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 salaries offered in IT jobs that have cited Reactive Extensions over the 3 months to 17 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
17 Jan 2017
Same period 2016 Same period 2015
Reactive Extensions (Rx)
England / London
Rank 562 594 620
Rank change year-on-year
+32 +26
Permanent jobs citing Reactive Extensions 9 45 21
As % of all permanent IT jobs located in London 0.027% 0.11% 0.052%
As % of the Libraries, Frameworks & Software Standards category 0.068% 0.29% 0.14%
Number of salaries quoted 9 45 17
Median salary £67,500 £87,500 £65,000
Median salary % change year-on-year
-22.85% +34.61%
UK excluding London median salary £47,500 £40,000 £46,500
% change year-on-year
+18.75% -13.97%

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
13279 15283 14541
As % of all permanent IT jobs located in London 39.73% 38.24% 35.94%
Number of salaries quoted 11579 13288 12463
Median salary £57,500 £55,000 £54,000
Median salary % change year-on-year
+4.54% +1.85%
90% offered a salary of more than £37,500 £37,500 £35,000
10% offered a salary of more than £80,000 £72,500 £80,000
UK excluding London median salary £42,500 £42,000 £40,000
% change year-on-year
+1.19% +5.00%

Reactive Extensions
Jobs Demand Trend in London

The demand trend of job ads across the London region citing Reactive Extensions as a proportion of all IT jobs with a match in 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 17 January 2017.

Reactive Extensions Salary Histogram in London

Reactive Extensions
Top 30 Related IT Skills in London

For the 6 months to 17 January 2017, IT 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 job ads across the London region with a requirement for Reactive Extensions.

1 17 (100.00%) .NET
2 16 (94.12%) C#
2 16 (94.12%) WPF
3 14 (82.35%) Multithreading
4 10 (58.82%) HTML
4 10 (58.82%) SQL
4 10 (58.82%) HTML5
5 9 (52.94%) F#
5 9 (52.94%) Software Engineering
5 9 (52.94%) TDD
6 8 (47.06%) WCF
6 8 (47.06%) Games
6 8 (47.06%) NoSQL
7 7 (41.18%) JavaScript
7 7 (41.18%) ActiveMQ
7 7 (41.18%) Agile Software Development
8 6 (35.29%) Microservices
9 5 (29.41%) Xbox
9 5 (29.41%) Low Latency
9 5 (29.41%) Hedge funds
9 5 (29.41%) Banking
9 5 (29.41%) Continuous Integration
9 5 (29.41%) Open Source
9 5 (29.41%) Java
9 5 (29.41%) SQL Server
9 5 (29.41%) ASP.NET
9 5 (29.41%) Web Services
9 5 (29.41%) Microsoft
10 4 (23.53%) MVC
10 4 (23.53%) XML

Reactive Extensions
Top Related IT Skills in London 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 1 (5.88%) Elasticsearch
Database & Business Intelligence
1 8 (47.06%) NoSQL
2 5 (29.41%) SQL Server
3 4 (23.53%) Couchbase
3 4 (23.53%) Event Store
3 4 (23.53%) MongoDB
3 4 (23.53%) Redis
3 4 (23.53%) Relational Database
4 1 (5.88%) RDBMS
Development Applications
1 1 (5.88%) Moq
1 1 (5.88%) NUnit
General
1 8 (47.06%) Games
2 5 (29.41%) Banking
3 3 (17.65%) Finance
4 2 (11.76%) Front Office
Job Titles
1 13 (76.47%) Developer
2 11 (64.71%) .NET Developer
3 8 (47.06%) C# Software Engineer
3 8 (47.06%) Software Engineer
4 7 (41.18%) .NET Software Engineer
4 7 (41.18%) C# Developer
5 6 (35.29%) WPF Developer
6 5 (29.41%) C# .NET Developer
6 5 (29.41%) Senior C# Software Engineer
6 5 (29.41%) Senior Software Engineer
7 4 (23.53%) .NET Software Developer
7 4 (23.53%) C# Software Developer
7 4 (23.53%) Developer/Software Engineer
7 4 (23.53%) Senior .NET Software Engineer
8 2 (11.76%) Senior C# Developer
8 2 (11.76%) Senior Developer
9 1 (5.88%) Front Office Developer
9 1 (5.88%) Programmer
9 1 (5.88%) Senior .NET Developer
9 1 (5.88%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 17 (100.00%) .NET
2 16 (94.12%) WPF
3 10 (58.82%) HTML
3 10 (58.82%) HTML5
4 8 (47.06%) WCF
5 7 (41.18%) ActiveMQ
6 5 (29.41%) ASP.NET
6 5 (29.41%) Web Services
7 4 (23.53%) Akka
7 4 (23.53%) ASP.NET MVC
7 4 (23.53%) CSS
7 4 (23.53%) CSS3
7 4 (23.53%) LINQ
7 4 (23.53%) MSMQ
7 4 (23.53%) RabbitMQ
7 4 (23.53%) SOAP
7 4 (23.53%) Task Parallel Library
7 4 (23.53%) XML
8 3 (17.65%) AngularJS
9 1 (5.88%) Protocol Buffers
Miscellaneous
1 5 (29.41%) Hedge funds
1 5 (29.41%) Xbox
2 1 (5.88%) Algorithms
2 1 (5.88%) Computer Science
2 1 (5.88%) Data Structures
2 1 (5.88%) Equities
2 1 (5.88%) Fintech
Processes & Methodologies
1 14 (82.35%) Multithreading
2 9 (52.94%) Software Engineering
2 9 (52.94%) TDD
3 7 (41.18%) Agile Software Development
4 6 (35.29%) Microservices
5 5 (29.41%) Continuous Integration
5 5 (29.41%) Low Latency
5 5 (29.41%) Open Source
6 4 (23.53%) CQRS
6 4 (23.53%) DevOps
6 4 (23.53%) Domain-Driven Design
6 4 (23.53%) Functional Programming
6 4 (23.53%) MVC
7 3 (17.65%) OO
7 3 (17.65%) Software Delivery
8 2 (11.76%) SDLC
9 1 (5.88%) Analytics
9 1 (5.88%) Information Architecture
9 1 (5.88%) MVVM
9 1 (5.88%) Test Automation
Programming Languages
1 16 (94.12%) C#
2 10 (58.82%) SQL
3 9 (52.94%) F#
4 7 (41.18%) JavaScript
5 5 (29.41%) Java
6 4 (23.53%) C
6 4 (23.53%) C++
6 4 (23.53%) Python
6 4 (23.53%) T-SQL
Quality Assurance & Compliance
1 1 (5.88%) QA
Vendors
1 5 (29.41%) Microsoft
2 1 (5.88%) Google
2 1 (5.88%) TIBCO
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