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 June 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 Jun 2016
Same period 2015 Same period 2014
Reactive Extensions (Rx)
Rank 616 611 605
Rank change year-on-year
-5 -6
Contract jobs citing Reactive Extensions 24 29 18
As % of all contract IT jobs located in the UK 0.045% 0.052% 0.033%
As % of the Libraries, Frameworks & Software Standards category 0.16% 0.19% 0.12%
Number of daily rates quoted 22 18 14
Median daily rate £613 £650 £550
Median daily rate % change year-on-year
-5.76% +18.18%
90% offered a daily rate of more than £453 £505 £354
10% offered a daily rate of more than £625 £650 £600
UK excluding London median daily rate £488 £400 £356
% change year-on-year
+21.87% +12.28%
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
15257 15356 15097
As % of all contract IT jobs located in the UK 28.38% 27.38% 27.84%
Number of daily rates quoted 10756 10258 9887
Median daily rate £420 £388 £375
Median daily rate % change year-on-year
+8.38% +3.33%
90% offered a daily rate of more than £300 £280 £275
10% offered a daily rate of more than £550 £550 £525
UK excluding London median daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 177 209 208
Median hourly rate £36.00 £37.45 £35.00
Median hourly rate % change year-on-year
-3.87% +7.00%
90% offered a hourly rate of more than £18.80 £17.86 £17.50
10% offered a hourly rate of more than £50.70 £55.00 £53.00
UK excluding London median hourly rate £36.00 £40.00 £35.00
% change year-on-year
-10.00% +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 June 2016.

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 median contractor rates quoted in IT jobs citing Reactive Extensions within the UK over the 3 months to 24 June 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 -4 24 £613 -5.76% 3
London -3 18 £613 -5.76% 3
City of London +39 9 £613 -2.00% 1
South East -2 4 £506 +26.56%
Surrey -11 4 £506 +26.56%
Weybridge - 4 £506 -

Reactive Extensions
Top 30 Related IT Skills

For the 6 months to 24 June 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 (89.39%) C#
2 49 (74.24%) WPF
3 47 (71.21%) .NET
4 42 (63.64%) MVVM
5 36 (54.55%) Agile Software Development
6 34 (51.52%) Front Office
7 27 (40.91%) Multithreading
8 25 (37.88%) Foreign Exchange (FX)
9 22 (33.33%) Banking
10 21 (31.82%) Electronic Trading
11 18 (27.27%) TDD
12 17 (25.76%) Investment Banking
12 17 (25.76%) Microsoft
12 17 (25.76%) Task Parallel Library
13 16 (24.24%) WCF
14 15 (22.73%) .NET Framework
15 13 (19.70%) OO
15 13 (19.70%) SQL Server
16 12 (18.18%) OOD
16 12 (18.18%) XAML
16 12 (18.18%) Finance
16 12 (18.18%) Scrum
16 12 (18.18%) BDD
17 11 (16.67%) Managed Extensibility Framework
17 11 (16.67%) DevExpress
17 11 (16.67%) Unit Testing
17 11 (16.67%) NUnit
17 11 (16.67%) SOAP
18 10 (15.15%) JavaScript
18 10 (15.15%) Equities

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 5 (7.58%) SharePoint
2 3 (4.55%) BizTalk Server
3 1 (1.52%) Confluence
Applications
1 2 (3.03%) MS Excel
Business Applications
1 5 (7.58%) Dynamics CRM
2 3 (4.55%) RMDS
3 2 (3.03%) ION MarketView
Cloud Services
1 6 (9.09%) Microsoft Azure
2 1 (1.52%) GitHub
Communications & Networking
1 1 (1.52%) AMQP
Database & Business Intelligence
1 13 (19.70%) SQL Server
2 5 (7.58%) Apache Cassandra
2 5 (7.58%) Azure SQL Database
2 5 (7.58%) Big Data
2 5 (7.58%) HBase
2 5 (7.58%) MongoDB
2 5 (7.58%) Oracle Database
2 5 (7.58%) RDBMS
2 5 (7.58%) Relational Database
2 5 (7.58%) SQL Server Reporting Services
3 3 (4.55%) NoSQL
4 2 (3.03%) SQL Server 2008
5 1 (1.52%) DB2
Development Applications
1 11 (16.67%) NUnit
2 9 (13.64%) Git (software)
3 8 (12.12%) Team Foundation Server
4 7 (10.61%) SpecFlow
4 7 (10.61%) Visual Studio
5 5 (7.58%) MSBuild
5 5 (7.58%) Subversion
5 5 (7.58%) TeamCity
6 1 (1.52%) Gerrit
6 1 (1.52%) Grunt
6 1 (1.52%) Jasmine
6 1 (1.52%) Jenkins
6 1 (1.52%) JIRA
6 1 (1.52%) JSUnit
6 1 (1.52%) Mocha
6 1 (1.52%) Moq
6 1 (1.52%) QUnit
6 1 (1.52%) Rhino Mocks
6 1 (1.52%) Sinon.JS
6 1 (1.52%) Toad
General
1 34 (51.52%) Front Office
2 22 (33.33%) Banking
3 17 (25.76%) Investment Banking
4 12 (18.18%) Finance
Job Titles
1 65 (98.48%) Developer
2 48 (72.73%) C# Developer
3 37 (56.06%) WPF Developer
4 32 (48.48%) C# WPF Developer
5 19 (28.79%) Front Office Developer
5 19 (28.79%) Senior Developer
6 16 (24.24%) Senior C# Developer
7 15 (22.73%) C# GUI Developer
7 15 (22.73%) GUI Developer
8 14 (21.21%) Senior WPF Developer
9 12 (18.18%) C# Developer - Investment Banking
10 8 (12.12%) C# Developer - Electronic Trading
10 8 (12.12%) Electronic Trading Developer
11 6 (9.09%) Full Stack Developer
12 5 (7.58%) CRM Developer
13 4 (6.06%) .NET Developer
14 3 (4.55%) Android Developer
14 3 (4.55%) C# .NET Developer
14 3 (4.55%) SQL Developer
15 2 (3.03%) Azure Developer
Libraries, Frameworks & Software Standards
1 49 (74.24%) WPF
2 47 (71.21%) .NET
3 17 (25.76%) Task Parallel Library
4 16 (24.24%) WCF
5 15 (22.73%) .NET Framework
6 11 (16.67%) Managed Extensibility Framework
6 11 (16.67%) SOAP
7 10 (15.15%) Unity DI Container
8 9 (13.64%) AngularJS
9 8 (12.12%) ASP.NET
9 8 (12.12%) JSON
9 8 (12.12%) React
10 7 (10.61%) ASP.NET Web API
11 6 (9.09%) ADO.NET
11 6 (9.09%) LINQ
11 6 (9.09%) Web Services
11 6 (9.09%) XML
12 5 (7.58%) ASP.NET MVC
12 5 (7.58%) SignalR
13 4 (6.06%) Protocol Buffers
Miscellaneous
1 25 (37.88%) Foreign Exchange (FX)
2 10 (15.15%) Equities
3 9 (13.64%) Fixed Income
4 8 (12.12%) User Experience
5 5 (7.58%) Analytical Skills
5 5 (7.58%) Clustering
6 2 (3.03%) Derivative
7 1 (1.52%) Animation
7 1 (1.52%) Blog
7 1 (1.52%) Inversion of Control
7 1 (1.52%) N-Tier
7 1 (1.52%) Visualisation
Operating Systems
1 6 (9.09%) Windows
2 3 (4.55%) Android
Processes & Methodologies
1 42 (63.64%) MVVM
2 36 (54.55%) Agile Software Development
3 27 (40.91%) Multithreading
4 21 (31.82%) Electronic Trading
5 18 (27.27%) TDD
6 13 (19.70%) OO
7 12 (18.18%) BDD
7 12 (18.18%) OOD
7 12 (18.18%) Scrum
8 11 (16.67%) Unit Testing
9 10 (15.15%) MVC
10 6 (9.09%) Workflow
11 5 (7.58%) Continuous Delivery
11 5 (7.58%) Continuous Integration
11 5 (7.58%) CRM
11 5 (7.58%) Release Management
12 4 (6.06%) Complex Event Processing
12 4 (6.06%) E-Commerce
12 4 (6.06%) Open Source
12 4 (6.06%) Wireframes
Programming Languages
1 59 (89.39%) C#
2 12 (18.18%) XAML
3 10 (15.15%) JavaScript
4 8 (12.12%) SQL
5 6 (9.09%) Java
6 1 (1.52%) ES6
6 1 (1.52%) R
6 1 (1.52%) VBA
Qualifications
1 4 (6.06%) Degree
2 3 (4.55%) MCITP
2 3 (4.55%) Microsoft Certification
Vendors
1 17 (25.76%) Microsoft
2 11 (16.67%) DevExpress
3 9 (13.64%) Oracle
4 3 (4.55%) ION Trading
4 3 (4.55%) Reuters
4 3 (4.55%) TIBCO
5 2 (3.03%) DataSynapse
6 1 (1.52%) Infragistics
6 1 (1.52%) Syncfusion
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