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 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
WebSockets
England / London
Rank 496 591 608
Rank change year-on-year +95 +17  
Permanent jobs citing WebSockets 81 65 48
As % of all permanent IT jobs advertised in London 0.24% 0.15% 0.11%
As % of the Libraries, Frameworks & Software Standards category 0.61% 0.39% 0.31%
Number of salaries quoted 73 59 33
Median salary £70,000 £60,000 £55,000
Median salary % change year-on-year +16.66% +9.09%  
90% offered a salary of more than £50,000 £35,000 £45,000
10% offered a salary of more than £100,000 £85,000 £70,000
UK excluding London median salary £45,000 £45,000 £45,000

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 13297 16747 15602
As % of all permanent IT job vacancies advertised in London 40.03% 39.93% 36.94%
Number of salaries quoted 11438 14622 13224
Median salary £57,500 £55,000 £54,000
Median salary % change year-on-year +4.54% +1.85%  
90% offered a salary of more than £37,500 £37,500 £35,000
10% offered a salary of more than £80,000 £72,500 £77,500
UK excluding London median salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +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 March 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 March 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 +45 4 £50,000 -50.00% 2
WebSockets
England

WebSockets
Top 30 Related IT Skills in London

For the 6 months to 26 March 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.

1 110 (55.28%) JavaScript
2 104 (52.26%) AngularJS
3 94 (47.24%) HTML
4 93 (46.73%) Finance
5 90 (45.23%) C#
6 85 (42.71%) CSS
7 76 (38.19%) NoSQL
8 73 (36.68%) HTML5
9 70 (35.18%) MVC
10 69 (34.67%) Agile Software Development
11 62 (31.16%) REST
11 62 (31.16%) RESTful
12 61 (30.65%) Sass
13 55 (27.64%) F#
14 52 (26.13%) Web Development
15 46 (23.12%) OO
16 44 (22.11%) Low Latency
17 43 (21.61%) Grunt
18 42 (21.11%) .NET
18 42 (21.11%) CSS3
19 40 (20.10%) Mathematics
19 40 (20.10%) High-Frequency Trading
20 39 (19.60%) Front End Development
20 39 (19.60%) Node.js
21 37 (18.59%) Functional Programming
22 34 (17.09%) Docker
23 33 (16.58%) SignalR
24 32 (16.08%) TypeScript
24 32 (16.08%) React
24 32 (16.08%) SQL

WebSockets
Top Related 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 21 (10.55%) CMS
2 18 (9.05%) Umbraco
3 11 (5.53%) Confluence
4 5 (2.51%) Elasticsearch
4 5 (2.51%) Ethereum
4 5 (2.51%) Hyperledger
5 3 (1.51%) nginx
5 3 (1.51%) OpenStack
6 2 (1.01%) Drupal
6 2 (1.01%) IIS
6 2 (1.01%) JBoss
6 2 (1.01%) Tomcat
7 1 (0.50%) Apache
7 1 (0.50%) Jetty
7 1 (0.50%) Oracle SOA Suite
7 1 (0.50%) WebLogic
7 1 (0.50%) WebSphere
Applications
1 24 (12.06%) Adobe Illustrator
1 24 (12.06%) Photoshop
2 15 (7.54%) MS Excel
3 1 (0.50%) Adobe Creative Suite
3 1 (0.50%) Spreadsheet
Cloud Services
1 17 (8.54%) Amazon AWS
2 16 (8.04%) Microsoft Azure
3 6 (3.02%) Cloud Computing
4 4 (2.01%) GitHub
4 4 (2.01%) Slack
5 3 (1.51%) Bluemix
5 3 (1.51%) Datadog
5 3 (1.51%) Heroku
5 3 (1.51%) IBM Cloud
5 3 (1.51%) Yammer
6 2 (1.01%) Google Cloud Platform
6 2 (1.01%) Google Play
6 2 (1.01%) SaaS
7 1 (0.50%) Amazon EC2
7 1 (0.50%) Amazon S3
7 1 (0.50%) PaaS
Communications & Networking
1 14 (7.04%) HTTP
2 11 (5.53%) Internet
3 5 (2.51%) VoIP
4 3 (1.51%) RTP
4 3 (1.51%) SSL
5 2 (1.01%) Unified Communications
5 2 (1.01%) Value-Added Service
6 1 (0.50%) AMQP
6 1 (0.50%) Firewall
6 1 (0.50%) HTTPS
6 1 (0.50%) TCP/IP
Database & Business Intelligence
1 76 (38.19%) NoSQL
2 16 (8.04%) Redis
3 13 (6.53%) Apache Cassandra
4 11 (5.53%) Blockchain
4 11 (5.53%) Event Store
5 10 (5.03%) Riak
6 8 (4.02%) PostgreSQL
7 7 (3.52%) SQL Server
8 6 (3.02%) MySQL
9 5 (2.51%) MongoDB
10 3 (1.51%) Hadoop
10 3 (1.51%) Relational Database
11 1 (0.50%) Big Data
11 1 (0.50%) InfluxDB
11 1 (0.50%) Oracle ODI
11 1 (0.50%) Qlik Sense
11 1 (0.50%) QlikView
11 1 (0.50%) RDBMS
11 1 (0.50%) Spotfire
11 1 (0.50%) SQL Server Integration Services
Development Applications
1 43 (21.61%) Grunt
2 26 (13.07%) Jenkins
2 26 (13.07%) Karma Test Runner
3 25 (12.56%) Git (software)
4 20 (10.05%) Selenium
5 19 (9.55%) gulp
6 16 (8.04%) Octopus Deploy
6 16 (8.04%) webpack
7 13 (6.53%) jspm
8 12 (6.03%) Maven
8 12 (6.03%) Subversion
9 11 (5.53%) Atlassian Bamboo
9 11 (5.53%) Eclipse
9 11 (5.53%) JIRA
10 10 (5.03%) Babel
10 10 (5.03%) IntelliJ
11 9 (4.52%) TeamCity
12 8 (4.02%) Bower
13 3 (1.51%) Travis CI
13 3 (1.51%) Yeoman
General
1 93 (46.73%) Finance
2 17 (8.54%) Games
3 12 (6.03%) Banking
4 6 (3.02%) Law
5 4 (2.01%) Legal
6 3 (1.51%) Back Office
6 3 (1.51%) Financial Institution
6 3 (1.51%) Pharmaceutical
7 2 (1.01%) Front Office
7 2 (1.01%) Investment Banking
7 2 (1.01%) Prime Brokerage
8 1 (0.50%) Advertising
8 1 (0.50%) Publishing
Job Titles
1 142 (71.36%) Developer
2 43 (21.61%) Angular Developer
3 36 (18.09%) C# Developer
3 36 (18.09%) Full Stack Developer
4 30 (15.08%) Front End Developer (Client-Side Developer)
4 30 (15.08%) Senior Developer
5 23 (11.56%) Web Developer
6 22 (11.06%) JavaScript Developer
7 19 (9.55%) .NET Developer
8 17 (8.54%) HTML Developer
9 16 (8.04%) UI Developer
10 14 (7.04%) Algorithm Engineer
11 12 (6.03%) Senior .NET Developer
12 11 (5.53%) Senior Front-End Developer
12 11 (5.53%) Web UI Developer
13 9 (4.52%) C# .NET Developer
14 7 (3.52%) F# Developer
14 7 (3.52%) Software Engineer
15 6 (3.02%) Java Developer
16 4 (2.01%) ASP.NET Developer
Libraries, Frameworks & Software Standards
1 104 (52.26%) AngularJS
2 94 (47.24%) HTML
3 85 (42.71%) CSS
4 73 (36.68%) HTML5
5 62 (31.16%) REST
5 62 (31.16%) RESTful
6 61 (30.65%) Sass
7 42 (21.11%) .NET
7 42 (21.11%) CSS3
8 39 (19.60%) Node.js
9 33 (16.58%) SignalR
10 32 (16.08%) ASP.NET
10 32 (16.08%) ASP.NET MVC
10 32 (16.08%) React
11 28 (14.07%) jQuery
12 27 (13.57%) Kafka
13 21 (10.55%) JSON
14 19 (9.55%) ASP.NET Web API
14 19 (9.55%) D3.js
14 19 (9.55%) WCF
Miscellaneous
1 30 (15.08%) Client/Server
2 28 (14.07%) User Experience
3 23 (11.56%) Analytical Skills
4 10 (5.03%) Fintech
5 9 (4.52%) Computer Science
6 8 (4.02%) Enterprise Software
7 5 (2.51%) Mobile App
8 4 (2.01%) Linux Command Line
9 3 (1.51%) Algorithms
9 3 (1.51%) Bitcoin
9 3 (1.51%) Foreign Exchange (FX)
9 3 (1.51%) Hedge funds
9 3 (1.51%) Online Games
9 3 (1.51%) Spread Betting
10 2 (1.01%) Fixed Income
10 2 (1.01%) N-Tier
10 2 (1.01%) Private Cloud
10 2 (1.01%) Xbox
11 1 (0.50%) Data Centre
11 1 (0.50%) Internet of Things
Operating Systems
1 22 (11.06%) Linux
2 5 (2.51%) Android
2 5 (2.51%) Apple iOS
3 3 (1.51%) Debian
3 3 (1.51%) Ubuntu
4 1 (0.50%) Unix
4 1 (0.50%) Windows
Processes & Methodologies
1 70 (35.18%) MVC
2 69 (34.67%) Agile Software Development
3 52 (26.13%) Web Development
4 46 (23.12%) OO
5 44 (22.11%) Low Latency
6 40 (20.10%) High-Frequency Trading
6 40 (20.10%) Mathematics
7 39 (19.60%) Front End Development
8 37 (18.59%) Functional Programming
9 32 (16.08%) Unit Testing
10 31 (15.58%) TDD
11 29 (14.57%) Software Engineering
12 26 (13.07%) Performance Tuning
12 26 (13.07%) Scrum
13 23 (11.56%) DevOps
13 23 (11.56%) Visualisation
14 20 (10.05%) Mobile Development
14 20 (10.05%) Responsive Web Design
15 18 (9.05%) Load Testing
15 18 (9.05%) Open Source
Programming Languages
1 110 (55.28%) JavaScript
2 90 (45.23%) C#
3 55 (27.64%) F#
4 32 (16.08%) SQL
4 32 (16.08%) TypeScript
5 31 (15.58%) Java
6 30 (15.08%) ES6
7 14 (7.04%) Scala
8 11 (5.53%) Python
9 9 (4.52%) PHP
10 5 (2.51%) Ruby
11 4 (2.01%) Bash Shell
11 4 (2.01%) Shell Script
12 2 (1.01%) C++
12 2 (1.01%) Objective-C
12 2 (1.01%) Perl
13 1 (0.50%) Bourne shell
13 1 (0.50%) C
13 1 (0.50%) PL/SQL
13 1 (0.50%) VB.NET
Qualifications
1 10 (5.03%) Degree
2 1 (0.50%) Security Cleared
Quality Assurance & Compliance
1 4 (2.01%) QA
2 3 (1.51%) WAI
3 2 (1.01%) GCP
System Software
1 34 (17.09%) Docker
Systems Management
1 15 (7.54%) Puppet
2 11 (5.53%) Ansible
3 10 (5.03%) Mesos
4 9 (4.52%) Opscode Chef
5 8 (4.02%) Kubernetes
6 5 (2.51%) Business Desktop Deployment
6 5 (2.51%) Systems Management Server (SMS)
7 2 (1.01%) HAProxy
8 1 (0.50%) Capistrano
Vendors
1 25 (12.56%) Microsoft
2 12 (6.03%) Splunk
3 8 (4.02%) Google
4 4 (2.01%) SaltStack
5 3 (1.51%) Apple
5 3 (1.51%) IBM
5 3 (1.51%) New Relic
5 3 (1.51%) Tableau
6 2 (1.01%) Oracle
6 2 (1.01%) TIBCO
7 1 (0.50%) Adobe
7 1 (0.50%) CA
7 1 (0.50%) Facebook
7 1 (0.50%) Informatica
7 1 (0.50%) SAP
7 1 (0.50%) Talend
7 1 (0.50%) Teradata
7 1 (0.50%) Twitter
7 1 (0.50%) webMethods
7 1 (0.50%) Xamarin
London
Westbourne Partners
Salary: From £60,000 to £90,000 per annum
Posted: Yesterday
South East London
Evolution Recruitment Solutions
Salary: 55,000-65,000
Posted: Yesterday
East London
Careerwise UK Limited
Salary: £50000 - £55000 per annum + benefits
Posted: 4 days ago
South East London
Evolution Recruitment Solutions
Salary: 55,000-65,000
Posted: Yesterday
London
Digitech Resourcing Ltd
Salary: From £50,000 to £70,000 per annum + Bonus
Posted: 2 days ago
London
Harvey Nash plc
Salary: £50000 - £70000 per annum
Posted: 6 days ago
London
Zorba Consulting Limited
Salary: £45k - 55k per year
Posted: 5 days ago
London
Client Server
Salary: £80k to £90k + bonus + benefits
Posted: 2 days ago
City, London
ANSON MCCADE
Salary: Circa £50,000 - £70,000 and strong bonus/benefits
Posted: 4 days ago
London
Westbourne Partners
Salary: Up to £100,000 per annum
Posted: Yesterday
London
Spargonet Consulting Plc
Salary: £50000 - £55000 per annum, Benefits Excellent Company Benefits
Posted: 6 days ago
London
Harrington Starr
Salary: £50000 - £65000 per annum + Benefits + Bonus
Posted: 6 days ago
London
Harrington Starr
Salary: £55000 - £70000 per annum + Benefits + Bonus
Posted: 5 days ago
Central London / West End
Stratospherec
Salary: From £50,000 to £65,000 per annum Excellent company benefits
Posted: 4 days ago
Central London / West End
Pimlico Banks Recruitment
Salary: Up to £90,000 per annum + Excellent Benefits
Posted: 4 days ago
London
Client Server
Salary: £70k to £85k + bonus + benefits
Posted: 26 days ago
London
Leidos
Posted: 17 days ago