Period
to 19 November 2017

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 6 months to 19 November 2017 with a comparison to the same period in the previous 2 years.

Reactive Extensions for .NET (Rx.NET)
UK > England
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 1027 1125 1182
Rank change year-on-year +98 +57 +42
Permanent jobs citing Reactive Extensions 121 64 85
As % of all permanent IT jobs advertised in England 0.072% 0.036% 0.041%
As % of the Libraries, Frameworks & Software Standards category 0.18% 0.092% 0.11%
Number of salaries quoted 76 63 83
England median annual salary £57,500 £52,500 £80,000
Median salary % change year-on-year +9.52% -34.38% +33.33%
10th Percentile £46,250 £40,625 £36,750
90th Percentile £80,000 £90,000 £105,750
UK median annual salary £57,500 £52,500 £80,000
% change year-on-year +9.52% -34.38% +33.33%

Reactive Extensions is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in England with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
England
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 67321 69556 78476
As % of all permanent IT jobs advertised in England 40.29% 39.06% 38.17%
Number of salaries quoted 56363 60842 67678
England median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £29,750 £28,750 £27,500
90th Percentile £77,500 £77,500 £75,000
UK median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% +1.12%

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 6 months to 19 November 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 6 months to 19 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +55 73 £70,000 -16.42% 5
South West - 29 £55,000 - 2
East of England +20 13 £58,750 +23.68%
West Midlands - 5 £27,500 -
Midlands - 5 £27,500 -
South East +28 1 £67,500 +42.11%
Reactive Extensions
UK

For the 6 months to 19 November 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 72 (59.50%) Agile Software Development
2 62 (51.24%) C#
3 59 (48.76%) .NET
3 59 (48.76%) Multithreading
4 55 (45.45%) TDD
5 52 (42.98%) Computer Science
6 50 (41.32%) Algorithms
7 48 (39.67%) RESTful
8 47 (38.84%) Git (software)
9 46 (38.02%) Android
10 45 (37.19%) Android Development
10 45 (37.19%) Data Structures
11 43 (35.54%) Akka
11 43 (35.54%) F#
11 43 (35.54%) Dependency Injection
12 42 (34.71%) MVVM
13 40 (33.06%) Finance
14 38 (31.40%) Games
14 38 (31.40%) SQL
14 38 (31.40%) E-Commerce
15 37 (30.58%) OOD
15 37 (30.58%) OOA/OOD
15 37 (30.58%) Algorithmic Trading
16 36 (29.75%) WPF
17 33 (27.27%) Kotlin
18 30 (24.79%) Google Play
19 28 (23.14%) Google
20 26 (21.49%) GitHub
21 25 (20.66%) Java
22 22 (18.18%) Digital Marketing

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 2 (1.65%) MTS
2 1 (0.83%) IIS
2 1 (0.83%) NServiceBus
Cloud Services
1 30 (24.79%) Google Play
2 26 (21.49%) GitHub
3 1 (0.83%) Amazon AWS
3 1 (0.83%) Microsoft Azure
Communications & Networking
1 1 (0.83%) AMQP
Database & Business Intelligence
1 9 (7.44%) SQL Server
2 5 (4.13%) Big Data
2 5 (4.13%) SSDT
3 3 (2.48%) Mixpanel
4 2 (1.65%) Redis
4 2 (1.65%) SQLite
5 1 (0.83%) Apache Cassandra
5 1 (0.83%) Azure SQL Database
5 1 (0.83%) Couchbase
5 1 (0.83%) CouchDB
5 1 (0.83%) Event Store
5 1 (0.83%) KDB
5 1 (0.83%) NoSQL
5 1 (0.83%) PostgreSQL
5 1 (0.83%) RavenDB
5 1 (0.83%) Relational Database
Development Applications
1 47 (38.84%) Git (software)
2 15 (12.40%) Gradle
3 6 (4.96%) NUnit
3 6 (4.96%) TeamCity
4 5 (4.13%) JUnit
4 5 (4.13%) Moq
4 5 (4.13%) MSTest
5 4 (3.31%) Subversion
6 3 (2.48%) Crashlytics
6 3 (2.48%) JIRA
7 1 (0.83%) JSUnit
7 1 (0.83%) Mocha
7 1 (0.83%) SpecFlow
General
1 40 (33.06%) Finance
2 38 (31.40%) Games
3 22 (18.18%) Electronics
3 22 (18.18%) Manufacturing
3 22 (18.18%) Marketing
3 22 (18.18%) Telecoms
4 10 (8.26%) Retail
5 6 (4.96%) Banking
5 6 (4.96%) Front Office
6 3 (2.48%) Investment Banking
Job Titles
1 84 (69.42%) Developer
2 56 (46.28%) C# Developer
3 23 (19.01%) Android Developer
4 22 (18.18%) Android Engineer
5 13 (10.74%) .NET Developer
5 13 (10.74%) Senior Software Test Engineer
5 13 (10.74%) Senior Test Engineer
5 13 (10.74%) Software Test Engineer
5 13 (10.74%) Test Engineer
6 11 (9.09%) C# .NET Developer
7 5 (4.13%) C# WPF Developer
7 5 (4.13%) Front Office Developer
7 5 (4.13%) Graduate
7 5 (4.13%) Graduate Developer
7 5 (4.13%) Graduate Software Developer
7 5 (4.13%) Junior
7 5 (4.13%) Junior Developer
7 5 (4.13%) Programmer
7 5 (4.13%) Software Developer
7 5 (4.13%) WPF Developer
Libraries, Frameworks & Software Standards
1 59 (48.76%) .NET
2 48 (39.67%) RESTful
3 43 (35.54%) Akka
4 36 (29.75%) WPF
5 16 (13.22%) Android SDK
6 13 (10.74%) iOS SDK
6 13 (10.74%) Material Design
7 11 (9.09%) RabbitMQ
8 10 (8.26%) Task Parallel Library
8 10 (8.26%) WCF
9 9 (7.44%) REST
10 6 (4.96%) .NET Framework
10 6 (4.96%) Entity Framework
10 6 (4.96%) HTML
10 6 (4.96%) HTML5
10 6 (4.96%) Middleware
11 5 (4.13%) LINQ
11 5 (4.13%) ReactiveX
11 5 (4.13%) SignalR
11 5 (4.13%) WinForms
Miscellaneous
1 52 (42.98%) Computer Science
2 50 (41.32%) Algorithms
3 45 (37.19%) Data Structures
4 22 (18.18%) User Experience
5 8 (6.61%) Greenfield Project
6 6 (4.96%) Hedge funds
7 5 (4.13%) Equities
8 4 (3.31%) Credit Derivative
8 4 (3.31%) Derivative
8 4 (3.31%) Fixed Income
8 4 (3.31%) Foreign Exchange (FX)
9 3 (2.48%) Fintech
9 3 (2.48%) Mobile App
10 2 (1.65%) Xbox
11 1 (0.83%) Blog
Operating Systems
1 46 (38.02%) Android
2 14 (11.57%) Apple iOS
3 4 (3.31%) Windows
4 1 (0.83%) Windows Server
4 1 (0.83%) Windows Server 2012
Processes & Methodologies
1 72 (59.50%) Agile Software Development
2 59 (48.76%) Multithreading
3 55 (45.45%) TDD
4 45 (37.19%) Android Development
5 43 (35.54%) Dependency Injection
6 42 (34.71%) MVVM
7 38 (31.40%) E-Commerce
8 37 (30.58%) Algorithmic Trading
8 37 (30.58%) OOA/OOD
8 37 (30.58%) OOD
9 22 (18.18%) Business Intelligence
9 22 (18.18%) Digital Marketing
9 22 (18.18%) Programme Management
10 14 (11.57%) Mathematics
10 14 (11.57%) OO
10 14 (11.57%) Test Automation
11 13 (10.74%) Manual Testing
11 13 (10.74%) Software Testing
11 13 (10.74%) Statistics
11 13 (10.74%) Usability Testing
Programming Languages
1 62 (51.24%) C#
2 43 (35.54%) F#
3 38 (31.40%) SQL
4 33 (27.27%) Kotlin
5 25 (20.66%) Java
6 13 (10.74%) Ruby
7 12 (9.92%) C++
8 11 (9.09%) Apple Swift
9 9 (7.44%) XAML
10 6 (4.96%) Python
11 1 (0.83%) JavaScript
11 1 (0.83%) PowerShell
11 1 (0.83%) T-SQL
Qualifications
1 20 (16.53%) Degree
2 5 (4.13%) Computer Science Degree
System Software
1 1 (0.83%) Docker
Systems Management
1 1 (0.83%) Opscode Chef
1 1 (0.83%) Puppet
Vendors
1 28 (23.14%) Google
2 22 (18.18%) SAP
3 10 (8.26%) Microsoft
4 5 (4.13%) TOWER Software
4 5 (4.13%) Xamarin
5 2 (1.65%) Bloomberg
5 2 (1.65%) eSpeed
5 2 (1.65%) Sybase
5 2 (1.65%) TIBCO
5 2 (1.65%) Tradeweb
6 1 (0.83%) Sitecore