Period
to 5 August 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 5 August 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
5 Aug 2020
Same period 2019 Same period 2018
Rank 146 186 226
Rank change year-on-year +40 +40 +8
Permanent jobs citing ES6 86 147 122
As % of all permanent jobs advertised in the City of London 1.68% 1.44% 1.11%
As % of the Programming Languages category 2.91% 2.37% 1.83%
Number of salaries quoted 90 127 120
Median annual salary £65,000 £65,000 £70,000
Median salary % change year-on-year - -7.14% +3.70%
10th Percentile £45,000 £47,000 £52,500
90th Percentile £80,000 £96,000 £90,000
Central London median annual salary £65,000 £65,000 £70,000
% change year-on-year - -7.14% +2.19%

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 2,951 6,208 6,658
As % of all permanent IT jobs advertised in the City of London 57.63% 60.65% 60.73%
Number of salaries quoted 2,599 5,527 6,048
Median annual salary £70,000 £67,500 £65,000
Median salary % change year-on-year +3.70% +3.85% +8.33%
10th Percentile £43,750 £42,500 £40,000
90th Percentile £105,000 £96,250 £93,750
Central London median annual salary £70,000 £66,000 £62,500
% change year-on-year +6.06% +5.60% +4.17%

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 5 August 2020.

Salary histogram for ES6 in the City of London

For the 6 months to 5 August 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 75 (87.21%) JavaScript
2 55 (63.95%) React
3 54 (62.79%) Agile Software Development
4 52 (60.47%) HTML
5 50 (58.14%) CSS
6 35 (40.70%) HTML5
6 35 (40.70%) Front End Development
7 34 (39.53%) Sass
7 34 (39.53%) AngularJS
8 31 (36.05%) Finance
9 25 (29.07%) Node.js
10 24 (27.91%) webpack
11 23 (26.74%) TypeScript
11 23 (26.74%) PHP
12 22 (25.58%) Redux
13 21 (24.42%) OO
13 21 (24.42%) SaaS
13 21 (24.42%) Test Automation
14 19 (22.09%) Git (software)
14 19 (22.09%) TDD
14 19 (22.09%) Scrum
14 19 (22.09%) Docker
14 19 (22.09%) Jest
15 18 (20.93%) Google
16 17 (19.77%) Azure
16 17 (19.77%) Kanban
16 17 (19.77%) Microservices
17 16 (18.60%) Vue.js
17 16 (18.60%) AWS
17 16 (18.60%) Artificial Intelligence

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 6 (6.98%) Apache Spark
1 6 (6.98%) Elasticsearch
2 3 (3.49%) WordPress
3 2 (2.33%) Adobe Experience Manager
Applications
1 10 (11.63%) Figma
1 10 (11.63%) Zeplin
2 1 (1.16%) Adobe Creative Suite
Cloud Services
1 21 (24.42%) SaaS
2 17 (19.77%) Azure
3 16 (18.60%) AWS
4 12 (13.95%) Google Analytics
5 8 (9.30%) GitHub
6 6 (6.98%) Dropbox
6 6 (6.98%) Serverless
7 3 (3.49%) Azure Functions
8 1 (1.16%) Amazon EC2
8 1 (1.16%) Amazon S3
8 1 (1.16%) GCP
8 1 (1.16%) npm
Database & Business Intelligence
1 7 (8.14%) MariaDB
1 7 (8.14%) MySQL
1 7 (8.14%) NoSQL
2 6 (6.98%) Apache Hive
2 6 (6.98%) Big Data
2 6 (6.98%) Hadoop
3 4 (4.65%) SQL Server
4 2 (2.33%) Blockchain
4 2 (2.33%) MongoDB
5 1 (1.16%) Amazon RDS
Development Applications
1 24 (27.91%) webpack
2 19 (22.09%) Git (software)
3 7 (8.14%) Jasmine
3 7 (8.14%) PHPUnit
4 6 (6.98%) Gradle
4 6 (6.98%) IntelliJ
4 6 (6.98%) Jenkins
4 6 (6.98%) Maven
4 6 (6.98%) Visual Studio
5 4 (4.65%) Babel
6 3 (3.49%) Cypress.io
6 3 (3.49%) Grunt
6 3 (3.49%) gulp
6 3 (3.49%) Protractor
7 2 (2.33%) Bitbucket
7 2 (2.33%) CircleCI
7 2 (2.33%) git-flow
7 2 (2.33%) Mocha
7 2 (2.33%) PhantomJS
7 2 (2.33%) Selenium
General
1 31 (36.05%) Finance
2 4 (4.65%) Marketing
3 3 (3.49%) Games
4 1 (1.16%) Back Office
4 1 (1.16%) Banking
4 1 (1.16%) Financial Institution
4 1 (1.16%) Retail
Job Titles
1 76 (88.37%) Developer
2 34 (39.53%) Front End Developer (Client-Side Developer)
3 13 (15.12%) Java Developer
4 12 (13.95%) React Developer
5 9 (10.47%) Full Stack Developer
5 9 (10.47%) JavaScript Developer
5 9 (10.47%) PHP Developer
5 9 (10.47%) Senior Developer
6 8 (9.30%) PHP Laravel Developer
7 6 (6.98%) Web Engineer
8 5 (5.81%) .NET Developer
8 5 (5.81%) Angular Developer
9 4 (4.65%) Web Developer
10 3 (3.49%) C# Developer
10 3 (3.49%) Senior .NET Developer
10 3 (3.49%) Senior Front-End Developer
11 2 (2.33%) Artificial Intelligence Developer
11 2 (2.33%) C# .NET Developer
11 2 (2.33%) Senior UI Developer
11 2 (2.33%) UI Developer
Libraries, Frameworks & Software Standards
1 55 (63.95%) React
2 52 (60.47%) HTML
3 50 (58.14%) CSS
4 35 (40.70%) HTML5
5 34 (39.53%) AngularJS
5 34 (39.53%) Sass
6 25 (29.07%) Node.js
7 22 (25.58%) Redux
8 19 (22.09%) Jest
9 16 (18.60%) Vue.js
10 15 (17.44%) Twitter Bootstrap
11 13 (15.12%) Laravel
12 12 (13.95%) Semantic HTML
13 11 (12.79%) CSS3
13 11 (12.79%) Symfony
14 10 (11.63%) .NET
15 9 (10.47%) Enzyme
16 8 (9.30%) .NET Core
16 8 (9.30%) jQuery
16 8 (9.30%) LESS
Miscellaneous
1 10 (11.63%) Greenfield Project
2 6 (6.98%) Enterprise Software
3 4 (4.65%) W3C
4 2 (2.33%) Analytical Skills
4 2 (2.33%) Blog
4 2 (2.33%) Virtual Team
5 1 (1.16%) Augmented Reality
5 1 (1.16%) Foreign Exchange (FX)
5 1 (1.16%) Linux Command Line
5 1 (1.16%) Online Games
Operating Systems
1 1 (1.16%) Android
1 1 (1.16%) Apple iOS
Processes & Methodologies
1 54 (62.79%) Agile Software Development
2 35 (40.70%) Front End Development
3 21 (24.42%) OO
3 21 (24.42%) Test Automation
4 19 (22.09%) Scrum
4 19 (22.09%) TDD
5 17 (19.77%) Kanban
5 17 (19.77%) Microservices
6 16 (18.60%) Artificial Intelligence
7 15 (17.44%) Web Development
8 14 (16.28%) Fintech
9 13 (15.12%) Software Engineering
10 12 (13.95%) Acceptance Criteria
10 12 (13.95%) Analytics
10 12 (13.95%) Cross-Browser Compatibility
10 12 (13.95%) Unit Testing
11 10 (11.63%) MVC
11 10 (11.63%) Web Analytics
12 9 (10.47%) DevOps
13 8 (9.30%) Computer Science
Programming Languages
1 75 (87.21%) JavaScript
2 23 (26.74%) PHP
2 23 (26.74%) TypeScript
3 16 (18.60%) Python
4 14 (16.28%) Java
5 12 (13.95%) C#
5 12 (13.95%) Kotlin
6 7 (8.14%) SQL
7 6 (6.98%) ES7
7 6 (6.98%) Scala
8 1 (1.16%) Bash Shell
8 1 (1.16%) PHP 7
Qualifications
1 7 (8.14%) Computer Science Degree
1 7 (8.14%) Degree
Quality Assurance & Compliance
1 2 (2.33%) QA
System Software
1 19 (22.09%) Docker
Systems Management
1 11 (12.79%) Kubernetes
2 6 (6.98%) Kibana
2 6 (6.98%) Pingdom
2 6 (6.98%) Terraform
Vendors
1 18 (20.93%) Google
2 12 (13.95%) Twitter
3 3 (3.49%) Adobe
4 2 (2.33%) Optimizely
5 1 (1.16%) Microsoft
5 1 (1.16%) Oracle
5 1 (1.16%) Remedy
5 1 (1.16%) TIBCO