Period
to 22 October 2018

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 22 October 2018 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
22 Oct 2018
Same period 2017 Same period 2016
Rank 207 222 313
Rank change year-on-year +15 +91 +111
Permanent jobs citing ES6 149 107 39
As % of all permanent IT jobs advertised in the City of London 1.34% 1.08% 0.33%
As % of the Programming Languages category 2.16% 1.90% 0.57%
Number of salaries quoted 139 98 34
City of London median annual salary £65,000 £65,000 £63,750
Median salary % change year-on-year - +1.96% +10.87%
10th Percentile £47,500 £38,375 £46,250
90th Percentile £97,500 £90,000 £91,750
Central London median annual salary £65,000 £67,500 £62,500
% change year-on-year -3.70% +8.00% +8.70%

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 6,909 5,638 6,866
As % of all permanent IT jobs advertised in the City of London 62.13% 56.66% 57.94%
Number of salaries quoted 6,310 5,154 6,331
City of London median annual salary £65,000 £60,000 £57,500
Median salary % change year-on-year +8.33% +4.35% -
10th Percentile £40,500 £37,500 £37,500
90th Percentile £95,000 £95,000 £87,500
Central London median annual salary £65,000 £60,000 £57,500
% change year-on-year +8.33% +4.35% +4.55%

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 22 October 2018.

Salary histogram for ES6 in the City of London

For the 6 months to 22 October 2018, 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.

1 131 (87.92%) JavaScript
2 96 (64.43%) Front End Development
3 92 (61.74%) HTML
4 91 (61.07%) CSS
5 75 (50.34%) Redux
6 68 (45.64%) React
7 59 (39.60%) Node.js
8 54 (36.24%) Git (software)
9 46 (30.87%) webpack
10 44 (29.53%) HTML5
11 42 (28.19%) Finance
12 41 (27.52%) CSS3
13 40 (26.85%) Sass
14 38 (25.50%) Amazon AWS
15 34 (22.82%) Agile Software Development
16 32 (21.48%) AngularJS
17 31 (20.81%) GitHub
18 29 (19.46%) TypeScript
18 29 (19.46%) Fintech
18 29 (19.46%) ES7
19 28 (18.79%) Banking
19 28 (18.79%) PostgreSQL
20 27 (18.12%) Test Automation
20 27 (18.12%) User Experience
20 27 (18.12%) Microsoft Azure
21 25 (16.78%) NoSQL
21 25 (16.78%) Linux
21 25 (16.78%) SQL
22 24 (16.11%) MySQL
23 23 (15.44%) TDD

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 19 (12.75%) Ethereum
2 3 (2.01%) Elasticsearch
3 2 (1.34%) Apache
4 1 (0.67%) Amazon Alexa
4 1 (0.67%) Tomcat
Applications
1 3 (2.01%) Photoshop
2 2 (1.34%) Adobe Illustrator
Business Applications
1 19 (12.75%) Distributed Ledger
Cloud Services
1 38 (25.50%) Amazon AWS
2 31 (20.81%) GitHub
3 27 (18.12%) Microsoft Azure
4 19 (12.75%) Cloud Computing
5 6 (4.03%) Google Cloud Platform
6 5 (3.36%) SaaS
6 5 (3.36%) Serverless
7 4 (2.68%) Heroku
8 2 (1.34%) AWS Lambda
8 2 (1.34%) npm
9 1 (0.67%) Amazon S3
9 1 (0.67%) DigitalOcean
9 1 (0.67%) Google Analytics
9 1 (0.67%) Google Tag Manager
Communications & Networking
1 2 (1.34%) HTTP
2 1 (0.67%) Internet
2 1 (0.67%) Skype
Database & Business Intelligence
1 28 (18.79%) PostgreSQL
2 25 (16.78%) NoSQL
3 24 (16.11%) MySQL
4 23 (15.44%) Redis
5 21 (14.09%) Blockchain
6 7 (4.70%) MongoDB
7 5 (3.36%) Big Data
8 3 (2.01%) Hadoop
9 2 (1.34%) Amazon DynamoDB
10 1 (0.67%) Mixpanel
Development Applications
1 54 (36.24%) Git (software)
2 46 (30.87%) webpack
3 17 (11.41%) gulp
4 12 (8.05%) Grunt
5 10 (6.71%) Selenium
6 9 (6.04%) Babel
7 8 (5.37%) Jenkins
8 6 (4.03%) CircleCI
9 5 (3.36%) Cucumber
9 5 (3.36%) TeamCity
10 4 (2.68%) Mercurial
11 3 (2.01%) Jasmine
11 3 (2.01%) Karma Test Runner
11 3 (2.01%) Mockito
12 2 (1.34%) Appium
12 2 (1.34%) git-flow
12 2 (1.34%) JIRA
12 2 (1.34%) Mocha
12 2 (1.34%) PostCSS
12 2 (1.34%) Subversion
General
1 42 (28.19%) Finance
2 28 (18.79%) Banking
3 19 (12.75%) Telecoms
4 7 (4.70%) Advertising
5 4 (2.68%) Games
5 4 (2.68%) Investment Banking
6 3 (2.01%) Law
6 3 (2.01%) Publishing
7 2 (1.34%) Multimedia
8 1 (0.67%) Front Office
8 1 (0.67%) Marketing
Job Titles
1 123 (82.55%) Developer
2 68 (45.64%) Front End Developer (Client-Side Developer)
3 44 (29.53%) JavaScript Developer
4 26 (17.45%) React Developer
5 23 (15.44%) Senior Developer
6 22 (14.77%) Node.js Developer
7 20 (13.42%) Blockchain Developer
8 19 (12.75%) Backend Developer
9 13 (8.72%) Lead Developer
10 11 (7.38%) Senior Front-End Developer
11 8 (5.37%) Software Engineer
12 6 (4.03%) Senior JavaScript Developer
12 6 (4.03%) Technical Leader
13 5 (3.36%) Senior React Developer
14 4 (2.68%) Angular Developer
14 4 (2.68%) Big Data Developer
14 4 (2.68%) Full Stack Developer
14 4 (2.68%) Lead .NET Developer
14 4 (2.68%) Senior Big Data Developer
14 4 (2.68%) Technical Developer
Libraries, Frameworks & Software Standards
1 92 (61.74%) HTML
2 91 (61.07%) CSS
3 75 (50.34%) Redux
4 68 (45.64%) React
5 59 (39.60%) Node.js
6 44 (29.53%) HTML5
7 41 (27.52%) CSS3
8 40 (26.85%) Sass
9 32 (21.48%) AngularJS
10 19 (12.75%) Smart Contracts
10 19 (12.75%) Truffle
10 19 (12.75%) web3js
11 17 (11.41%) REST
12 14 (9.40%) Vue.js
13 11 (7.38%) Jest
13 11 (7.38%) LESS
13 11 (7.38%) React Native
13 11 (7.38%) Twitter Bootstrap
14 9 (6.04%) Enzyme
15 8 (5.37%) jQuery
Miscellaneous
1 29 (19.46%) Fintech
2 27 (18.12%) User Experience
3 19 (12.75%) Bitcoin
4 18 (12.08%) Greenfield Project
5 6 (4.03%) Computer Science
6 5 (3.36%) Foreign Exchange (FX)
6 5 (3.36%) Mobile App
7 4 (2.68%) Equities
8 3 (2.01%) Derivative
8 3 (2.01%) Hedge funds
9 1 (0.67%) Analytical Skills
9 1 (0.67%) Blog
9 1 (0.67%) Client/Server
9 1 (0.67%) Data Structures
9 1 (0.67%) Equity Derivative
9 1 (0.67%) Linux Command Line
9 1 (0.67%) Marketing Technology
9 1 (0.67%) Self-Motivation
9 1 (0.67%) Tandem
9 1 (0.67%) W3C
Operating Systems
1 25 (16.78%) Linux
2 3 (2.01%) Android
2 3 (2.01%) Apple iOS
3 1 (0.67%) Unix
Processes & Methodologies
1 96 (64.43%) Front End Development
2 34 (22.82%) Agile Software Development
3 27 (18.12%) Test Automation
4 23 (15.44%) API Design
4 23 (15.44%) Software Engineering
4 23 (15.44%) TDD
5 19 (12.75%) API Development
5 19 (12.75%) Data Security
5 19 (12.75%) Identity Management
5 19 (12.75%) KYC
6 17 (11.41%) BDD
7 12 (8.05%) Machine Learning
7 12 (8.05%) OOP
8 11 (7.38%) Unit Testing
8 11 (7.38%) Web Development
9 10 (6.71%) Microservices
10 9 (6.04%) DevOps
11 8 (5.37%) Artificial Intelligence
12 6 (4.03%) Analytics
12 6 (4.03%) Problem-Solving
Programming Languages
1 131 (87.92%) JavaScript
2 29 (19.46%) ES7
2 29 (19.46%) TypeScript
3 25 (16.78%) SQL
4 20 (13.42%) Java
4 20 (13.42%) Python
5 19 (12.75%) Solidity
6 8 (5.37%) PHP
7 7 (4.70%) C#
8 5 (3.36%) ES8
8 5 (3.36%) Ruby
8 5 (3.36%) Scala
9 4 (2.68%) Java 8
10 2 (1.34%) Kotlin
10 2 (1.34%) PHP 7
11 1 (0.67%) Go
Qualifications
1 6 (4.03%) Degree
2 4 (2.68%) Computer Science Degree
Quality Assurance & Compliance
1 3 (2.01%) QA
System Software
1 20 (13.42%) Docker
2 19 (12.75%) Virtual Machines
3 1 (0.67%) VMware Infrastructure
Systems Management
1 6 (4.03%) Kubernetes
2 2 (1.34%) Apache Shiro
3 1 (0.67%) Ansible
3 1 (0.67%) Terraform
Vendors
1 6 (4.03%) Google
2 5 (3.36%) Microsoft
3 3 (2.01%) Cypress Semiconductor
4 2 (1.34%) Adobe
5 1 (0.67%) Facebook
5 1 (0.67%) Monetate
5 1 (0.67%) Optimizely
5 1 (0.67%) Qubit
5 1 (0.67%) Tealium
5 1 (0.67%) VMware
5 1 (0.67%) Zend