Period
to 29 February 2020

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 29 February 2020 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
29 Feb 2020
Same period 2019 Same period 2018
Rank 184 147 227
Rank change year-on-year -37 +80 +72
Permanent jobs citing ES6 126 213 123
As % of all permanent IT jobs advertised in the City of London 1.41% 2.04% 1.15%
As % of the Programming Languages category 2.51% 3.26% 1.96%
Number of salaries quoted 108 192 121
City of London median annual salary £68,750 £65,000 £70,000
Median salary % change year-on-year +5.77% -7.14% +3.70%
10th Percentile £49,250 £42,500 £52,500
90th Percentile £85,375 £97,500 £93,750
Central London median annual salary £70,000 £65,000 £70,000
% change year-on-year +7.69% -7.14% +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 5,014 6,539 6,277
As % of all permanent IT jobs advertised in the City of London 55.92% 62.51% 58.59%
Number of salaries quoted 4,412 5,909 5,639
City of London median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +4.17%
10th Percentile £43,750 £40,000 £40,000
90th Percentile £105,000 £96,250 £95,000
Central London median annual salary £70,000 £65,000 £60,000
% change year-on-year +7.69% +8.33% -

ES6
Job Vacancy Trend in the City of London

Job postings citing ES6 as a percentage 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

This chart provides the 3-month moving average for salaries quoted in permanent IT 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

The salary distribution of IT jobs citing ES6 in the City of London over the 6 months to 29 February 2020.

Salary histogram for ES6 in the City of London

For the 6 months to 29 February 2020, 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.

1 111 (88.10%) JavaScript
2 84 (66.67%) CSS
3 78 (61.90%) React
4 77 (61.11%) HTML
5 67 (53.17%) Agile Software Development
6 64 (50.79%) Node.js
7 61 (48.41%) HTML5
8 59 (46.83%) AngularJS
9 50 (39.68%) TypeScript
10 45 (35.71%) OO
11 44 (34.92%) Git (software)
12 43 (34.13%) webpack
12 43 (34.13%) Front End Development
13 42 (33.33%) Java
14 40 (31.75%) RESTful
14 40 (31.75%) Redux
15 37 (29.37%) Microservices
16 36 (28.57%) Sass
17 35 (27.78%) AWS
18 34 (26.98%) PHP
19 33 (26.19%) Finance
20 30 (23.81%) SaaS
21 29 (23.02%) Degree
21 29 (23.02%) Docker
22 28 (22.22%) CSS3
22 28 (22.22%) C#
23 27 (21.43%) DevOps
24 26 (20.63%) SQL
24 26 (20.63%) Computer Science
25 25 (19.84%) Web Development

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 16 (12.70%) Apache Spark
2 8 (6.35%) Tomcat
3 3 (2.38%) CMS
3 3 (2.38%) Headless CMS
4 2 (1.59%) Adobe Experience Manager
5 1 (0.79%) Ethereum
5 1 (0.79%) nginx
Applications
1 4 (3.17%) Figma
1 4 (3.17%) Photoshop
1 4 (3.17%) Sketch
2 3 (2.38%) Fireworks
2 3 (2.38%) Zeplin
3 1 (0.79%) Adobe Creative Suite
Cloud Services
1 35 (27.78%) AWS
2 30 (23.81%) SaaS
3 21 (16.67%) npm
4 19 (15.08%) Azure
5 5 (3.97%) Google Analytics
5 5 (3.97%) Serverless
6 4 (3.17%) AWS Lambda
7 3 (2.38%) Amazon EC2
7 3 (2.38%) Amazon S3
8 2 (1.59%) GCP
8 2 (1.59%) GitHub
9 1 (0.79%) Amazon ECS
9 1 (0.79%) AWS CodeDeploy
9 1 (0.79%) AWS CodePipeline
9 1 (0.79%) AWS Elastic Beanstalk
9 1 (0.79%) Cloud Computing
9 1 (0.79%) CloudFront
9 1 (0.79%) Dropbox
9 1 (0.79%) Heroku
9 1 (0.79%) Route 53
Communications & Networking
1 8 (6.35%) HTTP
1 8 (6.35%) Internet
Database & Business Intelligence
1 20 (15.87%) Big Data
2 16 (12.70%) Apache Hive
2 16 (12.70%) Hadoop
2 16 (12.70%) NoSQL
3 9 (7.14%) MariaDB
3 9 (7.14%) MySQL
4 6 (4.76%) MongoDB
5 3 (2.38%) Blockchain
6 2 (1.59%) Amazon RDS
7 1 (0.79%) Amazon DynamoDB
7 1 (0.79%) SQL Server
Development Applications
1 44 (34.92%) Git (software)
2 43 (34.13%) webpack
3 11 (8.73%) Babel
4 9 (7.14%) Jasmine
4 9 (7.14%) PHPUnit
5 7 (5.56%) gulp
5 7 (5.56%) Visual Studio
6 6 (4.76%) Grunt
6 6 (4.76%) Protractor
7 4 (3.17%) GitLab
8 3 (2.38%) Cypress.io
8 3 (2.38%) JIRA
8 3 (2.38%) PostCSS
9 2 (1.59%) Bitbucket
9 2 (1.59%) Jenkins
9 2 (1.59%) JIRA Agile
9 2 (1.59%) TeamCity
9 2 (1.59%) Visual Studio Team System
10 1 (0.79%) Artifactory
10 1 (0.79%) Sinon.JS
General
1 33 (26.19%) Finance
2 9 (7.14%) Advertising
3 7 (5.56%) Retail
4 5 (3.97%) Games
5 3 (2.38%) Marketing
6 2 (1.59%) Publishing
Job Titles
1 103 (81.75%) Developer
2 34 (26.98%) Front End Developer (Client-Side Developer)
3 21 (16.67%) JavaScript Developer
3 21 (16.67%) React Developer
4 19 (15.08%) Java Developer
5 15 (11.90%) Angular Developer
5 15 (11.90%) Node.js Developer
6 13 (10.32%) Full Stack Developer
7 11 (8.73%) PHP Developer
8 10 (7.94%) PHP Laravel Developer
8 10 (7.94%) Senior Developer
8 10 (7.94%) UI Developer
9 9 (7.14%) .NET Developer
9 9 (7.14%) C# .NET Developer
9 9 (7.14%) C# Developer
10 6 (4.76%) Software Engineer
11 4 (3.17%) Games Developer
11 4 (3.17%) Java Engineer
11 4 (3.17%) Java Software Engineer
11 4 (3.17%) Senior Front-End Developer
Libraries, Frameworks & Software Standards
1 84 (66.67%) CSS
2 78 (61.90%) React
3 77 (61.11%) HTML
4 64 (50.79%) Node.js
5 61 (48.41%) HTML5
6 59 (46.83%) AngularJS
7 40 (31.75%) Redux
7 40 (31.75%) RESTful
8 36 (28.57%) Sass
9 28 (22.22%) CSS3
10 21 (16.67%) REST
11 18 (14.29%) LESS
12 17 (13.49%) Jest
13 14 (11.11%) .NET
13 14 (11.11%) Vue.js
14 13 (10.32%) Laravel
15 11 (8.73%) Symfony
16 10 (7.94%) JSON
17 9 (7.14%) OAuth
17 9 (7.14%) OpenID
Miscellaneous
1 18 (14.29%) User Experience
2 16 (12.70%) Greenfield Project
3 9 (7.14%) Analytical Skills
4 5 (3.97%) Online Games
5 4 (3.17%) Augmented Reality
5 4 (3.17%) Enterprise Software
6 3 (2.38%) Analytical Mindset
6 3 (2.38%) Mobile App
7 2 (1.59%) Graphic Design
7 2 (1.59%) Virtual Team
7 2 (1.59%) W3C
8 1 (0.79%) Bitcoin
8 1 (0.79%) Digital Media
8 1 (0.79%) Linux Command Line
8 1 (0.79%) Self-Motivation
Operating Systems
1 4 (3.17%) Linux
2 3 (2.38%) Android
2 3 (2.38%) Apple iOS
Processes & Methodologies
1 67 (53.17%) Agile Software Development
2 45 (35.71%) OO
3 43 (34.13%) Front End Development
4 37 (29.37%) Microservices
5 27 (21.43%) DevOps
6 26 (20.63%) Computer Science
7 25 (19.84%) Web Development
8 23 (18.25%) Test Automation
9 22 (17.46%) Software Engineering
10 21 (16.67%) MVC
10 21 (16.67%) TDD
11 18 (14.29%) Artificial Intelligence
12 17 (13.49%) Open Source
13 16 (12.70%) Project Delivery
14 13 (10.32%) Lean Software Development
14 13 (10.32%) Machine Learning
14 13 (10.32%) Unit Testing
15 12 (9.52%) Analytics
15 12 (9.52%) Mentoring
15 12 (9.52%) Scrum
Programming Languages
1 111 (88.10%) JavaScript
2 50 (39.68%) TypeScript
3 42 (33.33%) Java
4 34 (26.98%) PHP
5 28 (22.22%) C#
6 26 (20.63%) SQL
7 21 (16.67%) Scala
8 19 (15.08%) Python
9 16 (12.70%) Kotlin
10 11 (8.73%) ES7
11 8 (6.35%) Java 8
12 4 (3.17%) C++
13 2 (1.59%) Bash Shell
14 1 (0.79%) ES8
14 1 (0.79%) Go
14 1 (0.79%) PHP 7
14 1 (0.79%) Ruby
14 1 (0.79%) XAML
Qualifications
1 29 (23.02%) Degree
2 25 (19.84%) Computer Science Degree
Quality Assurance & Compliance
1 9 (7.14%) QA
2 1 (0.79%) WCAG
System Software
1 29 (23.02%) Docker
Systems Management
1 20 (15.87%) Kubernetes
Vendors
1 9 (7.14%) Google
2 5 (3.97%) Oracle
3 4 (3.17%) Samsung
4 3 (2.38%) Adobe
4 3 (2.38%) Twitter
5 2 (1.59%) Microsoft
5 2 (1.59%) Optimizely
6 1 (0.79%) DevExpress