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 2 May 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
2 May 2016
Same period 2015 Same period 2014
Reactive Extensions (Rx)
Rank 577 579 591
Rank change year-on-year
+2 +12
Contract jobs citing Reactive Extensions 35 34 4
As % of all contract IT jobs located in England 0.068% 0.066% 0.008%
As % of the Libraries, Frameworks & Software Standards category 0.24% 0.24% 0.029%
Number of daily rates quoted 33 23 3
Median daily rate £613 £625 £300
Median daily rate % change year-on-year
-2.00% +108.33%
UK excluding London median daily rate £475 £350 -
% change year-on-year
+35.71% -
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
14288 14017 13683
As % of all contract IT jobs located in England 27.96% 27.22% 27.12%
Number of daily rates quoted 10113 9215 9082
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 £283 £265
10% offered a daily rate of more than £575 £550 £525
UK excluding London median daily rate £375 £350 £338
% change year-on-year
+7.14% +3.70%
Number of hourly rates quoted 174 184 191
Median hourly rate £32.50 £35.00 £35.00
Median hourly rate % change year-on-year
-7.14% -
90% offered a hourly rate of more than £11.00 £18.15 £17.50
10% offered a hourly rate of more than £47.50 £47.00 £52.50
UK excluding London median hourly rate £34.50 £37.00 £35.00
% change year-on-year
-6.75% +5.71%

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 2 May 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 2 May 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 -22 33 £613 -2.00% 4
South East -16 1 £513 +46.42%
East of England - 1 £438 -
Reactive Extensions
UK

Reactive Extensions
Top 30 Related IT Skills in England

For the 6 months to 2 May 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 63 (92.65%) C#
2 55 (80.88%) .NET
3 46 (67.65%) WPF
4 40 (58.82%) MVVM
5 33 (48.53%) Front Office
5 33 (48.53%) Agile Software Development
6 25 (36.76%) Multithreading
7 24 (35.29%) TDD
8 23 (33.82%) Foreign Exchange (FX)
8 23 (33.82%) BDD
9 20 (29.41%) AngularJS
9 20 (29.41%) SQL
10 19 (27.94%) JavaScript
10 19 (27.94%) Microsoft
10 19 (27.94%) Banking
10 19 (27.94%) Electronic Trading
11 18 (26.47%) Microsoft Azure
12 17 (25.00%) Task Parallel Library
12 17 (25.00%) SpecFlow
12 17 (25.00%) React
12 17 (25.00%) ASP.NET
13 16 (23.53%) MVC
13 16 (23.53%) Investment Banking
13 16 (23.53%) ASP.NET Web API
13 16 (23.53%) SignalR
13 16 (23.53%) Azure SQL Database
13 16 (23.53%) MongoDB
14 15 (22.06%) Complex Event Processing
14 15 (22.06%) Finance
15 13 (19.12%) ASP.NET MVC

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 2 (2.94%) SharePoint
Applications
1 3 (4.41%) MS Excel
Business Applications
1 3 (4.41%) RMDS
2 2 (2.94%) Dynamics CRM
2 2 (2.94%) ION MarketView
Cloud Services
1 18 (26.47%) Microsoft Azure
2 9 (13.24%) GitHub
Communications & Networking
1 1 (1.47%) AMQP
Database & Business Intelligence
1 16 (23.53%) Azure SQL Database
1 16 (23.53%) MongoDB
2 13 (19.12%) SQL Server
3 5 (7.35%) Apache Cassandra
3 5 (7.35%) Big Data
3 5 (7.35%) HBase
3 5 (7.35%) Oracle Database
3 5 (7.35%) RDBMS
3 5 (7.35%) Relational Database
4 3 (4.41%) SQL Server 2008
5 2 (2.94%) NoSQL
5 2 (2.94%) SQL Server Reporting Services
6 1 (1.47%) SQL Server 2012
Development Applications
1 17 (25.00%) SpecFlow
2 13 (19.12%) Git (software)
3 10 (14.71%) NUnit
4 9 (13.24%) Subversion
5 7 (10.29%) Team Foundation Server
6 6 (8.82%) Visual Studio
7 5 (7.35%) MSBuild
8 4 (5.88%) TeamCity
General
1 33 (48.53%) Front Office
2 19 (27.94%) Banking
3 16 (23.53%) Investment Banking
4 15 (22.06%) Finance
Job Titles
1 67 (98.53%) Developer
2 56 (82.35%) C# Developer
3 35 (51.47%) WPF Developer
4 30 (44.12%) C# WPF Developer
5 19 (27.94%) Front Office Developer
6 17 (25.00%) Senior Developer
7 16 (23.53%) Senior C# Developer
8 14 (20.59%) Senior WPF Developer
9 13 (19.12%) JavaScript Developer
10 12 (17.65%) C# Developer - Investment Banking
10 12 (17.65%) C# GUI Developer
10 12 (17.65%) Full Stack Developer
10 12 (17.65%) GUI Developer
11 10 (14.71%) .NET Developer
12 9 (13.24%) Azure Developer
12 9 (13.24%) C# .NET Developer
13 8 (11.76%) C# Developer - Electronic Trading
13 8 (11.76%) Electronic Trading Developer
14 7 (10.29%) ASP.NET Developer
14 7 (10.29%) C# ASP.NET Developer
Libraries, Frameworks & Software Standards
1 55 (80.88%) .NET
2 46 (67.65%) WPF
3 20 (29.41%) AngularJS
4 17 (25.00%) ASP.NET
4 17 (25.00%) React
4 17 (25.00%) Task Parallel Library
5 16 (23.53%) ASP.NET Web API
5 16 (23.53%) SignalR
6 13 (19.12%) ASP.NET MVC
7 12 (17.65%) WCF
8 11 (16.18%) .NET Framework
9 9 (13.24%) Unity DI Container
10 7 (10.29%) Managed Extensibility Framework
10 7 (10.29%) SOAP
11 6 (8.82%) LINQ
12 5 (7.35%) ADO.NET
12 5 (7.35%) JSON
13 4 (5.88%) Protocol Buffers
14 3 (4.41%) Rendezvous
15 2 (2.94%) Web Services
Miscellaneous
1 23 (33.82%) Foreign Exchange (FX)
2 10 (14.71%) Fixed Income
3 9 (13.24%) Blog
3 9 (13.24%) Equities
4 8 (11.76%) User Experience
5 5 (7.35%) Analytical Skills
5 5 (7.35%) Clustering
6 4 (5.88%) Derivative
6 4 (5.88%) Fintech
7 1 (1.47%) Animation
7 1 (1.47%) Computer Science
Operating Systems
1 2 (2.94%) Windows
2 1 (1.47%) Android
Processes & Methodologies
1 40 (58.82%) MVVM
2 33 (48.53%) Agile Software Development
3 25 (36.76%) Multithreading
4 24 (35.29%) TDD
5 23 (33.82%) BDD
6 19 (27.94%) Electronic Trading
7 16 (23.53%) MVC
8 15 (22.06%) Complex Event Processing
9 13 (19.12%) OO
10 10 (14.71%) Unit Testing
11 8 (11.76%) OOD
11 8 (11.76%) Scrum
12 7 (10.29%) CQRS
13 5 (7.35%) Continuous Delivery
13 5 (7.35%) Continuous Integration
13 5 (7.35%) Release Management
14 4 (5.88%) E-Commerce
14 4 (5.88%) Open Source
15 3 (4.41%) Translating Business Requirements
16 2 (2.94%) Integration Testing
Programming Languages
1 63 (92.65%) C#
2 20 (29.41%) SQL
3 19 (27.94%) JavaScript
4 12 (17.65%) XAML
5 7 (10.29%) Java
6 2 (2.94%) PHP
7 1 (1.47%) R
7 1 (1.47%) VBA
Qualifications
1 5 (7.35%) Degree
2 2 (2.94%) MCITP
2 2 (2.94%) Microsoft Certification
Vendors
1 19 (27.94%) Microsoft
2 11 (16.18%) DevExpress
3 8 (11.76%) Oracle
4 3 (4.41%) ION Trading
4 3 (4.41%) Reuters
4 3 (4.41%) TIBCO
5 2 (2.94%) DataSynapse