The table below looks at the statistics for Reactive Extensions skills in IT jobs advertised for the City of London region. Included is a guide to the average salaries offered in IT jobs that have cited Reactive Extensions over the 3 months to 23 January 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
23 Jan 2015
Same period 2014 Same period 2013
Reactive Extensions (Rx)
Rank 300 310 286
Rank change year-on-year
+10 -24
Permanent jobs citing Reactive Extensions 11 1 31
As % of all permanent IT jobs located in the City of London 0.11% 0.010% 0.29%
As % of the Libraries, Frameworks & Software Standards category 0.33% 0.024% 0.72%
Number of salaries quoted 10 1 25
Average salary £65,000 £95,000 £90,000
Average salary % change year-on-year
-31.57% +5.55%
UK excluding London average salary £46,500 £70,000 £34,000
% change year-on-year
-33.57% +105.88%
Reactive Extensions
London

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 City of London region.

Libraries, Frameworks & Software Standards Category
City of London
Permanent IT job ads with a match in the
Libraries, Frameworks & Software Standards category
3379 4142 4326
As % of all permanent IT jobs located in the City of London 32.88% 39.35% 40.09%
Number of salaries quoted 3022 3575 3973
Average salary £52,500 £52,500 £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 £70,000 £75,000
UK excluding London average salary £40,000 £38,000 £37,500
% change year-on-year
+5.26% +1.33%

Reactive Extensions
Jobs Demand Trend in the City of London

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

Reactive Extensions Jobs Demand Trend in the City of London

Reactive Extensions
Salary Trend in the City of London

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

Reactive Extensions Salary Trend in the City of London

Reactive Extensions
Salary Histogram in the City of London

This chart provides a salary histogram for IT jobs citing Reactive Extensions across the City of London region over the 3 months to 23 January 2015.

Reactive Extensions Salary Histogram in the City of London

Reactive Extensions
Top 30 Related IT Skills in the City of London

For the 6 months to 23 January 2015, IT jobs across the City of 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 16 (100.00%) C#
2 13 (81.25%) Agile Software Development
2 13 (81.25%) TDD
3 11 (68.75%) SQL
3 11 (68.75%) .NET
4 10 (62.50%) Java
5 9 (56.25%) WPF
5 9 (56.25%) Unit Testing
5 9 (56.25%) F#
5 9 (56.25%) Scala
6 8 (50.00%) MongoDB
6 8 (50.00%) Amazon DynamoDB
7 7 (43.75%) User Experience
7 7 (43.75%) Apache Spark
7 7 (43.75%) Data Mining
7 7 (43.75%) Windows
7 7 (43.75%) Python
7 7 (43.75%) MSMQ
7 7 (43.75%) Front Office
7 7 (43.75%) Data Analysis
7 7 (43.75%) Ruby
7 7 (43.75%) Web Analytics
7 7 (43.75%) Continuous Integration
7 7 (43.75%) NoSQL
7 7 (43.75%) PowerShell
7 7 (43.75%) RESTful
7 7 (43.75%) Hadoop
7 7 (43.75%) Microsoft Azure
7 7 (43.75%) Amazon AWS
7 7 (43.75%) Amazon SQS

Reactive Extensions
Top Related IT Skills in the City of London by Category

For the 6 months to 23 January 2015, IT jobs across the City of 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 (43.75%) Apache Spark
2 1 (6.25%) Node.js
2 1 (6.25%) Jetty
Business Applications
1 3 (18.75%) RMDS
Cloud Services
1 7 (43.75%) Microsoft Azure
1 7 (43.75%) Amazon AWS
1 7 (43.75%) Amazon SQS
Database & Business Intelligence
1 8 (50.00%) MongoDB
1 8 (50.00%) Amazon DynamoDB
2 7 (43.75%) Data Mining
2 7 (43.75%) NoSQL
2 7 (43.75%) Hadoop
2 7 (43.75%) Big Data
3 3 (18.75%) SQL Server
General
1 7 (43.75%) Front Office
2 4 (25.00%) Banking
3 3 (18.75%) Finance
4 2 (12.50%) Investment Banking
Job Titles
1 8 (50.00%) C# Developer
1 8 (50.00%) Developer
2 4 (25.00%) WPF Developer
3 3 (18.75%) Front Office Developer
4 2 (12.50%) .NET Developer
4 2 (12.50%) C# .NET Developer
4 2 (12.50%) Lead C# Developer
4 2 (12.50%) Lead Developer
5 1 (6.25%) Head of Development
Libraries, Frameworks & Software Standards
1 11 (68.75%) .NET
2 9 (56.25%) WPF
3 7 (43.75%) MSMQ
3 7 (43.75%) RESTful
3 7 (43.75%) Task Parallel Library
4 4 (25.00%) WCF
5 3 (18.75%) WinForms
6 2 (12.50%) JMS
6 2 (12.50%) Middleware
7 1 (6.25%) OAuth2
7 1 (6.25%) KnockoutJS
7 1 (6.25%) Dojo
7 1 (6.25%) jQuery
Miscellaneous
1 7 (43.75%) User Experience
2 4 (25.00%) Computer Science
2 4 (25.00%) Foreign Exchange (FX)
3 3 (18.75%) Mathematics
4 2 (12.50%) Derivative
4 2 (12.50%) Equity Derivative
4 2 (12.50%) Data Structures
4 2 (12.50%) Algorithms
5 1 (6.25%) Enterprise Software
5 1 (6.25%) Fixed Income
Operating Systems
1 7 (43.75%) Windows
Processes & Methodologies
1 13 (81.25%) Agile Software Development
1 13 (81.25%) TDD
2 9 (56.25%) Unit Testing
3 7 (43.75%) Data Analysis
3 7 (43.75%) Web Analytics
3 7 (43.75%) Continuous Integration
3 7 (43.75%) Big Data Analytics
3 7 (43.75%) Data Analytics
3 7 (43.75%) Analytics
4 5 (31.25%) MVVM
5 4 (25.00%) Multithreading
6 3 (18.75%) OO
6 3 (18.75%) Risk Analysis
7 2 (12.50%) Wealth Management
7 2 (12.50%) Scrum
7 2 (12.50%) Refactoring
7 2 (12.50%) Software Engineering
7 2 (12.50%) Business Intelligence
7 2 (12.50%) Project Management
7 2 (12.50%) Functional Programming
Programming Languages
1 16 (100.00%) C#
2 11 (68.75%) SQL
3 10 (62.50%) Java
4 9 (56.25%) F#
4 9 (56.25%) Scala
5 7 (43.75%) Python
5 7 (43.75%) Ruby
5 7 (43.75%) PowerShell
6 1 (6.25%) JavaScript
Vendors
1 3 (18.75%) TIBCO
2 2 (12.50%) Google
2 2 (12.50%) Microsoft
City, London
Harris Rubbert Associates
Salary: £100,000 per annum + Benefits
Posted: 6 days ago
City, London
FlexTrade
Salary: Negotiable
Posted: 12 days ago