The table below looks at the statistics for Reactive Extensions skills in IT contracts advertised for the City of 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 19 December 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
19 Dec 2014
Same period 2013 Same period 2012
Reactive Extensions (Rx)
Rank 191 205 198
Rank change year-on-year
+14 -7
Contract jobs citing Reactive Extensions 9 3 2
As % of all contract IT jobs located in the City of London 0.16% 0.044% 0.033%
As % of the Libraries, Frameworks & Software Standards category 0.54% 0.15% 0.11%
Number of daily rates quoted 8 3 2
Average daily rate
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£638 £600 £650
Average daily rate % change year-on-year
+6.25% -7.69%
90% offered a daily rate of more than £618 £550 £590
10% offered a daily rate of more than £658 £720 £710
UK excluding London average daily rate £375 £400 -
% change year-on-year
-6.25% -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
Reactive Extensions
London

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 City of London region.

Libraries, Frameworks & Software Standards Category
City of London
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
1678 2023 1853
As % of all contract IT jobs located in the City of London 29.74% 29.76% 30.23%
Number of daily rates quoted 1348 1533 1445
Average daily rate £425 £425 £420
Average daily rate % change year-on-year
- +1.19%
90% offered a daily rate of more than £303 £300 £285
10% offered a daily rate of more than £600 £600 £575
UK excluding London average daily rate £350 £325 £325
% change year-on-year
+7.69% -
Number of hourly rates quoted 5 13 24
Average hourly rate £30.00 £27.50 £22.50
Average hourly rate % change year-on-year
+9.09% +22.22%
90% offered a hourly rate of more than £19.50 £16.60 £14.15
10% offered a hourly rate of more than £50.00 £77.50 £49.02
UK excluding London average hourly rate £35.00 £33.00 £34.00
% change year-on-year
+6.06% -2.94%

Reactive Extensions
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of IT contractor jobs citing Reactive Extensions across the City of London region as a proportion of the total demand within the Libraries, Frameworks & Software Standards category.

Reactive Extensions Jobs Demand Trend in the City of London

Reactive Extensions
Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Reactive Extensions across the City of London region.

Reactive Extensions Daily Rate Trend in the City of London

Reactive Extensions
Top 30 Related IT Skills in the City of London

For the 6 months to 19 December 2014, IT contractor 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 contract IT job ads sampled that cited Reactive Extensions.

1 21 (95.45%) WPF
2 19 (86.36%) C#
3 12 (54.55%) .NET
3 12 (54.55%) MVVM
4 11 (50.00%) Multithreading
5 10 (45.45%) Banking
6 9 (40.91%) Investment Banking
6 9 (40.91%) Agile Software Development
7 8 (36.36%) Task Parallel Library
8 7 (31.82%) Front Office
8 7 (31.82%) Web Services
9 6 (27.27%) Microsoft
9 6 (27.27%) TDD
10 5 (22.73%) User Experience
10 5 (22.73%) Degree
10 5 (22.73%) Computer Science
10 5 (22.73%) Foreign Exchange (FX)
10 5 (22.73%) OO
10 5 (22.73%) HTML
10 5 (22.73%) JavaScript
11 4 (18.18%) MS Excel
11 4 (18.18%) Client/Server
11 4 (18.18%) Finance
11 4 (18.18%) LINQ
11 4 (18.18%) Mathematics
11 4 (18.18%) .NET Framework
11 4 (18.18%) Analytical Skills
11 4 (18.18%) HTML5
11 4 (18.18%) Low Latency
11 4 (18.18%) AngularJS

Reactive Extensions
Top Related IT Skills in the City of London by Category

For the 6 months to 19 December 2014, IT contractor 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 contract IT job ads sampled that cited Reactive Extensions. Up to 20 skills are shown per category.

Applications
1 4 (18.18%) MS Excel
Business Applications
1 1 (4.55%) Dynamics CRM
Database & Business Intelligence
1 1 (4.55%) SQL Server
1 1 (4.55%) SQL Server Reporting Services
Development Applications
1 1 (4.55%) Visual Studio
1 1 (4.55%) TeamCity
1 1 (4.55%) ReSharper
1 1 (4.55%) Subversion
General
1 10 (45.45%) Banking
2 9 (40.91%) Investment Banking
3 7 (31.82%) Front Office
4 4 (18.18%) Finance
5 1 (4.55%) Advertising
Job Titles
1 22 (100.00%) Developer
2 11 (50.00%) WPF Developer
3 10 (45.45%) C# Developer
4 8 (36.36%) Senior Developer
5 6 (27.27%) Senior WPF Developer
6 5 (22.73%) UI Developer
7 4 (18.18%) GUI Developer
8 2 (9.09%) Senior C# Developer
8 2 (9.09%) Front Office Developer
9 1 (4.55%) UI Programmer
9 1 (4.55%) CRM Developer
9 1 (4.55%) Dynamics CRM Developer
9 1 (4.55%) Microsoft Developer
Libraries, Frameworks & Software Standards
1 21 (95.45%) WPF
2 12 (54.55%) .NET
3 8 (36.36%) Task Parallel Library
4 7 (31.82%) Web Services
5 5 (22.73%) HTML
6 4 (18.18%) LINQ
6 4 (18.18%) .NET Framework
6 4 (18.18%) HTML5
6 4 (18.18%) AngularJS
7 3 (13.64%) WCF
7 3 (13.64%) Managed Extensibility Framework
7 3 (13.64%) JMS
8 2 (9.09%) Rendezvous
9 1 (4.55%) WinForms
9 1 (4.55%) SOAP
9 1 (4.55%) XML
Miscellaneous
1 5 (22.73%) User Experience
1 5 (22.73%) Computer Science
1 5 (22.73%) Foreign Exchange (FX)
2 4 (18.18%) Client/Server
2 4 (18.18%) Mathematics
2 4 (18.18%) Analytical Skills
2 4 (18.18%) Mobile App
3 3 (13.64%) Data Structures
3 3 (13.64%) Algorithms
3 3 (13.64%) Physics
4 2 (9.09%) Fixed Income
5 1 (4.55%) Management Information System
5 1 (4.55%) Derivative
5 1 (4.55%) Enterprise Software
Operating Systems
1 1 (4.55%) Windows
Processes & Methodologies
1 12 (54.55%) MVVM
2 11 (50.00%) Multithreading
3 9 (40.91%) Agile Software Development
4 6 (27.27%) TDD
5 5 (22.73%) OO
6 4 (18.18%) Low Latency
7 3 (13.64%) OOP
7 3 (13.64%) Algorithmic Trading
7 3 (13.64%) Unit Testing
7 3 (13.64%) Dependency Injection
7 3 (13.64%) Software Architecture
7 3 (13.64%) BDD
7 3 (13.64%) OOD
8 1 (4.55%) Workflow
8 1 (4.55%) CRM
8 1 (4.55%) Data Management
8 1 (4.55%) Mentoring
Programming Languages
1 19 (86.36%) C#
2 5 (22.73%) JavaScript
3 3 (13.64%) XAML
4 1 (4.55%) SQL
4 1 (4.55%) Java
4 1 (4.55%) Python
Qualifications
1 5 (22.73%) Degree
2 1 (4.55%) PhD
Vendors
1 6 (27.27%) Microsoft
2 2 (9.09%) Sybase
2 2 (9.09%) TIBCO
3 1 (4.55%) Oracle
City, London
TEKsystems
Rate: £650 per day
Posted: 15 hours ago