Period
to 28 November 2020

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 28 November 2020 with a comparison to the same period in the previous 2 years.

WebSockets
England > London
6 months to
28 Nov 2020
Same period 2019 Same period 2018
Rank 413 579 527
Rank change year-on-year +166 -52 +20
Permanent jobs citing WebSockets 69 136 293
As % of all permanent jobs advertised in London 0.32% 0.25% 0.44%
As % of the Libraries, Frameworks & Software Standards category 0.70% 0.63% 1.07%
Number of salaries quoted 86 124 223
Median annual salary £75,000 £70,000 £70,000
Median salary % change year-on-year +7.14% - -
10th Percentile £50,000 £45,375 £52,500
90th Percentile £92,500 £100,000 £110,000
England median annual salary £72,500 £57,500 £70,000
% change year-on-year +26.09% -17.86% +16.67%

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 9,903 21,732 27,370
As % of all permanent IT jobs advertised in London 45.40% 40.03% 40.94%
Number of salaries quoted 8,597 18,113 22,645
Median annual salary £70,000 £70,000 £65,000
Median salary % change year-on-year - +7.69% +8.33%
10th Percentile £46,250 £41,250 £37,500
90th Percentile £110,000 £101,250 £95,000
England median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +4.76% +5.00%

WebSockets
Job Vacancy Trend in London

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

Job vacancy trend for WebSockets in London

WebSockets
Salary Trend in London

3-month moving average salary quoted in jobs citing WebSockets in London.

Salary trend for WebSockets in London

WebSockets
Salary Histogram in London

Salary distribution for jobs citing WebSockets in London over the 6 months to 28 November 2020.

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 28 November 2020. 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 +118 10 £80,000 +14.29% 1
West London +82 4 £65,000 +4.00% 5
South London +46 3 £67,500 +12.50% 1
WebSockets
England

For the 6 months to 28 November 2020, 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 41 (59.42%) JavaScript
2 31 (44.93%) HTML
2 31 (44.93%) AWS
2 31 (44.93%) REST
3 30 (43.48%) CSS
4 25 (36.23%) TypeScript
4 25 (36.23%) React
5 24 (34.78%) Docker
5 24 (34.78%) Agile Software Development
6 23 (33.33%) Microservices
7 22 (31.88%) Python
8 21 (30.43%) Java
8 21 (30.43%) User Experience
8 21 (30.43%) AngularJS
9 20 (28.99%) Node.js
9 20 (28.99%) Kafka
10 19 (27.54%) C#
11 18 (26.09%) .NET
11 18 (26.09%) Git (software)
12 17 (24.64%) SQL Server
13 16 (23.19%) SQL
13 16 (23.19%) PostgreSQL
13 16 (23.19%) Kubernetes
13 16 (23.19%) HTML5
14 13 (18.84%) .NET Core
14 13 (18.84%) OO
14 13 (18.84%) RESTful
15 12 (17.39%) Mentoring
15 12 (17.39%) Software Engineering
15 12 (17.39%) Web Services

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 8 (11.59%) Apache
2 7 (10.14%) Apache Spark
2 7 (10.14%) CMS
3 6 (8.70%) Elasticsearch
4 5 (7.25%) IIS
5 2 (2.90%) Confluence
6 1 (1.45%) nginx
6 1 (1.45%) Oracle Workflow
Applications
1 5 (7.25%) Chatbot
2 3 (4.35%) Figma
3 2 (2.90%) Adobe Illustrator
3 2 (2.90%) Fireworks
3 2 (2.90%) Inkscape
3 2 (2.90%) Photoshop
Cloud Services
1 31 (44.93%) AWS
2 11 (15.94%) Azure
2 11 (15.94%) Serverless
3 10 (14.49%) AWS Lambda
4 7 (10.14%) Amazon ECS
4 7 (10.14%) Apigee
5 6 (8.70%) Amazon Kinesis
6 5 (7.25%) GitHub
6 5 (7.25%) SaaS
7 4 (5.80%) GCP
7 4 (5.80%) npm
8 3 (4.35%) AWS CloudFormation
8 3 (4.35%) Cloud Computing
9 1 (1.45%) Amazon S3
Communications & Networking
1 8 (11.59%) HTTP
2 4 (5.80%) AMQP
3 2 (2.90%) SSH
4 1 (1.45%) Internet
Database & Business Intelligence
1 17 (24.64%) SQL Server
2 16 (23.19%) PostgreSQL
3 10 (14.49%) MySQL
4 8 (11.59%) MongoDB
4 8 (11.59%) NoSQL
5 7 (10.14%) Amazon Redshift
6 4 (5.80%) MariaDB
7 3 (4.35%) Aerospike
7 3 (4.35%) Oracle Database
7 3 (4.35%) Oracle Database 12c
7 3 (4.35%) Redis
7 3 (4.35%) Relational Database
8 2 (2.90%) SQLite
9 1 (1.45%) Amazon DynamoDB
Development Applications
1 18 (26.09%) Git (software)
2 9 (13.04%) webpack
3 5 (7.25%) Octopus Deploy
3 5 (7.25%) TeamCity
4 4 (5.80%) Bitbucket
4 4 (5.80%) Jenkins
5 3 (4.35%) JIRA
5 3 (4.35%) Mercurial
5 3 (4.35%) Mocha
6 2 (2.90%) git-flow
6 2 (2.90%) GoCD
6 2 (2.90%) MSBuild
6 2 (2.90%) Selenium
7 1 (1.45%) Atlassian Bamboo
7 1 (1.45%) GitLab
7 1 (1.45%) Jasmine
7 1 (1.45%) Karma Test Runner
7 1 (1.45%) Moq
7 1 (1.45%) SpecFlow
General
1 9 (13.04%) Finance
2 5 (7.25%) Games
2 5 (7.25%) Local Government
3 3 (4.35%) Automotive
3 3 (4.35%) Front Office
4 1 (1.45%) Back Office
4 1 (1.45%) Banking
Job Titles
1 44 (63.77%) Developer
2 18 (26.09%) Full Stack Developer
3 15 (21.74%) React Developer
3 15 (21.74%) Senior Developer
4 13 (18.84%) Architect
4 13 (18.84%) Java Architect
5 12 (17.39%) Java Solutions Architect
5 12 (17.39%) Solutions Architect
6 11 (15.94%) AWS Architect
7 10 (14.49%) AWS Solutions Architect
8 9 (13.04%) Senior Full Stack Developer
9 7 (10.14%) JavaScript Developer
9 7 (10.14%) Software Engineer
10 5 (7.25%) C# Software Engineer
10 5 (7.25%) Front End Developer (Client-Side Developer)
10 5 (7.25%) JavaScript Engineer
10 5 (7.25%) Senior Architect
10 5 (7.25%) Senior Java Architect
10 5 (7.25%) Senior React Developer
10 5 (7.25%) Senior Solutions Architect
Libraries, Frameworks & Software Standards
1 31 (44.93%) HTML
1 31 (44.93%) REST
2 30 (43.48%) CSS
3 25 (36.23%) React
4 21 (30.43%) AngularJS
5 20 (28.99%) Kafka
5 20 (28.99%) Node.js
6 18 (26.09%) .NET
7 16 (23.19%) HTML5
8 13 (18.84%) .NET Core
8 13 (18.84%) RESTful
9 12 (17.39%) GraphQL
9 12 (17.39%) Web Services
10 11 (15.94%) ASP.NET Web API
10 11 (15.94%) Redux
11 10 (14.49%) RabbitMQ
12 9 (13.04%) jQuery
13 8 (11.59%) React Native
13 8 (11.59%) Sass
14 7 (10.14%) Express
Miscellaneous
1 21 (30.43%) User Experience
2 11 (15.94%) Foreign Exchange (FX)
3 8 (11.59%) Greenfield Project
4 6 (8.70%) Mobile App
5 5 (7.25%) Robotics
6 3 (4.35%) Analytical Skills
6 3 (4.35%) Fixed Income
7 2 (2.90%) Linux Command Line
7 2 (2.90%) Virtual Team
8 1 (1.45%) Algorithms
8 1 (1.45%) Client/Server
8 1 (1.45%) Cloud Native
8 1 (1.45%) Data Structures
8 1 (1.45%) Derivative
8 1 (1.45%) Hedge funds
8 1 (1.45%) Media Streaming
8 1 (1.45%) Music Streaming
8 1 (1.45%) Social Media
Operating Systems
1 8 (11.59%) Linux
2 6 (8.70%) Windows
3 4 (5.80%) Unix
4 3 (4.35%) Android
4 3 (4.35%) Apple iOS
5 1 (1.45%) CentOS
5 1 (1.45%) Debian
5 1 (1.45%) Red Hat Enterprise Linux
Processes & Methodologies
1 24 (34.78%) Agile Software Development
2 23 (33.33%) Microservices
3 13 (18.84%) OO
4 12 (17.39%) Mentoring
4 12 (17.39%) Software Engineering
5 11 (15.94%) Scrum
5 11 (15.94%) Test Automation
6 10 (14.49%) OOP
6 10 (14.49%) Technology Roadmap
7 9 (13.04%) DevOps
7 9 (13.04%) Problem-Solving
7 9 (13.04%) Web Development
8 8 (11.59%) Front End Development
8 8 (11.59%) SDLC
9 7 (10.14%) Analytics
9 7 (10.14%) Unit Testing
10 6 (8.70%) Artificial Intelligence
10 6 (8.70%) B2B
10 6 (8.70%) Computer Science
10 6 (8.70%) MVC
Programming Languages
1 41 (59.42%) JavaScript
2 25 (36.23%) TypeScript
3 22 (31.88%) Python
4 21 (30.43%) Java
5 19 (27.54%) C#
6 16 (23.19%) SQL
7 6 (8.70%) PHP
8 3 (4.35%) Java 8
8 3 (4.35%) PHP 5
8 3 (4.35%) PHP 7
9 2 (2.90%) ES6
9 2 (2.90%) ES7
9 2 (2.90%) Kotlin
9 2 (2.90%) PowerShell
9 2 (2.90%) T-SQL
9 2 (2.90%) XAML
10 1 (1.45%) Go
Qualifications
1 10 (14.49%) Degree
2 7 (10.14%) Sun Certification
3 6 (8.70%) Computer Science Degree
4 3 (4.35%) Master's Degree
Quality Assurance & Compliance
1 5 (7.25%) QA
System Software
1 24 (34.78%) Docker
Systems Management
1 16 (23.19%) Kubernetes
2 5 (7.25%) Terraform
3 4 (5.80%) Ansible
4 3 (4.35%) Opscode Chef
Vendors
1 7 (10.14%) Google
2 5 (7.25%) Oracle
3 3 (4.35%) Atlassian
3 3 (4.35%) TIBCO
4 1 (1.45%) Microsoft
4 1 (1.45%) NVIDIA