The following table provides summary statistics for contract job vacancies with a requirement for WebSockets skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited WebSockets over the 3 months to 26 June 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.

WebSockets
UK
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 540 579 625
Rank change year-on-year +39 +46  
Contract jobs citing WebSockets 67 72 16
As % of all contract IT jobs advertised in the UK 0.14% 0.14% 0.029%
As % of the Libraries, Frameworks & Software Standards category 0.45% 0.48% 0.10%
Number of daily rates quoted 56 63 12
Median daily rate £530 £400 £500
Median daily rate % change year-on-year +32.50% -20.00%  
90% offered a daily rate of more than £389 £275 £380
10% offered a daily rate of more than £600 £548 £597
UK excluding London median daily rate £351 £275 £325
% change year-on-year +27.72% -15.38%  
Number of hourly rates quoted 0 2 0
Median hourly rate - £37.50 -
UK excluding London median hourly rate - £37.50 -

WebSockets is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 15051 15100 15398
As % of all contract IT job vacancies advertised in the UK 32.01% 28.45% 27.53%
Number of daily rates quoted 10395 10636 10284
Median daily rate £425 £420 £388
Median daily rate % change year-on-year +1.19% +8.38%  
90% offered a daily rate of more than £315 £300 £285
10% offered a daily rate of more than £580 £550 £550
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 196 180 213
Median hourly rate £42.50 £36.00 £37.45
Median hourly rate % change year-on-year +18.05% -3.87%  
90% offered a hourly rate of more than £21.00 £18.80 £17.86
10% offered a hourly rate of more than £55.00 £50.00 £55.00
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

WebSockets
Job Vacancy Trend

The job posting trend of jobs advertised citing WebSockets as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for WebSockets in the UK

WebSockets
Contractor Daily Rate Trend

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

Contractor daily rate trend for WebSockets in the UK

WebSockets
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing WebSockets over the 3 months to 26 June 2017.

Contractor daily rate histogram for WebSockets in the UK

WebSockets
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing WebSockets.

Contractor hourly rate trend for WebSockets in the UK

WebSockets
Top 13 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing WebSockets within the UK over the 3 months to 26 June 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
England +27 65 £535 +33.75% 25
London 0 63 £540 +31.70% 17
City of London -14 6 £553 +63.70% 1
Canary Wharf - 3 £600 -
Belfast - 2 £389 -
Northern Ireland - 2 £389 -
County Antrim - 2 £389 -
West Midlands +22 1 £325 -
Gloucestershire +7 1 £325 -7.14%
South West +2 1 £325 -7.14% 2
Birmingham - 1 £325 -
Moorgate - 1 £500 -
Cirencester - 1 £325 -

For the 6 months to 26 June 2017, 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 with a requirement for WebSockets.

1 103 (85.12%) JavaScript
2 79 (65.29%) AngularJS
3 67 (55.37%) HTML
4 62 (51.24%) HTML5
5 55 (45.45%) Agile Software Development
6 50 (41.32%) CSS
7 47 (38.84%) React
8 46 (38.02%) Git (software)
9 44 (36.36%) Finance
10 40 (33.06%) .NET
10 40 (33.06%) CSS3
11 39 (32.23%) C#
12 38 (31.40%) ASP.NET
12 38 (31.40%) REST
13 34 (28.10%) ES6
13 34 (28.10%) Greenfield Project
14 33 (27.27%) SignalR
15 32 (26.45%) Node.js
15 32 (26.45%) Banking
15 32 (26.45%) Subversion
16 31 (25.62%) Web Development
16 31 (25.62%) Java
17 30 (24.79%) Test Automation
18 29 (23.97%) jQuery
18 29 (23.97%) Jasmine
19 28 (23.14%) NoSQL
19 28 (23.14%) JSON
20 26 (21.49%) BDD
20 26 (21.49%) Front End Development
20 26 (21.49%) ASP.NET Web API

WebSockets
Co-occurring 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 14 (11.57%) NServiceBus
2 9 (7.44%) Elasticsearch
2 9 (7.44%) Tomcat
3 8 (6.61%) Apache
3 8 (6.61%) CMS
3 8 (6.61%) JBoss
3 8 (6.61%) WebLogic
4 5 (4.13%) nginx
4 5 (4.13%) WebSphere
5 3 (2.48%) Apache Spark
6 1 (0.83%) Adobe Experience Manager
6 1 (0.83%) Oracle Coherence
Cloud Services
1 9 (7.44%) Amazon AWS
2 8 (6.61%) Microsoft Azure
3 7 (5.79%) GitHub
4 6 (4.96%) Cloud Computing
5 2 (1.65%) Amazon CloudWatch
5 2 (1.65%) Amazon EC2
5 2 (1.65%) Amazon S3
5 2 (1.65%) AWS CloudFormation
5 2 (1.65%) AWS Lambda
6 1 (0.83%) AWS Elastic Beanstalk
6 1 (0.83%) Firebase
6 1 (0.83%) Google App Engine
6 1 (0.83%) Google Cloud Platform
6 1 (0.83%) Heroku
6 1 (0.83%) PaaS
6 1 (0.83%) SaaS
Communications & Networking
1 11 (9.09%) Internet
2 10 (8.26%) HTTP
3 8 (6.61%) AMQP
4 2 (1.65%) TCP/IP
5 1 (0.83%) DNS
5 1 (0.83%) FTP
Database & Business Intelligence
1 28 (23.14%) NoSQL
2 25 (20.66%) MongoDB
3 19 (15.70%) SQL Server
4 9 (7.44%) Hadoop
5 8 (6.61%) Azure SQL Database
6 6 (4.96%) Big Data
7 5 (4.13%) MS Access
8 4 (3.31%) Relational Database
9 3 (2.48%) Aerospike
9 3 (2.48%) Apache Cassandra
10 2 (1.65%) KDB
11 1 (0.83%) Amazon DynamoDB
11 1 (0.83%) Neo4j
11 1 (0.83%) Redis
11 1 (0.83%) SQL Server 2012
Development Applications
1 46 (38.02%) Git (software)
2 32 (26.45%) Subversion
3 29 (23.97%) Jasmine
4 24 (19.83%) SpecFlow
5 23 (19.01%) Grunt
6 21 (17.36%) webpack
7 17 (14.05%) Selenium
8 16 (13.22%) gulp
9 13 (10.74%) Bower
9 13 (10.74%) Mocha
10 12 (9.92%) JIRA
10 12 (9.92%) Protractor
10 12 (9.92%) TeamCity
11 11 (9.09%) Maven
12 7 (5.79%) Jenkins
12 7 (5.79%) Sonatype Nexus
13 5 (4.13%) Bitbucket
13 5 (4.13%) Darcs
13 5 (4.13%) Vagrant
13 5 (4.13%) VSS/SourceSafe
General
1 44 (36.36%) Finance
2 32 (26.45%) Banking
3 17 (14.05%) Front Office
4 12 (9.92%) Investment Banking
5 6 (4.96%) Back Office
5 6 (4.96%) Wholesale Banking
6 2 (1.65%) Games
7 1 (0.83%) Financial Institution
Job Titles
1 103 (85.12%) Developer
2 28 (23.14%) JavaScript Developer
3 25 (20.66%) Full Stack Developer
4 19 (15.70%) Angular Developer
4 19 (15.70%) C# Developer
5 18 (14.88%) Front End Developer (Client-Side Developer)
6 16 (13.22%) Senior Developer
7 15 (12.40%) UI Developer
8 14 (11.57%) HTML Developer
9 10 (8.26%) .NET Developer
9 10 (8.26%) Java Developer
9 10 (8.26%) Web Developer
10 9 (7.44%) Lead Developer
11 8 (6.61%) Node.js Developer
12 7 (5.79%) C# WPF Developer
12 7 (5.79%) WPF Developer
13 6 (4.96%) Senior Front-End Developer
14 5 (4.13%) Analyst
14 5 (4.13%) Technical Developer
14 5 (4.13%) UX Developer
Libraries, Frameworks & Software Standards
1 79 (65.29%) AngularJS
2 67 (55.37%) HTML
3 62 (51.24%) HTML5
4 50 (41.32%) CSS
5 47 (38.84%) React
6 40 (33.06%) .NET
6 40 (33.06%) CSS3
7 38 (31.40%) ASP.NET
7 38 (31.40%) REST
8 33 (27.27%) SignalR
9 32 (26.45%) Node.js
10 29 (23.97%) jQuery
11 28 (23.14%) JSON
12 26 (21.49%) ASP.NET Web API
13 25 (20.66%) Angular 2
14 24 (19.83%) Redux
15 23 (19.01%) Backbone.js
15 23 (19.01%) Reactive Extensions
16 21 (17.36%) D3.js
17 20 (16.53%) Spring
Miscellaneous
1 34 (28.10%) Greenfield Project
2 25 (20.66%) Fintech
3 21 (17.36%) User Experience
4 18 (14.88%) Foreign Exchange (FX)
5 14 (11.57%) Derivative
6 13 (10.74%) Fixed Income
6 13 (10.74%) Hedge funds
7 9 (7.44%) Computer Science
8 6 (4.96%) Analytical Skills
8 6 (4.96%) Data Structures
8 6 (4.96%) Equities
9 5 (4.13%) Equity Derivative
10 4 (3.31%) Mobile App
11 3 (2.48%) Linked Data
12 2 (1.65%) Public Cloud
13 1 (0.83%) Algorithms
13 1 (0.83%) Credit Risk
13 1 (0.83%) Grid Computing
13 1 (0.83%) Market Risk
Operating Systems
1 8 (6.61%) Unix
2 5 (4.13%) Linux
3 2 (1.65%) Apple iOS
4 1 (0.83%) Windows
Processes & Methodologies
1 55 (45.45%) Agile Software Development
2 31 (25.62%) Web Development
3 30 (24.79%) Test Automation
4 26 (21.49%) BDD
4 26 (21.49%) Front End Development
5 24 (19.83%) TDD
6 23 (19.01%) OO
7 22 (18.18%) Scrum
8 19 (15.70%) Cross-Browser Compatibility
9 17 (14.05%) Unit Testing
10 16 (13.22%) Microservices
11 15 (12.40%) MVVM
12 14 (11.57%) CQRS
12 14 (11.57%) DevOps
12 14 (11.57%) MVC
13 13 (10.74%) Complex Event Processing
13 13 (10.74%) OOP
13 13 (10.74%) Responsive Web Design
14 11 (9.09%) Electronic Trading
15 9 (7.44%) Open Source
Programming Languages
1 103 (85.12%) JavaScript
2 39 (32.23%) C#
3 34 (28.10%) ES6
4 31 (25.62%) Java
5 22 (18.18%) SQL
6 12 (9.92%) Scala
6 12 (9.92%) TypeScript
7 8 (6.61%) ECMAScript
8 7 (5.79%) Bash Shell
8 7 (5.79%) Python
9 6 (4.96%) Shell Script
10 5 (4.13%) C++
10 5 (4.13%) VB
10 5 (4.13%) VC++
11 3 (2.48%) Ruby
12 2 (1.65%) Go
12 2 (1.65%) PHP
13 1 (0.83%) T-SQL
Qualifications
1 17 (14.05%) Degree
2 9 (7.44%) Computer Science Degree
Quality Assurance & Compliance
1 9 (7.44%) MiFID
2 3 (2.48%) QA
System Software
1 10 (8.26%) Docker
2 6 (4.96%) HDFS
Systems Management
1 9 (7.44%) Ansible
2 7 (5.79%) Opscode Chef
3 2 (1.65%) Kubernetes
3 2 (1.65%) Puppet
Vendors
1 20 (16.53%) Microsoft
2 6 (4.96%) Oracle
3 2 (1.65%) Salesforce.com
4 1 (0.83%) Adobe
4 1 (0.83%) Atlassian
4 1 (0.83%) Google
4 1 (0.83%) RedGate
4 1 (0.83%) Twitter
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