The table below looks at the statistics for Reactive Extensions skills in IT contracts advertised for the England region. Included is a guide to the contractor rates offered in IT contracts that have cited Reactive Extensions over the 3 months to 25 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
25 Jul 2016
Same period 2015 Same period 2014
Reactive Extensions (Rx)
Rank 598 585 556
Rank change year-on-year
-13 -29
Contract jobs citing Reactive Extensions 25 34 31
As % of all contract IT jobs located in England 0.050% 0.066% 0.064%
As % of the Libraries, Frameworks & Software Standards category 0.17% 0.23% 0.23%
Number of daily rates quoted 23 25 22
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 - - -
Reactive Extensions
UK

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 England region.

Libraries, Frameworks & Software Standards Category
England
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
14715 14476 13561
As % of all contract IT jobs located in England 29.50% 28.05% 27.89%
Number of daily rates quoted 10384 9930 8896
Median daily rate £425 £400 £375
Median daily rate % change year-on-year
+6.25% +6.66%
90% offered a daily rate of more than £300 £288 £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 189 209 194
Median hourly rate £40.00 £39.25 £35.00
Median hourly rate % change year-on-year
+1.91% +12.14%
90% offered a hourly rate of more than £19.91 £18.00 £17.50
10% offered a hourly rate of more than £52.15 £55.00 £47.50
UK excluding London median hourly rate £37.50 £40.00 £34.75
% change year-on-year
-6.25% +15.10%

Reactive Extensions
Jobs Demand Trend in England

The demand trend of contract jobs across the England region 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 England

Reactive Extensions
Daily Rate Trend in England

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

Reactive Extensions Daily Rate Trend in England

Reactive Extensions
Daily Rate Histogram in England

This chart provides a histogram of daily rates quoted in contract IT jobs citing Reactive Extensions across the England region over the 3 months to 25 July 2016.

Reactive Extensions Daily Rate Histogram in England

Reactive Extensions
Contract Job Locations in England

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 England region over the 3 months to 25 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
London -11 16 £613 -2.00%
South East -2 5 £500 +25.00%
East of England +20 2 £425 +8.90%
Reactive Extensions
UK

Reactive Extensions
Top 30 Related IT Skills in England

For the 6 months to 25 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 across the England region with a requirement for Reactive Extensions.

1 59 (93.65%) C#
2 47 (74.60%) MVVM
3 44 (69.84%) .NET
4 43 (68.25%) WPF
5 37 (58.73%) Agile Software Development
6 32 (50.79%) Front Office
7 24 (38.10%) Multithreading
8 23 (36.51%) Banking
8 23 (36.51%) Foreign Exchange (FX)
9 21 (33.33%) TDD
10 19 (30.16%) Electronic Trading
11 18 (28.57%) Investment Banking
12 17 (26.98%) Microsoft
13 14 (22.22%) WCF
13 14 (22.22%) Task Parallel Library
14 13 (20.63%) .NET Framework
14 13 (20.63%) OO
15 12 (19.05%) OOD
15 12 (19.05%) Web Services
15 12 (19.05%) Finance
15 12 (19.05%) Scrum
16 11 (17.46%) Equities
16 11 (17.46%) MVC
16 11 (17.46%) JavaScript
16 11 (17.46%) DevExpress
17 9 (14.29%) Managed Extensibility Framework
17 9 (14.29%) SQL
17 9 (14.29%) SQL Server
17 9 (14.29%) XML
17 9 (14.29%) Windows

Reactive Extensions
Top Related IT Skills in England 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 (12.70%) SharePoint
2 4 (6.35%) BizTalk Server
3 2 (3.17%) Confluence
Applications
1 3 (4.76%) MS Excel
Business Applications
1 8 (12.70%) Dynamics CRM
2 3 (4.76%) RMDS
3 2 (3.17%) ION MarketView
Cloud Services
1 5 (7.94%) Microsoft Azure
Communications & Networking
1 1 (1.59%) AMQP
Database & Business Intelligence
1 9 (14.29%) SQL Server
2 8 (12.70%) SQL Server Reporting Services
3 4 (6.35%) Azure SQL Database
3 4 (6.35%) MongoDB
3 4 (6.35%) NoSQL
4 2 (3.17%) DB2
4 2 (3.17%) SQL Server 2008
5 1 (1.59%) Relational Database
Development Applications
1 7 (11.11%) SpecFlow
2 6 (9.52%) Git (software)
3 5 (7.94%) NUnit
3 5 (7.94%) Subversion
3 5 (7.94%) Team Foundation Server
4 4 (6.35%) TeamCity
4 4 (6.35%) Visual Studio
5 3 (4.76%) JIRA
6 2 (3.17%) Bower
6 2 (3.17%) Gerrit
6 2 (3.17%) Grunt
6 2 (3.17%) Jasmine
6 2 (3.17%) Jenkins
6 2 (3.17%) JSUnit
6 2 (3.17%) Mocha
6 2 (3.17%) Moq
6 2 (3.17%) QUnit
6 2 (3.17%) Rhino Mocks
6 2 (3.17%) Sinon.JS
6 2 (3.17%) Toad
General
1 32 (50.79%) Front Office
2 23 (36.51%) Banking
3 18 (28.57%) Investment Banking
4 12 (19.05%) Finance
Job Titles
1 62 (98.41%) Developer
2 45 (71.43%) C# Developer
3 29 (46.03%) WPF Developer
4 27 (42.86%) C# WPF Developer
5 18 (28.57%) Senior Developer
6 16 (25.40%) Front Office Developer
7 15 (23.81%) C# GUI Developer
7 15 (23.81%) GUI Developer
7 15 (23.81%) Senior C# Developer
8 13 (20.63%) Senior WPF Developer
9 12 (19.05%) C# Developer - Investment Banking
10 8 (12.70%) CRM Developer
11 7 (11.11%) .NET Developer
11 7 (11.11%) C# Developer - Electronic Trading
11 7 (11.11%) Electronic Trading Developer
12 6 (9.52%) Full Stack Developer
13 5 (7.94%) C# .NET Developer
14 4 (6.35%) Dynamics CRM Developer
15 3 (4.76%) Android Developer
16 2 (3.17%) UI Developer
Libraries, Frameworks & Software Standards
1 44 (69.84%) .NET
2 43 (68.25%) WPF
3 14 (22.22%) Task Parallel Library
3 14 (22.22%) WCF
4 13 (20.63%) .NET Framework
5 12 (19.05%) Web Services
6 9 (14.29%) AngularJS
6 9 (14.29%) Managed Extensibility Framework
6 9 (14.29%) SOAP
6 9 (14.29%) XML
7 8 (12.70%) ASP.NET
7 8 (12.70%) React
8 7 (11.11%) ASP.NET Web API
9 6 (9.52%) ASP.NET MVC
10 5 (7.94%) HTML
10 5 (7.94%) HTML5
10 5 (7.94%) KnockoutJS
11 4 (6.35%) Entity Framework
11 4 (6.35%) SignalR
12 3 (4.76%) Unity DI Container
Miscellaneous
1 23 (36.51%) Foreign Exchange (FX)
2 11 (17.46%) Equities
3 8 (12.70%) Fixed Income
4 6 (9.52%) User Experience
5 3 (4.76%) Algorithms
5 3 (4.76%) Analytical Skills
5 3 (4.76%) Data Structures
6 2 (3.17%) Computer Science
6 2 (3.17%) Derivative
6 2 (3.17%) Inversion of Control
6 2 (3.17%) N-Tier
6 2 (3.17%) Visualisation
7 1 (1.59%) Animation
7 1 (1.59%) Economics
Operating Systems
1 9 (14.29%) Windows
2 3 (4.76%) Android
Processes & Methodologies
1 47 (74.60%) MVVM
2 37 (58.73%) Agile Software Development
3 24 (38.10%) Multithreading
4 21 (33.33%) TDD
5 19 (30.16%) Electronic Trading
6 13 (20.63%) OO
7 12 (19.05%) OOD
7 12 (19.05%) Scrum
8 11 (17.46%) MVC
9 9 (14.29%) Workflow
10 8 (12.70%) BDD
10 8 (12.70%) CRM
11 6 (9.52%) Unit Testing
12 4 (6.35%) E-Commerce
12 4 (6.35%) Workflow Development
13 3 (4.76%) Algorithmic Trading
13 3 (4.76%) Android Development
13 3 (4.76%) Complex Event Processing
13 3 (4.76%) Low Latency
13 3 (4.76%) Software Architecture
Programming Languages
1 59 (93.65%) C#
2 11 (17.46%) JavaScript
3 9 (14.29%) SQL
4 8 (12.70%) XAML
5 2 (3.17%) ES6
6 1 (1.59%) Java
6 1 (1.59%) R
6 1 (1.59%) VBA
Qualifications
1 5 (7.94%) MCITP
1 5 (7.94%) Microsoft Certification
2 3 (4.76%) Degree
Quality Assurance & Compliance
1 1 (1.59%) QA
Vendors
1 17 (26.98%) Microsoft
2 11 (17.46%) DevExpress
3 5 (7.94%) Oracle
4 3 (4.76%) ION Trading
4 3 (4.76%) Reuters
4 3 (4.76%) TIBCO
5 2 (3.17%) DataSynapse
5 2 (3.17%) Infragistics
5 2 (3.17%) Syncfusion