Period
to 16 December 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 16 December 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
16 Dec 2018
Same period 2017 Same period 2016
Rank 195 215 331
Rank change year-on-year +20 +116 +72
Permanent jobs citing ES6 159 118 27
As % of all permanent IT jobs advertised in the City of London 1.50% 1.14% 0.24%
As % of the Programming Languages category 2.40% 1.99% 0.41%
Number of salaries quoted 148 116 26
City of London median annual salary £65,000 £66,250 £62,500
Median salary % change year-on-year -1.89% +6.00% -
10th Percentile £47,125 £50,000 £48,125
90th Percentile £97,500 £88,750 £87,500
Central London median annual salary £65,000 £65,000 £62,500
% change year-on-year - +4.00% -

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 6,633 5,938 6,592
As % of all permanent IT jobs advertised in the City of London 62.76% 57.30% 58.19%
Number of salaries quoted 6,043 5,433 6,065
City of London median annual salary £65,000 £62,500 £60,000
Median salary % change year-on-year +4.00% +4.17% +4.35%
10th Percentile £40,500 £39,300 £36,750
90th Percentile £96,250 £95,000 £90,000
Central London median annual salary £65,000 £60,000 £57,500
% change year-on-year +8.33% +4.35% +0.88%

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 16 December 2018.

Salary histogram for ES6 in the City of London

For the 6 months to 16 December 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.

1 139 (87.42%) JavaScript
2 107 (67.30%) CSS
3 106 (66.67%) HTML
4 103 (64.78%) Front End Development
5 83 (52.20%) React
6 82 (51.57%) Redux
7 51 (32.08%) Git (software)
8 46 (28.93%) webpack
8 46 (28.93%) HTML5
8 46 (28.93%) TypeScript
9 43 (27.04%) CSS3
10 42 (26.42%) Node.js
11 40 (25.16%) Finance
12 35 (22.01%) Sass
12 35 (22.01%) Fintech
13 34 (21.38%) Greenfield Project
13 34 (21.38%) Amazon AWS
13 34 (21.38%) Agile Software Development
14 26 (16.35%) User Experience
15 25 (15.72%) AngularJS
15 25 (15.72%) ES7
16 24 (15.09%) PostgreSQL
16 24 (15.09%) Python
17 23 (14.47%) SQL
18 22 (13.84%) Software Engineering
18 22 (13.84%) Test Automation
18 22 (13.84%) GitHub
18 22 (13.84%) NoSQL
19 20 (12.58%) Microsoft Azure
20 19 (11.95%) MySQL

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 12 (7.55%) Ethereum
2 3 (1.89%) Elasticsearch
3 1 (0.63%) Tomcat
3 1 (0.63%) WordPress
Applications
1 4 (2.52%) Photoshop
2 2 (1.26%) Adobe Illustrator
Business Applications
1 12 (7.55%) Distributed Ledger
Cloud Services
1 34 (21.38%) Amazon AWS
2 22 (13.84%) GitHub
3 20 (12.58%) Microsoft Azure
4 14 (8.81%) Cloud Computing
5 7 (4.40%) SaaS
6 6 (3.77%) Google Cloud Platform
6 6 (3.77%) Serverless
7 5 (3.14%) Heroku
8 3 (1.89%) Amazon S3
8 3 (1.89%) npm
9 2 (1.26%) Amazon ElastiCache
9 2 (1.26%) AWS Lambda
10 1 (0.63%) Amazon Alexa
10 1 (0.63%) Google Analytics
Communications & Networking
1 2 (1.26%) HTTP
2 1 (0.63%) Internet
2 1 (0.63%) Skype
Database & Business Intelligence
1 24 (15.09%) PostgreSQL
2 22 (13.84%) NoSQL
3 19 (11.95%) MySQL
4 18 (11.32%) Redis
5 13 (8.18%) Blockchain
6 12 (7.55%) Big Data
7 2 (1.26%) BigQuery
7 2 (1.26%) Hadoop
7 2 (1.26%) MongoDB
8 1 (0.63%) Amazon Aurora
8 1 (0.63%) Amazon DynamoDB
8 1 (0.63%) Apache Cassandra
8 1 (0.63%) HBase
8 1 (0.63%) Mixpanel
Development Applications
1 51 (32.08%) Git (software)
2 46 (28.93%) webpack
3 12 (7.55%) gulp
4 8 (5.03%) Grunt
4 8 (5.03%) Jenkins
5 5 (3.14%) Babel
5 5 (3.14%) Jasmine
5 5 (3.14%) Selenium
6 4 (2.52%) CircleCI
6 4 (2.52%) Karma Test Runner
6 4 (2.52%) Mocha
6 4 (2.52%) TeamCity
7 3 (1.89%) Cucumber
7 3 (1.89%) Mercurial
7 3 (1.89%) Mockito
7 3 (1.89%) Subversion
8 2 (1.26%) JHipster
8 2 (1.26%) PostCSS
8 2 (1.26%) Protractor
9 1 (0.63%) SonarQube
General
1 40 (25.16%) Finance
2 16 (10.06%) Banking
3 12 (7.55%) Telecoms
4 10 (6.29%) Advertising
5 6 (3.77%) Games
6 4 (2.52%) Law
7 3 (1.89%) Investment Banking
7 3 (1.89%) Publishing
8 2 (1.26%) Marketing
8 2 (1.26%) Multimedia
9 1 (0.63%) Digital Economy
9 1 (0.63%) Front Office
Job Titles
1 130 (81.76%) Developer
2 85 (53.46%) Front End Developer (Client-Side Developer)
3 28 (17.61%) React Developer
4 26 (16.35%) JavaScript Developer
5 19 (11.95%) Senior Developer
6 16 (10.06%) Lead Developer
7 15 (9.43%) Node.js Developer
8 13 (8.18%) Blockchain Developer
9 12 (7.55%) Backend Developer
10 9 (5.66%) Senior Front-End Developer
10 9 (5.66%) Technical Leader
11 7 (4.40%) .NET Developer
11 7 (4.40%) Full Stack Developer
11 7 (4.40%) Lead .NET Developer
11 7 (4.40%) Senior .NET Developer
11 7 (4.40%) Software Engineer
11 7 (4.40%) Technical Developer
12 5 (3.14%) Big Data Developer
12 5 (3.14%) Senior Big Data Developer
12 5 (3.14%) Senior React Developer
Libraries, Frameworks & Software Standards
1 107 (67.30%) CSS
2 106 (66.67%) HTML
3 83 (52.20%) React
4 82 (51.57%) Redux
5 46 (28.93%) HTML5
6 43 (27.04%) CSS3
7 42 (26.42%) Node.js
8 35 (22.01%) Sass
9 25 (15.72%) AngularJS
10 17 (10.69%) Vue.js
11 13 (8.18%) RESTful
12 12 (7.55%) REST
12 12 (7.55%) Smart Contracts
12 12 (7.55%) Truffle
12 12 (7.55%) web3js
13 8 (5.03%) .NET
13 8 (5.03%) Jest
14 7 (4.40%) Enzyme
14 7 (4.40%) jQuery
14 7 (4.40%) LESS
Miscellaneous
1 35 (22.01%) Fintech
2 34 (21.38%) Greenfield Project
3 26 (16.35%) User Experience
4 12 (7.55%) Bitcoin
5 8 (5.03%) Hedge funds
6 5 (3.14%) Equities
7 4 (2.52%) Algorithms
7 4 (2.52%) Foreign Exchange (FX)
8 3 (1.89%) Derivative
9 2 (1.26%) Blog
9 2 (1.26%) Mobile App
9 2 (1.26%) NHS
9 2 (1.26%) W3C
10 1 (0.63%) Analytical Skills
10 1 (0.63%) Client/Server
10 1 (0.63%) Equity Derivative
Operating Systems
1 17 (10.69%) Linux
2 1 (0.63%) Android
2 1 (0.63%) Apple iOS
2 1 (0.63%) Unix
Processes & Methodologies
1 103 (64.78%) Front End Development
2 34 (21.38%) Agile Software Development
3 22 (13.84%) Software Engineering
3 22 (13.84%) Test Automation
4 19 (11.95%) API Design
5 16 (10.06%) TDD
6 15 (9.43%) Web Development
7 14 (8.81%) BDD
8 13 (8.18%) Artificial Intelligence
8 13 (8.18%) Microservices
9 12 (7.55%) API Development
9 12 (7.55%) Data Security
9 12 (7.55%) DevOps
9 12 (7.55%) Identity Management
9 12 (7.55%) KYC
10 11 (6.92%) Machine Learning
10 11 (6.92%) OOP
11 9 (5.66%) Open Source
12 8 (5.03%) Computer Science
13 7 (4.40%) Predictive Modelling
Programming Languages
1 139 (87.42%) JavaScript
2 46 (28.93%) TypeScript
3 25 (15.72%) ES7
4 24 (15.09%) Python
5 23 (14.47%) SQL
6 17 (10.69%) Java
7 12 (7.55%) Solidity
8 10 (6.29%) C#
8 10 (6.29%) PHP
9 8 (5.03%) Ruby
10 5 (3.14%) Java 8
10 5 (3.14%) Scala
11 3 (1.89%) ES8
11 3 (1.89%) Go
11 3 (1.89%) PHP 7
12 2 (1.26%) C
12 2 (1.26%) C++
13 1 (0.63%) Elixir
13 1 (0.63%) Kotlin
13 1 (0.63%) Rust
Qualifications
1 8 (5.03%) Degree
2 7 (4.40%) Computer Science Degree
Quality Assurance & Compliance
1 3 (1.89%) QA
System Software
1 17 (10.69%) Docker
2 12 (7.55%) Virtual Machines
3 1 (0.63%) VMware Infrastructure
Systems Management
1 5 (3.14%) Kubernetes
2 3 (1.89%) Ansible
3 1 (0.63%) Terraform
Vendors
1 8 (5.03%) Microsoft
2 3 (1.89%) Google
3 1 (0.63%) Adobe
3 1 (0.63%) Cypress Semiconductor
3 1 (0.63%) Facebook
3 1 (0.63%) VMware
3 1 (0.63%) Zend