The following table provides summary statistics for permanent job vacancies advertised in 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 26 June 2017 with a comparison to the same period in the previous 2 years.

WebSockets
England / London
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 457 522 646
Rank change year-on-year +65 +124  
Permanent jobs citing WebSockets 157 116 24
As % of all permanent IT jobs advertised in London 0.43% 0.29% 0.054%
As % of the Libraries, Frameworks & Software Standards category 1.06% 0.73% 0.14%
Number of salaries quoted 145 106 16
Median salary £65,000 £60,000 £72,500
Median salary % change year-on-year +8.33% -17.24%  
90% offered a salary of more than £50,000 £38,750 £53,750
10% offered a salary of more than £100,000 £70,000 £93,750
UK excluding London median salary £45,000 £40,000 £60,000
% change year-on-year +12.50% -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 London with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
London
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 14851 15941 17016
As % of all permanent IT job vacancies advertised in London 40.32% 40.39% 37.96%
Number of salaries quoted 12294 14089 14656
Median salary £57,500 £55,000 £55,000
Median salary % change year-on-year +4.54% -  
90% offered a salary of more than £40,000 £38,000 £35,000
10% offered a salary of more than £80,000 £75,000 £77,500
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +6.25% -  

WebSockets
Job Vacancy Trend in London

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

Job vacancy trend for WebSockets in London

WebSockets
Salary Trend in London

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

Salary trend for WebSockets in London

WebSockets
Salary Histogram in London

The salary distribution of IT jobs citing WebSockets in London over the 3 months to 26 June 2017.

Salary histogram for WebSockets in London

WebSockets
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing WebSockets within the London region 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +5 6 £52,500 -12.50% 1
Canary Wharf - 2 £45,500 -
WebSockets
England

For the 6 months to 26 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 London region with a requirement for WebSockets.

1 138 (57.98%) JavaScript
2 123 (51.68%) C#
3 112 (47.06%) HTML
4 109 (45.80%) CSS
5 101 (42.44%) AngularJS
6 99 (41.60%) REST
7 98 (41.18%) HTML5
8 97 (40.76%) Finance
9 94 (39.50%) NoSQL
10 93 (39.08%) RESTful
11 83 (34.87%) CSS3
11 83 (34.87%) Agile Software Development
12 74 (31.09%) Software Engineering
13 70 (29.41%) MVC
14 69 (28.99%) F#
15 63 (26.47%) .NET
16 60 (25.21%) Front End Development
17 58 (24.37%) jQuery
18 57 (23.95%) Docker
18 57 (23.95%) Low Latency
19 56 (23.53%) SignalR
19 56 (23.53%) ES6
20 55 (23.11%) Node.js
21 53 (22.27%) JSON
21 53 (22.27%) OO
22 52 (21.85%) Test Automation
23 48 (20.17%) Web Development
23 48 (20.17%) DevOps
24 47 (19.75%) ASP.NET
25 46 (19.33%) Redis

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 22 (9.24%) CMS
2 15 (6.30%) Ethereum
2 15 (6.30%) Hyperledger
3 13 (5.46%) Elasticsearch
4 8 (3.36%) WebSphere
5 5 (2.10%) Umbraco
6 4 (1.68%) IIS
7 3 (1.26%) Apache Spark
7 3 (1.26%) Tomcat
8 2 (0.84%) Apache
8 2 (0.84%) Confluence
8 2 (0.84%) Drupal
8 2 (0.84%) Gunicorn
8 2 (0.84%) JBoss
8 2 (0.84%) nginx
8 2 (0.84%) Oracle SOA Suite
8 2 (0.84%) Tornado
8 2 (0.84%) uWSGI
8 2 (0.84%) WebLogic
9 1 (0.42%) Sitecore CMS
Applications
1 1 (0.42%) Spreadsheet
Cloud Services
1 35 (14.71%) Amazon AWS
2 29 (12.18%) Microsoft Azure
3 17 (7.14%) Cloud Computing
3 17 (7.14%) GitHub
4 5 (2.10%) Amazon EC2
4 5 (2.10%) Amazon S3
5 2 (0.84%) Google Cloud Platform
5 2 (0.84%) PaaS
6 1 (0.42%) Amazon CloudWatch
6 1 (0.42%) AWS CloudFormation
6 1 (0.42%) AWS Lambda
6 1 (0.42%) SaaS
Communications & Networking
1 43 (18.07%) Internet
2 21 (8.82%) HTTP
3 5 (2.10%) VoIP
4 3 (1.26%) TCP/IP
5 2 (0.84%) AMQP
5 2 (0.84%) Firewall
5 2 (0.84%) Intranet
6 1 (0.42%) SSL
Database & Business Intelligence
1 94 (39.50%) NoSQL
2 46 (19.33%) Redis
3 34 (14.29%) Blockchain
4 25 (10.50%) Event Store
5 18 (7.56%) MySQL
6 17 (7.14%) MongoDB
7 14 (5.88%) PostgreSQL
8 13 (5.46%) Apache Cassandra
9 12 (5.04%) Relational Database
9 12 (5.04%) SQL Server
10 7 (2.94%) RDBMS
11 3 (1.26%) Amazon DynamoDB
11 3 (1.26%) Hadoop
12 2 (0.84%) Aerospike
13 1 (0.42%) Azure SQL Database
13 1 (0.42%) Big Data
13 1 (0.42%) Couchbase
13 1 (0.42%) Oracle ODI
13 1 (0.42%) Qlik Sense
13 1 (0.42%) SQL Server Integration Services
Development Applications
1 30 (12.61%) Jenkins
2 29 (12.18%) webpack
3 27 (11.34%) Octopus Deploy
4 25 (10.50%) Atlassian Bamboo
5 24 (10.08%) Git (software)
6 20 (8.40%) Babel
7 17 (7.14%) TeamCity
8 13 (5.46%) Jasmine
9 12 (5.04%) NUnit
10 10 (4.20%) gulp
11 9 (3.78%) Grunt
12 7 (2.94%) Eclipse
13 6 (2.52%) Selenium
14 4 (1.68%) PHPUnit
14 4 (1.68%) Vagrant
15 2 (0.84%) GitLab
15 2 (0.84%) JIRA
15 2 (0.84%) SpecFlow
16 1 (0.42%) Mocha
16 1 (0.42%) Talend Open Studio
General
1 97 (40.76%) Finance
2 25 (10.50%) Banking
3 24 (10.08%) Games
4 10 (4.20%) Financial Institution
5 6 (2.52%) Law
6 3 (1.26%) Music Industry
7 2 (0.84%) Advertising
7 2 (0.84%) Marketing
8 1 (0.42%) Investment Banking
8 1 (0.42%) Legal
8 1 (0.42%) Retail
Job Titles
1 179 (75.21%) Developer
2 70 (29.41%) Senior Developer
3 45 (18.91%) C# Developer
4 42 (17.65%) .NET Developer
5 35 (14.71%) Front End Developer (Client-Side Developer)
6 28 (11.76%) Full Stack Developer
6 28 (11.76%) Senior .NET Developer
7 27 (11.34%) JavaScript Developer
8 24 (10.08%) Senior Front-End Developer
9 20 (8.40%) Node.js Developer
10 16 (6.72%) C# .NET Developer
11 15 (6.30%) Senior Full Stack Developer
12 11 (4.62%) Java Developer
13 10 (4.20%) Architect
13 10 (4.20%) F# Developer
13 10 (4.20%) HTML Developer
14 9 (3.78%) Senior C# Developer
15 8 (3.36%) Python Developer
15 8 (3.36%) Software Engineer
16 7 (2.94%) ASP.NET MVC Developer
Libraries, Frameworks & Software Standards
1 112 (47.06%) HTML
2 109 (45.80%) CSS
3 101 (42.44%) AngularJS
4 99 (41.60%) REST
5 98 (41.18%) HTML5
6 93 (39.08%) RESTful
7 83 (34.87%) CSS3
8 63 (26.47%) .NET
9 58 (24.37%) jQuery
10 56 (23.53%) SignalR
11 55 (23.11%) Node.js
12 53 (22.27%) JSON
13 47 (19.75%) ASP.NET
14 46 (19.33%) ASP.NET Web API
15 44 (18.49%) ASP.NET MVC
15 44 (18.49%) WCF
16 42 (17.65%) Ajax
17 40 (16.81%) LESS
17 40 (16.81%) Middleware
18 38 (15.97%) React
Miscellaneous
1 25 (10.50%) Fintech
2 24 (10.08%) User Experience
3 16 (6.72%) Linux Command Line
4 14 (5.88%) Enterprise Software
5 12 (5.04%) Data Structures
6 10 (4.20%) Bitcoin
7 9 (3.78%) Analytical Skills
7 9 (3.78%) Data Centre
8 7 (2.94%) Blog
8 7 (2.94%) Computer Science
8 7 (2.94%) SWIFT
9 6 (2.52%) Algorithms
10 4 (1.68%) Hedge funds
11 3 (1.26%) Mobile App
11 3 (1.26%) Spread Betting
12 2 (0.84%) Greenfield Project
13 1 (0.42%) Internet of Things
13 1 (0.42%) Mobile Banking
13 1 (0.42%) Public Cloud
13 1 (0.42%) Virtual Team
Operating Systems
1 35 (14.71%) Linux
2 5 (2.10%) Apple iOS
3 4 (1.68%) Android
4 3 (1.26%) Unix
5 1 (0.42%) Windows
Processes & Methodologies
1 83 (34.87%) Agile Software Development
2 74 (31.09%) Software Engineering
3 70 (29.41%) MVC
4 60 (25.21%) Front End Development
5 57 (23.95%) Low Latency
6 53 (22.27%) OO
7 52 (21.85%) Test Automation
8 48 (20.17%) DevOps
8 48 (20.17%) Web Development
9 44 (18.49%) Push Notifications
10 43 (18.07%) High-Frequency Trading
10 43 (18.07%) Mathematics
10 43 (18.07%) MVVM
11 37 (15.55%) Cross-Browser Compatibility
11 37 (15.55%) Scrum
12 35 (14.71%) OOP
12 35 (14.71%) TDD
13 34 (14.29%) Unit Testing
14 23 (9.66%) High Availability
15 21 (8.82%) Dependency Injection
Programming Languages
1 138 (57.98%) JavaScript
2 123 (51.68%) C#
3 69 (28.99%) F#
4 56 (23.53%) ES6
5 45 (18.91%) SQL
6 30 (12.61%) Java
7 26 (10.92%) ECMAScript
8 16 (6.72%) Python
9 9 (3.78%) TypeScript
10 7 (2.94%) PHP
11 6 (2.52%) JSX
11 6 (2.52%) Ruby
12 4 (1.68%) Perl
13 3 (1.26%) C++
14 2 (0.84%) Bourne shell
14 2 (0.84%) C
14 2 (0.84%) PL/SQL
15 1 (0.42%) Bash Shell
15 1 (0.42%) Scala
15 1 (0.42%) T-SQL
Qualifications
1 5 (2.10%) Degree
2 2 (0.84%) Security Cleared
Quality Assurance & Compliance
1 3 (1.26%) QA
2 2 (0.84%) GCP
3 1 (0.42%) GDPR
System Software
1 57 (23.95%) Docker
Systems Management
1 23 (9.66%) Kubernetes
2 19 (7.98%) Ansible
3 15 (6.30%) Opscode Chef
4 5 (2.10%) Business Desktop Deployment
4 5 (2.10%) Puppet
4 5 (2.10%) Systems Management Server (SMS)
5 1 (0.42%) Docker Swarm
5 1 (0.42%) Kibana
5 1 (0.42%) logstash
5 1 (0.42%) Nagios
Vendors
1 25 (10.50%) Microsoft
2 17 (7.14%) IBM
3 9 (3.78%) Apigee
3 9 (3.78%) CA
4 8 (3.36%) Google
4 8 (3.36%) TIBCO
5 7 (2.94%) SAP
5 7 (2.94%) webMethods
6 6 (2.52%) Oracle
7 4 (1.68%) SaltStack
8 3 (1.26%) Tableau
8 3 (1.26%) Xamarin
9 1 (0.42%) Alteryx
9 1 (0.42%) Apple
9 1 (0.42%) Facebook
9 1 (0.42%) Informatica
9 1 (0.42%) Sitecore
9 1 (0.42%) Talend
9 1 (0.42%) Teradata
9 1 (0.42%) Twitter
City, London
Harrington Starr
Salary: £60000 - £70000 per annum
Posted: 2 days ago
London
UBS
Posted: 3 days ago
North West London
Client Server
Salary: £75k to £85k + benefits
Posted: 5 days ago
London
Talent Point Ltd
Salary: £70000.00 - £80000.00 per annum
Posted: 5 days ago
London
Graham Matthews
Salary: From £60,000 to £75,000 per annum
Posted: 5 days ago
London
Cognizant
Salary: Unspecified
Posted: 4 days ago
London
Client Server
Salary: £80000 - £85000 per annum + bonus + benefits
Posted: 3 days ago
London
Client Server
Salary: £70k to £85k + bonus + benefits
Posted: 10 days ago
London
Talent Point
Salary: £70000.00 - £80000.00 per annum
Posted: 11 days ago
London
Client Server
Salary: £75k to £85k + benefits
Posted: 12 days ago
East London
Pirean Limited
Salary: Competitive Salary, Discretionary Bonus and Health Care
Posted: 19 days ago
London
Talent Point
Salary: £55000.00 - £70000.00 per annum
Posted: 17 days ago
London
Talent Point
Salary: £70000.00 - £80000.00 per annum
Posted: 25 days ago
London
CPS Group Limited
Salary: £50000 - £70000 per annum
Posted: 27 days ago
London
Context
Salary: £25k - £40k
Posted: 24 days ago