Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Reactive Extensions skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Reactive Extensions over the 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Reactive Extensions for .NET (Rx.NET)
UK > England
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 757 820 787
Rank change year-on-year +63 -33 -27
Contract jobs citing Reactive Extensions 105 35 79
As % of all contract IT jobs advertised in England 0.11% 0.036% 0.075%
As % of the Libraries, Frameworks & Software Standards category 0.34% 0.12% 0.26%
Number of daily rates quoted 98 31 67
England median daily rate £600 £550 £500
Median daily rate % change year-on-year +9.09% +10.00% -16.67%
10th Percentile £506 £369 £368
90th Percentile £688 £675 £653
UK median daily rate £600 £550 £500
% change year-on-year +9.09% +10.00% -11.11%
Number of hourly rates quoted 0 0 0
England median hourly rate - - -
UK median hourly rate - - -

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 contract job vacancies advertised in England with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
England
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 30628 29994 30248
As % of all contract IT jobs advertised in England 32.31% 30.75% 28.90%
Number of daily rates quoted 21785 20932 20975
England median daily rate £463 £425 £413
Median daily rate % change year-on-year +8.82% +3.03% +3.13%
10th Percentile £313 £300 £276
90th Percentile £625 £588 £588
UK median daily rate £450 £425 £410
% change year-on-year +5.88% +3.66% +2.50%
Number of hourly rates quoted 365 351 509
England median hourly rate £40.00 £37.50 £37.50
Median hourly rate % change year-on-year +6.67% - +10.29%
10th Percentile £18.85 £14.56 £14.68
90th Percentile £52.50 £50.00 £52.24
UK median hourly rate £40.00 £38.00 £37.50
% change year-on-year +5.26% +1.33% +8.70%

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
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for Reactive Extensions in England

Reactive Extensions
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Reactive Extensions in England over the 6 months to 24 November 2017.

Contractor daily rate histogram for Reactive Extensions 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 6 months to 24 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +68 103 £600 - 8
South East 0 1 £550 +10.00%
South West - 1 £390 - 1
Reactive Extensions
UK

For the 6 months to 24 November 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 95 (90.48%) C#
2 91 (86.67%) .NET
3 80 (76.19%) Agile Software Development
4 67 (63.81%) Finance
5 63 (60.00%) MVVM
6 56 (53.33%) JavaScript
7 55 (52.38%) Banking
8 52 (49.52%) NoSQL
9 51 (48.57%) MongoDB
10 49 (46.67%) AngularJS
10 49 (46.67%) WPF
11 47 (44.76%) Front Office
12 43 (40.95%) Subversion
13 39 (37.14%) React
14 38 (36.19%) Investment Banking
15 37 (35.24%) SQL
15 37 (35.24%) Foreign Exchange (FX)
16 32 (30.48%) Complex Event Processing
16 32 (30.48%) ASP.NET Web API
17 30 (28.57%) Greenfield Project
18 29 (27.62%) .NET Framework
19 28 (26.67%) Microsoft
20 27 (25.71%) BDD
20 27 (25.71%) Git (software)
20 27 (25.71%) Redux
21 26 (24.76%) Hedge funds
21 26 (24.76%) SignalR
21 26 (24.76%) SpecFlow
21 26 (24.76%) HTML
22 25 (23.81%) NUnit

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 25 (23.81%) NServiceBus
2 6 (5.71%) Apache Spark
Applications
1 1 (0.95%) Microsoft Excel
Business Applications
1 3 (2.86%) RMDS
Cloud Services
1 4 (3.81%) GitHub
2 1 (0.95%) Google Play
2 1 (0.95%) Microsoft Azure
Database & Business Intelligence
1 52 (49.52%) NoSQL
2 51 (48.57%) MongoDB
3 20 (19.05%) SQL Server
4 17 (16.19%) Relational Database
5 11 (10.48%) SQL Server Reporting Services
6 7 (6.67%) Big Data
7 6 (5.71%) Redis
7 6 (5.71%) SQL Server 2012
8 2 (1.90%) SQLite
9 1 (0.95%) Apache Cassandra
9 1 (0.95%) Azure SQL Database
9 1 (0.95%) DocumentDB
9 1 (0.95%) HBase
9 1 (0.95%) OLAP
9 1 (0.95%) Oracle Database
9 1 (0.95%) RDBMS
Development Applications
1 43 (40.95%) Subversion
2 27 (25.71%) Git (software)
3 26 (24.76%) SpecFlow
4 25 (23.81%) NUnit
5 17 (16.19%) Atlassian Bamboo
5 17 (16.19%) JIRA
6 7 (6.67%) Gradle
6 7 (6.67%) JUnit
6 7 (6.67%) Maven
6 7 (6.67%) Mockito
7 4 (3.81%) TeamCity
7 4 (3.81%) Visual Studio
8 2 (1.90%) CodeRush
8 2 (1.90%) ReSharper
9 1 (0.95%) MSBuild
9 1 (0.95%) NuGet
9 1 (0.95%) Team Foundation Server
General
1 67 (63.81%) Finance
2 55 (52.38%) Banking
3 47 (44.76%) Front Office
4 38 (36.19%) Investment Banking
5 2 (1.90%) Pharmaceutical
5 2 (1.90%) Retail
6 1 (0.95%) Electronics
6 1 (0.95%) Manufacturing
6 1 (0.95%) Marketing
6 1 (0.95%) Telecoms
Job Titles
1 104 (99.05%) Developer
2 81 (77.14%) C# Developer
3 32 (30.48%) WPF Developer
4 31 (29.52%) Full Stack Developer
5 29 (27.62%) C# WPF Developer
6 20 (19.05%) Senior Developer
7 18 (17.14%) JavaScript Developer
8 17 (16.19%) Lead Developer
9 16 (15.24%) Credit Risk Developer
10 14 (13.33%) Lead C# Developer
11 13 (12.38%) Angular Developer
12 12 (11.43%) Tools Developer
13 10 (9.52%) Market Risk Developer
14 9 (8.57%) C# WCF Developer
14 9 (8.57%) WCF Developer
15 8 (7.62%) .NET Developer
15 8 (7.62%) C# Developer - Electronic Trading
15 8 (7.62%) Electronic Trading Developer
15 8 (7.62%) Senior .NET Developer
15 8 (7.62%) Senior WPF Developer
Libraries, Frameworks & Software Standards
1 91 (86.67%) .NET
2 49 (46.67%) AngularJS
2 49 (46.67%) WPF
3 39 (37.14%) React
4 32 (30.48%) ASP.NET Web API
5 29 (27.62%) .NET Framework
6 27 (25.71%) Redux
7 26 (24.76%) HTML
7 26 (24.76%) SignalR
8 25 (23.81%) Akka
8 25 (23.81%) Angular 2
8 25 (23.81%) Kafka
8 25 (23.81%) RabbitMQ
8 25 (23.81%) WebSockets
9 24 (22.86%) HTML5
10 23 (21.90%) Task Parallel Library
11 20 (19.05%) WCF
12 18 (17.14%) ASP.NET
13 17 (16.19%) RESTful
14 12 (11.43%) NancyFx
Miscellaneous
1 37 (35.24%) Foreign Exchange (FX)
2 30 (28.57%) Greenfield Project
3 26 (24.76%) Hedge funds
4 20 (19.05%) Fixed Income
5 18 (17.14%) Market Risk
6 17 (16.19%) Credit Risk
6 17 (16.19%) Enterprise Software
7 4 (3.81%) User Experience
8 3 (2.86%) Analytical Skills
8 3 (2.86%) Virtual Team
9 2 (1.90%) Derivative
9 2 (1.90%) Fintech
10 1 (0.95%) Clustering
10 1 (0.95%) Grid Computing
Operating Systems
1 4 (3.81%) Android
1 4 (3.81%) Windows
2 1 (0.95%) Apple iOS
Processes & Methodologies
1 80 (76.19%) Agile Software Development
2 63 (60.00%) MVVM
3 32 (30.48%) Complex Event Processing
4 27 (25.71%) BDD
5 25 (23.81%) CQRS
5 25 (23.81%) Technical Analysis
6 20 (19.05%) Continuous Improvement
6 20 (19.05%) Scrum
7 17 (16.19%) Integration Testing
7 17 (16.19%) Multithreading
7 17 (16.19%) Stress Testing
7 17 (16.19%) Test Scripting
8 16 (15.24%) Electronic Trading
9 15 (14.29%) TDD
10 10 (9.52%) Software Engineering
11 9 (8.57%) Pair Programming
11 9 (8.57%) SDLC
12 8 (7.62%) Continuous Integration
12 8 (7.62%) OO
12 8 (7.62%) OOD
Programming Languages
1 95 (90.48%) C#
2 56 (53.33%) JavaScript
3 37 (35.24%) SQL
4 17 (16.19%) T-SQL
5 14 (13.33%) Java
6 5 (4.76%) XAML
7 4 (3.81%) TypeScript
8 3 (2.86%) Kotlin
Qualifications
1 7 (6.67%) Degree
2 1 (0.95%) Numerate Degree
Systems Management
1 3 (2.86%) MOM
2 1 (0.95%) BladeLogic
Vendors
1 28 (26.67%) Microsoft
2 4 (3.81%) TIBCO
3 3 (2.86%) DevExpress
4 2 (1.90%) Infragistics
4 2 (1.90%) Solace
5 1 (0.95%) Google
5 1 (0.95%) Oracle
5 1 (0.95%) SAP