Period
to 21 October 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 21 October 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
21 Oct 2020
Same period 2019 Same period 2018
Rank 152 210 216
Rank change year-on-year +58 +6 +4
Permanent jobs citing ES6 45 123 145
As % of all permanent jobs advertised in the City of London 1.24% 1.23% 1.31%
As % of the Programming Languages category 2.01% 2.05% 2.11%
Number of salaries quoted 51 107 139
Median annual salary £65,000 £65,000 £67,500
Median salary % change year-on-year - -3.70% +3.85%
10th Percentile £52,500 £51,250 £47,500
90th Percentile £77,500 £80,500 £97,500
Central London median annual salary £65,000 £65,000 £67,500
% change year-on-year - -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 2,240 5,995 6,871
As % of all permanent IT jobs advertised in the City of London 61.86% 59.97% 62.18%
Number of salaries quoted 2,009 5,256 6,277
Median annual salary £70,000 £70,000 £65,000
Median salary % change year-on-year - +7.69% +8.33%
10th Percentile £45,000 £42,500 £40,400
90th Percentile £105,000 £97,500 £95,000
Central London median annual salary £70,000 £67,500 £65,000
% change year-on-year +3.70% +3.85% +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 21 October 2020.

Salary histogram for ES6 in the City of London

For the 6 months to 21 October 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 44 (97.78%) JavaScript
2 33 (73.33%) HTML
2 33 (73.33%) Agile Software Development
3 31 (68.89%) CSS
4 26 (57.78%) React
5 24 (53.33%) AngularJS
5 24 (53.33%) Finance
6 23 (51.11%) HTML5
7 22 (48.89%) Front End Development
8 19 (42.22%) Sass
9 17 (37.78%) Node.js
10 15 (33.33%) TypeScript
10 15 (33.33%) Docker
10 15 (33.33%) Artificial Intelligence
10 15 (33.33%) Java
11 13 (28.89%) Python
11 13 (28.89%) AWS
12 12 (26.67%) TDD
12 12 (26.67%) Azure
12 12 (26.67%) Kotlin
12 12 (26.67%) Microservices
13 11 (24.44%) Kubernetes
13 11 (24.44%) Vue.js
13 11 (24.44%) Redux
13 11 (24.44%) Kanban
14 10 (22.22%) Scrum
14 10 (22.22%) Open Source
14 10 (22.22%) Jest
15 9 (20.00%) CSS3
15 9 (20.00%) PHP

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 7 (15.56%) Apache Spark
2 6 (13.33%) Elasticsearch
3 1 (2.22%) CMS
3 1 (2.22%) WordPress
Applications
1 6 (13.33%) Figma
1 6 (13.33%) Zeplin
2 1 (2.22%) Adobe Illustrator
2 1 (2.22%) Photoshop
Cloud Services
1 13 (28.89%) AWS
2 12 (26.67%) Azure
3 6 (13.33%) Google Analytics
3 6 (13.33%) SaaS
3 6 (13.33%) Serverless
4 5 (11.11%) GitHub
5 3 (6.67%) Azure Functions
6 1 (2.22%) AWS Lambda
6 1 (2.22%) Dropbox
6 1 (2.22%) npm
Database & Business Intelligence
1 7 (15.56%) Apache Hive
1 7 (15.56%) Big Data
1 7 (15.56%) Hadoop
1 7 (15.56%) NoSQL
Development Applications
1 9 (20.00%) Git (software)
2 5 (11.11%) Gradle
2 5 (11.11%) IntelliJ
2 5 (11.11%) Jenkins
2 5 (11.11%) Maven
2 5 (11.11%) webpack
3 3 (6.67%) Babel
3 3 (6.67%) Jasmine
3 3 (6.67%) PhantomJS
4 1 (2.22%) gulp
4 1 (2.22%) Visual Studio
4 1 (2.22%) Visual Studio Team System
General
1 24 (53.33%) Finance
2 3 (6.67%) Games
3 1 (2.22%) Banking
3 1 (2.22%) Marketing
Job Titles
1 44 (97.78%) Developer
2 18 (40.00%) Front End Developer (Client-Side Developer)
3 14 (31.11%) Java Developer
4 8 (17.78%) Senior Developer
5 7 (15.56%) React Developer
6 4 (8.89%) Angular Developer
6 4 (8.89%) Artificial Intelligence Developer
6 4 (8.89%) JavaScript Developer
6 4 (8.89%) Web Developer
7 3 (6.67%) .NET Developer
7 3 (6.67%) Full Stack Developer
7 3 (6.67%) Senior .NET Developer
8 2 (4.44%) Senior Front-End Developer
8 2 (4.44%) UI Developer
8 2 (4.44%) Web UI Developer
9 1 (2.22%) HTML CSS Developer
9 1 (2.22%) HTML Developer
9 1 (2.22%) Senior UI Developer
9 1 (2.22%) Senior Web Developer
9 1 (2.22%) Web Engineer
Libraries, Frameworks & Software Standards
1 33 (73.33%) HTML
2 31 (68.89%) CSS
3 26 (57.78%) React
4 24 (53.33%) AngularJS
5 23 (51.11%) HTML5
6 19 (42.22%) Sass
7 17 (37.78%) Node.js
8 11 (24.44%) Redux
8 11 (24.44%) Vue.js
9 10 (22.22%) Jest
10 9 (20.00%) CSS3
11 8 (17.78%) RESTful
12 7 (15.56%) Twitter Bootstrap
13 6 (13.33%) Semantic HTML
14 5 (11.11%) Enzyme
14 5 (11.11%) Express
14 5 (11.11%) Vert.x
15 4 (8.89%) jQuery
15 4 (8.89%) LESS
16 3 (6.67%) .NET Core
Miscellaneous
1 4 (8.89%) Enterprise Software
1 4 (8.89%) Greenfield Project
1 4 (8.89%) W3C
2 3 (6.67%) Blog
3 1 (2.22%) Mobile App
3 1 (2.22%) Spread Betting
Processes & Methodologies
1 33 (73.33%) Agile Software Development
2 22 (48.89%) Front End Development
3 15 (33.33%) Artificial Intelligence
4 12 (26.67%) Microservices
4 12 (26.67%) TDD
5 11 (24.44%) Kanban
6 10 (22.22%) Open Source
6 10 (22.22%) Scrum
7 9 (20.00%) Computer Science
8 8 (17.78%) OO
8 8 (17.78%) Web Development
9 7 (15.56%) DevOps
9 7 (15.56%) Project Delivery
10 6 (13.33%) Acceptance Criteria
10 6 (13.33%) Analytics
10 6 (13.33%) Cross-Browser Compatibility
10 6 (13.33%) Fintech
10 6 (13.33%) Web Analytics
11 5 (11.11%) Continuous Integration
11 5 (11.11%) Software Engineering
Programming Languages
1 44 (97.78%) JavaScript
2 15 (33.33%) Java
2 15 (33.33%) TypeScript
3 13 (28.89%) Python
4 12 (26.67%) Kotlin
5 9 (20.00%) PHP
6 8 (17.78%) ES7
7 7 (15.56%) C#
7 7 (15.56%) Scala
7 7 (15.56%) SQL
8 1 (2.22%) ES8
Qualifications
1 7 (15.56%) Computer Science Degree
1 7 (15.56%) Degree
System Software
1 15 (33.33%) Docker
Systems Management
1 11 (24.44%) Kubernetes
2 5 (11.11%) Kibana
2 5 (11.11%) Pingdom
2 5 (11.11%) Terraform
Vendors
1 7 (15.56%) Google
2 6 (13.33%) Twitter
3 1 (2.22%) Microsoft