The following table provides summary statistics for permanent job vacancies 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 27 June 2017 with a comparison to the same period in the previous 2 years.

Reactive Extensions for .NET (Rx.NET)
UK
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 852 891 955
Rank change year-on-year +39 +64  
Permanent jobs citing Reactive Extensions 38 41 27
As % of all permanent IT jobs advertised in the UK 0.043% 0.042% 0.025%
As % of the Libraries, Frameworks & Software Standards category 0.10% 0.11% 0.065%
Number of salaries quoted 26 40 26
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 £55,000 £39,950 £38,500
10% offered a salary of more than £85,000 £90,000 £82,500
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 with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
UK
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 36421 38335 41712
As % of all permanent IT job vacancies advertised in the UK 40.85% 38.93% 38.12%
Number of salaries quoted 30573 33333 35674
Median salary £47,500 £45,000 £45,000
Median salary % change year-on-year +5.55% -  
90% offered a salary of more than £32,500 £31,000 £30,000
10% offered a salary of more than £70,000 £65,000 £70,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +6.25% -  

Reactive Extensions
Job Vacancy Trend

The job posting trend of jobs advertised citing Reactive Extensions as a proportion of all permanent or contract IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Reactive Extensions in the UK

Reactive Extensions
Salary Trend

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

Salary trend for Reactive Extensions in the UK

Reactive Extensions
Salary Histogram

The salary distribution of IT jobs citing Reactive Extensions over the 3 months to 27 June 2017.

Salary histogram for Reactive Extensions in the UK

Reactive Extensions
Top 9 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Reactive Extensions within the UK over the 3 months to 27 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
England +42 38 £56,250 -2.17% 6
London +35 25 £62,500 -19.35% 5
Bristol - 12 £55,000 - 1
South West - 12 £55,000 - 1
City of London - 2 - - 1
Brentford - 2 £57,500 -
Bury St Edmunds +6 1 £42,500 -15.00%
Suffolk +3 1 £42,500 -15.00%
East of England -17 1 £42,500 +6.25%

For the 6 months to 27 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 with a requirement for Reactive Extensions.

1 50 (75.76%) C#
2 45 (68.18%) .NET
3 32 (48.48%) SQL
4 30 (45.45%) Agile Software Development
5 29 (43.94%) TDD
6 22 (33.33%) Multithreading
6 22 (33.33%) MVVM
6 22 (33.33%) AngularJS
7 20 (30.30%) Microsoft
8 19 (28.79%) Git (software)
9 18 (27.27%) RESTful
9 18 (27.27%) Finance
10 17 (25.76%) Games
10 17 (25.76%) HTML
10 17 (25.76%) F#
10 17 (25.76%) HTML5
10 17 (25.76%) Google
11 16 (24.24%) WPF
11 16 (24.24%) NoSQL
12 15 (22.73%) Kotlin
12 15 (22.73%) WCF
12 15 (22.73%) .NET Framework
12 15 (22.73%) Android
13 13 (19.70%) Test Automation
13 13 (19.70%) Software Engineering
13 13 (19.70%) JavaScript
13 13 (19.70%) Akka
13 13 (19.70%) Android Development
14 12 (18.18%) BDD
14 12 (18.18%) Google Play

Reactive Extensions
Co-occurring IT Skills 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 (7.58%) IIS
1 5 (7.58%) NServiceBus
2 1 (1.52%) Oracle SOA Suite
Applications
1 5 (7.58%) Microsoft Excel
1 5 (7.58%) Microsoft Office
Business Applications
1 11 (16.67%) SAP Oil and Gas
2 4 (6.06%) Dynamics CRM
3 2 (3.03%) RMDS
Cloud Services
1 12 (18.18%) Google Play
2 11 (16.67%) GitHub
3 7 (10.61%) Microsoft Azure
4 3 (4.55%) Amazon AWS
5 2 (3.03%) SaaS
Database & Business Intelligence
1 16 (24.24%) NoSQL
2 9 (13.64%) Event Store
2 9 (13.64%) SQL Server
3 7 (10.61%) Azure SQL Database
3 7 (10.61%) SQL Server Reporting Services
4 6 (9.09%) Redis
5 5 (7.58%) Apache Cassandra
5 5 (7.58%) Couchbase
5 5 (7.58%) CouchDB
5 5 (7.58%) MongoDB
5 5 (7.58%) RavenDB
6 3 (4.55%) Mixpanel
6 3 (4.55%) SQL Server 2008
6 3 (4.55%) SQLite
7 2 (3.03%) SQL Server Analysis Services
Development Applications
1 19 (28.79%) Git (software)
2 9 (13.64%) TeamCity
3 7 (10.61%) Atlassian Bamboo
4 6 (9.09%) JIRA
4 6 (9.09%) Subversion
5 5 (7.58%) JSUnit
6 4 (6.06%) Jenkins
6 4 (6.06%) Octopus Deploy
6 4 (6.06%) Team Foundation Server
7 3 (4.55%) Crashlytics
7 3 (4.55%) Gradle
7 3 (4.55%) NuGet
8 2 (3.03%) CodeRush
8 2 (3.03%) Jasmine
8 2 (3.03%) Karma Test Runner
8 2 (3.03%) Moq
8 2 (3.03%) MSTest
8 2 (3.03%) NUnit
8 2 (3.03%) ReSharper
8 2 (3.03%) SpecFlow
General
1 18 (27.27%) Finance
2 17 (25.76%) Games
3 11 (16.67%) Electronics
3 11 (16.67%) Manufacturing
3 11 (16.67%) Marketing
3 11 (16.67%) Telecoms
4 9 (13.64%) Banking
5 5 (7.58%) Pharmaceutical
6 3 (4.55%) Investment Banking
Job Titles
1 39 (59.09%) Developer
2 30 (45.45%) C# Developer
3 23 (34.85%) .NET Developer
4 18 (27.27%) C# .NET Developer
5 13 (19.70%) Android Engineer
6 7 (10.61%) SQL Developer
7 6 (9.09%) C# Software Engineer
7 6 (9.09%) Software Engineer
7 6 (9.09%) WPF Developer
8 5 (7.58%) QA Manager
8 5 (7.58%) Senior C# Software Engineer
8 5 (7.58%) Senior Developer
8 5 (7.58%) Senior Software Engineer
9 4 (6.06%) .NET Software Engineer
9 4 (6.06%) C# WPF Developer
9 4 (6.06%) DevOps Engineer
9 4 (6.06%) Senior .NET Developer
9 4 (6.06%) Senior .NET Software Engineer
9 4 (6.06%) Senior DevOps
9 4 (6.06%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 45 (68.18%) .NET
2 22 (33.33%) AngularJS
3 18 (27.27%) RESTful
4 17 (25.76%) HTML
4 17 (25.76%) HTML5
5 16 (24.24%) WPF
6 15 (22.73%) .NET Framework
6 15 (22.73%) WCF
7 13 (19.70%) Akka
8 11 (16.67%) React
9 10 (15.15%) CSS
9 10 (15.15%) REST
10 8 (12.12%) Entity Framework
10 8 (12.12%) Task Parallel Library
11 7 (10.61%) ASP.NET Web API
12 6 (9.09%) LESS
12 6 (9.09%) RxJS
13 5 (7.58%) Angular 2
13 5 (7.58%) Durandal
13 5 (7.58%) Web Services
Miscellaneous
1 11 (16.67%) Algorithms
2 10 (15.15%) Computer Science
3 9 (13.64%) Data Structures
4 8 (12.12%) User Experience
5 7 (10.61%) Enterprise Software
5 7 (10.61%) Hedge funds
6 6 (9.09%) Xbox
7 5 (7.58%) Fintech
8 4 (6.06%) Foreign Exchange (FX)
9 3 (4.55%) Blog
9 3 (4.55%) Credit Risk
9 3 (4.55%) Fixed Income
9 3 (4.55%) Market Risk
10 2 (3.03%) Greenfield Project
11 1 (1.52%) Equities
Operating Systems
1 15 (22.73%) Android
2 12 (18.18%) Windows
3 5 (7.58%) Windows Server
3 5 (7.58%) Windows Server 2012
4 3 (4.55%) Apple iOS
Processes & Methodologies
1 30 (45.45%) Agile Software Development
2 29 (43.94%) TDD
3 22 (33.33%) Multithreading
3 22 (33.33%) MVVM
4 13 (19.70%) Android Development
4 13 (19.70%) Software Engineering
4 13 (19.70%) Test Automation
5 12 (18.18%) BDD
5 12 (18.18%) Dependency Injection
6 11 (16.67%) Business Intelligence
6 11 (16.67%) Digital Marketing
6 11 (16.67%) Programme Management
7 10 (15.15%) DevOps
8 9 (13.64%) CQRS
8 9 (13.64%) Domain-Driven Design
8 9 (13.64%) SOA
8 9 (13.64%) SOLID
9 8 (12.12%) Algorithmic Trading
9 8 (12.12%) E-Commerce
9 8 (12.12%) OOA/OOD
Programming Languages
1 50 (75.76%) C#
2 32 (48.48%) SQL
3 17 (25.76%) F#
4 15 (22.73%) Kotlin
5 13 (19.70%) JavaScript
6 8 (12.12%) T-SQL
7 6 (9.09%) Java
8 5 (7.58%) PowerShell
9 2 (3.03%) C++
9 2 (3.03%) TypeScript
Qualifications
1 3 (4.55%) Degree
2 2 (3.03%) Computer Science Degree
Quality Assurance & Compliance
1 5 (7.58%) PMO
1 5 (7.58%) QA
System Software
1 9 (13.64%) Docker
Systems Management
1 5 (7.58%) Opscode Chef
1 5 (7.58%) Puppet
2 2 (3.03%) MOM
Vendors
1 20 (30.30%) Microsoft
2 17 (25.76%) Google
3 11 (16.67%) SAP
4 2 (3.03%) TIBCO
5 1 (1.52%) Oracle
5 1 (1.52%) Sitecore
London
Winston Fox
Salary: Up to £200k-£220k total comp or £800 per Day
Posted: 14 hours ago
City, London
Understanding Recruitment
Salary: £45000 - £65000 per annum + benefits
Posted: 2 days ago
London
Westbourne Partners
Salary: Up to £90,000 per annum
Posted: 4 days ago
London
McGregor Boyall
Salary: £60000 - £90000 per annum + Bonus
Posted: 6 days ago
London
Client Server
Salary: £80,000 to £90,000 + bonus + benefits
Posted: 27 days ago
Bristol
People Source Consulting
Salary: £40000 - £70000 per annum
Posted: 8 days ago