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 15 September 2014 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
15 Sep 2014
Same period 2013 Same period 2012
Reactive Extensions (Rx)
Rank 401 412 405
Rank change year-on-year
+11 -7
Contract jobs citing Reactive Extensions 21 14 13
As % of all contract IT jobs located in London 0.086% 0.056% 0.049%
As % of the Libraries, Frameworks & Software Standards category 0.28% 0.18% 0.17%
Number of daily rates quoted 17 13 12
Average daily rate
Keep up to 90%
of your Daily Rate
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£600 £625 £543
Average daily rate % change year-on-year
-4.00% +15.20%
90% offered a daily rate of more than £540 £484 £371
10% offered a daily rate of more than £685 £650 £606
UK excluding London average daily rate £400 £320 -
% change year-on-year
+25.00% -
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
7442 7899 7853
As % of all contract IT jobs located in London 30.40% 31.42% 29.64%
Number of daily rates quoted 5306 5709 5525
Average daily rate £413 £403 £400
Average daily rate % change year-on-year
+2.48% +0.62%
90% offered a daily rate of more than £300 £288 £275
10% offered a daily rate of more than £575 £575 £558
UK excluding London average daily rate £350 £325 £325
% change year-on-year
+7.69% -
Number of hourly rates quoted 45 51 69
Average hourly rate £40.00 £37.50 £36.75
Average hourly rate % change year-on-year
+6.66% +2.04%
90% offered a hourly rate of more than £15.00 £25.00 £13.32
10% offered a hourly rate of more than £137.50 £59.87 £42.50
UK excluding London average hourly rate £34.00 £35.00 £32.50
% change year-on-year
-2.85% +7.69%

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 15 September 2014.

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 15 September 2014. 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 +31 11 £625 -3.84% 2
Reactive Extensions
England

Reactive Extensions
Top 30 Related IT Skills in London

For the 6 months to 15 September 2014, 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 28 (93.33%) C#
1 28 (93.33%) WPF
2 20 (66.67%) Multithreading
3 19 (63.33%) .NET
4 16 (53.33%) Agile Software Development
5 15 (50.00%) MVVM
6 14 (46.67%) TDD
7 10 (33.33%) Banking
7 10 (33.33%) Scrum
7 10 (33.33%) Web Services
7 10 (33.33%) Task Parallel Library
8 9 (30.00%) Analytical Skills
8 9 (30.00%) HTML
8 9 (30.00%) OOD
8 9 (30.00%) Front Office
8 9 (30.00%) Foreign Exchange (FX)
8 9 (30.00%) Investment Banking
8 9 (30.00%) .NET Framework
9 8 (26.67%) OO
10 7 (23.33%) Fixed Income
10 7 (23.33%) Finance
11 6 (20.00%) Electronic Trading
11 6 (20.00%) Degree
11 6 (20.00%) Computer Science
11 6 (20.00%) Apache
11 6 (20.00%) Esper
11 6 (20.00%) NEsper
11 6 (20.00%) BDD
12 5 (16.67%) Software Architecture
12 5 (16.67%) Continuous Improvement

Reactive Extensions
Top Related IT Skills in London by Category

For the 6 months to 15 September 2014, 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 6 (20.00%) Apache
Applications
1 3 (10.00%) MS Excel
Business Applications
1 1 (3.33%) Dynamics CRM
Database & Business Intelligence
1 3 (10.00%) SQL Server
2 1 (3.33%) SQL Server Reporting Services
2 1 (3.33%) Big Data
Development Applications
1 2 (6.67%) Subversion
1 2 (6.67%) JIRA
1 2 (6.67%) Git (software)
1 2 (6.67%) StyleCop
1 2 (6.67%) Jenkins
General
1 10 (33.33%) Banking
2 9 (30.00%) Investment Banking
2 9 (30.00%) Front Office
3 7 (23.33%) Finance
4 1 (3.33%) Advertising
Job Titles
1 30 (100.00%) Developer
2 19 (63.33%) C# Developer
3 18 (60.00%) WPF Developer
4 7 (23.33%) Senior Developer
5 6 (20.00%) Senior WPF Developer
6 5 (16.67%) UI Developer
7 2 (6.67%) Agile C# Developer
7 2 (6.67%) UI Programmer
7 2 (6.67%) GUI Developer
8 1 (3.33%) Dynamics CRM Developer
8 1 (3.33%) Senior C# Developer
8 1 (3.33%) Microsoft Developer
8 1 (3.33%) .NET Developer
8 1 (3.33%) Front Office Developer
8 1 (3.33%) Software Developer
8 1 (3.33%) CRM Developer
8 1 (3.33%) C# .NET Developer
Libraries, Frameworks & Software Standards
1 28 (93.33%) WPF
2 19 (63.33%) .NET
3 10 (33.33%) Web Services
3 10 (33.33%) Task Parallel Library
4 9 (30.00%) HTML
4 9 (30.00%) .NET Framework
5 6 (20.00%) Esper
5 6 (20.00%) NEsper
6 5 (16.67%) JMS
7 4 (13.33%) WCF
7 4 (13.33%) LINQ
7 4 (13.33%) AngularJS
7 4 (13.33%) HTML5
8 3 (10.00%) XML
8 3 (10.00%) Managed Extensibility Framework
9 2 (6.67%) Unity DI Container
9 2 (6.67%) JSON
9 2 (6.67%) PLINQ
9 2 (6.67%) RESTful
10 1 (3.33%) WinForms
Miscellaneous
1 9 (30.00%) Foreign Exchange (FX)
1 9 (30.00%) Analytical Skills
2 7 (23.33%) Fixed Income
3 6 (20.00%) Computer Science
4 4 (13.33%) Mathematics
4 4 (13.33%) User Experience
5 3 (10.00%) Client/Server
5 3 (10.00%) Mobile App
5 3 (10.00%) Physics
6 2 (6.67%) Inversion of Control
7 1 (3.33%) Equities
7 1 (3.33%) Credit Derivative
7 1 (3.33%) Derivative
Operating Systems
1 1 (3.33%) Windows
Processes & Methodologies
1 20 (66.67%) Multithreading
2 16 (53.33%) Agile Software Development
3 15 (50.00%) MVVM
4 14 (46.67%) TDD
5 10 (33.33%) Scrum
6 9 (30.00%) OOD
7 8 (26.67%) OO
8 6 (20.00%) BDD
8 6 (20.00%) Electronic Trading
9 5 (16.67%) Unit Testing
9 5 (16.67%) Software Architecture
9 5 (16.67%) Continuous Improvement
9 5 (16.67%) OOP
10 3 (10.00%) Algorithmic Trading
10 3 (10.00%) Low Latency
11 2 (6.67%) Dependency Injection
11 2 (6.67%) SOA
12 1 (3.33%) Workflow
12 1 (3.33%) CRM
12 1 (3.33%) E-Commerce
Programming Languages
1 28 (93.33%) C#
2 5 (16.67%) Java
2 5 (16.67%) JavaScript
3 4 (13.33%) XAML
Qualifications
1 6 (20.00%) Degree
Vendors
1 5 (16.67%) Microsoft
2 2 (6.67%) Syncfusion
2 2 (6.67%) DevExpress
London
McGregor Boyall
Rate: £500 - £550 per day
Posted: 2 days ago
City, London
Harvey Nash plc
Rate: £650 - £750 per day
Posted: 2 days ago