The table below looks at the statistics for Reactive Extensions skills in IT contracts advertised for the England region. Included is a guide to the contractor rates offered in IT contracts that have cited Reactive Extensions over the 3 months to 24 January 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
24 Jan 2017
Same period 2016 Same period 2015
Reactive Extensions (Rx)
UK / England
Rank 533 556 565
Rank change year-on-year
+23 +9
Contract jobs citing Reactive Extensions 35 34 11
As % of all contract IT jobs located in England 0.084% 0.074% 0.024%
As % of the Libraries, Frameworks & Software Standards category 0.27% 0.25% 0.088%
Number of daily rates quoted 33 31 8
Median daily rate £600 £500 £594
Median daily rate % change year-on-year
+20.00% -15.78%
90% offered a daily rate of more than £500 £425 £450
10% offered a daily rate of more than £650 £648 £658
UK excluding London median daily rate - - -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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

Libraries, Frameworks & Software Standards Category
England
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
12901 13395 12488
As % of all contract IT jobs located in England 31.06% 29.24% 27.48%
Number of daily rates quoted 8910 9355 8519
Median daily rate £425 £413 £400
Median daily rate % change year-on-year
+3.03% +3.12%
90% offered a daily rate of more than £310 £300 £275
10% offered a daily rate of more than £575 £550 £550
UK excluding London median daily rate £375 £370 £350
% change year-on-year
+1.35% +5.71%
Number of hourly rates quoted 150 241 168
Median hourly rate £37.50 £40.00 £33.50
Median hourly rate % change year-on-year
-6.25% +19.40%
90% offered a hourly rate of more than £20.00 £21.50 £20.93
10% offered a hourly rate of more than £50.00 £57.00 £51.50
UK excluding London median hourly rate £37.50 £38.00 £33.50
% change year-on-year
-1.31% +13.43%

Reactive Extensions
Jobs Demand Trend in England

The demand trend of contract jobs across the England region citing Reactive Extensions as a proportion of all IT contracts with a match in the Libraries, Frameworks & Software Standards category.

Reactive Extensions Jobs Demand Trend in England

Reactive Extensions
Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Reactive Extensions across the England region.

Reactive Extensions Daily Rate Trend in England

Reactive Extensions
Daily Rate Histogram in England

This chart provides a histogram of daily rates quoted in contract IT jobs citing Reactive Extensions across the England region over the 3 months to 24 January 2017.

Reactive Extensions Daily Rate Histogram in England

Reactive Extensions
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Reactive Extensions within the England region over the 3 months to 24 January 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
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +5 35 £600 +20.00%
Reactive Extensions
UK

Reactive Extensions
Top 30 Related IT Skills in England

For the 6 months to 24 January 2017, IT contractor 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 contract ads across the England region with a requirement for Reactive Extensions.

1 37 (94.87%) C#
2 34 (87.18%) .NET
3 33 (84.62%) WPF
3 33 (84.62%) MVVM
4 29 (74.36%) JavaScript
5 27 (69.23%) SQL
6 26 (66.67%) AngularJS
6 26 (66.67%) React
7 24 (61.54%) NancyFx
8 23 (58.97%) ASP.NET Web API
9 20 (51.28%) NoSQL
10 19 (48.72%) TDD
11 18 (46.15%) Agile Software Development
12 17 (43.59%) ASP.NET
13 16 (41.03%) SQL Server
13 16 (41.03%) Finance
13 16 (41.03%) Azure SQL Database
13 16 (41.03%) BDD
13 16 (41.03%) SignalR
13 16 (41.03%) Microsoft Azure
14 15 (38.46%) Git (software)
14 15 (38.46%) SpecFlow
14 15 (38.46%) Fintech
14 15 (38.46%) Subversion
14 15 (38.46%) Foreign Exchange (FX)
15 14 (35.90%) MSMQ
15 14 (35.90%) Angular 2
15 14 (35.90%) Microservices
15 14 (35.90%) WebSockets
15 14 (35.90%) AMQP

Reactive Extensions
Top Related 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 7 (17.95%) Apache Spark
2 1 (2.56%) SharePoint
2 1 (2.56%) SharePoint 2013
Applications
1 2 (5.13%) MS Excel
Cloud Services
1 16 (41.03%) Microsoft Azure
Communications & Networking
1 14 (35.90%) AMQP
Database & Business Intelligence
1 20 (51.28%) NoSQL
2 16 (41.03%) Azure SQL Database
2 16 (41.03%) SQL Server
3 8 (20.51%) MongoDB
3 8 (20.51%) Relational Database
4 7 (17.95%) Big Data
5 6 (15.38%) Redis
6 1 (2.56%) Oracle Database
6 1 (2.56%) Oracle Database 10g
6 1 (2.56%) RDBMS
Development Applications
1 15 (38.46%) Git (software)
1 15 (38.46%) SpecFlow
1 15 (38.46%) Subversion
2 10 (25.64%) NUnit
3 7 (17.95%) Gradle
3 7 (17.95%) Maven
3 7 (17.95%) Mockito
4 1 (2.56%) Rhino Mocks
General
1 16 (41.03%) Finance
2 12 (30.77%) Banking
2 12 (30.77%) Front Office
3 11 (28.21%) Investment Banking
Job Titles
1 39 (100.00%) Developer
2 30 (76.92%) C# Developer
3 15 (38.46%) WPF Developer
4 14 (35.90%) C# WPF Developer
5 13 (33.33%) Angular Developer
6 11 (28.21%) .NET Developer
7 10 (25.64%) C# .NET Developer
8 9 (23.08%) ASP.NET Developer
8 9 (23.08%) C# ASP.NET Developer
8 9 (23.08%) JavaScript Developer
9 8 (20.51%) Azure Developer
10 7 (17.95%) Java Developer
11 6 (15.38%) Agile C# Developer
11 6 (15.38%) Agile Developer
11 6 (15.38%) Agile Java Developer
12 5 (12.82%) Senior Developer
13 4 (10.26%) GUI Developer
13 4 (10.26%) UI Developer
14 3 (7.69%) Front Office Developer
14 3 (7.69%) Senior UI Developer
Libraries, Frameworks & Software Standards
1 34 (87.18%) .NET
2 33 (84.62%) WPF
3 26 (66.67%) AngularJS
3 26 (66.67%) React
4 24 (61.54%) NancyFx
5 23 (58.97%) ASP.NET Web API
6 17 (43.59%) ASP.NET
7 16 (41.03%) SignalR
8 14 (35.90%) Angular 2
8 14 (35.90%) MSMQ
8 14 (35.90%) WebSockets
9 11 (28.21%) RESTful
10 9 (23.08%) HTML
10 9 (23.08%) HTML5
11 7 (17.95%) .NET Framework
11 7 (17.95%) Spring
11 7 (17.95%) Spring Boot
12 3 (7.69%) ASP.NET MVC
12 3 (7.69%) Task Parallel Library
13 2 (5.13%) KnockoutJS
Miscellaneous
1 15 (38.46%) Fintech
1 15 (38.46%) Foreign Exchange (FX)
2 4 (10.26%) Analytical Skills
2 4 (10.26%) Fixed Income
3 2 (5.13%) Economics
4 1 (2.56%) Algorithms
4 1 (2.56%) Computer Science
4 1 (2.56%) Credit Risk
4 1 (2.56%) Data Structures
4 1 (2.56%) Hedge funds
4 1 (2.56%) User Experience
4 1 (2.56%) Virtual Team
4 1 (2.56%) Visualisation
Operating Systems
1 1 (2.56%) Android
1 1 (2.56%) Unix
Processes & Methodologies
1 33 (84.62%) MVVM
2 19 (48.72%) TDD
3 18 (46.15%) Agile Software Development
4 16 (41.03%) BDD
5 14 (35.90%) Microservices
6 12 (30.77%) Multithreading
7 9 (23.08%) Domain-Driven Design
7 9 (23.08%) SDLC
8 8 (20.51%) Continuous Improvement
8 8 (20.51%) Pair Programming
8 8 (20.51%) Scrum
8 8 (20.51%) Technical Analysis
9 7 (17.95%) OO
9 7 (17.95%) OOD
10 6 (15.38%) Electronic Trading
11 3 (7.69%) Continuous Integration
11 3 (7.69%) CQRS
11 3 (7.69%) MVC
11 3 (7.69%) Software Engineering
12 2 (5.13%) Algorithmic Trading
Programming Languages
1 37 (94.87%) C#
2 29 (74.36%) JavaScript
3 27 (69.23%) SQL
4 13 (33.33%) Java
5 3 (7.69%) XAML
Qualifications
1 1 (2.56%) Degree
Quality Assurance & Compliance
1 1 (2.56%) QA
Vendors
1 3 (7.69%) Microsoft
2 1 (2.56%) Bloomberg
2 1 (2.56%) Oracle