Period
to 5 December 2019

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 December 2019 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 Dec 2019
Same period 2018 Same period 2017
Rank 197 191 219
Rank change year-on-year -6 +28 +94
Permanent jobs citing ES6 127 173 107
As % of all permanent IT jobs advertised in the City of London 1.28% 1.54% 1.05%
As % of the Programming Languages category 2.20% 2.47% 1.83%
Number of salaries quoted 103 163 105
City of London median annual salary £65,000 £65,000 £65,000
10th Percentile £50,000 £47,500 £44,250
90th Percentile £80,000 £97,500 £86,500
Central London median annual salary £65,000 £65,000 £65,000

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 5,764 6,993 5,857
As % of all permanent IT jobs advertised in the City of London 58.01% 62.28% 57.23%
Number of salaries quoted 5,012 6,357 5,368
City of London median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +7.76%
10th Percentile £43,750 £40,250 £38,750
90th Percentile £100,000 £95,000 £95,000
Central London median annual salary £70,000 £65,000 £60,000
% change year-on-year +7.69% +8.33% +4.35%

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 5 December 2019.

Salary histogram for ES6 in the City of London

ES6
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ES6 within the City of London region over the 6 months to 5 December 2019. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London Bridge - 1 £67,500 -
ES6
Central London

For the 6 months to 5 December 2019, 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.

1 118 (92.91%) JavaScript
2 92 (72.44%) CSS
3 72 (56.69%) HTML
4 66 (51.97%) React
5 62 (48.82%) Agile Software Development
6 61 (48.03%) AngularJS
7 59 (46.46%) Node.js
8 58 (45.67%) Redux
9 53 (41.73%) Front End Development
10 50 (39.37%) RESTful
11 48 (37.80%) TypeScript
11 48 (37.80%) HTML5
12 46 (36.22%) Sass
12 46 (36.22%) webpack
13 39 (30.71%) Java
14 37 (29.13%) CSS3
15 35 (27.56%) Finance
16 34 (26.77%) Git (software)
16 34 (26.77%) AWS
17 33 (25.98%) npm
18 32 (25.20%) Web Development
19 30 (23.62%) C#
20 29 (22.83%) LESS
21 28 (22.05%) Docker
22 26 (20.47%) Microservices
23 25 (19.69%) REST
23 25 (19.69%) .NET
24 23 (18.11%) SQL
24 23 (18.11%) Degree
25 22 (17.32%) DevOps

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 (9.45%) Tomcat
2 9 (7.09%) Apache Spark
3 4 (3.15%) CMS
4 3 (2.36%) Apache Solr
4 3 (2.36%) Headless CMS
5 1 (0.79%) ColdFusion
5 1 (0.79%) Confluence
5 1 (0.79%) Ethereum
5 1 (0.79%) nginx
Applications
1 6 (4.72%) Sketch
2 4 (3.15%) Photoshop
3 3 (2.36%) Fireworks
4 1 (0.79%) Figma
Business Applications
1 2 (1.57%) R3 Corda
Cloud Services
1 34 (26.77%) AWS
2 33 (25.98%) npm
3 14 (11.02%) GitHub
3 14 (11.02%) SaaS
4 11 (8.66%) Azure
5 10 (7.87%) AWS CodeDeploy
6 6 (4.72%) Serverless
7 5 (3.94%) AWS Lambda
7 5 (3.94%) Yarn
8 2 (1.57%) Amazon ECS
8 2 (1.57%) Amazon S3
8 2 (1.57%) CloudFront
8 2 (1.57%) Heroku
8 2 (1.57%) Route 53
9 1 (0.79%) Amazon EC2
9 1 (0.79%) AWS CodePipeline
9 1 (0.79%) AWS Elastic Beanstalk
9 1 (0.79%) Firebase
9 1 (0.79%) GCP
9 1 (0.79%) Logz.io
Communications & Networking
1 13 (10.24%) HTTP
2 10 (7.87%) Internet
Database & Business Intelligence
1 13 (10.24%) Big Data
2 11 (8.66%) NoSQL
3 9 (7.09%) Apache Hive
3 9 (7.09%) Hadoop
4 3 (2.36%) MongoDB
5 2 (1.57%) PostgreSQL
6 1 (0.79%) Amazon DynamoDB
6 1 (0.79%) Blockchain
6 1 (0.79%) Relational Database
6 1 (0.79%) SQL Server
6 1 (0.79%) SQL Server Integration Services
Development Applications
1 46 (36.22%) webpack
2 34 (26.77%) Git (software)
3 22 (17.32%) Babel
4 15 (11.81%) Jenkins
5 13 (10.24%) gulp
6 11 (8.66%) Grunt
6 11 (8.66%) Jasmine
6 11 (8.66%) TeamCity
7 6 (4.72%) Karma Test Runner
7 6 (4.72%) Protractor
8 5 (3.94%) Mocha
9 4 (3.15%) Cucumber
9 4 (3.15%) JIRA
9 4 (3.15%) Visual Studio
10 3 (2.36%) Bitbucket
10 3 (2.36%) Capybara
10 3 (2.36%) IntelliJ
10 3 (2.36%) JUnit
10 3 (2.36%) Mockito
10 3 (2.36%) Octopus Deploy
General
1 35 (27.56%) Finance
2 9 (7.09%) Advertising
3 4 (3.15%) Law
4 3 (2.36%) Retail
5 2 (1.57%) Games
5 2 (1.57%) Publishing
6 1 (0.79%) Banking
6 1 (0.79%) Electronics
6 1 (0.79%) Marketing
Job Titles
1 110 (86.61%) Developer
2 44 (34.65%) Front End Developer (Client-Side Developer)
3 32 (25.20%) JavaScript Developer
4 21 (16.54%) Angular Developer
5 20 (15.75%) Node.js Developer
5 20 (15.75%) React Developer
6 19 (14.96%) .NET Developer
7 18 (14.17%) C# .NET Developer
7 18 (14.17%) C# Developer
8 15 (11.81%) Java Developer
9 14 (11.02%) UI Developer
10 12 (9.45%) AWS Developer
11 9 (7.09%) Full Stack Developer
12 7 (5.51%) Senior Developer
13 6 (4.72%) Software Engineer
14 5 (3.94%) HTML Developer
14 5 (3.94%) SaaS Developer
15 3 (2.36%) Java Developer - Fintech
15 3 (2.36%) Java Software Engineer
15 3 (2.36%) Senior React Developer
Libraries, Frameworks & Software Standards
1 92 (72.44%) CSS
2 72 (56.69%) HTML
3 66 (51.97%) React
4 61 (48.03%) AngularJS
5 59 (46.46%) Node.js
6 58 (45.67%) Redux
7 50 (39.37%) RESTful
8 48 (37.80%) HTML5
9 46 (36.22%) Sass
10 37 (29.13%) CSS3
11 29 (22.83%) LESS
12 25 (19.69%) .NET
12 25 (19.69%) REST
13 19 (14.96%) OAuth
14 18 (14.17%) Immutable.js
14 18 (14.17%) OAuth2
14 18 (14.17%) OpenID
14 18 (14.17%) Vue.js
15 16 (12.60%) Jest
16 14 (11.02%) JSON
Miscellaneous
1 21 (16.54%) User Experience
2 13 (10.24%) Greenfield Project
3 7 (5.51%) Analytical Skills
3 7 (5.51%) Enterprise Software
4 3 (2.36%) Analytical Mindset
4 3 (2.36%) Foreign Exchange (FX)
5 2 (1.57%) Online Games
5 2 (1.57%) Self-Motivation
5 2 (1.57%) Smart Energy
6 1 (0.79%) Bitcoin
6 1 (0.79%) Digital Media
6 1 (0.79%) Enterprise Cloud
6 1 (0.79%) Mobile App
Operating Systems
1 6 (4.72%) Linux
2 2 (1.57%) Android
2 2 (1.57%) Apple iOS
3 1 (0.79%) Windows
Processes & Methodologies
1 62 (48.82%) Agile Software Development
2 53 (41.73%) Front End Development
3 32 (25.20%) Web Development
4 26 (20.47%) Microservices
5 22 (17.32%) API Design
5 22 (17.32%) DevOps
6 21 (16.54%) TDD
7 20 (15.75%) OO
8 19 (14.96%) Computer Science
9 17 (13.39%) Software Engineering
10 14 (11.02%) Event-Driven Architecture
10 14 (11.02%) High Availability
10 14 (11.02%) Scrum
11 13 (10.24%) Artificial Intelligence
12 12 (9.45%) Fintech
12 12 (9.45%) Machine Learning
12 12 (9.45%) Refactoring
12 12 (9.45%) Technical Analysis
13 10 (7.87%) A/B Testing
13 10 (7.87%) Open Source
Programming Languages
1 118 (92.91%) JavaScript
2 48 (37.80%) TypeScript
3 39 (30.71%) Java
4 30 (23.62%) C#
5 23 (18.11%) SQL
6 12 (9.45%) Python
6 12 (9.45%) Scala
7 10 (7.87%) PHP
8 9 (7.09%) Java 8
8 9 (7.09%) Kotlin
9 7 (5.51%) ES7
10 3 (2.36%) C++
10 3 (2.36%) Groovy
11 1 (0.79%) Bash Shell
11 1 (0.79%) ES8
11 1 (0.79%) PHP 7
11 1 (0.79%) T-SQL
11 1 (0.79%) XAML
Qualifications
1 23 (18.11%) Degree
2 18 (14.17%) Computer Science Degree
Quality Assurance & Compliance
1 8 (6.30%) QA
2 1 (0.79%) WCAG
System Software
1 28 (22.05%) Docker
Systems Management
1 10 (7.87%) Kubernetes
2 1 (0.79%) Ansible
2 1 (0.79%) Opscode Chef
Vendors
1 3 (2.36%) Samsung
2 2 (1.57%) Google
2 2 (1.57%) Oracle
3 1 (0.79%) Adobe
3 1 (0.79%) DevExpress
3 1 (0.79%) Microsoft
3 1 (0.79%) New Relic
3 1 (0.79%) Optimizely
3 1 (0.79%) Zend