The table below looks at the statistics for Reactive Extensions skills in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited Reactive Extensions over the 3 months to 24 July 2016 with a comparison to the same period over 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.

3 months to
24 Jul 2016
Same period 2015 Same period 2014
Reactive Extensions (Rx)
Rank 618 612 566
Rank change year-on-year
-6 -46
Contract jobs citing Reactive Extensions 25 34 37
As % of all contract IT jobs located in the UK 0.046% 0.060% 0.070%
As % of the Libraries, Frameworks & Software Standards category 0.16% 0.22% 0.25%
Number of daily rates quoted 23 25 25
Median daily rate £525 £625 £550
Median daily rate % change year-on-year
-16.00% +13.63%
90% offered a daily rate of more than £425 £392 £363
10% offered a daily rate of more than £660 £665 £600
UK excluding London median daily rate £475 £399 £400
% change year-on-year
+19.04% -0.25%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median 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
15657 15670 14656
As % of all contract IT jobs located in the UK 28.93% 27.52% 27.58%
Number of daily rates quoted 10952 10538 9499
Median daily rate £415 £397 £375
Median daily rate % change year-on-year
+4.53% +5.86%
90% offered a daily rate of more than £300 £280 £265
10% offered a daily rate of more than £550 £550 £525
UK excluding London median daily rate £375 £350 £340
% change year-on-year
+7.14% +2.94%
Number of hourly rates quoted 199 220 208
Median hourly rate £38.75 £39.55 £35.00
Median hourly rate % change year-on-year
-2.02% +13.00%
90% offered a hourly rate of more than £19.44 £16.51 £17.50
10% offered a hourly rate of more than £51.00 £55.00 £53.00
UK excluding London median hourly rate £37.50 £40.00 £35.00
% change year-on-year
-6.25% +14.28%

Reactive Extensions
Jobs Demand Trend

The demand trend of contract jobs citing Reactive Extensions as a proportion of all IT contracts with a match in 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 24 July 2016.

Reactive Extensions Daily Rate Histogram in the UK

Reactive Extensions
Top 8 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Reactive Extensions within the UK over the 3 months to 24 July 2016. 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
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -24 25 £525 -16.00%
London -6 16 £613 -2.00%
Weybridge -7 5 £500 +25.00%
Surrey -7 5 £500 +25.00%
South East -7 5 £500 +25.00%
City of London +37 4 £525 -16.00%
East of England +17 2 £425 +8.90%
Suffolk +2 2 £425 +8.90%

Reactive Extensions
Top 30 Related IT Skills

For the 6 months to 24 July 2016, IT contractor jobs citing Reactive Extensions also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for Reactive Extensions.

1 59 (92.19%) C#
2 47 (73.44%) MVVM
3 44 (68.75%) .NET
3 44 (68.75%) WPF
4 37 (57.81%) Agile Software Development
5 33 (51.56%) Front Office
6 25 (39.06%) Multithreading
7 24 (37.50%) Banking
8 23 (35.94%) Foreign Exchange (FX)
9 21 (32.81%) TDD
10 19 (29.69%) Investment Banking
10 19 (29.69%) Electronic Trading
11 17 (26.56%) Microsoft
12 14 (21.88%) WCF
12 14 (21.88%) Task Parallel Library
13 13 (20.31%) .NET Framework
13 13 (20.31%) Finance
13 13 (20.31%) OO
14 12 (18.75%) OOD
14 12 (18.75%) Web Services
14 12 (18.75%) Scrum
15 11 (17.19%) Equities
15 11 (17.19%) MVC
15 11 (17.19%) JavaScript
15 11 (17.19%) DevExpress
16 9 (14.06%) Managed Extensibility Framework
16 9 (14.06%) SQL
16 9 (14.06%) SQL Server
16 9 (14.06%) XML
16 9 (14.06%) Windows

Reactive Extensions
Top Related IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 8 (12.50%) SharePoint
2 4 (6.25%) BizTalk Server
3 2 (3.13%) Confluence
Applications
1 3 (4.69%) MS Excel
Business Applications
1 8 (12.50%) Dynamics CRM
2 3 (4.69%) RMDS
3 2 (3.13%) ION MarketView
Cloud Services
1 5 (7.81%) Microsoft Azure
Communications & Networking
1 1 (1.56%) AMQP
Database & Business Intelligence
1 9 (14.06%) SQL Server
2 8 (12.50%) SQL Server Reporting Services
3 4 (6.25%) Azure SQL Database
3 4 (6.25%) MongoDB
3 4 (6.25%) NoSQL
4 2 (3.13%) DB2
4 2 (3.13%) SQL Server 2008
5 1 (1.56%) Relational Database
Development Applications
1 7 (10.94%) Git (software)
1 7 (10.94%) SpecFlow
2 6 (9.38%) NUnit
3 5 (7.81%) Subversion
3 5 (7.81%) Team Foundation Server
3 5 (7.81%) TeamCity
4 4 (6.25%) Visual Studio
5 3 (4.69%) JIRA
6 2 (3.13%) Bower
6 2 (3.13%) Gerrit
6 2 (3.13%) Grunt
6 2 (3.13%) Jasmine
6 2 (3.13%) Jenkins
6 2 (3.13%) JSUnit
6 2 (3.13%) Mocha
6 2 (3.13%) Moq
6 2 (3.13%) QUnit
6 2 (3.13%) Rhino Mocks
6 2 (3.13%) Sinon.JS
6 2 (3.13%) Toad
General
1 33 (51.56%) Front Office
2 24 (37.50%) Banking
3 19 (29.69%) Investment Banking
4 13 (20.31%) Finance
Job Titles
1 63 (98.44%) Developer
2 45 (70.31%) C# Developer
3 30 (46.88%) WPF Developer
4 27 (42.19%) C# WPF Developer
5 18 (28.13%) Senior Developer
6 16 (25.00%) Front Office Developer
7 15 (23.44%) C# GUI Developer
7 15 (23.44%) GUI Developer
7 15 (23.44%) Senior C# Developer
8 13 (20.31%) Senior WPF Developer
9 12 (18.75%) C# Developer - Investment Banking
10 8 (12.50%) CRM Developer
11 7 (10.94%) .NET Developer
11 7 (10.94%) C# Developer - Electronic Trading
11 7 (10.94%) Electronic Trading Developer
12 6 (9.38%) Full Stack Developer
13 5 (7.81%) C# .NET Developer
14 4 (6.25%) Dynamics CRM Developer
15 3 (4.69%) Android Developer
16 2 (3.13%) UI Developer
Libraries, Frameworks & Software Standards
1 44 (68.75%) .NET
1 44 (68.75%) WPF
2 14 (21.88%) Task Parallel Library
2 14 (21.88%) WCF
3 13 (20.31%) .NET Framework
4 12 (18.75%) Web Services
5 9 (14.06%) AngularJS
5 9 (14.06%) Managed Extensibility Framework
5 9 (14.06%) SOAP
5 9 (14.06%) XML
6 8 (12.50%) ASP.NET
6 8 (12.50%) React
7 7 (10.94%) ASP.NET Web API
8 6 (9.38%) ASP.NET MVC
9 5 (7.81%) HTML
9 5 (7.81%) HTML5
9 5 (7.81%) KnockoutJS
10 4 (6.25%) Entity Framework
10 4 (6.25%) SignalR
10 4 (6.25%) Unity DI Container
Miscellaneous
1 23 (35.94%) Foreign Exchange (FX)
2 11 (17.19%) Equities
3 8 (12.50%) Fixed Income
4 7 (10.94%) User Experience
5 3 (4.69%) Algorithms
5 3 (4.69%) Analytical Skills
5 3 (4.69%) Data Structures
6 2 (3.13%) Computer Science
6 2 (3.13%) Derivative
6 2 (3.13%) Inversion of Control
6 2 (3.13%) N-Tier
6 2 (3.13%) Visualisation
7 1 (1.56%) Animation
7 1 (1.56%) Economics
Operating Systems
1 9 (14.06%) Windows
2 3 (4.69%) Android
Processes & Methodologies
1 47 (73.44%) MVVM
2 37 (57.81%) Agile Software Development
3 25 (39.06%) Multithreading
4 21 (32.81%) TDD
5 19 (29.69%) Electronic Trading
6 13 (20.31%) OO
7 12 (18.75%) OOD
7 12 (18.75%) Scrum
8 11 (17.19%) MVC
9 9 (14.06%) Workflow
10 8 (12.50%) BDD
10 8 (12.50%) CRM
11 7 (10.94%) Unit Testing
12 4 (6.25%) E-Commerce
12 4 (6.25%) Workflow Development
13 3 (4.69%) Algorithmic Trading
13 3 (4.69%) Android Development
13 3 (4.69%) Complex Event Processing
13 3 (4.69%) Low Latency
13 3 (4.69%) OOP
Programming Languages
1 59 (92.19%) C#
2 11 (17.19%) JavaScript
3 9 (14.06%) SQL
3 9 (14.06%) XAML
4 2 (3.13%) ES6
5 1 (1.56%) Java
5 1 (1.56%) R
5 1 (1.56%) VBA
Qualifications
1 5 (7.81%) MCITP
1 5 (7.81%) Microsoft Certification
2 3 (4.69%) Degree
Quality Assurance & Compliance
1 1 (1.56%) QA
Vendors
1 17 (26.56%) Microsoft
2 11 (17.19%) DevExpress
3 5 (7.81%) Oracle
4 3 (4.69%) ION Trading
4 3 (4.69%) Reuters
4 3 (4.69%) TIBCO
5 2 (3.13%) DataSynapse
5 2 (3.13%) Infragistics
5 2 (3.13%) Syncfusion