The following table provides summary statistics for contract job vacancies advertised in London 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 25 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
England / London
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 354 367 419
Rank change year-on-year +13 +52  
Contract jobs citing WebSockets 64 57 16
As % of all contract IT jobs advertised in London 0.31% 0.27% 0.068%
As % of the Libraries, Frameworks & Software Standards category 0.87% 0.82% 0.22%
Number of daily rates quoted 53 51 13
Median daily rate £540 £410 £525
Median daily rate % change year-on-year +31.70% -21.90%  
90% offered a daily rate of more than £405 £338 £430
10% offered a daily rate of more than £600 £575 £593
UK excluding London median daily rate £351 £275 £325
% change year-on-year +27.72% -15.38%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
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 advertised in London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 7331 6935 7333
As % of all contract IT job vacancies advertised in London 35.83% 32.44% 31.31%
Number of daily rates quoted 5444 5322 5317
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 £310
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 50 25 50
Median hourly rate £35.00 £40.00 £22.50
Median hourly rate % change year-on-year -12.50% +77.77%  
90% offered a hourly rate of more than £16.00 £20.00 £16.13
10% offered a hourly rate of more than £55.00 £190.00 £60.00
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

WebSockets
Job Vacancy Trend in London

The job posting trend of jobs advertised in London 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 London

WebSockets
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for WebSockets in London

WebSockets
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing WebSockets in London over the 3 months to 25 June 2017.

Contractor daily rate histogram for WebSockets in London

WebSockets
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 WebSockets within the London region over the 3 months to 25 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
City of London -7 6 £553 +63.70% 1
Canary Wharf - 3 £600 -
Moorgate - 1 £500 -
WebSockets
England

For the 6 months to 25 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 across the London region with a requirement for WebSockets.

1 99 (89.19%) JavaScript
2 77 (69.37%) AngularJS
3 62 (55.86%) HTML
4 58 (52.25%) HTML5
5 53 (47.75%) Agile Software Development
6 48 (43.24%) React
7 46 (41.44%) Git (software)
8 45 (40.54%) CSS
9 43 (38.74%) Finance
10 40 (36.04%) .NET
10 40 (36.04%) CSS3
11 39 (35.14%) ASP.NET
11 39 (35.14%) C#
12 35 (31.53%) REST
12 35 (31.53%) Greenfield Project
13 34 (30.63%) SignalR
14 33 (29.73%) ES6
15 32 (28.83%) Subversion
16 31 (27.93%) Node.js
17 30 (27.03%) Test Automation
17 30 (27.03%) Jasmine
17 30 (27.03%) Banking
18 29 (26.13%) NoSQL
19 28 (25.23%) Web Development
20 27 (24.32%) Java
20 27 (24.32%) BDD
20 27 (24.32%) ASP.NET Web API
20 27 (24.32%) Fintech
21 26 (23.42%) jQuery
22 25 (22.52%) MongoDB

WebSockets
Co-occurring 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 14 (12.61%) NServiceBus
2 9 (8.11%) Elasticsearch
3 8 (7.21%) CMS
3 8 (7.21%) JBoss
3 8 (7.21%) WebLogic
4 7 (6.31%) Tomcat
5 6 (5.41%) Apache
6 5 (4.50%) nginx
6 5 (4.50%) WebSphere
7 3 (2.70%) Apache Spark
8 1 (0.90%) Adobe Experience Manager
8 1 (0.90%) Oracle Coherence
Cloud Services
1 9 (8.11%) Amazon AWS
1 9 (8.11%) Microsoft Azure
2 7 (6.31%) GitHub
3 6 (5.41%) Cloud Computing
4 2 (1.80%) Amazon CloudWatch
4 2 (1.80%) Amazon EC2
4 2 (1.80%) Amazon S3
4 2 (1.80%) AWS CloudFormation
4 2 (1.80%) AWS Lambda
5 1 (0.90%) Firebase
5 1 (0.90%) SaaS
Communications & Networking
1 11 (9.91%) Internet
2 9 (8.11%) AMQP
3 7 (6.31%) HTTP
4 2 (1.80%) TCP/IP
5 1 (0.90%) DNS
5 1 (0.90%) FTP
Database & Business Intelligence
1 29 (26.13%) NoSQL
2 25 (22.52%) MongoDB
3 19 (17.12%) SQL Server
4 9 (8.11%) Azure SQL Database
4 9 (8.11%) Hadoop
5 6 (5.41%) Big Data
6 5 (4.50%) MS Access
7 4 (3.60%) Relational Database
8 3 (2.70%) Aerospike
8 3 (2.70%) Apache Cassandra
9 2 (1.80%) KDB
10 1 (0.90%) Amazon DynamoDB
10 1 (0.90%) Neo4j
10 1 (0.90%) Redis
Development Applications
1 46 (41.44%) Git (software)
2 32 (28.83%) Subversion
3 30 (27.03%) Jasmine
4 25 (22.52%) SpecFlow
5 23 (20.72%) Grunt
6 21 (18.92%) webpack
7 17 (15.32%) gulp
7 17 (15.32%) Selenium
8 14 (12.61%) Mocha
9 13 (11.71%) TeamCity
10 12 (10.81%) Bower
10 12 (10.81%) JIRA
10 12 (10.81%) Maven
10 12 (10.81%) Protractor
11 8 (7.21%) Sonatype Nexus
12 7 (6.31%) Jenkins
13 5 (4.50%) Bitbucket
13 5 (4.50%) Darcs
13 5 (4.50%) Vagrant
13 5 (4.50%) VSS/SourceSafe
General
1 43 (38.74%) Finance
2 30 (27.03%) Banking
3 16 (14.41%) Front Office
4 11 (9.91%) Investment Banking
5 6 (5.41%) Back Office
5 6 (5.41%) Wholesale Banking
6 2 (1.80%) Games
Job Titles
1 94 (84.68%) Developer
2 27 (24.32%) JavaScript Developer
3 25 (22.52%) Full Stack Developer
4 20 (18.02%) C# Developer
5 19 (17.12%) Angular Developer
6 17 (15.32%) Front End Developer (Client-Side Developer)
7 15 (13.51%) Senior Developer
8 12 (10.81%) HTML Developer
8 12 (10.81%) UI Developer
9 10 (9.01%) .NET Developer
9 10 (9.01%) Lead Developer
10 9 (8.11%) Node.js Developer
11 8 (7.21%) C# WPF Developer
11 8 (7.21%) Java Developer
11 8 (7.21%) Web Developer
11 8 (7.21%) WPF Developer
12 6 (5.41%) ASP.NET Developer
12 6 (5.41%) C# .NET Developer
12 6 (5.41%) C# ASP.NET Developer
13 5 (4.50%) Technical Leader
Libraries, Frameworks & Software Standards
1 77 (69.37%) AngularJS
2 62 (55.86%) HTML
3 58 (52.25%) HTML5
4 48 (43.24%) React
5 45 (40.54%) CSS
6 40 (36.04%) .NET
6 40 (36.04%) CSS3
7 39 (35.14%) ASP.NET
8 35 (31.53%) REST
9 34 (30.63%) SignalR
10 31 (27.93%) Node.js
11 27 (24.32%) ASP.NET Web API
12 26 (23.42%) jQuery
13 25 (22.52%) Angular 2
13 25 (22.52%) JSON
14 24 (21.62%) Reactive Extensions
15 23 (20.72%) Backbone.js
15 23 (20.72%) Redux
16 21 (18.92%) D3.js
17 20 (18.02%) Spring
Miscellaneous
1 35 (31.53%) Greenfield Project
2 27 (24.32%) Fintech
3 20 (18.02%) User Experience
4 18 (16.22%) Foreign Exchange (FX)
5 13 (11.71%) Fixed Income
5 13 (11.71%) Hedge funds
6 12 (10.81%) Derivative
7 8 (7.21%) Computer Science
8 6 (5.41%) Analytical Skills
9 4 (3.60%) Data Structures
9 4 (3.60%) Equities
9 4 (3.60%) Mobile App
10 3 (2.70%) Equity Derivative
10 3 (2.70%) Linked Data
11 2 (1.80%) Public Cloud
12 1 (0.90%) Algorithms
12 1 (0.90%) Credit Risk
12 1 (0.90%) Grid Computing
12 1 (0.90%) Market Risk
Operating Systems
1 8 (7.21%) Unix
2 2 (1.80%) Apple iOS
2 2 (1.80%) Linux
Processes & Methodologies
1 53 (47.75%) Agile Software Development
2 30 (27.03%) Test Automation
3 28 (25.23%) Web Development
4 27 (24.32%) BDD
5 25 (22.52%) Front End Development
6 24 (21.62%) TDD
7 22 (19.82%) Scrum
8 20 (18.02%) OO
9 19 (17.12%) Cross-Browser Compatibility
10 16 (14.41%) MVVM
10 16 (14.41%) Unit Testing
11 14 (12.61%) CQRS
11 14 (12.61%) Microservices
12 13 (11.71%) Complex Event Processing
12 13 (11.71%) DevOps
12 13 (11.71%) MVC
12 13 (11.71%) Responsive Web Design
13 12 (10.81%) OOP
14 11 (9.91%) Electronic Trading
15 9 (8.11%) Web Application Development
Programming Languages
1 99 (89.19%) JavaScript
2 39 (35.14%) C#
3 33 (29.73%) ES6
4 27 (24.32%) Java
5 20 (18.02%) SQL
6 12 (10.81%) Scala
6 12 (10.81%) TypeScript
7 8 (7.21%) ECMAScript
8 7 (6.31%) Bash Shell
8 7 (6.31%) Python
9 6 (5.41%) Shell Script
10 5 (4.50%) C++
10 5 (4.50%) VB
10 5 (4.50%) VC++
11 3 (2.70%) Ruby
12 2 (1.80%) Go
13 1 (0.90%) PHP
Qualifications
1 17 (15.32%) Degree
2 8 (7.21%) Computer Science Degree
Quality Assurance & Compliance
1 9 (8.11%) MiFID
2 3 (2.70%) QA
System Software
1 9 (8.11%) Docker
2 6 (5.41%) HDFS
Systems Management
1 9 (8.11%) Ansible
2 7 (6.31%) Opscode Chef
3 2 (1.80%) Kubernetes
3 2 (1.80%) Puppet
Vendors
1 19 (17.12%) Microsoft
2 6 (5.41%) Oracle
3 1 (0.90%) Adobe
3 1 (0.90%) Atlassian
3 1 (0.90%) Salesforce.com
London
Hays London City Cheapside
Rate: £500.00 - £610.00 per day
Posted: 2 days ago