The table below looks at the statistics for Reactive Extensions skills in IT jobs advertised across the UK. Included is a guide to the salaries offered in IT jobs that have cited Reactive Extensions over the 3 months to 26 February 2017 with a comparison to the same period over the previous 2 years.

3 months to
26 Feb 2017
Same period 2016 Same period 2015
Reactive Extensions (Rx)
UK
Rank 826 901 923
Rank change year-on-year
+75 +22
Permanent jobs citing Reactive Extensions 26 48 26
As % of all permanent IT jobs located in the UK 0.031% 0.047% 0.024%
As % of the Libraries, Frameworks & Software Standards category 0.080% 0.12% 0.065%
Number of salaries quoted 23 48 20
Median salary £54,000 £85,000 £65,000
Median salary % change year-on-year
-36.47% +30.76%
90% offered a salary of more than £38,500 £38,500 £60,000
10% offered a salary of more than £90,000 £100,000 £75,500
UK excluding London median salary £43,750 £40,000 £45,500
% change year-on-year
+9.37% -12.08%

The following table is for comparison with the above and provides statistics for the entire Libraries, Frameworks & Software Standards category in permanent jobs advertised across the UK.

Libraries, Frameworks & Software Standards Category
UK
Permanent IT job ads with a match in the
Libraries, Frameworks & Software Standards category
32702 39205 39906
As % of all permanent IT jobs located in the UK 39.42% 38.28% 37.44%
Number of salaries quoted 28085 33754 34152
Median salary £45,000 £45,000 £42,500
Median salary % change year-on-year
- +5.88%
90% offered a salary of more than £32,500 £31,000 £30,000
10% offered a salary of more than £70,000 £65,000 £67,500
UK excluding London median salary £42,500 £42,000 £40,000
% change year-on-year
+1.19% +5.00%

Reactive Extensions
Jobs Demand Trend

The demand trend of job ads 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 the UK

Reactive Extensions
Salary Trend

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

Reactive Extensions Salary Trend in the UK

Reactive Extensions
Salary Histogram

This chart provides a salary histogram for IT jobs citing Reactive Extensions over the 3 months to 26 February 2017 within the UK.

Reactive Extensions Salary Histogram in the UK

Reactive Extensions
Top 13 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 26 February 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 +75 26 £54,000 -36.47% 9
London +51 12 £70,000 -22.22% 2
South East +72 10 £45,000 -25.00% 3
Surrey - 9 £45,000 -
Leatherhead - 9 £45,000 -
East of England - 4 £37,500 - 2
Bury St Edmunds - 2 £37,500 - 1
Watford - 2 - -
Suffolk - 2 £37,500 - 2
Hertfordshire - 2 - -
City of London +29 1 £90,000 -10.00%
Hampshire - 1 £37,500 - 2
Southampton - 1 £37,500 - 2

Reactive Extensions
Top 30 Related IT Skills

For the 6 months to 26 February 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 57 (96.61%) C#
2 54 (91.53%) .NET
3 49 (83.05%) SQL
4 46 (77.97%) TDD
5 43 (72.88%) Microsoft
6 42 (71.19%) HTML
6 42 (71.19%) HTML5
7 41 (69.49%) AngularJS
8 40 (67.80%) NoSQL
8 40 (67.80%) WCF
9 37 (62.71%) JavaScript
10 36 (61.02%) .NET Framework
11 35 (59.32%) Windows
12 34 (57.63%) Agile Software Development
12 34 (57.63%) DevOps
13 33 (55.93%) Event Store
13 33 (55.93%) Domain-Driven Design
13 33 (55.93%) Web Services
13 33 (55.93%) T-SQL
13 33 (55.93%) CSS
14 32 (54.24%) SQL Server
14 32 (54.24%) Redis
14 32 (54.24%) Couchbase
15 30 (50.85%) SOLID
15 30 (50.85%) Docker
16 29 (49.15%) MSMQ
16 29 (49.15%) SOA
16 29 (49.15%) Automated Testing
16 29 (49.15%) TeamCity
16 29 (49.15%) Entity Framework

Reactive Extensions
Top Related 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 28 (47.46%) IIS
1 28 (47.46%) NServiceBus
2 1 (1.69%) Oracle SOA Suite
Applications
1 4 (6.78%) MS Excel
2 3 (5.08%) MS Office
Business Applications
1 6 (10.17%) Dynamics CRM
2 1 (1.69%) RMDS
Cloud Services
1 28 (47.46%) Microsoft Azure
2 25 (42.37%) Amazon AWS
3 5 (8.47%) SaaS
Database & Business Intelligence
1 40 (67.80%) NoSQL
2 33 (55.93%) Event Store
3 32 (54.24%) Couchbase
3 32 (54.24%) Redis
3 32 (54.24%) SQL Server
4 28 (47.46%) Apache Cassandra
4 28 (47.46%) Azure SQL Database
4 28 (47.46%) CouchDB
4 28 (47.46%) RavenDB
5 7 (11.86%) SQL Server Reporting Services
6 5 (8.47%) MongoDB
7 3 (5.08%) Relational Database
8 1 (1.69%) Mixpanel
8 1 (1.69%) SQL Server 2008
8 1 (1.69%) SQL Server Analysis Services
8 1 (1.69%) SQLite
Development Applications
1 29 (49.15%) TeamCity
2 28 (47.46%) JSUnit
3 6 (10.17%) Team Foundation Server
4 3 (5.08%) Atlassian Bamboo
5 2 (3.39%) Git (software)
5 2 (3.39%) Jenkins
5 2 (3.39%) JIRA
5 2 (3.39%) Octopus Deploy
6 1 (1.69%) CodeRush
6 1 (1.69%) Crashlytics
6 1 (1.69%) Gradle
6 1 (1.69%) Jasmine
6 1 (1.69%) Karma Test Runner
6 1 (1.69%) NuGet
6 1 (1.69%) ReSharper
6 1 (1.69%) Subversion
6 1 (1.69%) Visual Studio
6 1 (1.69%) webpack
6 1 (1.69%) WebStorm
General
1 11 (18.64%) Games
2 7 (11.86%) Banking
3 3 (5.08%) Pharmaceutical
4 2 (3.39%) Finance
5 1 (1.69%) Front Office
5 1 (1.69%) Investment Banking
Job Titles
1 47 (79.66%) Developer
2 45 (76.27%) .NET Developer
3 33 (55.93%) C# Developer
4 32 (54.24%) C# .NET Developer
5 17 (28.81%) Agile .NET Developer
5 17 (28.81%) Agile C# Developer
5 17 (28.81%) Agile Developer
6 16 (27.12%) Senior .NET Developer
6 16 (27.12%) Senior Developer
7 11 (18.64%) C# Software Engineer
7 11 (18.64%) Software Engineer
8 10 (16.95%) .NET Software Engineer
8 10 (16.95%) Senior C# .NET Developer
8 10 (16.95%) Senior C# Developer
9 9 (15.25%) Senior Agile Developer
10 7 (11.86%) .NET Software Developer
11 6 (10.17%) C# Software Developer
11 6 (10.17%) Senior C# Software Engineer
11 6 (10.17%) WCF Developer
11 6 (10.17%) WPF Developer
Libraries, Frameworks & Software Standards
1 54 (91.53%) .NET
2 42 (71.19%) HTML
2 42 (71.19%) HTML5
3 41 (69.49%) AngularJS
4 40 (67.80%) WCF
5 36 (61.02%) .NET Framework
6 33 (55.93%) CSS
6 33 (55.93%) Web Services
7 29 (49.15%) Entity Framework
7 29 (49.15%) MSMQ
7 29 (49.15%) REST
8 28 (47.46%) ASP.NET Web API
8 28 (47.46%) Durandal
8 28 (47.46%) LESS
8 28 (47.46%) RxJS
9 14 (23.73%) WPF
10 10 (16.95%) ASP.NET
11 9 (15.25%) ASP.NET MVC
12 7 (11.86%) XML
13 6 (10.17%) ActiveMQ
Miscellaneous
1 28 (47.46%) User Experience
2 23 (38.98%) Blog
3 7 (11.86%) Enterprise Software
3 7 (11.86%) Hedge funds
4 6 (10.17%) Xbox
5 5 (8.47%) Algorithms
6 2 (3.39%) Fintech
7 1 (1.69%) Credit Risk
7 1 (1.69%) Fixed Income
7 1 (1.69%) Market Risk
Operating Systems
1 35 (59.32%) Windows
2 28 (47.46%) Windows Server
2 28 (47.46%) Windows Server 2012
3 1 (1.69%) Android
3 1 (1.69%) Apple iOS
Processes & Methodologies
1 46 (77.97%) TDD
2 34 (57.63%) Agile Software Development
2 34 (57.63%) DevOps
3 33 (55.93%) Domain-Driven Design
4 30 (50.85%) SOLID
5 29 (49.15%) Automated Testing
5 29 (49.15%) SOA
6 28 (47.46%) Infrastructure Management
6 28 (47.46%) Performance Tuning
6 28 (47.46%) Unit Testing
7 16 (27.12%) Multithreading
7 16 (27.12%) Software Engineering
8 14 (23.73%) MVC
9 10 (16.95%) Microservices
10 9 (15.25%) BDD
11 8 (13.56%) CQRS
11 8 (13.56%) Low Latency
12 7 (11.86%) MVVM
13 6 (10.17%) Continuous Integration
13 6 (10.17%) Open Source
Programming Languages
1 57 (96.61%) C#
2 49 (83.05%) SQL
3 37 (62.71%) JavaScript
4 33 (55.93%) T-SQL
5 28 (47.46%) PowerShell
6 11 (18.64%) F#
7 5 (8.47%) Java
8 4 (6.78%) C
8 4 (6.78%) C++
8 4 (6.78%) Python
9 1 (1.69%) Kotlin
9 1 (1.69%) TypeScript
Quality Assurance & Compliance
1 3 (5.08%) PMO
1 3 (5.08%) QA
System Software
1 30 (50.85%) Docker
Systems Management
1 28 (47.46%) Opscode Chef
1 28 (47.46%) Puppet
2 1 (1.69%) MOM
Vendors
1 43 (72.88%) Microsoft
2 2 (3.39%) Google
3 1 (1.69%) Oracle
3 1 (1.69%) TIBCO
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