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 27 February 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 Feb 2015
Same period 2014 Same period 2013
Reactive Extensions (Rx)
Rank 557 548 522
Rank change year-on-year
-9 -26
Contract jobs citing Reactive Extensions 19 18 15
As % of all contract IT jobs located in the UK 0.036% 0.036% 0.033%
As % of the Libraries, Frameworks & Software Standards category 0.14% 0.13% 0.12%
Number of daily rates quoted 13 12 10
Average daily rate
Keep up to 90%
of your Daily Rate
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£575 £450 £600
Average daily rate % change year-on-year
+27.77% -25.00%
90% offered a daily rate of more than £370 £310 £299
10% offered a daily rate of more than £645 £573 £653
UK excluding London average daily rate £344 £400 £294
% change year-on-year
-14.06% +36.17%
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
14022 13562 12160
As % of all contract IT jobs located in the UK 26.72% 26.98% 27.09%
Number of daily rates quoted 9222 8450 7632
Average daily rate £388 £375 £360
Average daily rate % change year-on-year
+3.33% +4.16%
90% offered a daily rate of more than £275 £260 £255
10% offered a daily rate of more than £540 £525 £541
UK excluding London average daily rate £350 £325 £325
% change year-on-year
+7.69% -
Number of hourly rates quoted 191 260 303
Average hourly rate £35.00 £34.00 £35.00
Average hourly rate % change year-on-year
+2.94% -2.85%
90% offered a hourly rate of more than £20.00 £16.87 £17.00
10% offered a hourly rate of more than £50.00 £50.50 £42.50
UK excluding London average hourly rate £35.00 £34.00 £35.00
% change year-on-year
+2.94% -2.85%

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 27 February 2015.

Reactive Extensions Daily Rate Histogram in the UK

Reactive Extensions
Top 11 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 27 February 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 19 £575 +27.77% 3
London -8 17 £575 +27.77% 2
City of London +18 4 £625 -19.35% 1
South East - 1 £350 -
Surrey - 1 £350 -
South West - - - -
North West - - - - 1
Warrington - - - -
Cheshire - - - -
Bristol - - - -
Leatherhead - - - -

Reactive Extensions
Top 30 Related IT Skills

For the 6 months to 27 February 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 46 (93.88%) C#
2 37 (75.51%) WPF
3 34 (69.39%) .NET
4 32 (65.31%) MVVM
5 23 (46.94%) Agile Software Development
5 23 (46.94%) TDD
6 20 (40.82%) Front Office
7 17 (34.69%) Banking
8 15 (30.61%) Finance
8 15 (30.61%) HTML
8 15 (30.61%) JavaScript
9 14 (28.57%) Microsoft
9 14 (28.57%) Investment Banking
9 14 (28.57%) Multithreading
10 12 (24.49%) HTML5
10 12 (24.49%) WCF
11 11 (22.45%) Foreign Exchange (FX)
11 11 (22.45%) Web Services
11 11 (22.45%) Managed Extensibility Framework
12 10 (20.41%) Task Parallel Library
12 10 (20.41%) User Experience
12 10 (20.41%) OO
12 10 (20.41%) SQL
13 9 (18.37%) Windows
13 9 (18.37%) XAML
13 9 (18.37%) Degree
13 9 (18.37%) AngularJS
14 8 (16.33%) SQL Server Reporting Services
14 8 (16.33%) MS Excel
15 7 (14.29%) XML

Reactive Extensions
Top Related IT Skills by Category

For the 6 months to 27 February 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 5 (10.20%) SharePoint
2 4 (8.16%) Node.js
3 2 (4.08%) IIS
4 1 (2.04%) Oracle Coherence
Applications
1 8 (16.33%) MS Excel
Business Applications
1 6 (12.24%) Dynamics CRM
2 1 (2.04%) Summit
Cloud Services
1 2 (4.08%) Microsoft Azure
Communications & Networking
1 2 (4.08%) SMTP
2 1 (2.04%) HTTP
Database & Business Intelligence
1 8 (16.33%) SQL Server Reporting Services
2 4 (8.16%) SQL Server
2 4 (8.16%) Relational Database
3 3 (6.12%) Data Mining
4 2 (4.08%) SQL Server Integration Services
4 2 (4.08%) NoSQL
4 2 (4.08%) Big Data
Development Applications
1 6 (12.24%) NUnit
2 5 (10.20%) Team Foundation Server
2 5 (10.20%) Jenkins
3 4 (8.16%) Subversion
3 4 (8.16%) Git (software)
4 3 (6.12%) TeamCity
4 3 (6.12%) NSubstitute
4 3 (6.12%) SpecFlow
5 2 (4.08%) MSTest
5 2 (4.08%) Ant
6 1 (2.04%) Visual Studio
6 1 (2.04%) JIRA
6 1 (2.04%) ReSharper
6 1 (2.04%) Moq
6 1 (2.04%) Mercurial
6 1 (2.04%) FxCop
6 1 (2.04%) StyleCop
General
1 20 (40.82%) Front Office
2 17 (34.69%) Banking
3 15 (30.61%) Finance
4 14 (28.57%) Investment Banking
5 2 (4.08%) Games
Job Titles
1 48 (97.96%) Developer
2 28 (57.14%) C# Developer
3 19 (38.78%) WPF Developer
4 11 (22.45%) Senior Developer
5 8 (16.33%) UI Developer
6 7 (14.29%) .NET Developer
7 6 (12.24%) CRM Developer
8 5 (10.20%) UI Programmer
8 5 (10.20%) Senior C# Developer
8 5 (10.20%) Senior .NET Developer
9 4 (8.16%) C# .NET Developer
9 4 (8.16%) Dynamics CRM Developer
10 3 (6.12%) Senior WPF Developer
10 3 (6.12%) Agile .NET Developer
10 3 (6.12%) Agile C# Developer
10 3 (6.12%) GUI Developer
10 3 (6.12%) Front Office Developer
11 1 (2.04%) Technical Leader
11 1 (2.04%) Microsoft Developer
11 1 (2.04%) Software Developer
Libraries, Frameworks & Software Standards
1 37 (75.51%) WPF
2 34 (69.39%) .NET
3 15 (30.61%) HTML
4 12 (24.49%) HTML5
4 12 (24.49%) WCF
5 11 (22.45%) Managed Extensibility Framework
5 11 (22.45%) Web Services
6 10 (20.41%) Task Parallel Library
7 9 (18.37%) AngularJS
8 7 (14.29%) XML
8 7 (14.29%) SOAP
9 6 (12.24%) LINQ
10 5 (10.20%) Silverlight
11 4 (8.16%) .NET Framework
11 4 (8.16%) CSS
12 3 (6.12%) JSON
12 3 (6.12%) JMS
12 3 (6.12%) Gherkin
12 3 (6.12%) ASP.NET Web API
13 2 (4.08%) KnockoutJS
Miscellaneous
1 11 (22.45%) Foreign Exchange (FX)
2 10 (20.41%) User Experience
3 5 (10.20%) Data Structures
3 5 (10.20%) Algorithms
3 5 (10.20%) Derivative
3 5 (10.20%) Mathematics
4 4 (8.16%) Physics
4 4 (8.16%) Computer Science
4 4 (8.16%) Fixed Income
4 4 (8.16%) Analytical Skills
5 3 (6.12%) Credit Derivative
5 3 (6.12%) Client/Server
5 3 (6.12%) Mobile App
6 2 (4.08%) Enterprise Software
6 2 (4.08%) CUDA
6 2 (4.08%) Online Games
7 1 (2.04%) Inversion of Control
7 1 (2.04%) Economics
7 1 (2.04%) Equity Derivative
7 1 (2.04%) Equities
Operating Systems
1 9 (18.37%) Windows
Processes & Methodologies
1 32 (65.31%) MVVM
2 23 (46.94%) Agile Software Development
2 23 (46.94%) TDD
3 14 (28.57%) Multithreading
4 10 (20.41%) OO
5 7 (14.29%) Low Latency
6 6 (12.24%) Scrum
6 6 (12.24%) Continuous Integration
6 6 (12.24%) CRM
6 6 (12.24%) Workflow
7 5 (10.20%) MVC
7 5 (10.20%) Algorithmic Trading
7 5 (10.20%) BDD
8 4 (8.16%) Continuous Improvement
8 4 (8.16%) Technical Analysis
8 4 (8.16%) Data Modelling
8 4 (8.16%) OOD
8 4 (8.16%) Software Engineering
8 4 (8.16%) Pair Programming
9 3 (6.12%) OOP
Programming Languages
1 46 (93.88%) C#
2 15 (30.61%) JavaScript
3 10 (20.41%) SQL
4 9 (18.37%) XAML
5 3 (6.12%) Java
6 2 (4.08%) C++
6 2 (4.08%) VB6
6 2 (4.08%) Ruby
6 2 (4.08%) PowerShell
6 2 (4.08%) F#
6 2 (4.08%) VB
6 2 (4.08%) VB.NET
6 2 (4.08%) VBA
7 1 (2.04%) Python
Qualifications
1 9 (18.37%) Degree
2 5 (10.20%) Microsoft Certification
2 5 (10.20%) MCITP
3 1 (2.04%) SC Cleared
3 1 (2.04%) Security Cleared
3 1 (2.04%) PhD
System Software
1 2 (4.08%) Active Directory
1 2 (4.08%) Docker
Systems Management
1 2 (4.08%) Puppet
1 2 (4.08%) Vagrant
Vendors
1 14 (28.57%) Microsoft
2 3 (6.12%) Sybase
2 3 (6.12%) DevExpress
3 2 (4.08%) TIBCO
3 2 (4.08%) Oracle
4 1 (2.04%) Calypso
4 1 (2.04%) CheckPoint
4 1 (2.04%) Bloomberg
4 1 (2.04%) Syncfusion