The table below looks at the statistics for Reactive Extensions skills in IT contracts advertised across the UK. Included is a guide to the average contractor rates offered in IT contracts that have cited Reactive Extensions over the 3 months to 4 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
4 May 2015
Same period 2014 Same period 2013
Reactive Extensions (Rx)
Rank 577 585 529
Rank change year-on-year
+8 -56
Contract jobs citing Reactive Extensions 32 3 18
As % of all contract IT jobs located in the UK 0.057% 0.006% 0.038%
As % of the Libraries, Frameworks & Software Standards category 0.21% 0.020% 0.14%
Number of daily rates quoted 23 3 16
Average daily rate
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of your Daily Rate
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£625 £300 £550
Average daily rate % change year-on-year
+108.33% -45.45%
90% offered a daily rate of more than £575 £300 £300
10% offered a daily rate of more than £650 £500 £675
UK excluding London average daily rate £350 - £300
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -

The following table is for comparison with the above and provides statistics for the entire Libraries, Frameworks & Software Standards category in contract jobs advertised across the UK.

Libraries, Frameworks & Software Standards Category
UK
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
15009 15003 12938
As % of all contract IT jobs located in the UK 26.92% 27.57% 27.17%
Number of daily rates quoted 9738 9817 8086
Average daily rate £388 £375 £375
Average daily rate % change year-on-year
+3.33% -
90% offered a daily rate of more than £275 £265 £250
10% offered a daily rate of more than £550 £525 £550
UK excluding London average daily rate £350 £335 £325
% change year-on-year
+4.47% +3.07%
Number of hourly rates quoted 188 213 366
Average hourly rate £35.00 £35.00 £35.00
90% offered a hourly rate of more than £17.54 £18.50 £17.00
10% offered a hourly rate of more than £47.00 £55.00 £44.50
UK excluding London average hourly rate £37.00 £35.00 £35.00
% change year-on-year
+5.71% -

Reactive Extensions
Jobs Demand Trend

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

Reactive Extensions Jobs Demand Trend in the UK

Reactive Extensions
Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Reactive Extensions within the UK.

Reactive Extensions Daily Rate Trend in the UK

Reactive Extensions
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing Reactive Extensions within the UK over the 3 months to 4 May 2015.

Reactive Extensions Daily Rate Histogram in the UK

Reactive Extensions
Top 6 Contract Locations

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 UK over the 3 months to 4 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
England +16 32 £625 +108.33% 2
London +29 26 £625 +108.33%
City of London - 8 £588 -
South East - 6 £350 -
Surrey - 6 £350 -
Guildford - 1 £350 -

Reactive Extensions
Top 30 Related IT Skills

For the 6 months to 4 May 2015, IT contractor jobs within the UK 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 44 (95.65%) C#
2 33 (71.74%) .NET
2 33 (71.74%) WPF
3 27 (58.70%) Agile Software Development
4 26 (56.52%) MVVM
5 25 (54.35%) Front Office
6 24 (52.17%) TDD
7 20 (43.48%) Foreign Exchange (FX)
8 19 (41.30%) SQL
9 18 (39.13%) Scrum
10 15 (32.61%) Multithreading
11 14 (30.43%) Finance
12 13 (28.26%) Microsoft
13 12 (26.09%) Banking
14 11 (23.91%) Electronic Trading
15 10 (21.74%) Investment Banking
16 9 (19.57%) Derivative
16 9 (19.57%) OO
17 8 (17.39%) HTML
17 8 (17.39%) JavaScript
17 8 (17.39%) Fixed Income
17 8 (17.39%) Silverlight
17 8 (17.39%) Task Parallel Library
17 8 (17.39%) HTML5
17 8 (17.39%) Low Latency
18 7 (15.22%) Technical Analysis
18 7 (15.22%) Relational Database
18 7 (15.22%) Continuous Improvement
18 7 (15.22%) Continuous Integration
18 7 (15.22%) Software Engineering

Reactive Extensions
Top Related IT Skills by Category

For the 6 months to 4 May 2015, IT contractor jobs within the UK 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 (6.52%) MTS
1 3 (6.52%) SharePoint
2 2 (4.35%) Node.js
3 1 (2.17%) Oracle Coherence
Applications
1 7 (15.22%) MS Excel
Business Applications
1 4 (8.70%) Dynamics CRM
2 1 (2.17%) RMDS
2 1 (2.17%) Summit
Cloud Services
1 6 (13.04%) Microsoft Azure
Communications & Networking
1 2 (4.35%) SMTP
Database & Business Intelligence
1 7 (15.22%) Relational Database
1 7 (15.22%) SQL Server
2 6 (13.04%) Data Mining
2 6 (13.04%) SQL Server Reporting Services
2 6 (13.04%) Big Data
2 6 (13.04%) NoSQL
3 2 (4.35%) SQL Server Integration Services
Development Applications
1 7 (15.22%) NUnit
2 4 (8.70%) Subversion
2 4 (8.70%) Git (software)
3 3 (6.52%) Jenkins
3 3 (6.52%) NSubstitute
3 3 (6.52%) Team Foundation Server
4 2 (4.35%) SpecFlow
5 1 (2.17%) Moq
5 1 (2.17%) TeamCity
5 1 (2.17%) FxCop
5 1 (2.17%) StyleCop
5 1 (2.17%) JIRA
5 1 (2.17%) ReSharper
5 1 (2.17%) Visual Studio
General
1 25 (54.35%) Front Office
2 14 (30.43%) Finance
3 12 (26.09%) Banking
4 10 (21.74%) Investment Banking
5 6 (13.04%) Games
Job Titles
1 46 (100.00%) Developer
2 27 (58.70%) C# Developer
3 20 (43.48%) WPF Developer
4 14 (30.43%) .NET Developer
5 13 (28.26%) Senior Developer
6 8 (17.39%) Senior .NET Developer
7 6 (13.04%) Front Office Developer
7 6 (13.04%) Senior C# Developer
7 6 (13.04%) Agile .NET Developer
7 6 (13.04%) Agile C# Developer
7 6 (13.04%) C# .NET Developer
8 5 (10.87%) GUI Developer
9 4 (8.70%) CRM Developer
9 4 (8.70%) Dynamics CRM Developer
9 4 (8.70%) Senior WPF Developer
10 1 (2.17%) UI Programmer
10 1 (2.17%) UI Developer
10 1 (2.17%) Technical Leader
Libraries, Frameworks & Software Standards
1 33 (71.74%) .NET
1 33 (71.74%) WPF
2 8 (17.39%) HTML
2 8 (17.39%) Silverlight
2 8 (17.39%) Task Parallel Library
2 8 (17.39%) HTML5
3 7 (15.22%) LINQ
4 6 (13.04%) WCF
4 6 (13.04%) .NET Framework
4 6 (13.04%) Managed Extensibility Framework
4 6 (13.04%) ASP.NET Web API
5 5 (10.87%) Web Services
5 5 (10.87%) XML
6 4 (8.70%) SOAP
7 3 (6.52%) JSON
7 3 (6.52%) Rendezvous
8 2 (4.35%) ActiveX
8 2 (4.35%) DCOM
8 2 (4.35%) CSS
8 2 (4.35%) WinForms
Miscellaneous
1 20 (43.48%) Foreign Exchange (FX)
2 9 (19.57%) Derivative
3 8 (17.39%) Fixed Income
4 6 (13.04%) Mathematics
4 6 (13.04%) Credit Derivative
4 6 (13.04%) Online Games
5 5 (10.87%) User Experience
5 5 (10.87%) Physics
6 2 (4.35%) CUDA
7 1 (2.17%) Inversion of Control
7 1 (2.17%) Economics
7 1 (2.17%) Computer Science
7 1 (2.17%) Interest Rate Derivative
7 1 (2.17%) Equity Derivative
7 1 (2.17%) Equities
7 1 (2.17%) Management Information System
7 1 (2.17%) Analytical Skills
Operating Systems
1 7 (15.22%) Windows
Processes & Methodologies
1 27 (58.70%) Agile Software Development
2 26 (56.52%) MVVM
3 24 (52.17%) TDD
4 18 (39.13%) Scrum
5 15 (32.61%) Multithreading
6 11 (23.91%) Electronic Trading
7 9 (19.57%) OO
8 8 (17.39%) Low Latency
9 7 (15.22%) Technical Analysis
9 7 (15.22%) Continuous Improvement
9 7 (15.22%) Continuous Integration
9 7 (15.22%) Software Engineering
9 7 (15.22%) Pair Programming
10 6 (13.04%) OOD
10 6 (13.04%) MVC
10 6 (13.04%) Business Intelligence
10 6 (13.04%) Algorithmic Trading
11 5 (10.87%) FX Algorithmic Trading
12 4 (8.70%) CRM
12 4 (8.70%) Workflow
Programming Languages
1 44 (95.65%) C#
2 19 (41.30%) SQL
3 8 (17.39%) JavaScript
4 7 (15.22%) XAML
5 4 (8.70%) Java
6 2 (4.35%) C++
6 2 (4.35%) VB
6 2 (4.35%) VB.NET
6 2 (4.35%) VBA
6 2 (4.35%) VB6
6 2 (4.35%) F#
7 1 (2.17%) Python
Qualifications
1 4 (8.70%) Degree
2 3 (6.52%) MCITP
2 3 (6.52%) Microsoft Certification
3 1 (2.17%) PhD
System Software
1 2 (4.35%) Active Directory
Vendors
1 13 (28.26%) Microsoft
2 5 (10.87%) Sybase
3 4 (8.70%) TIBCO
3 4 (8.70%) Bloomberg
3 4 (8.70%) DevExpress
4 3 (6.52%) Tradeweb
4 3 (6.52%) eSpeed
5 1 (2.17%) ION Trading
5 1 (2.17%) Syncfusion
5 1 (2.17%) Calypso
5 1 (2.17%) CheckPoint
5 1 (2.17%) Oracle