Period
to 15 January 2019

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 6 months to 15 January 2019 with a comparison to the same period in the previous 2 years.

WebSockets
England > London
6 months to
15 Jan 2019
Same period 2018 Same period 2017
Rank 540 499 622
Rank change year-on-year -41 +123 +187
Permanent jobs citing WebSockets 252 344 195
As % of all permanent IT jobs advertised in London 0.40% 0.49% 0.28%
As % of the Libraries, Frameworks & Software Standards category 0.98% 1.25% 0.69%
Number of salaries quoted 189 243 156
London median annual salary £72,500 £72,500 £70,000
Median salary % change year-on-year - +3.57% +12.00%
10th Percentile £52,250 £52,500 £43,750
90th Percentile £120,000 £100,000 £100,000
England median annual salary £70,000 £65,000 £55,000
% change year-on-year +7.69% +18.18% -8.33%

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 advertised in London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 25,624 27,443 28,097
As % of all permanent IT jobs advertised in London 40.80% 39.29% 40.11%
Number of salaries quoted 21,146 22,777 24,596
London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +9.09%
10th Percentile £38,250 £36,750 £35,000
90th Percentile £95,000 £90,000 £87,500
England median annual salary £52,500 £50,000 £47,500
% change year-on-year +5.00% +5.26% +5.56%

WebSockets
Job Vacancy Trend in London

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

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 6 months to 15 January 2019.

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 6 months to 15 January 2019. 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
Central London -4 31 £56,250 -19.64% 17
South London - 8 £72,500 - 1
West London - 6 £67,500 - 10
WebSockets
England

For the 6 months to 15 January 2019, IT jobs citing WebSockets also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region with a requirement for WebSockets.

1 136 (53.97%) Agile Software Development
2 132 (52.38%) JavaScript
3 126 (50.00%) C#
4 105 (41.67%) SQL
5 96 (38.10%) NoSQL
5 96 (38.10%) React
6 93 (36.90%) Finance
7 92 (36.51%) SignalR
8 87 (34.52%) HTML
9 84 (33.33%) .NET
10 76 (30.16%) AngularJS
11 65 (25.79%) Git (software)
12 64 (25.40%) CSS
13 62 (24.60%) Windows
14 61 (24.21%) Amazon AWS
15 59 (23.41%) Front End Development
16 57 (22.62%) Microsoft Azure
16 57 (22.62%) Hedge funds
17 56 (22.22%) REST
18 54 (21.43%) Test Automation
19 52 (20.63%) Node.js
20 50 (19.84%) RESTful
20 50 (19.84%) MVC
21 49 (19.44%) HTML5
22 48 (19.05%) Web Development
22 48 (19.05%) Fintech
23 47 (18.65%) SaaS
24 44 (17.46%) Docker
25 40 (15.87%) TypeScript
26 39 (15.48%) Microservices

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 29 (11.51%) Elasticsearch
2 14 (5.56%) CMS
3 8 (3.17%) Ethereum
4 7 (2.78%) Apache Spark
5 6 (2.38%) Apache
6 3 (1.19%) Gunicorn
6 3 (1.19%) Jupyter
7 2 (0.79%) nginx
7 2 (0.79%) Tornado
8 1 (0.40%) Confluence
8 1 (0.40%) uWSGI
Applications
1 1 (0.40%) Photoshop
Cloud Services
1 61 (24.21%) Amazon AWS
2 57 (22.62%) Microsoft Azure
3 47 (18.65%) SaaS
4 17 (6.75%) npm
5 10 (3.97%) GitHub
6 4 (1.59%) Amazon S3
7 3 (1.19%) Cloud Computing
7 3 (1.19%) Yarn
8 1 (0.40%) Serverless
Communications & Networking
1 25 (9.92%) Internet
1 25 (9.92%) TCP/IP
2 21 (8.33%) HTTP
3 11 (4.37%) Reverse Proxy
4 10 (3.97%) Ethernet
4 10 (3.97%) MPLS
4 10 (3.97%) VPN
5 8 (3.17%) Peer-to-Peer Networking
6 7 (2.78%) RTMP
7 6 (2.38%) Bluetooth
8 3 (1.19%) HTTPS
8 3 (1.19%) MQTT
8 3 (1.19%) NFC
Database & Business Intelligence
1 96 (38.10%) NoSQL
2 26 (10.32%) MongoDB
3 23 (9.13%) Blockchain
4 16 (6.35%) SQL Server
5 14 (5.56%) Event Store
6 10 (3.97%) Big Data
7 9 (3.57%) PostgreSQL
8 7 (2.78%) Relational Database
9 6 (2.38%) Amazon Redshift
9 6 (2.38%) Hadoop
10 5 (1.98%) Redis
11 3 (1.19%) Aerospike
12 2 (0.79%) Apache Ignite
12 2 (0.79%) MySQL
12 2 (0.79%) VoltDB
Development Applications
1 65 (25.79%) Git (software)
2 22 (8.73%) webpack
3 18 (7.14%) Octopus Deploy
4 16 (6.35%) Jenkins
5 13 (5.16%) Atlassian Bamboo
5 13 (5.16%) Bitbucket
6 10 (3.97%) Gradle
6 10 (3.97%) Mocha
7 8 (3.17%) Cucumber
7 8 (3.17%) Jasmine
7 8 (3.17%) Karma Test Runner
7 8 (3.17%) Visual Studio Team System
8 7 (2.78%) Ant
8 7 (2.78%) Grunt
8 7 (2.78%) Maven
8 7 (2.78%) Visual Studio Coded UI
9 6 (2.38%) TeamCity
10 5 (1.98%) git-flow
11 4 (1.59%) gulp
11 4 (1.59%) PostCSS
General
1 93 (36.90%) Finance
2 11 (4.37%) Banking
3 10 (3.97%) Telecoms
4 8 (3.17%) Investment Banking
5 6 (2.38%) Automotive
6 3 (1.19%) Games
7 2 (0.79%) Music Industry
8 1 (0.40%) Law
8 1 (0.40%) Polish Language
Job Titles
1 168 (66.67%) Developer
2 68 (26.98%) C# Developer
3 46 (18.25%) Lead Developer
4 26 (10.32%) Front End Developer (Client-Side Developer)
5 24 (9.52%) HTML Developer
6 23 (9.13%) Lead C# Developer
6 23 (9.13%) Software Engineer
7 21 (8.33%) JavaScript Developer
8 20 (7.94%) Head of Development
9 19 (7.54%) UI Developer
10 17 (6.75%) Full Stack Developer
11 16 (6.35%) .NET Developer
11 16 (6.35%) C# .NET Developer
12 15 (5.95%) Web Developer
13 14 (5.56%) ASP.NET Developer
13 14 (5.56%) C# ASP.NET Developer
13 14 (5.56%) React Developer
13 14 (5.56%) Senior Software Engineer
14 13 (5.16%) Angular Developer
14 13 (5.16%) Senior Developer
Libraries, Frameworks & Software Standards
1 96 (38.10%) React
2 92 (36.51%) SignalR
3 87 (34.52%) HTML
4 84 (33.33%) .NET
5 76 (30.16%) AngularJS
6 64 (25.40%) CSS
7 56 (22.22%) REST
8 52 (20.63%) Node.js
9 50 (19.84%) RESTful
10 49 (19.44%) HTML5
11 39 (15.48%) RabbitMQ
12 33 (13.10%) Redux
13 30 (11.90%) ASP.NET
14 25 (9.92%) Reactive Extensions
15 23 (9.13%) JSON
16 20 (7.94%) Kafka
17 19 (7.54%) ASP.NET MVC
17 19 (7.54%) ASP.NET Web API
17 19 (7.54%) CSS3
17 19 (7.54%) jQuery
Miscellaneous
1 57 (22.62%) Hedge funds
2 48 (19.05%) Fintech
3 34 (13.49%) User Experience
4 20 (7.94%) Analytical Skills
5 17 (6.75%) Spread Betting
6 14 (5.56%) Virtual Team
7 13 (5.16%) Data Structures
7 13 (5.16%) Greenfield Project
8 11 (4.37%) Algorithms
9 9 (3.57%) Client/Server
9 9 (3.57%) Self-Motivation
10 8 (3.17%) Mobile App
11 3 (1.19%) Internet of Things
11 3 (1.19%) iPhone
11 3 (1.19%) Private Cloud
11 3 (1.19%) Social Network
12 2 (0.79%) Browser Games
12 2 (0.79%) Derivative
12 2 (0.79%) Robotics
13 1 (0.40%) Equities
Operating Systems
1 62 (24.60%) Windows
2 20 (7.94%) Linux
3 9 (3.57%) Unix
4 8 (3.17%) Windows 10
5 7 (2.78%) Apple iOS
6 3 (1.19%) Android
7 1 (0.40%) CentOS
7 1 (0.40%) Red Hat Enterprise Linux
Processes & Methodologies
1 136 (53.97%) Agile Software Development
2 59 (23.41%) Front End Development
3 54 (21.43%) Test Automation
4 50 (19.84%) MVC
5 48 (19.05%) Web Development
6 39 (15.48%) Microservices
7 38 (15.08%) Mentoring
8 34 (13.49%) Unit Testing
9 30 (11.90%) OO
10 29 (11.51%) Software Engineering
11 28 (11.11%) TDD
12 25 (9.92%) DevOps
13 19 (7.54%) Event-Driven Architecture
14 18 (7.14%) Multithreading
14 18 (7.14%) Push Notifications
15 16 (6.35%) Cross-Browser Compatibility
15 16 (6.35%) Machine Learning
16 15 (5.95%) Analytics
16 15 (5.95%) Problem-Solving
16 15 (5.95%) Software Delivery
Programming Languages
1 132 (52.38%) JavaScript
2 126 (50.00%) C#
3 105 (41.67%) SQL
4 40 (15.87%) TypeScript
5 30 (11.90%) Python
6 28 (11.11%) Java
7 24 (9.52%) ES6
7 24 (9.52%) Go
8 21 (8.33%) F#
9 19 (7.54%) PowerShell
10 10 (3.97%) C++
11 9 (3.57%) Ruby
12 6 (2.38%) Elixir
13 4 (1.59%) Apple Swift
13 4 (1.59%) Java 8
14 3 (1.19%) Objective-C
15 2 (0.79%) ES7
15 2 (0.79%) GLSL
15 2 (0.79%) PHP
15 2 (0.79%) Solidity
Qualifications
1 13 (5.16%) Degree
2 6 (2.38%) Computer Science Degree
3 1 (0.40%) ISEB
3 1 (0.40%) Master's Degree
Quality Assurance & Compliance
1 9 (3.57%) QA
System Software
1 44 (17.46%) Docker
2 8 (3.17%) VMware Infrastructure
3 2 (0.79%) GridGain
Systems Management
1 10 (3.97%) Opscode Chef
2 9 (3.57%) Ansible
3 8 (3.17%) Puppet
4 3 (1.19%) Kibana
4 3 (1.19%) logstash
5 1 (0.40%) Docker Swarm
5 1 (0.40%) Kubernetes
Vendors
1 22 (8.73%) Microsoft
2 8 (3.17%) VMware
3 7 (2.78%) Splunk
3 7 (2.78%) Twitter
4 6 (2.38%) BT
4 6 (2.38%) Facebook
5 4 (1.59%) Google
6 1 (0.40%) Atlassian
6 1 (0.40%) Cypress Semiconductor
6 1 (0.40%) HP
6 1 (0.40%) Red Hat
6 1 (0.40%) Salesforce.com
6 1 (0.40%) Signiant