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 31 July 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
31 Jul 2015
Same period 2014 Same period 2013
Reactive Extensions (Rx)
Rank 589 570 561
Rank change year-on-year
-19 -9
Contract jobs citing Reactive Extensions 31 41 18
As % of all contract IT jobs located in the UK 0.055% 0.075% 0.035%
As % of the Libraries, Frameworks & Software Standards category 0.20% 0.27% 0.12%
Number of daily rates quoted 24 28 17
Average daily rate
Keep up to 90%
of your Daily Rate
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£600 £550 £650
Average daily rate % change year-on-year
+9.09% -15.38%
90% offered a daily rate of more than £384 £363 £415
10% offered a daily rate of more than £668 £600 £720
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 - - -

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
15587 15227 14467
As % of all contract IT jobs located in the UK 27.41% 27.86% 28.31%
Number of daily rates quoted 10478 9801 9188
Average daily rate £390 £375 £375
Average daily rate % change year-on-year
+4.00% -
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 £340 £325
% change year-on-year
+2.94% +4.61%
Number of hourly rates quoted 235 225 284
Average hourly rate £39.55 £35.00 £35.00
Average hourly rate % change year-on-year
+13.00% -
90% offered a hourly rate of more than £17.50 £17.50 £20.00
10% offered a hourly rate of more than £55.00 £53.00 £50.00
UK excluding London average hourly rate £40.00 £34.00 £34.00
% change year-on-year
+17.64% -

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 31 July 2015.

Reactive Extensions Daily Rate Histogram in the UK

Reactive Extensions
Top 9 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 31 July 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 -28 31 £600 +9.09% 4
London 0 21 £625 +4.16% 4
City of London -4 13 £625 +4.16%
Surrey - 8 £400 -
South East - 8 £400 -
Suffolk -2 2 £390 +7.65%
East of England -11 2 £390 +7.65%
Guildford - 1 £400 -
Weybridge - 1 £400 -

Reactive Extensions
Top 30 Related IT Skills

For the 6 months to 31 July 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 62 (95.38%) C#
2 46 (70.77%) WPF
3 45 (69.23%) Agile Software Development
4 44 (67.69%) .NET
5 40 (61.54%) TDD
5 40 (61.54%) MVVM
6 33 (50.77%) Front Office
7 30 (46.15%) Foreign Exchange (FX)
7 30 (46.15%) SQL
8 23 (35.38%) Scrum
9 20 (30.77%) Multithreading
10 19 (29.23%) Banking
11 15 (23.08%) Microsoft
11 15 (23.08%) SQL Server
12 14 (21.54%) Finance
12 14 (21.54%) Investment Banking
12 14 (21.54%) Task Parallel Library
13 13 (20.00%) Managed Extensibility Framework
14 12 (18.46%) MVC
14 12 (18.46%) NUnit
14 12 (18.46%) Big Data
15 11 (16.92%) Games
15 11 (16.92%) Business Intelligence
15 11 (16.92%) NoSQL
15 11 (16.92%) Electronic Trading
15 11 (16.92%) Online Games
15 11 (16.92%) Microsoft Azure
16 10 (15.38%) Continuous Integration
16 10 (15.38%) Software Engineering
16 10 (15.38%) Silverlight

Reactive Extensions
Top Related IT Skills by Category

For the 6 months to 31 July 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 6 (9.23%) SharePoint
2 3 (4.62%) MTS
3 2 (3.08%) Node.js
3 2 (3.08%) SharePoint 2013
Applications
1 8 (12.31%) MS Excel
Business Applications
1 5 (7.69%) Dynamics CRM
2 1 (1.54%) Dynamics AX
2 1 (1.54%) RMDS
Cloud Services
1 11 (16.92%) Microsoft Azure
Communications & Networking
1 2 (3.08%) SMTP
Database & Business Intelligence
1 15 (23.08%) SQL Server
2 12 (18.46%) Big Data
3 11 (16.92%) NoSQL
4 8 (12.31%) Relational Database
5 7 (10.77%) SQL Server Reporting Services
6 6 (9.23%) Data Mining
7 3 (4.62%) Oracle Database
8 2 (3.08%) SQL Server Integration Services
8 2 (3.08%) Oracle Database 10g
9 1 (1.54%) Apache Cassandra
9 1 (1.54%) RDBMS
9 1 (1.54%) HBase
Development Applications
1 12 (18.46%) NUnit
2 5 (7.69%) Team Foundation Server
3 3 (4.62%) Git (software)
3 3 (4.62%) SpecFlow
4 2 (3.08%) Jenkins
4 2 (3.08%) NSubstitute
4 2 (3.08%) Subversion
4 2 (3.08%) Rhino Mocks
4 2 (3.08%) Moq
4 2 (3.08%) MSBuild
5 1 (1.54%) Visual Studio
General
1 33 (50.77%) Front Office
2 19 (29.23%) Banking
3 14 (21.54%) Investment Banking
3 14 (21.54%) Finance
4 11 (16.92%) Games
Job Titles
1 65 (100.00%) Developer
2 36 (55.38%) C# Developer
3 28 (43.08%) Senior Developer
4 24 (36.92%) WPF Developer
5 19 (29.23%) .NET Developer
6 16 (24.62%) Senior C# Developer
7 11 (16.92%) Senior WPF Developer
8 10 (15.38%) Senior .NET Developer
9 9 (13.85%) GUI Developer
10 7 (10.77%) C# .NET Developer
11 6 (9.23%) Agile .NET Developer
11 6 (9.23%) Agile C# Developer
12 5 (7.69%) CRM Developer
12 5 (7.69%) Dynamics CRM Developer
12 5 (7.69%) Front Office Developer
13 3 (4.62%) Microsoft Developer
14 1 (1.54%) Games Developer
14 1 (1.54%) Web Developer
Libraries, Frameworks & Software Standards
1 46 (70.77%) WPF
2 44 (67.69%) .NET
3 14 (21.54%) Task Parallel Library
4 13 (20.00%) Managed Extensibility Framework
5 10 (15.38%) Silverlight
5 10 (15.38%) ASP.NET Web API
6 8 (12.31%) HTML5
6 8 (12.31%) HTML
6 8 (12.31%) SOAP
6 8 (12.31%) .NET Framework
7 7 (10.77%) WCF
7 7 (10.77%) Web Services
7 7 (10.77%) LINQ
8 6 (9.23%) XML
8 6 (9.23%) Rendezvous
9 4 (6.15%) JSON
9 4 (6.15%) Unity DI Container
10 3 (4.62%) AngularJS
10 3 (4.62%) CSS
11 2 (3.08%) Middleware
Miscellaneous
1 30 (46.15%) Foreign Exchange (FX)
2 11 (16.92%) Online Games
3 7 (10.77%) Derivative
4 6 (9.23%) Fixed Income
5 5 (7.69%) Credit Derivative
5 5 (7.69%) Mathematics
5 5 (7.69%) Physics
6 4 (6.15%) User Experience
7 3 (4.62%) Enterprise Software
8 2 (3.08%) Visualisation
8 2 (3.08%) CUDA
8 2 (3.08%) Credit Risk
9 1 (1.54%) Interest Rate Derivative
9 1 (1.54%) Economics
9 1 (1.54%) Clustering
Operating Systems
1 9 (13.85%) Windows
2 2 (3.08%) UNIX
3 1 (1.54%) Android
3 1 (1.54%) Apple iOS
Processes & Methodologies
1 45 (69.23%) Agile Software Development
2 40 (61.54%) TDD
2 40 (61.54%) MVVM
3 23 (35.38%) Scrum
4 20 (30.77%) Multithreading
5 12 (18.46%) MVC
6 11 (16.92%) Business Intelligence
6 11 (16.92%) Electronic Trading
7 10 (15.38%) Software Engineering
7 10 (15.38%) Continuous Integration
7 10 (15.38%) Low Latency
8 9 (13.85%) SDLC
9 8 (12.31%) Unit Testing
9 8 (12.31%) OO
10 7 (10.77%) Workflow
10 7 (10.77%) Pair Programming
10 7 (10.77%) Technical Analysis
10 7 (10.77%) Continuous Improvement
11 6 (9.23%) Algorithmic Trading
12 5 (7.69%) CRM
Programming Languages
1 62 (95.38%) C#
2 30 (46.15%) SQL
3 9 (13.85%) XAML
4 8 (12.31%) JavaScript
5 5 (7.69%) Java
6 2 (3.08%) C++
6 2 (3.08%) T-SQL
6 2 (3.08%) VB
6 2 (3.08%) VB6
6 2 (3.08%) F#
6 2 (3.08%) VBA
7 1 (1.54%) VB.NET
Qualifications
1 4 (6.15%) Microsoft Certification
1 4 (6.15%) MCITP
Quality Assurance & Compliance
1 2 (3.08%) QA
System Software
1 2 (3.08%) Active Directory
Systems Management
1 1 (1.54%) BladeLogic
Vendors
1 15 (23.08%) Microsoft
2 7 (10.77%) TIBCO
2 7 (10.77%) DevExpress
3 3 (4.62%) Tradeweb
3 3 (4.62%) Bloomberg
3 3 (4.62%) eSpeed
3 3 (4.62%) Oracle
3 3 (4.62%) Sybase
4 2 (3.08%) CheckPoint
4 2 (3.08%) Typemock
5 1 (1.54%) Solace
5 1 (1.54%) Infragistics
5 1 (1.54%) ION Trading