Leader
Libraries, Frameworks & Software Standards
1 34 (85.00%) WPF
2 28 (70.00%) .NET
3 8 (20.00%) HTML
3 8 (20.00%) HTML5
4 7 (17.50%) Silverlight
5 6 (15.00%) LINQ
5 6 (15.00%) .NET Framework
6 5 (12.50%) Managed Extensibility Framework
7 4 (10.00%) WCF
7 4 (10.00%) Web Services
7 4 (10.00%) XML
7 4 (10.00%) Rendezvous
8 3 (7.50%) SOAP
8 3 (7.50%) JSON
9 2 (5.00%) DCOM
9 2 (5.00%) CSS
9 2 (5.00%) ActiveX
9 2 (5.00%) Gherkin
9 2 (5.00%) AngularJS
10 1 (2.50%) Unity DI Container
Miscellaneous
1 22 (55.00%) Foreign Exchange (FX)
2 8 (20.00%) Derivative
3 7 (17.50%) Fixed Income
4 6 (15.00%) Credit Derivative
5 5 (12.50%) Mathematics
5 5 (12.50%) Physics
6 4 (10.00%) User Experience
7 2 (5.00%) CUDA
8 1 (2.50%) Enterprise Software
8 1 (2.50%) Inversion of Control
8 1 (2.50%) Interest Rate Derivative
8 1 (2.50%) Equity Derivative
8 1 (2.50%) Economics
8 1 (2.50%) Equities
Operating Systems
1 5 (12.50%) Windows
Processes & Methodologies
1 27 (67.50%) MVVM
2 22 (55.00%) Agile Software Development
3 21 (52.50%) TDD
4 15 (37.50%) Multithreading
5 12 (30.00%) Scrum
6 11 (27.50%) Electronic Trading
7 8 (20.00%) OO
7 8 (20.00%) Low Latency
8 7 (17.50%) Technical Analysis
8 7 (17.50%) SDLC
8 7 (17.50%) Continuous Improvement
8 7 (17.50%) Pair Programming
8 7 (17.50%) Software Engineering
8 7 (17.50%) Continuous Integration
9 6 (15.00%) Algorithmic Trading
9 6 (15.00%) OOD
10 5 (12.50%) FX Algorithmic Trading
11 4 (10.00%) Analytics
12 3 (7.50%) CRM
12 3 (7.50%) Data Modelling
Programming Languages
1 39 (97.50%) C#
2 12 (30.00%) SQL
3 8 (20.00%) JavaScript
4 7 (17.50%) XAML
5 3 (7.50%) Java
6 2 (5.00%) C++
6 2 (5.00%) VB6
6 2 (5.00%) F#
6 2 (5.00%) VB
6 2 (5.00%) VBA
7 1 (2.50%) VB.NET
Qualifications
1 3 (7.50%) Microsoft Certification
1 3 (7.50%) MCITP
1 3 (7.50%) Degree
System Software
1 2 (5.00%) Active Directory
Vendors
1 13 (32.50%) Microsoft
2 6 (15.00%) DevExpress
3 5 (12.50%) TIBCO
4 4 (10.00%) Bloomberg
4 4 (10.00%) Sybase
5 3 (7.50%) eSpeed
5 3 (7.50%) Tradeweb
6 1 (2.50%) ION Trading
6 1 (2.50%) Syncfusion
6 1 (2.50%) Oracle
6 1 (2.50%) Calypso