The table below looks at the statistics for WebSockets skills in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited WebSockets over the 3 months to 5 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
5 Dec 2016
Same period 2015 Same period 2014
WebSockets
Rank 154 161 207
Rank change year-on-year
+7 +46
Contract jobs citing WebSockets 5 2 5
As % of all contract IT jobs located in the City of London 0.15% 0.058% 0.086%
As % of the Libraries, Frameworks & Software Standards category 0.41% 0.18% 0.29%
Number of daily rates quoted 4 2 5
Median daily rate £493 £413 £440
Median daily rate % change year-on-year
+19.39% -6.25%
90% offered a daily rate of more than £321 £383 £398
10% offered a daily rate of more than £570 £443 £700
UK excluding London median daily rate £350 £313 £388
% change year-on-year
+12.00% -19.35%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £37.50 -
% change year-on-year
+6.66% -
WebSockets
London

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 City of London region.

Libraries, Frameworks & Software Standards Category
City of London
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
1208 1094 1718
As % of all contract IT jobs located in the City of London 37.43% 31.93% 29.51%
Number of daily rates quoted 1024 920 1372
Median daily rate £475 £450 £425
Median daily rate % change year-on-year
+5.55% +5.88%
90% offered a daily rate of more than £350 £325 £300
10% offered a daily rate of more than £600 £600 £600
UK excluding London median daily rate £380 £375 £350
% change year-on-year
+1.33% +7.14%
Number of hourly rates quoted 0 5 5
Median hourly rate - £26.32 £30.00
Median hourly rate % change year-on-year
- -12.26%
UK excluding London median hourly rate £40.00 £37.50 £35.00
% change year-on-year
+6.66% +7.14%

WebSockets
Jobs Demand Trend in the City of London

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

WebSockets Jobs Demand Trend in the City of London

WebSockets
Daily Rate Trend in the City of London

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

WebSockets Daily Rate Trend in the City of London

WebSockets
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing WebSockets across the City of London region over the 3 months to 5 December 2016.

WebSockets Daily Rate Histogram in the City of London

WebSockets
Top 30 Related IT Skills in the City of London

For the 6 months to 5 December 2016, IT contractor jobs citing WebSockets 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 City of London region with a requirement for WebSockets.

1 12 (75.00%) REST
1 12 (75.00%) AngularJS
2 11 (68.75%) Node.js
2 11 (68.75%) Git (software)
2 11 (68.75%) Agile Software Development
3 10 (62.50%) JavaScript
4 9 (56.25%) HTML
4 9 (56.25%) CSS
4 9 (56.25%) OOP
4 9 (56.25%) User Experience
5 8 (50.00%) Twitter Bootstrap
5 8 (50.00%) User Stories
5 8 (50.00%) Grunt
5 8 (50.00%) Bower
5 8 (50.00%) gulp
5 8 (50.00%) Web Development
5 8 (50.00%) Advertising
5 8 (50.00%) CMS
5 8 (50.00%) Games
5 8 (50.00%) Scrum
5 8 (50.00%) HTML5
5 8 (50.00%) Ajax
5 8 (50.00%) jQuery
5 8 (50.00%) CSS3
5 8 (50.00%) Backbone.js
5 8 (50.00%) Responsive Web Design
5 8 (50.00%) Sass
5 8 (50.00%) LESS
6 6 (37.50%) Java
7 5 (31.25%) TDD

WebSockets
Top Related IT Skills in the City of 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 8 (50.00%) CMS
2 3 (18.75%) Apache Spark
3 1 (6.25%) Apache
3 1 (6.25%) Apache Solr
Cloud Services
1 1 (6.25%) Amazon AWS
Communications & Networking
1 1 (6.25%) HTTP
1 1 (6.25%) Internet
Database & Business Intelligence
1 4 (25.00%) Apache Cassandra
2 3 (18.75%) NoSQL
2 3 (18.75%) Redis
3 2 (12.50%) Neo4j
4 1 (6.25%) MongoDB
4 1 (6.25%) PostgreSQL
Development Applications
1 11 (68.75%) Git (software)
2 8 (50.00%) Bower
2 8 (50.00%) Grunt
2 8 (50.00%) gulp
3 1 (6.25%) git-flow
3 1 (6.25%) Jenkins
3 1 (6.25%) JUnit
3 1 (6.25%) Maven
3 1 (6.25%) Mockito
3 1 (6.25%) Protractor
3 1 (6.25%) Selenium
3 1 (6.25%) TeamCity
General
1 8 (50.00%) Advertising
1 8 (50.00%) Games
Job Titles
1 15 (93.75%) Developer
2 8 (50.00%) Web Developer
3 4 (25.00%) Scala Developer
4 2 (12.50%) Agile Developer
4 2 (12.50%) Senior Developer
5 1 (6.25%) .NET Developer
5 1 (6.25%) Angular Developer
5 1 (6.25%) C# .NET Developer
5 1 (6.25%) C# Developer
5 1 (6.25%) Cassandra Developer
5 1 (6.25%) Data Engineer
5 1 (6.25%) Full Stack Developer
5 1 (6.25%) Java Developer
5 1 (6.25%) JavaScript Developer
5 1 (6.25%) Senior Java Developer
5 1 (6.25%) Senior Scala Developer
5 1 (6.25%) Senior UI Developer
5 1 (6.25%) Solr Developer
5 1 (6.25%) UI Developer
Libraries, Frameworks & Software Standards
1 12 (75.00%) AngularJS
1 12 (75.00%) REST
2 11 (68.75%) Node.js
3 9 (56.25%) CSS
3 9 (56.25%) HTML
4 8 (50.00%) Ajax
4 8 (50.00%) Backbone.js
4 8 (50.00%) CSS3
4 8 (50.00%) HTML5
4 8 (50.00%) jQuery
4 8 (50.00%) LESS
4 8 (50.00%) Sass
4 8 (50.00%) Twitter Bootstrap
5 3 (18.75%) Akka
5 3 (18.75%) Samza
5 3 (18.75%) Spring
6 2 (12.50%) Apache Camel
6 2 (12.50%) Kafka
6 2 (12.50%) Spark Streaming
7 1 (6.25%) Protocol Buffers
Miscellaneous
1 9 (56.25%) User Experience
2 1 (6.25%) Algorithms
2 1 (6.25%) Computer Science
2 1 (6.25%) Internet of Things
Operating Systems
1 1 (6.25%) Unix
Processes & Methodologies
1 11 (68.75%) Agile Software Development
2 9 (56.25%) OOP
3 8 (50.00%) Responsive Web Design
3 8 (50.00%) Scrum
3 8 (50.00%) User Stories
3 8 (50.00%) Web Development
4 5 (31.25%) TDD
5 3 (18.75%) BDD
5 3 (18.75%) Continuous Integration
5 3 (18.75%) Pair Programming
6 2 (12.50%) Automated Testing
6 2 (12.50%) Open Source
6 2 (12.50%) Release Management
7 1 (6.25%) API Design
7 1 (6.25%) Data Modelling
7 1 (6.25%) DevOps
7 1 (6.25%) Kanban
7 1 (6.25%) Mentoring
7 1 (6.25%) OO
7 1 (6.25%) Refactoring
Programming Languages
1 10 (62.50%) JavaScript
2 6 (37.50%) Java
3 5 (31.25%) Scala
4 2 (12.50%) SQL
5 1 (6.25%) C#
5 1 (6.25%) C++
5 1 (6.25%) Go
Qualifications
1 1 (6.25%) Degree
System Software
1 1 (6.25%) Docker
Systems Management
1 1 (6.25%) Opscode Chef
1 1 (6.25%) Puppet