The table below looks at the statistics for Reactive Extensions skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited Reactive Extensions over the 3 months to 4 December 2016 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
4 Dec 2016
Same period 2015 Same period 2014
Reactive Extensions (Rx)
Rank 409 383 402
Rank change year-on-year
-26 +19
Contract jobs citing Reactive Extensions 17 43 23
As % of all contract IT jobs located in London 0.080% 0.19% 0.096%
As % of the Libraries, Frameworks & Software Standards category 0.23% 0.58% 0.31%
Number of daily rates quoted 15 38 19
Median daily rate £550 £500 £650
Median daily rate % change year-on-year
+10.00% -23.07%
90% offered a daily rate of more than £500 £425 £563
10% offered a daily rate of more than £650 £565 £700
UK excluding London median daily rate - £363 £375
% change year-on-year
- -3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
Reactive Extensions
England

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 London region.

Libraries, Frameworks & Software Standards Category
London
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
7499 7453 7343
As % of all contract IT jobs located in London 35.10% 32.93% 30.63%
Number of daily rates quoted 5648 5651 5580
Median daily rate £451 £450 £425
Median daily rate % change year-on-year
+0.11% +5.88%
90% offered a daily rate of more than £340 £325 £300
10% offered a daily rate of more than £600 £588 £575
UK excluding London median daily rate £380 £375 £350
% change year-on-year
+1.33% +7.14%
Number of hourly rates quoted 28 44 38
Median hourly rate £45.00 £24.23 £37.50
Median hourly rate % change year-on-year
+85.72% -35.38%
90% offered a hourly rate of more than £27.50 £20.50 £16.60
10% offered a hourly rate of more than £52.00 £50.00 £70.00
UK excluding London median hourly rate £40.00 £37.50 £35.00
% change year-on-year
+6.66% +7.14%

Reactive Extensions
Jobs Demand Trend in London

The demand trend of contract jobs across the London 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 London

Reactive Extensions
Daily Rate Trend in London

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

Reactive Extensions Daily Rate Trend in London

Reactive Extensions
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Reactive Extensions across the London region over the 3 months to 4 December 2016.

Reactive Extensions Daily Rate Histogram in London

Reactive Extensions
Contract Job Locations in London

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 London region over the 3 months to 4 December 2016. 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
(Click see detailed
statistics and trends)
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
City of London -11 3 £600 +41.17% 1
Reactive Extensions
England

Reactive Extensions
Top 30 Related IT Skills in London

For the 6 months to 4 December 2016, 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 London region with a requirement for Reactive Extensions.

1 28 (93.33%) C#
2 25 (83.33%) .NET
3 24 (80.00%) WPF
4 23 (76.67%) MVVM
5 18 (60.00%) Agile Software Development
6 17 (56.67%) Front Office
7 16 (53.33%) JavaScript
7 16 (53.33%) Finance
7 16 (53.33%) Multithreading
8 15 (50.00%) Banking
8 15 (50.00%) SQL
9 14 (46.67%) Investment Banking
9 14 (46.67%) AngularJS
9 14 (46.67%) React
10 12 (40.00%) ASP.NET Web API
10 12 (40.00%) TDD
10 12 (40.00%) Foreign Exchange (FX)
11 11 (36.67%) HTML
11 11 (36.67%) NancyFx
11 11 (36.67%) HTML5
12 10 (33.33%) Java
12 10 (33.33%) NUnit
13 9 (30.00%) Scrum
13 9 (30.00%) NoSQL
14 8 (26.67%) BDD
14 8 (26.67%) Continuous Improvement
14 8 (26.67%) RESTful
14 8 (26.67%) OO
14 8 (26.67%) OOD
15 7 (23.33%) Microsoft

Reactive Extensions
Top Related IT Skills in London 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 (16.67%) Apache Spark
2 2 (6.67%) Confluence
Applications
1 3 (10.00%) MS Excel
Cloud Services
1 4 (13.33%) Microsoft Azure
Communications & Networking
1 3 (10.00%) AMQP
Database & Business Intelligence
1 9 (30.00%) NoSQL
2 7 (23.33%) MongoDB
2 7 (23.33%) Relational Database
3 6 (20.00%) SQL Server
4 5 (16.67%) Big Data
5 4 (13.33%) Azure SQL Database
5 4 (13.33%) Redis
6 2 (6.67%) DB2
7 1 (3.33%) RDBMS
Development Applications
1 10 (33.33%) NUnit
2 6 (20.00%) SpecFlow
3 5 (16.67%) Git (software)
3 5 (16.67%) Gradle
3 5 (16.67%) Maven
3 5 (16.67%) Mockito
3 5 (16.67%) Subversion
4 3 (10.00%) JIRA
4 3 (10.00%) TeamCity
4 3 (10.00%) Visual Studio
5 2 (6.67%) Bower
5 2 (6.67%) Gerrit
5 2 (6.67%) Jasmine
5 2 (6.67%) Jenkins
5 2 (6.67%) JSUnit
5 2 (6.67%) Mocha
5 2 (6.67%) Moq
5 2 (6.67%) QUnit
5 2 (6.67%) Rhino Mocks
5 2 (6.67%) Toad
General
1 17 (56.67%) Front Office
2 16 (53.33%) Finance
3 15 (50.00%) Banking
4 14 (46.67%) Investment Banking
Job Titles
1 29 (96.67%) Developer
2 20 (66.67%) C# Developer
3 8 (26.67%) .NET Developer
4 6 (20.00%) C# .NET Developer
4 6 (20.00%) C# WPF Developer
4 6 (20.00%) Java Developer
4 6 (20.00%) JavaScript Developer
4 6 (20.00%) WPF Developer
5 5 (16.67%) UI Developer
6 4 (13.33%) Agile C# Developer
6 4 (13.33%) Agile Developer
6 4 (13.33%) Agile Java Developer
7 3 (10.00%) Azure Developer
7 3 (10.00%) Front Office Developer
7 3 (10.00%) Full Stack Developer
7 3 (10.00%) GUI Developer
7 3 (10.00%) Senior Developer
8 2 (6.67%) ASP.NET Developer
8 2 (6.67%) C# ASP.NET Developer
8 2 (6.67%) Senior UI Developer
Libraries, Frameworks & Software Standards
1 25 (83.33%) .NET
2 24 (80.00%) WPF
3 14 (46.67%) AngularJS
3 14 (46.67%) React
4 12 (40.00%) ASP.NET Web API
5 11 (36.67%) HTML
5 11 (36.67%) HTML5
5 11 (36.67%) NancyFx
6 8 (26.67%) RESTful
7 7 (23.33%) ASP.NET
8 6 (20.00%) .NET Framework
9 5 (16.67%) Spring
9 5 (16.67%) Spring Boot
10 4 (13.33%) ASP.NET MVC
10 4 (13.33%) JMS
10 4 (13.33%) SignalR
10 4 (13.33%) Task Parallel Library
10 4 (13.33%) Web Services
11 3 (10.00%) KnockoutJS
11 3 (10.00%) Node.js
Miscellaneous
1 12 (40.00%) Foreign Exchange (FX)
2 6 (20.00%) Analytical Skills
3 5 (16.67%) Fixed Income
4 4 (13.33%) Algorithms
4 4 (13.33%) Data Structures
4 4 (13.33%) Fintech
5 3 (10.00%) Computer Science
5 3 (10.00%) Economics
6 2 (6.67%) Equities
6 2 (6.67%) Inversion of Control
6 2 (6.67%) N-Tier
6 2 (6.67%) Visualisation
7 1 (3.33%) Derivative
7 1 (3.33%) User Experience
7 1 (3.33%) Virtual Team
Operating Systems
1 1 (3.33%) Android
Processes & Methodologies
1 23 (76.67%) MVVM
2 18 (60.00%) Agile Software Development
3 16 (53.33%) Multithreading
4 12 (40.00%) TDD
5 9 (30.00%) Scrum
6 8 (26.67%) BDD
6 8 (26.67%) Continuous Improvement
6 8 (26.67%) OO
6 8 (26.67%) OOD
7 7 (23.33%) Pair Programming
7 7 (23.33%) SDLC
7 7 (23.33%) Technical Analysis
8 6 (20.00%) Electronic Trading
9 5 (16.67%) Algorithmic Trading
9 5 (16.67%) Unit Testing
10 4 (13.33%) Continuous Integration
10 4 (13.33%) MVC
10 4 (13.33%) OOP
10 4 (13.33%) Software Architecture
10 4 (13.33%) Software Engineering
Programming Languages
1 28 (93.33%) C#
2 16 (53.33%) JavaScript
3 15 (50.00%) SQL
4 10 (33.33%) Java
5 7 (23.33%) XAML
6 2 (6.67%) ES6
Qualifications
1 4 (13.33%) Degree
Quality Assurance & Compliance
1 1 (3.33%) QA
Vendors
1 7 (23.33%) Microsoft
2 2 (6.67%) Infragistics
2 2 (6.67%) Oracle
2 2 (6.67%) Syncfusion
3 1 (3.33%) Bloomberg
City, London
McGregor Boyall
Rate: £51 - £600 per day + depending on experience
Posted: 5 days ago