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 22 May 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
22 May 2015
Same period 2014 Same period 2013
Reactive Extensions (Rx)
Rank - 339 315
Permanent jobs citing Reactive Extensions 0 3 13
As % of all permanent IT jobs located in the City of London - 0.024% 0.11%
As % of the Libraries, Frameworks & Software Standards category - 0.063% 0.28%
Number of salaries quoted 0 3 13
Average salary - £90,000 £97,500
Average salary % change year-on-year
- -7.69%
UK excluding London average salary £47,500 £37,500 £52,500
% change year-on-year
+26.66% -28.57%
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
3416 4743 4582
As % of all permanent IT jobs located in the City of London 34.03% 37.54% 39.01%
Number of salaries quoted 2966 4099 4039
Average salary £55,000 £52,500 £52,500
Average salary % change year-on-year
+4.76% -
90% offered a salary of more than £37,500 £35,000 £35,000
10% offered a salary of more than £74,500 £72,500 £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 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
Top 30 Related IT Skills in the City of London

For the 6 months to 22 May 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 8 (100.00%) C#
1 8 (100.00%) Java
1 8 (100.00%) Agile Software Development
1 8 (100.00%) TDD
2 7 (87.50%) .NET
3 6 (75.00%) MongoDB
3 6 (75.00%) Amazon AWS
3 6 (75.00%) Amazon DynamoDB
4 5 (62.50%) User Experience
4 5 (62.50%) Apache Spark
4 5 (62.50%) Task Parallel Library
4 5 (62.50%) Big Data
4 5 (62.50%) Big Data Analytics
4 5 (62.50%) Data Analytics
4 5 (62.50%) Analytics
4 5 (62.50%) NoSQL
4 5 (62.50%) Amazon SQS
4 5 (62.50%) RESTful
4 5 (62.50%) Scala
4 5 (62.50%) Hadoop
4 5 (62.50%) Microsoft Azure
4 5 (62.50%) Windows
4 5 (62.50%) Python
4 5 (62.50%) MSMQ
4 5 (62.50%) Data Mining
4 5 (62.50%) Data Analysis
4 5 (62.50%) Ruby
4 5 (62.50%) Web Analytics
4 5 (62.50%) Unit Testing
4 5 (62.50%) Continuous Integration

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

For the 6 months to 22 May 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 5 (62.50%) Apache Spark
2 1 (12.50%) Node.js
2 1 (12.50%) Jetty
Cloud Services
1 6 (75.00%) Amazon AWS
2 5 (62.50%) Amazon SQS
2 5 (62.50%) Microsoft Azure
Database & Business Intelligence
1 6 (75.00%) MongoDB
1 6 (75.00%) Amazon DynamoDB
2 5 (62.50%) Big Data
2 5 (62.50%) NoSQL
2 5 (62.50%) Hadoop
2 5 (62.50%) Data Mining
General
1 2 (25.00%) Banking
1 2 (25.00%) Front Office
2 1 (12.50%) Finance
Job Titles
1 2 (25.00%) Lead C# Developer
1 2 (25.00%) C# Developer
1 2 (25.00%) Developer
1 2 (25.00%) Lead Developer
1 2 (25.00%) WPF Developer
2 1 (12.50%) Head of Development
Libraries, Frameworks & Software Standards
1 7 (87.50%) .NET
2 5 (62.50%) Task Parallel Library
2 5 (62.50%) RESTful
2 5 (62.50%) MSMQ
3 3 (37.50%) WPF
4 2 (25.00%) JMS
5 1 (12.50%) OAuth2
5 1 (12.50%) KnockoutJS
5 1 (12.50%) Dojo
5 1 (12.50%) jQuery
Miscellaneous
1 5 (62.50%) User Experience
2 2 (25.00%) Derivative
2 2 (25.00%) Equity Derivative
2 2 (25.00%) Computer Science
2 2 (25.00%) Data Structures
2 2 (25.00%) Algorithms
3 1 (12.50%) Enterprise Software
Operating Systems
1 5 (62.50%) Windows
Processes & Methodologies
1 8 (100.00%) Agile Software Development
1 8 (100.00%) TDD
2 5 (62.50%) Big Data Analytics
2 5 (62.50%) Data Analytics
2 5 (62.50%) Analytics
2 5 (62.50%) Data Analysis
2 5 (62.50%) Web Analytics
2 5 (62.50%) Unit Testing
2 5 (62.50%) Continuous Integration
3 2 (25.00%) Multithreading
3 2 (25.00%) Refactoring
3 2 (25.00%) Software Engineering
3 2 (25.00%) Scrum
3 2 (25.00%) Project Management
3 2 (25.00%) MVVM
3 2 (25.00%) Mentoring
3 2 (25.00%) Garbage Collection
4 1 (12.50%) Software Delivery
Programming Languages
1 8 (100.00%) C#
1 8 (100.00%) Java
2 5 (62.50%) Scala
2 5 (62.50%) Python
2 5 (62.50%) Ruby
2 5 (62.50%) SQL
2 5 (62.50%) PowerShell
2 5 (62.50%) F#
3 1 (12.50%) JavaScript
Vendors
1 2 (25.00%) Google
1 2 (25.00%) Microsoft
1 2 (25.00%) Solace