The following table provides summary statistics for permanent job vacancies advertised in England with a requirement for Reactive Extensions skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Reactive Extensions over the 3 months to 28 June 2017 with a comparison to the same period in the previous 2 years.

Reactive Extensions for .NET (Rx.NET)
UK / England
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 827 873 930
Rank change year-on-year +46 +57  
Permanent jobs citing Reactive Extensions 38 41 26
As % of all permanent IT jobs advertised in England 0.045% 0.044% 0.025%
As % of the Libraries, Frameworks & Software Standards category 0.11% 0.11% 0.066%
Number of salaries quoted 26 40 25
Median salary £56,250 £57,500 £47,500
Median salary % change year-on-year -2.17% +21.05%  
90% offered a salary of more than £47,500 £35,000 £37,350
10% offered a salary of more than £82,500 £90,000 £85,250
UK excluding London median salary £55,000 £40,000 £47,500
% change year-on-year +37.50% -15.78%  

Reactive Extensions is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in England with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
England
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 34110 36244 39469
As % of all permanent IT job vacancies advertised in England 40.82% 39.22% 38.44%
Number of salaries quoted 132075 141862 153852
Median salary £47,500 £45,000 £45,000
Median salary % change year-on-year +5.55% -  
90% offered a salary of more than £30,000 £29,000 £27,500
10% offered a salary of more than £75,000 £68,750 £72,500
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +6.25% -  

Reactive Extensions
Job Vacancy Trend in England

Job postings citing Reactive Extensions as a percentage of all IT jobs advertised in England.

Job vacancy trend for Reactive Extensions in England

Reactive Extensions
Salary Trend in England

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

Salary trend for Reactive Extensions in England

Reactive Extensions
Salary Histogram in England

The salary distribution of IT jobs citing Reactive Extensions in England over the 3 months to 28 June 2017.

Salary histogram for Reactive Extensions in England

Reactive Extensions
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Reactive Extensions within the England region over the 3 months to 28 June 2017. 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 Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +31 25 £62,500 -19.35% 2
South West - 12 £55,000 - 1
East of England -14 1 £42,500 +6.25%
Reactive Extensions
UK

For the 6 months to 28 June 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 England region with a requirement for Reactive Extensions.

1 51 (76.12%) C#
2 46 (68.66%) .NET
3 32 (47.76%) SQL
4 30 (44.78%) Agile Software Development
5 29 (43.28%) TDD
6 23 (34.33%) Multithreading
7 22 (32.84%) MVVM
7 22 (32.84%) AngularJS
8 20 (29.85%) Microsoft
9 19 (28.36%) Git (software)
9 19 (28.36%) RESTful
10 18 (26.87%) Finance
11 17 (25.37%) Games
11 17 (25.37%) HTML
11 17 (25.37%) F#
11 17 (25.37%) HTML5
11 17 (25.37%) Google
11 17 (25.37%) WPF
12 16 (23.88%) WCF
12 16 (23.88%) .NET Framework
12 16 (23.88%) NoSQL
13 15 (22.39%) Kotlin
13 15 (22.39%) Android
14 14 (20.90%) Software Engineering
15 13 (19.40%) Test Automation
15 13 (19.40%) JavaScript
15 13 (19.40%) Akka
15 13 (19.40%) Android Development
16 12 (17.91%) BDD
16 12 (17.91%) Google Play

Reactive Extensions
Co-occurring 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 5 (7.46%) IIS
1 5 (7.46%) NServiceBus
2 1 (1.49%) Oracle SOA Suite
Applications
1 5 (7.46%) Microsoft Excel
1 5 (7.46%) Microsoft Office
Business Applications
1 11 (16.42%) SAP Oil and Gas
2 4 (5.97%) Dynamics CRM
3 2 (2.99%) RMDS
Cloud Services
1 12 (17.91%) Google Play
2 11 (16.42%) GitHub
3 7 (10.45%) Microsoft Azure
4 3 (4.48%) Amazon AWS
5 2 (2.99%) SaaS
Database & Business Intelligence
1 16 (23.88%) NoSQL
2 9 (13.43%) Event Store
2 9 (13.43%) SQL Server
3 7 (10.45%) Azure SQL Database
3 7 (10.45%) SQL Server Reporting Services
4 6 (8.96%) Redis
5 5 (7.46%) Apache Cassandra
5 5 (7.46%) Couchbase
5 5 (7.46%) CouchDB
5 5 (7.46%) MongoDB
5 5 (7.46%) RavenDB
6 3 (4.48%) Mixpanel
6 3 (4.48%) SQL Server 2008
6 3 (4.48%) SQLite
7 2 (2.99%) SQL Server Analysis Services
Development Applications
1 19 (28.36%) Git (software)
2 10 (14.93%) TeamCity
3 7 (10.45%) Atlassian Bamboo
4 6 (8.96%) JIRA
4 6 (8.96%) Subversion
5 5 (7.46%) JSUnit
6 4 (5.97%) Jenkins
6 4 (5.97%) Octopus Deploy
6 4 (5.97%) Team Foundation Server
7 3 (4.48%) Crashlytics
7 3 (4.48%) Gradle
7 3 (4.48%) JUnit
7 3 (4.48%) Moq
7 3 (4.48%) MSTest
7 3 (4.48%) NuGet
7 3 (4.48%) NUnit
8 2 (2.99%) CodeRush
8 2 (2.99%) Jasmine
8 2 (2.99%) ReSharper
8 2 (2.99%) SpecFlow
General
1 18 (26.87%) Finance
2 17 (25.37%) Games
3 11 (16.42%) Electronics
3 11 (16.42%) Manufacturing
3 11 (16.42%) Marketing
3 11 (16.42%) Telecoms
4 9 (13.43%) Banking
5 5 (7.46%) Pharmaceutical
6 3 (4.48%) Investment Banking
Job Titles
1 40 (59.70%) Developer
2 31 (46.27%) C# Developer
3 24 (35.82%) .NET Developer
4 19 (28.36%) C# .NET Developer
5 13 (19.40%) Android Engineer
6 7 (10.45%) SQL Developer
7 6 (8.96%) C# Software Engineer
7 6 (8.96%) Software Engineer
7 6 (8.96%) WPF Developer
8 5 (7.46%) QA Manager
8 5 (7.46%) Senior C# Software Engineer
8 5 (7.46%) Senior Developer
8 5 (7.46%) Senior Software Engineer
9 4 (5.97%) .NET Software Engineer
9 4 (5.97%) C# WPF Developer
9 4 (5.97%) DevOps Engineer
9 4 (5.97%) Senior .NET Developer
9 4 (5.97%) Senior .NET Software Engineer
9 4 (5.97%) Senior DevOps
9 4 (5.97%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 46 (68.66%) .NET
2 22 (32.84%) AngularJS
3 19 (28.36%) RESTful
4 17 (25.37%) HTML
4 17 (25.37%) HTML5
4 17 (25.37%) WPF
5 16 (23.88%) .NET Framework
5 16 (23.88%) WCF
6 13 (19.40%) Akka
7 11 (16.42%) React
8 10 (14.93%) CSS
8 10 (14.93%) REST
9 9 (13.43%) Entity Framework
9 9 (13.43%) Task Parallel Library
10 7 (10.45%) ASP.NET Web API
11 6 (8.96%) LESS
11 6 (8.96%) RxJS
12 5 (7.46%) Angular 2
12 5 (7.46%) Durandal
12 5 (7.46%) Web Services
Miscellaneous
1 11 (16.42%) Algorithms
1 11 (16.42%) Computer Science
2 9 (13.43%) Data Structures
3 8 (11.94%) Hedge funds
3 8 (11.94%) User Experience
4 7 (10.45%) Enterprise Software
5 6 (8.96%) Xbox
6 5 (7.46%) Fintech
7 4 (5.97%) Foreign Exchange (FX)
8 3 (4.48%) Blog
8 3 (4.48%) Credit Risk
8 3 (4.48%) Fixed Income
8 3 (4.48%) Market Risk
9 2 (2.99%) Greenfield Project
10 1 (1.49%) Equities
Operating Systems
1 15 (22.39%) Android
2 12 (17.91%) Windows
3 5 (7.46%) Windows Server
3 5 (7.46%) Windows Server 2012
4 3 (4.48%) Apple iOS
Processes & Methodologies
1 30 (44.78%) Agile Software Development
2 29 (43.28%) TDD
3 23 (34.33%) Multithreading
4 22 (32.84%) MVVM
5 14 (20.90%) Software Engineering
6 13 (19.40%) Android Development
6 13 (19.40%) Test Automation
7 12 (17.91%) BDD
7 12 (17.91%) Dependency Injection
8 11 (16.42%) Business Intelligence
8 11 (16.42%) Digital Marketing
8 11 (16.42%) Programme Management
9 10 (14.93%) DevOps
10 9 (13.43%) CQRS
10 9 (13.43%) Domain-Driven Design
10 9 (13.43%) SOA
10 9 (13.43%) SOLID
11 8 (11.94%) E-Commerce
11 8 (11.94%) OOA/OOD
11 8 (11.94%) OOD
Programming Languages
1 51 (76.12%) C#
2 32 (47.76%) SQL
3 17 (25.37%) F#
4 15 (22.39%) Kotlin
5 13 (19.40%) JavaScript
6 8 (11.94%) T-SQL
7 7 (10.45%) Java
8 5 (7.46%) PowerShell
9 3 (4.48%) C++
10 2 (2.99%) TypeScript
Qualifications
1 4 (5.97%) Degree
2 3 (4.48%) Computer Science Degree
Quality Assurance & Compliance
1 5 (7.46%) PMO
1 5 (7.46%) QA
System Software
1 9 (13.43%) Docker
Systems Management
1 5 (7.46%) Opscode Chef
1 5 (7.46%) Puppet
2 2 (2.99%) MOM
Vendors
1 20 (29.85%) Microsoft
2 17 (25.37%) Google
3 11 (16.42%) SAP
4 2 (2.99%) TIBCO
5 1 (1.49%) Oracle
5 1 (1.49%) Sitecore
City, London
Understanding Recruitment
Salary: £45000 - £65000 per annum + benefits
Posted: 3 days ago
London
Westbourne Partners
Salary: Up to £90,000 per annum
Posted: 5 days ago
Bristol
People Source Consulting
Salary: £40000 - £70000 per annum
Posted: 10 days ago