Period
to 18 May 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 18 May 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
18 May 2021
Same period 2020 Same period 2019
Rank 189 165 172
Rank change year-on-year -24 +7 +61
Permanent jobs citing ES6 48 108 183
As % of all permanent jobs advertised in the City of London 0.96% 1.49% 1.81%
As % of the Programming Languages category 1.54% 2.67% 2.93%
Number of salaries quoted 47 96 160
10th Percentile £49,500 £45,625 £42,500
25th Percentile £57,500 £55,000 £52,500
Median annual salary (50th Percentile) £67,500 £66,250 £65,000
Median % change year-on-year +1.89% +1.92% -7.14%
75th Percentile £80,000 £76,563 £80,000
90th Percentile £83,750 £85,000 £97,500
Central London median annual salary £70,000 £69,000 £65,000
% change year-on-year +1.45% +6.15% -7.14%

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 3,118 4,047 6,237
As % of all permanent IT jobs advertised in the City of London 62.62% 56.01% 61.61%
Number of salaries quoted 2,874 3,616 5,655
10th Percentile £45,000 £42,500 £41,250
25th Percentile £56,250 £52,500 £51,250
Median annual salary (50th Percentile) £75,000 £70,000 £67,500
Median % change year-on-year +7.14% +3.70% +3.85%
75th Percentile £90,000 £86,250 £82,500
90th Percentile £108,600 £106,250 £96,250
Central London median annual salary £72,500 £70,000 £65,000
% change year-on-year +3.57% +7.69% +4.00%

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 18 May 2021.

Salary histogram for ES6 in the City of London

For the 6 months to 18 May 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 48 (100.00%) JavaScript
2 41 (85.42%) Agile Software Development
3 40 (83.33%) HTML
3 40 (83.33%) CSS
4 39 (81.25%) TypeScript
5 36 (75.00%) HTML5
6 35 (72.92%) AngularJS
7 33 (68.75%) Node.js
8 29 (60.42%) React
9 28 (58.33%) Finance
10 24 (50.00%) Microservices
11 22 (45.83%) Docker
11 22 (45.83%) Java
11 22 (45.83%) C#
12 21 (43.75%) Git (software)
12 21 (43.75%) Kotlin
13 20 (41.67%) Scala
13 20 (41.67%) DevOps
13 20 (41.67%) Python
13 20 (41.67%) Artificial Intelligence
13 20 (41.67%) Degree
14 19 (39.58%) Kubernetes
14 19 (39.58%) Azure
14 19 (39.58%) AWS
14 19 (39.58%) CSS3
15 18 (37.50%) Open Source
15 18 (37.50%) RESTful
15 18 (37.50%) Computer Science
15 18 (37.50%) OO
15 18 (37.50%) SQL

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 17 (35.42%) Apache Spark
2 2 (4.17%) Confluence
3 1 (2.08%) Elasticsearch
3 1 (2.08%) SharePoint
3 1 (2.08%) WordPress
Applications
1 3 (6.25%) InVision
1 3 (6.25%) Sketch
Cloud Services
1 19 (39.58%) AWS
1 19 (39.58%) Azure
2 4 (8.33%) Serverless
3 2 (4.17%) AWS Lambda
3 2 (4.17%) Azure Functions
3 2 (4.17%) CloudBees
3 2 (4.17%) npm
4 1 (2.08%) GitHub
4 1 (2.08%) Google Analytics
4 1 (2.08%) Google Tag Manager
4 1 (2.08%) SaaS
4 1 (2.08%) Stripe
4 1 (2.08%) Twilio
4 1 (2.08%) WhatsApp
Communications & Networking
1 1 (2.08%) Internet
1 1 (2.08%) Intranet
1 1 (2.08%) SSH
Database & Business Intelligence
1 17 (35.42%) Apache Hive
1 17 (35.42%) Big Data
1 17 (35.42%) Hadoop
1 17 (35.42%) NoSQL
2 2 (4.17%) PostgreSQL
3 1 (2.08%) SQL Server
3 1 (2.08%) SQL Server 2012
Development Applications
1 21 (43.75%) Git (software)
2 8 (16.67%) webpack
3 6 (12.50%) Cypress.io
3 6 (12.50%) Selenium
4 4 (8.33%) PostCSS
5 3 (6.25%) Babel
5 3 (6.25%) Subversion
6 2 (4.17%) Jasmine
6 2 (4.17%) Jenkins
6 2 (4.17%) JIRA
6 2 (4.17%) Karma Test Runner
6 2 (4.17%) Protractor
7 1 (2.08%) GitLab
7 1 (2.08%) Gradle
7 1 (2.08%) gulp
7 1 (2.08%) IntelliJ
7 1 (2.08%) Maven
7 1 (2.08%) RSpec
7 1 (2.08%) Sourcetree
7 1 (2.08%) Storybook
General
1 28 (58.33%) Finance
2 2 (4.17%) Law
3 1 (2.08%) Banking
3 1 (2.08%) Organisational Skills
3 1 (2.08%) Retail
3 1 (2.08%) Social Skills
3 1 (2.08%) Telecoms
Job Titles
1 39 (81.25%) Developer
2 16 (33.33%) Java Developer
3 12 (25.00%) Senior Developer
4 11 (22.92%) React Developer
5 8 (16.67%) Front End Developer (Client-Side Developer)
6 5 (10.42%) Full Stack Developer
6 5 (10.42%) Node.js Developer
7 4 (8.33%) Senior React Developer
8 3 (6.25%) Agile Developer
8 3 (6.25%) Angular Developer
8 3 (6.25%) Backend Developer
8 3 (6.25%) Senior Front-End Developer
8 3 (6.25%) Software Developer
8 3 (6.25%) Web Developer
9 2 (4.17%) Java Engineer
9 2 (4.17%) JavaScript Developer
9 2 (4.17%) Senior Java Engineer
9 2 (4.17%) Senior Software Developer
9 2 (4.17%) Software Engineer
9 2 (4.17%) UI Engineer
Libraries, Frameworks & Software Standards
1 40 (83.33%) CSS
1 40 (83.33%) HTML
2 36 (75.00%) HTML5
3 35 (72.92%) AngularJS
4 33 (68.75%) Node.js
5 29 (60.42%) React
6 19 (39.58%) CSS3
7 18 (37.50%) RESTful
8 14 (29.17%) Twitter Bootstrap
9 12 (25.00%) GraphQL
10 10 (20.83%) Sass
11 6 (12.50%) Redux
11 6 (12.50%) Web Components
12 4 (8.33%) Puppeteer
12 4 (8.33%) RxJS
12 4 (8.33%) Vue.js
13 3 (6.25%) Jest
13 3 (6.25%) jQuery
13 3 (6.25%) LESS
13 3 (6.25%) Spring
Miscellaneous
1 6 (12.50%) User Experience
2 4 (8.33%) Greenfield Project
3 2 (4.17%) W3C
4 1 (2.08%) Blog
Operating Systems
1 1 (2.08%) Linux
Processes & Methodologies
1 41 (85.42%) Agile Software Development
2 24 (50.00%) Microservices
3 20 (41.67%) Artificial Intelligence
3 20 (41.67%) DevOps
4 18 (37.50%) Computer Science
4 18 (37.50%) OO
4 18 (37.50%) Open Source
5 17 (35.42%) Project Delivery
6 13 (27.08%) Front End Development
6 13 (27.08%) Test Automation
7 8 (16.67%) Web Development
8 6 (12.50%) Scrum
9 5 (10.42%) Kanban
9 5 (10.42%) OWASP
10 4 (8.33%) Fintech
10 4 (8.33%) TDD
11 3 (6.25%) Insurtech
11 3 (6.25%) Lean Software Development
11 3 (6.25%) Prototyping
11 3 (6.25%) Wireframes
Programming Languages
1 48 (100.00%) JavaScript
2 39 (81.25%) TypeScript
3 22 (45.83%) C#
3 22 (45.83%) Java
4 21 (43.75%) Kotlin
5 20 (41.67%) Python
5 20 (41.67%) Scala
6 18 (37.50%) SQL
7 17 (35.42%) PHP
8 11 (22.92%) ES7
9 1 (2.08%) Ruby
Qualifications
1 20 (41.67%) Degree
2 17 (35.42%) Computer Science Degree
3 3 (6.25%) SANS
Quality Assurance & Compliance
1 3 (6.25%) QA
1 3 (6.25%) WCAG
System Software
1 22 (45.83%) Docker
Systems Management
1 19 (39.58%) Kubernetes
2 1 (2.08%) Kibana
2 1 (2.08%) Pingdom
2 1 (2.08%) Terraform
Vendors
1 3 (6.25%) Google
2 1 (2.08%) Facebook
2 1 (2.08%) Microsoft
2 1 (2.08%) Salesforce.com