Period
to 21 November 2017

The following table provides summary statistics for permanent job vacancies with a requirement for WebSockets skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited WebSockets over the 6 months to 21 November 2017 with a comparison to the same period in the previous 2 years.

WebSockets
UK
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 768 922 1071
Rank change year-on-year +154 +149 +102
Permanent jobs citing WebSockets 458 323 230
As % of all permanent IT jobs advertised in the UK 0.25% 0.17% 0.11%
As % of the Libraries, Frameworks & Software Standards category 0.63% 0.44% 0.28%
Number of salaries quoted 347 281 184
UK median annual salary £60,000 £55,000 £60,000
Median salary % change year-on-year +9.09% -8.33% +20.00%
10th Percentile £40,000 £35,000 £30,300
90th Percentile £94,250 £85,000 £87,500
UK excluding London median annual salary £45,000 £45,000 £47,500
% change year-on-year - -5.26% +11.76%

WebSockets is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 72598 73664 82620
As % of all permanent IT jobs advertised in the UK 40.13% 39.00% 38.02%
Number of salaries quoted 60360 63976 70627
UK median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% +2.27%
10th Percentile £29,750 £28,750 £27,500
90th Percentile £77,500 £76,250 £73,750
UK excluding London median annual salary £42,500 £42,000 £40,000
% change year-on-year +1.19% +5.00% -

WebSockets
Job Vacancy Trend

Job postings citing WebSockets as a percentage of all IT jobs advertised.

Job vacancy trend for WebSockets in the UK

WebSockets
Salary Trend

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

Salary trend for WebSockets in the UK

WebSockets
Salary Histogram

The salary distribution of IT jobs citing WebSockets over the 6 months to 21 November 2017.

Salary histogram for WebSockets in the UK

WebSockets
Top 15 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing WebSockets within the UK over the 6 months to 21 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +138 444 £60,000 +9.09% 40
London +145 329 £70,000 +12.00% 26
UK excluding London +18 124 £45,000 - 16
South East +59 54 £55,000 +6.80% 4
Midlands +63 35 £42,500 +13.33% 7
West Midlands +35 29 £40,000 +6.67% 7
North of England +4 21 £45,000 +16.88% 1
North West -7 18 £45,000 +16.88% 1
East Midlands - 6 £55,000 -
Scotland -15 5 £47,500 -
Northern Ireland - 4 £52,500 -
East of England -29 3 £52,500 - 2
South West +7 2 £36,000 -0.69%
North East - 2 £54,000 -
Yorkshire +19 1 £45,000 -5.26%

For the 6 months to 21 November 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 with a requirement for WebSockets.

1 234 (51.09%) Agile Software Development
2 229 (50.00%) JavaScript
3 194 (42.36%) REST
4 172 (37.55%) HTML
5 168 (36.68%) Finance
6 154 (33.62%) CSS
7 148 (32.31%) Java
8 136 (29.69%) Scrum
9 130 (28.38%) AngularJS
10 124 (27.07%) HTML5
11 122 (26.64%) JSON
12 108 (23.58%) RESTful
13 107 (23.36%) Node.js
14 101 (22.05%) C#
15 100 (21.83%) React
16 98 (21.40%) .NET
17 97 (21.18%) NoSQL
18 96 (20.96%) SQL
19 88 (19.21%) Linux
19 88 (19.21%) Mathematics
19 88 (19.21%) jQuery
20 87 (19.00%) Ajax
21 85 (18.56%) Degree
22 81 (17.69%) CSS3
23 80 (17.47%) Test Automation
23 80 (17.47%) OO
24 78 (17.03%) Software Engineering
25 77 (16.81%) TDD
26 75 (16.38%) Microservices
27 74 (16.16%) Banking

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 47 (10.26%) Apache
2 21 (4.59%) Confluence
3 19 (4.15%) CMS
4 12 (2.62%) Ethereum
5 11 (2.40%) Hyperledger
6 9 (1.97%) Elasticsearch
7 8 (1.75%) nginx
8 6 (1.31%) Umbraco
9 5 (1.09%) NServiceBus
10 4 (0.87%) SharePoint
10 4 (0.87%) WebSphere
11 3 (0.66%) Sitecore CMS
12 2 (0.44%) Apache Spark
12 2 (0.44%) Gunicorn
12 2 (0.44%) IIS
12 2 (0.44%) JBoss
12 2 (0.44%) Tornado
12 2 (0.44%) uWSGI
13 1 (0.22%) WordPress
Business Applications
1 4 (0.87%) Payment Gateway
2 1 (0.22%) Magento
Cloud Services
1 56 (12.23%) Amazon AWS
2 46 (10.04%) GitHub
3 20 (4.37%) Microsoft Azure
4 18 (3.93%) Slack
5 17 (3.71%) SaaS
5 17 (3.71%) Trello
6 14 (3.06%) IaaS
6 14 (3.06%) npm
7 9 (1.97%) Cloud Computing
8 8 (1.75%) Amazon EC2
8 8 (1.75%) Google Cloud Platform
9 7 (1.53%) Amazon S3
10 6 (1.31%) AWS Lambda
10 6 (1.31%) Serverless
11 5 (1.09%) Google App Engine
12 2 (0.44%) Amazon ELB
12 2 (0.44%) Amazon SQS
12 2 (0.44%) Route 53
13 1 (0.22%) Amazon Kinesis
13 1 (0.22%) CloudFront
Communications & Networking
1 39 (8.52%) HTTP
2 37 (8.08%) Internet
3 13 (2.84%) TCP/IP
4 10 (2.18%) Cisco IOS
5 8 (1.75%) HTTPS
5 8 (1.75%) VoIP
5 8 (1.75%) VSAT
6 4 (0.87%) SNMP
7 2 (0.44%) Intranet
8 1 (0.22%) DHCP
8 1 (0.22%) RS-232
8 1 (0.22%) SMS
8 1 (0.22%) SSH
Database & Business Intelligence
1 97 (21.18%) NoSQL
2 67 (14.63%) PostgreSQL
3 64 (13.97%) MongoDB
4 42 (9.17%) SQL Server
5 27 (5.90%) Relational Database
6 24 (5.24%) MySQL
7 22 (4.80%) Big Data
8 21 (4.59%) Redis
9 20 (4.37%) Apache Cassandra
10 19 (4.15%) Blockchain
11 15 (3.28%) Infinispan
12 10 (2.18%) Event Store
13 9 (1.97%) RDBMS
14 7 (1.53%) SQL Server Integration Services
15 5 (1.09%) Amazon DynamoDB
15 5 (1.09%) Geospatial Data
15 5 (1.09%) GIS
16 4 (0.87%) KDB
16 4 (0.87%) Kdb+
17 3 (0.66%) Hadoop
Development Applications
1 64 (13.97%) Git (software)
2 43 (9.39%) webpack
3 36 (7.86%) gulp
4 34 (7.42%) Grunt
5 33 (7.21%) Jenkins
6 31 (6.77%) Jasmine
7 29 (6.33%) JIRA
8 27 (5.90%) Cucumber
9 19 (4.15%) Selenium
9 19 (4.15%) Subversion
10 17 (3.71%) JUnit
11 16 (3.49%) IntelliJ
11 16 (3.49%) Maven
12 15 (3.28%) Atlassian Bamboo
13 14 (3.06%) FishEye
14 12 (2.62%) Karma Test Runner
14 12 (2.62%) WebDriver
15 11 (2.40%) Octopus Deploy
16 10 (2.18%) Mocha
17 9 (1.97%) TeamCity
General
1 168 (36.68%) Finance
2 74 (16.16%) Banking
3 50 (10.92%) Investment Banking
4 46 (10.04%) Retail Banking
5 26 (5.68%) Games
6 21 (4.59%) Retail
7 20 (4.37%) Marketing
8 18 (3.93%) Telecoms
9 10 (2.18%) Electronics
10 9 (1.97%) Publishing
11 8 (1.75%) Manufacturing
12 7 (1.53%) Advertising
12 7 (1.53%) Front Office
13 5 (1.09%) Legal
14 3 (0.66%) Automotive
14 3 (0.66%) Back Office
14 3 (0.66%) Music Industry
15 2 (0.44%) Financial Institution
16 1 (0.22%) iGaming
16 1 (0.22%) Law
Job Titles
1 351 (76.64%) Developer
2 106 (23.14%) Senior Developer
3 83 (18.12%) Java Developer
4 63 (13.76%) JavaScript Developer
5 62 (13.54%) Full Stack Developer
6 59 (12.88%) Front End Developer (Client-Side Developer)
7 42 (9.17%) Web Developer
8 38 (8.30%) Python Developer
9 33 (7.21%) Applications Developer
10 32 (6.99%) Senior Web Developer
11 29 (6.33%) HTML Developer
12 28 (6.11%) Web Applications Developer
13 26 (5.68%) .NET Developer
13 26 (5.68%) Senior Applications Developer
13 26 (5.68%) Senior Web Applications Developer
14 25 (5.46%) Node.js Developer
15 24 (5.24%) Angular Developer
15 24 (5.24%) Architect
16 23 (5.02%) Software Engineer
17 20 (4.37%) Software Developer
Libraries, Frameworks & Software Standards
1 194 (42.36%) REST
2 172 (37.55%) HTML
3 154 (33.62%) CSS
4 130 (28.38%) AngularJS
5 124 (27.07%) HTML5
6 122 (26.64%) JSON
7 108 (23.58%) RESTful
8 107 (23.36%) Node.js
9 100 (21.83%) React
10 98 (21.40%) .NET
11 88 (19.21%) jQuery
12 87 (19.00%) Ajax
13 81 (17.69%) CSS3
14 63 (13.76%) Akka
15 62 (13.54%) Web Services
16 52 (11.35%) ASP.NET
17 51 (11.14%) Sass
18 44 (9.61%) Spring MVC
19 37 (8.08%) Express
20 33 (7.21%) SignalR
Miscellaneous
1 72 (15.72%) Client/Server
2 69 (15.07%) Computer Science
3 47 (10.26%) Foreign Exchange (FX)
4 31 (6.77%) Greenfield Project
5 29 (6.33%) User Experience
6 23 (5.02%) Mobile App
7 22 (4.80%) Fintech
8 21 (4.59%) Enterprise Software
8 21 (4.59%) Hedge funds
9 13 (2.84%) Linux Command Line
9 13 (2.84%) Social Media
10 10 (2.18%) Driving Licence
11 9 (1.97%) Analytical Skills
11 9 (1.97%) Data Centre
12 8 (1.75%) Data Structures
12 8 (1.75%) NHS
13 7 (1.53%) Cloud Native
13 7 (1.53%) Equities
13 7 (1.53%) Fixed Income
14 6 (1.31%) Derivative
Operating Systems
1 88 (19.21%) Linux
2 35 (7.64%) Apple iOS
3 30 (6.55%) Windows
4 20 (4.37%) Unix
5 18 (3.93%) Android
6 2 (0.44%) Ubuntu
6 2 (0.44%) Windows Vista
7 1 (0.22%) Embedded Linux
Processes & Methodologies
1 234 (51.09%) Agile Software Development
2 136 (29.69%) Scrum
3 88 (19.21%) Mathematics
4 80 (17.47%) OO
4 80 (17.47%) Test Automation
5 78 (17.03%) Software Engineering
6 77 (16.81%) TDD
7 75 (16.38%) Microservices
8 69 (15.07%) Asset Management
9 67 (14.63%) BDD
9 67 (14.63%) Continuous Integration
9 67 (14.63%) Front End Development
10 65 (14.19%) Web Development
11 64 (13.97%) Multithreading
12 49 (10.70%) Unit Testing
13 48 (10.48%) OOP
14 46 (10.04%) DevOps
14 46 (10.04%) Low Latency
15 45 (9.83%) High-Frequency Trading
15 45 (9.83%) Wealth Management
Programming Languages
1 229 (50.00%) JavaScript
2 148 (32.31%) Java
3 101 (22.05%) C#
4 96 (20.96%) SQL
5 52 (11.35%) PHP
6 50 (10.92%) F#
6 50 (10.92%) Python
7 45 (9.83%) ES6
8 44 (9.61%) C++
9 40 (8.73%) C
10 26 (5.68%) TypeScript
11 20 (4.37%) Go
12 17 (3.71%) ECMAScript
13 16 (3.49%) Haskell
13 16 (3.49%) Scala
14 10 (2.18%) Clojure
15 8 (1.75%) Erlang
15 8 (1.75%) ML
15 8 (1.75%) Rust
15 8 (1.75%) Solidity
Qualifications
1 85 (18.56%) Degree
2 28 (6.11%) Computer Science Degree
3 8 (1.75%) PhD
4 4 (0.87%) Master's Degree
4 4 (0.87%) Security Cleared
5 3 (0.66%) SC Cleared
6 1 (0.22%) DBS Check
Quality Assurance & Compliance
1 34 (7.42%) QA
2 7 (1.53%) ISO 9001
2 7 (1.53%) ISO/IEC 27001
2 7 (1.53%) PSD2
3 4 (0.87%) WCAG
4 1 (0.22%) GCP
4 1 (0.22%) GDPR
4 1 (0.22%) JTAG
System Software
1 53 (11.57%) Docker
2 5 (1.09%) Firmware
3 2 (0.44%) Virtual Machines
Systems Management
1 13 (2.84%) Kubernetes
2 12 (2.62%) Ansible
3 6 (1.31%) Puppet
4 2 (0.44%) Packer
5 1 (0.22%) Docker Swarm
5 1 (0.22%) Kibana
5 1 (0.22%) logstash
5 1 (0.22%) Nagios
5 1 (0.22%) Opscode Chef
Vendors
1 29 (6.33%) Microsoft
2 19 (4.15%) Google
3 17 (3.71%) Red Hat
4 10 (2.18%) Cisco
4 10 (2.18%) IBM
5 9 (1.97%) Apigee
5 9 (1.97%) CA
6 8 (1.75%) Twitter
6 8 (1.75%) Xamarin
7 7 (1.53%) Oracle
7 7 (1.53%) Zend
8 6 (1.31%) SAP
9 5 (1.09%) Cognizant
10 4 (0.87%) Facebook
10 4 (0.87%) Sony
11 3 (0.66%) SaltStack
11 3 (0.66%) Sitecore
12 2 (0.44%) Atlassian
12 2 (0.44%) Splunk
13 1 (0.22%) webMethods