Period
to 16 January 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for ES6 skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ES6 over the 6 months to 16 January 2021 with a comparison to the same period in the previous 2 years.

ECMAScript 2015 (JavaScript ES2015, ES6)
Central London > City of London
6 months to
16 Jan 2021
Same period 2020 Same period 2019
Rank 178 192 182
Rank change year-on-year +14 -10 +33
Permanent jobs citing ES6 38 114 173
As % of all permanent jobs advertised in the City of London 0.89% 1.25% 1.69%
As % of the Programming Languages category 1.39% 2.16% 2.69%
Number of salaries quoted 44 110 166
Median annual salary £67,000 £65,000 £65,000
Median salary % change year-on-year +3.08% - -3.70%
10th Percentile £57,500 £52,375 £45,625
90th Percentile £82,625 £81,250 £97,500
Central London median annual salary £67,000 £69,000 £65,000
% change year-on-year -2.90% +6.15% -3.70%

ES6 is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for coding skills.

All Programming Languages
City of London
Permanent vacancies with a requirement for coding skills 2,725 5,271 6,435
As % of all permanent IT jobs advertised in the City of London 63.73% 57.58% 62.92%
Number of salaries quoted 2,456 4,667 5,908
Median annual salary £72,500 £70,000 £65,000
Median salary % change year-on-year +3.57% +7.69% +4.00%
10th Percentile £46,250 £42,500 £40,250
90th Percentile £110,000 £102,500 £96,250
Central London median annual salary £70,000 £70,000 £65,000
% change year-on-year - +7.69% +8.33%

ES6
Job Vacancy Trend in the City of London

Job postings citing ES6 as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for ES6 in the City of London

ES6
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing ES6 in the City of London.

Salary trend for ES6 in the City of London

ES6
Salary Histogram in the City of London

Salary distribution for jobs citing ES6 in the City of London over the 6 months to 16 January 2021.

Salary histogram for ES6 in the City of London

For the 6 months to 16 January 2021, IT jobs citing ES6 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 City of London region with a requirement for ES6.

1 38 (100.00%) JavaScript
2 29 (76.32%) Agile Software Development
3 26 (68.42%) CSS
3 26 (68.42%) Node.js
4 25 (65.79%) HTML
5 24 (63.16%) TypeScript
6 22 (57.89%) HTML5
7 21 (55.26%) AngularJS
8 20 (52.63%) Finance
9 18 (47.37%) Docker
9 18 (47.37%) React
10 15 (39.47%) Java
11 14 (36.84%) Artificial Intelligence
11 14 (36.84%) AWS
12 13 (34.21%) Azure
12 13 (34.21%) CSS3
12 13 (34.21%) Redux
13 12 (31.58%) Web Development
13 12 (31.58%) Python
13 12 (31.58%) Git (software)
13 12 (31.58%) Microservices
13 12 (31.58%) Kubernetes
14 11 (28.95%) Kotlin
14 11 (28.95%) C#
14 11 (28.95%) Degree
14 11 (28.95%) GraphQL
14 11 (28.95%) ES7
15 10 (26.32%) Front End Development
15 10 (26.32%) Computer Science
15 10 (26.32%) OO

ES6
Co-occurring IT Skills in the City of 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 (21.05%) Apache Spark
2 5 (13.16%) Elasticsearch
3 1 (2.63%) CMS
3 1 (2.63%) SharePoint
3 1 (2.63%) WordPress
Applications
1 1 (2.63%) Adobe Illustrator
1 1 (2.63%) Photoshop
Cloud Services
1 14 (36.84%) AWS
2 13 (34.21%) Azure
3 8 (21.05%) Serverless
4 4 (10.53%) AWS Lambda
5 3 (7.89%) Azure Functions
5 3 (7.89%) GitHub
6 2 (5.26%) npm
7 1 (2.63%) Google Analytics
7 1 (2.63%) Google Tag Manager
7 1 (2.63%) Twilio
7 1 (2.63%) WhatsApp
Communications & Networking
1 1 (2.63%) Intranet
Database & Business Intelligence
1 8 (21.05%) Apache Hive
1 8 (21.05%) Big Data
1 8 (21.05%) Hadoop
1 8 (21.05%) NoSQL
2 1 (2.63%) PostgreSQL
2 1 (2.63%) SQL Server
2 1 (2.63%) SQL Server 2012
Development Applications
1 12 (31.58%) Git (software)
2 6 (15.79%) webpack
3 4 (10.53%) Babel
4 3 (7.89%) Gradle
4 3 (7.89%) IntelliJ
4 3 (7.89%) Jenkins
4 3 (7.89%) Maven
5 2 (5.26%) Cypress.io
5 2 (5.26%) gulp
6 1 (2.63%) Jasmine
6 1 (2.63%) PhantomJS
6 1 (2.63%) PostCSS
6 1 (2.63%) RSpec
6 1 (2.63%) Selenium
6 1 (2.63%) Storybook
6 1 (2.63%) Visual Studio
6 1 (2.63%) Visual Studio Team System
General
1 20 (52.63%) Finance
2 1 (2.63%) Banking
2 1 (2.63%) Games
2 1 (2.63%) Marketing
2 1 (2.63%) Telecoms
Job Titles
1 34 (89.47%) Developer
2 13 (34.21%) Java Developer
3 11 (28.95%) Senior Developer
4 9 (23.68%) Front End Developer (Client-Side Developer)
5 7 (18.42%) React Developer
6 5 (13.16%) Senior Front-End Developer
6 5 (13.16%) Web Developer
7 4 (10.53%) Full Stack Developer
8 3 (7.89%) JavaScript Developer
8 3 (7.89%) Senior React Developer
8 3 (7.89%) Senior Software Developer
8 3 (7.89%) Software Developer
9 2 (5.26%) Artificial Intelligence Developer
9 2 (5.26%) Senior Web Developer
9 2 (5.26%) UI Developer
9 2 (5.26%) UI Engineer
9 2 (5.26%) Web UI Developer
10 1 (2.63%) Angular Developer
10 1 (2.63%) Front End Web Developer (Client-Side Developer)
10 1 (2.63%) HTML CSS Developer
Libraries, Frameworks & Software Standards
1 26 (68.42%) CSS
1 26 (68.42%) Node.js
2 25 (65.79%) HTML
3 22 (57.89%) HTML5
4 21 (55.26%) AngularJS
5 18 (47.37%) React
6 13 (34.21%) CSS3
6 13 (34.21%) Redux
7 11 (28.95%) GraphQL
8 10 (26.32%) RESTful
8 10 (26.32%) Sass
9 5 (13.16%) Express
9 5 (13.16%) Twitter Bootstrap
10 4 (10.53%) Jest
10 4 (10.53%) jQuery
10 4 (10.53%) Vue.js
10 4 (10.53%) Web Components
11 3 (7.89%) .NET Core
11 3 (7.89%) ASP.NET Core
11 3 (7.89%) ASP.NET MVC
Miscellaneous
1 6 (15.79%) Greenfield Project
2 3 (7.89%) W3C
3 1 (2.63%) Blog
3 1 (2.63%) Mobile App
3 1 (2.63%) Spread Betting
3 1 (2.63%) User Experience
Processes & Methodologies
1 29 (76.32%) Agile Software Development
2 14 (36.84%) Artificial Intelligence
3 12 (31.58%) Microservices
3 12 (31.58%) Web Development
4 10 (26.32%) Computer Science
4 10 (26.32%) Front End Development
4 10 (26.32%) OO
5 9 (23.68%) DevOps
5 9 (23.68%) Open Source
5 9 (23.68%) TDD
6 8 (21.05%) Project Delivery
6 8 (21.05%) Test Automation
7 4 (10.53%) Continuous Integration
7 4 (10.53%) Fintech
7 4 (10.53%) Kanban
8 3 (7.89%) Asset Management
8 3 (7.89%) MVC
8 3 (7.89%) OWASP
8 3 (7.89%) Scrum
8 3 (7.89%) Web Accessibility
Programming Languages
1 38 (100.00%) JavaScript
2 24 (63.16%) TypeScript
3 15 (39.47%) Java
4 12 (31.58%) Python
5 11 (28.95%) C#
5 11 (28.95%) ES7
5 11 (28.95%) Kotlin
6 9 (23.68%) PHP
7 8 (21.05%) Scala
7 8 (21.05%) SQL
8 1 (2.63%) ES8
8 1 (2.63%) Ruby
Qualifications
1 11 (28.95%) Degree
2 8 (21.05%) Computer Science Degree
System Software
1 18 (47.37%) Docker
Systems Management
1 12 (31.58%) Kubernetes
2 3 (7.89%) Kibana
2 3 (7.89%) Pingdom
2 3 (7.89%) Terraform
Vendors
1 1 (2.63%) Facebook
1 1 (2.63%) Google
1 1 (2.63%) Microsoft
1 1 (2.63%) Salesforce.com