The table below looks at the statistics for Reactive Extensions skills in IT jobs advertised for the London region. Included is a guide to the average salaries offered in IT jobs that have cited Reactive Extensions over the 3 months to 1 April 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
1 Apr 2015
Same period 2014 Same period 2013
Reactive Extensions (Rx)
Rank 631 593 595
Rank change year-on-year
-38 +2
Permanent jobs citing Reactive Extensions 12 37 34
As % of all permanent IT jobs located in London 0.027% 0.078% 0.075%
As % of the Libraries, Frameworks & Software Standards category 0.074% 0.19% 0.18%
Number of salaries quoted 11 33 28
Average salary £62,500 £87,500 £97,500
Average salary % change year-on-year
-28.57% -10.25%
90% offered a salary of more than £60,000 £47,500 £76,750
10% offered a salary of more than £87,500 £98,500 £120,000
UK excluding London average salary £47,500 £32,500 -
% change year-on-year
+46.15% -
Reactive Extensions
England

The following table is for comparison with the above and provides statistics for the entire Libraries, Frameworks & Software Standards category in permanent jobs advertised in the London region.

Libraries, Frameworks & Software Standards Category
London
Permanent IT job ads with a match in the
Libraries, Frameworks & Software Standards category
16179 19109 18520
As % of all permanent IT jobs located in London 36.62% 40.48% 40.87%
Number of salaries quoted 13750 16068 16140
Average salary £52,500 £50,000 £50,000
Average salary % change year-on-year
+5.00% -
90% offered a salary of more than £35,000 £35,000 £35,000
10% offered a salary of more than £72,500 £67,500 £72,500
UK excluding London average salary £40,000 £40,000 £37,500
% change year-on-year
- +6.66%

Reactive Extensions
Jobs Demand Trend in London

This chart provides a 3-month moving total of permanent IT jobs citing Reactive Extensions across the London region as a proportion of the total demand within the Libraries, Frameworks & Software Standards category.

Reactive Extensions Jobs Demand Trend in London

Reactive Extensions
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Reactive Extensions across the London region.

Reactive Extensions Salary Trend in London

Reactive Extensions
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing Reactive Extensions across the London region over the 3 months to 1 April 2015.

Reactive Extensions Salary Histogram in London

Reactive Extensions
Job Locations in London

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing Reactive Extensions within the London region over the 3 months to 1 April 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
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +11 2 £82,500 -8.33% 1
Reactive Extensions
England

Reactive Extensions
Top 30 Related IT Skills in London

For the 6 months to 1 April 2015, IT jobs across the London region 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 IT job ads sampled that cited Reactive Extensions.

1 34 (100.00%) C#
2 25 (73.53%) TDD
3 22 (64.71%) WPF
4 21 (61.76%) Agile Software Development
5 20 (58.82%) .NET
5 20 (58.82%) Front Office
6 16 (47.06%) Multithreading
7 14 (41.18%) Java
7 14 (41.18%) MVVM
7 14 (41.18%) Analytics
7 14 (41.18%) User Experience
8 11 (32.35%) SQL
8 11 (32.35%) Windows
8 11 (32.35%) Microsoft
8 11 (32.35%) Unit Testing
9 9 (26.47%) SQL Server
9 9 (26.47%) MSMQ
9 9 (26.47%) Continuous Integration
9 9 (26.47%) F#
9 9 (26.47%) RESTful
10 8 (23.53%) Banking
10 8 (23.53%) Ruby
10 8 (23.53%) Derivative
10 8 (23.53%) PowerShell
10 8 (23.53%) MongoDB
10 8 (23.53%) Task Parallel Library
10 8 (23.53%) Amazon DynamoDB
11 7 (20.59%) OO
11 7 (20.59%) Python
11 7 (20.59%) Data Mining

Reactive Extensions
Top Related IT Skills in London by Category

For the 6 months to 1 April 2015, IT jobs across the London region 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 IT job ads sampled that cited Reactive Extensions. Up to 20 skills are shown per category.

Application Platforms
1 7 (20.59%) Apache Spark
2 4 (11.76%) MTS
3 3 (8.82%) Node.js
4 2 (5.88%) IIS
4 2 (5.88%) SharePoint
5 1 (2.94%) Jetty
Applications
1 2 (5.88%) MS Excel
1 2 (5.88%) MS Visio
Business Applications
1 2 (5.88%) Dynamics CRM
2 1 (2.94%) RMDS
Cloud Services
1 7 (20.59%) Microsoft Azure
1 7 (20.59%) Amazon AWS
1 7 (20.59%) Amazon SQS
Communications & Networking
1 2 (5.88%) SMTP
1 2 (5.88%) Internet
Database & Business Intelligence
1 9 (26.47%) SQL Server
2 8 (23.53%) MongoDB
2 8 (23.53%) Amazon DynamoDB
3 7 (20.59%) NoSQL
3 7 (20.59%) Big Data
3 7 (20.59%) Data Mining
3 7 (20.59%) Hadoop
4 4 (11.76%) SQL Server Reporting Services
5 3 (8.82%) SQL Server Integration Services
6 2 (5.88%) SQL Server 2008
6 2 (5.88%) SQL Server 2005
6 2 (5.88%) SQL Server 2000
7 1 (2.94%) MySQL
Development Applications
1 2 (5.88%) Visual Studio
1 2 (5.88%) NUnit
1 2 (5.88%) Subversion
1 2 (5.88%) Team Foundation Server
1 2 (5.88%) SpecFlow
1 2 (5.88%) Jenkins
1 2 (5.88%) SQL Server Management Studio (SSMS)
1 2 (5.88%) NSubstitute
General
1 20 (58.82%) Front Office
2 8 (23.53%) Banking
3 6 (17.65%) Finance
4 5 (14.71%) Investment Banking
5 1 (2.94%) Games
Job Titles
1 25 (73.53%) Developer
2 22 (64.71%) C# Developer
3 18 (52.94%) WPF Developer
4 4 (11.76%) Front Office Developer
5 2 (5.88%) Lead Developer
5 2 (5.88%) .NET Developer
5 2 (5.88%) Lead C# Developer
5 2 (5.88%) Dynamics CRM Developer
5 2 (5.88%) CRM Developer
6 1 (2.94%) C# .NET Developer
6 1 (2.94%) Software Engineer
6 1 (2.94%) Head of Development
6 1 (2.94%) Senior Software Engineer
6 1 (2.94%) Senior .NET Developer
6 1 (2.94%) Senior Developer
Libraries, Frameworks & Software Standards
1 22 (64.71%) WPF
2 20 (58.82%) .NET
3 9 (26.47%) MSMQ
3 9 (26.47%) RESTful
4 8 (23.53%) Task Parallel Library
5 6 (17.65%) WCF
5 6 (17.65%) WinForms
6 5 (14.71%) ActiveMQ
6 5 (14.71%) SOAP
7 4 (11.76%) Spring
7 4 (11.76%) XML
7 4 (11.76%) RabbitMQ
7 4 (11.76%) LINQ
7 4 (11.76%) Rendezvous
8 2 (5.88%) .NET Remoting
8 2 (5.88%) JSON
8 2 (5.88%) Managed Extensibility Framework
8 2 (5.88%) XSD
8 2 (5.88%) ActiveX
8 2 (5.88%) JMS
Miscellaneous
1 14 (41.18%) User Experience
2 8 (23.53%) Derivative
3 7 (20.59%) Equity Derivative
4 6 (17.65%) Equities
5 5 (14.71%) Fixed Income
6 4 (11.76%) Spread Betting
7 3 (8.82%) Computer Science
7 3 (8.82%) Data Structures
7 3 (8.82%) Algorithms
8 2 (5.88%) Analytical Skills
9 1 (2.94%) Enterprise Software
9 1 (2.94%) Mathematics
9 1 (2.94%) Foreign Exchange (FX)
9 1 (2.94%) Credit Derivative
Operating Systems
1 11 (32.35%) Windows
Processes & Methodologies
1 25 (73.53%) TDD
2 21 (61.76%) Agile Software Development
3 16 (47.06%) Multithreading
4 14 (41.18%) MVVM
4 14 (41.18%) Analytics
5 11 (32.35%) Unit Testing
6 9 (26.47%) Continuous Integration
7 7 (20.59%) Big Data Analytics
7 7 (20.59%) Data Analytics
7 7 (20.59%) Data Analysis
7 7 (20.59%) Web Analytics
7 7 (20.59%) OO
8 6 (17.65%) Low Latency
8 6 (17.65%) Electronic Trading
9 4 (11.76%) OOD
9 4 (11.76%) Software Engineering
10 2 (5.88%) Refactoring
10 2 (5.88%) CRM
10 2 (5.88%) Data Modelling
10 2 (5.88%) UML
Programming Languages
1 34 (100.00%) C#
2 14 (41.18%) Java
3 11 (32.35%) SQL
4 9 (26.47%) F#
5 8 (23.53%) Ruby
5 8 (23.53%) PowerShell
6 7 (20.59%) Scala
6 7 (20.59%) Python
7 6 (17.65%) VBA
8 3 (8.82%) JavaScript
9 2 (5.88%) T-SQL
9 2 (5.88%) VB
9 2 (5.88%) VB6
10 1 (2.94%) XAML
Qualifications
1 2 (5.88%) Microsoft Certification
1 2 (5.88%) MCITP
1 2 (5.88%) Degree
Quality Assurance & Compliance
1 2 (5.88%) SLA
System Software
1 2 (5.88%) Active Directory
Vendors
1 11 (32.35%) Microsoft
2 5 (14.71%) TIBCO
3 4 (11.76%) Bloomberg
3 4 (11.76%) eSpeed
3 4 (11.76%) Sybase
3 4 (11.76%) Tradeweb
4 3 (8.82%) Google
5 1 (2.94%) 29West
5 1 (2.94%) ION Trading