The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for WebSockets skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited WebSockets over the 3 months to 28 June 2017 with a comparison to the same period in the previous 2 years.

WebSockets
London / City of London
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 221 228 305
Rank change year-on-year +7 +77  
Permanent jobs citing WebSockets 6 27 10
As % of all permanent IT jobs advertised in the City of London 0.12% 0.42% 0.098%
As % of the Libraries, Frameworks & Software Standards category 0.31% 1.02% 0.28%
Number of salaries quoted 4 27 6
Median salary £52,500 £60,000 £86,250
Median salary % change year-on-year -12.50% -30.43%  
90% offered a salary of more than £38,000 £57,500 £63,750
10% offered a salary of more than £67,625 £105,000 £105,000
UK excluding London median salary £42,500 £40,000 £60,000
% change year-on-year +6.25% -33.33%  

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 permanent job vacancies advertised in the City of London with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
City of London
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1964 2637 3580
As % of all permanent IT job vacancies advertised in the City of London 38.22% 41.39% 35.19%
Number of salaries quoted 6456 8456 11666
Median salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.34% +4.54%  
90% offered a salary of more than £38,750 £37,500 £34,250
10% offered a salary of more than £85,000 £77,500 £80,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +6.25% -  

WebSockets
Job Vacancy Trend in the City of London

Job postings citing WebSockets as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for WebSockets in the City of London

WebSockets
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing WebSockets in the City of London.

Salary trend for WebSockets in the City of London

WebSockets
Salary Histogram in the City of London

The salary distribution of IT jobs citing WebSockets in the City of London over the 3 months to 28 June 2017.

Salary histogram for WebSockets in the City of London

For the 6 months to 28 June 2017, IT jobs citing WebSockets also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for WebSockets.

1 7 (70.00%) JavaScript
2 6 (60.00%) SQL
2 6 (60.00%) Node.js
3 5 (50.00%) Docker
3 5 (50.00%) Finance
4 4 (40.00%) MySQL
4 4 (40.00%) Java
4 4 (40.00%) REST
4 4 (40.00%) Relational Database
4 4 (40.00%) DevOps
4 4 (40.00%) Microsoft Azure
4 4 (40.00%) Amazon AWS
4 4 (40.00%) Redis
5 3 (30.00%) RESTful
5 3 (30.00%) AngularJS
5 3 (30.00%) Git (software)
5 3 (30.00%) Ansible
5 3 (30.00%) API Development
5 3 (30.00%) API Design
5 3 (30.00%) Kubernetes
5 3 (30.00%) HTTP
5 3 (30.00%) IBM
5 3 (30.00%) PHP
5 3 (30.00%) CSS
5 3 (30.00%) Linux
5 3 (30.00%) LAMP
5 3 (30.00%) Agile Software Development
6 2 (20.00%) MVC
6 2 (20.00%) EDIFACT
6 2 (20.00%) Spring

WebSockets
Co-occurring 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 2 (20.00%) IIS
1 2 (20.00%) WebSphere
2 1 (10.00%) Apache
2 1 (10.00%) Elasticsearch
2 1 (10.00%) Ethereum
2 1 (10.00%) Gunicorn
2 1 (10.00%) Hyperledger
2 1 (10.00%) nginx
2 1 (10.00%) Tornado
2 1 (10.00%) uWSGI
Cloud Services
1 4 (40.00%) Amazon AWS
1 4 (40.00%) Microsoft Azure
2 1 (10.00%) Cloud Computing
Communications & Networking
1 3 (30.00%) HTTP
2 2 (20.00%) Intranet
3 1 (10.00%) Internet
Database & Business Intelligence
1 4 (40.00%) MySQL
1 4 (40.00%) Redis
1 4 (40.00%) Relational Database
2 2 (20.00%) NoSQL
2 2 (20.00%) RDBMS
2 2 (20.00%) SQL Server
3 1 (10.00%) Blockchain
3 1 (10.00%) PostgreSQL
Development Applications
1 3 (30.00%) Git (software)
2 2 (20.00%) Eclipse
2 2 (20.00%) PHPUnit
3 1 (10.00%) Babel
3 1 (10.00%) GitLab
3 1 (10.00%) Vagrant
3 1 (10.00%) webpack
General
1 5 (50.00%) Finance
2 1 (10.00%) Banking
2 1 (10.00%) Games
Job Titles
1 8 (80.00%) Developer
2 2 (20.00%) Java Developer
2 2 (20.00%) MySQL Developer
2 2 (20.00%) PHP Developer
2 2 (20.00%) PHP MySQL Developer
3 1 (10.00%) Architect
3 1 (10.00%) Enterprise Architect
3 1 (10.00%) Full Stack Developer
3 1 (10.00%) Graduate
3 1 (10.00%) Graduate Developer
3 1 (10.00%) Graduate Web Developer
3 1 (10.00%) JavaScript Developer
3 1 (10.00%) Junior
3 1 (10.00%) Junior Developer
3 1 (10.00%) Junior Web Developer
3 1 (10.00%) Node.js Developer
3 1 (10.00%) Python Developer
3 1 (10.00%) Senior Developer
3 1 (10.00%) Senior Python Developer
3 1 (10.00%) Web Developer
Libraries, Frameworks & Software Standards
1 6 (60.00%) Node.js
2 4 (40.00%) REST
3 3 (30.00%) AngularJS
3 3 (30.00%) CSS
3 3 (30.00%) LAMP
3 3 (30.00%) RESTful
4 2 (20.00%) EDIFACT
4 2 (20.00%) HTML
4 2 (20.00%) JDBC
4 2 (20.00%) JMS
4 2 (20.00%) JSON
4 2 (20.00%) Laravel
4 2 (20.00%) Middleware
4 2 (20.00%) OSGi
4 2 (20.00%) Spring
4 2 (20.00%) Spring Boot
4 2 (20.00%) XML
5 1 (10.00%) .NET
5 1 (10.00%) RabbitMQ
5 1 (10.00%) Sphinx
Miscellaneous
1 2 (20.00%) Blog
1 2 (20.00%) SWIFT
2 1 (10.00%) Data Centre
2 1 (10.00%) Enterprise Software
2 1 (10.00%) Linux Command Line
Operating Systems
1 3 (30.00%) Linux
Processes & Methodologies
1 4 (40.00%) DevOps
2 3 (30.00%) Agile Software Development
2 3 (30.00%) API Design
2 3 (30.00%) API Development
3 2 (20.00%) MVC
3 2 (20.00%) SOA
3 2 (20.00%) Software Engineering
3 2 (20.00%) Unit Testing
3 2 (20.00%) Web Development
4 1 (10.00%) B2B
4 1 (10.00%) B2C
4 1 (10.00%) Customer Engagement
4 1 (10.00%) Functional Testing
4 1 (10.00%) Information Security
4 1 (10.00%) Kanban
4 1 (10.00%) OOP
4 1 (10.00%) Open Source
4 1 (10.00%) Scrum
4 1 (10.00%) Test Automation
4 1 (10.00%) Web Application Development
Programming Languages
1 7 (70.00%) JavaScript
2 6 (60.00%) SQL
3 4 (40.00%) Java
4 3 (30.00%) PHP
5 1 (10.00%) C++
5 1 (10.00%) ES6
5 1 (10.00%) Python
5 1 (10.00%) Ruby
5 1 (10.00%) VB.NET
System Software
1 5 (50.00%) Docker
Systems Management
1 3 (30.00%) Ansible
1 3 (30.00%) Kubernetes
2 1 (10.00%) Docker Swarm
2 1 (10.00%) Kibana
2 1 (10.00%) logstash
Vendors
1 3 (30.00%) IBM
2 2 (20.00%) SAP
2 2 (20.00%) TIBCO
2 2 (20.00%) webMethods
3 1 (10.00%) Apigee
3 1 (10.00%) CA
City, London
ANSON MCCADE
Salary: Circa £50,000 - £70,000 and strong bonus/benefits
Posted: Yesterday
City, London
Harrington Starr
Salary: £60000 - £70000 per annum
Posted: 5 days ago