Period
to 23 April 2021

The following table provides summary statistics for permanent job vacancies advertised in 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 23 April 2021 with a comparison to the same period in the previous 2 years.

ECMAScript 2015 (JavaScript ES2015, ES6)
England > London
6 months to
23 Apr 2021
Same period 2020 Same period 2019
Rank 240 264 230
Rank change year-on-year +24 -34 +22
Permanent jobs citing ES6 443 573 894
As % of all permanent jobs advertised in London 1.39% 1.29% 1.48%
As % of the Programming Languages category 2.32% 2.27% 2.61%
Number of salaries quoted 320 488 782
10th Percentile £46,250 £48,000 £41,250
25th Percentile £55,938 £57,500 £49,813
Median annual salary (50th Percentile) £67,500 £69,000 £65,000
Median % change year-on-year -2.17% +6.15% -
75th Percentile £82,813 £81,250 £77,500
90th Percentile £85,000 £97,500 £95,000
England median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% -8.33%

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 London with a requirement for coding skills.

All Programming Languages
London
Permanent vacancies with a requirement for coding skills 19,066 25,209 34,304
As % of all permanent IT jobs advertised in London 59.98% 56.54% 56.67%
Number of salaries quoted 15,155 21,107 29,045
10th Percentile £43,750 £41,250 £38,000
25th Percentile £55,000 £51,250 £48,000
Median annual salary (50th Percentile) £70,000 £67,500 £65,000
Median % change year-on-year +3.70% +3.85% +8.33%
75th Percentile £88,750 £86,250 £82,000
90th Percentile £105,000 £105,000 £96,250
England median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +4.76% +5.00%

ES6
Job Vacancy Trend in London

Job postings citing ES6 as a proportion of all IT jobs advertised in London.

Job vacancy trend for ES6 in London

ES6
Salary Trend in London

3-month moving average salary quoted in jobs citing ES6 in London.

Salary trend for ES6 in London

ES6
Salary Histogram in London

Salary distribution for jobs citing ES6 in London over the 6 months to 23 April 2021.

Salary histogram for ES6 in London

ES6
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ES6 within the London region over the 6 months to 23 April 2021. 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
Central London -26 55 £70,000 +0.72% 33
West London +43 16 £45,000 -18.18% 17
South London +8 7 £70,000 +7.69%
East London - 2 £66,750 - 5
ES6
England

For the 6 months to 23 April 2021, 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 London region with a requirement for ES6.

1 424 (95.71%) JavaScript
2 267 (60.27%) CSS
3 258 (58.24%) React
4 241 (54.40%) HTML
5 236 (53.27%) Agile Software Development
6 222 (50.11%) TypeScript
7 205 (46.28%) Node.js
8 166 (37.47%) Front End Development
8 166 (37.47%) Git (software)
9 147 (33.18%) Sass
10 136 (30.70%) Docker
11 134 (30.25%) HTML5
12 132 (29.80%) Redux
13 130 (29.35%) Software Engineering
14 127 (28.67%) AngularJS
15 121 (27.31%) User Experience
16 117 (26.41%) AWS
17 115 (25.96%) Finance
18 108 (24.38%) DevOps
19 103 (23.25%) CSS3
20 101 (22.80%) webpack
21 100 (22.57%) Degree
21 100 (22.57%) TDD
22 99 (22.35%) Microservices
23 89 (20.09%) C#
23 89 (20.09%) Kubernetes
24 87 (19.64%) Java
25 86 (19.41%) GraphQL
26 78 (17.61%) Scrum
26 78 (17.61%) Jest

ES6
Co-occurring IT Skills in 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 17 (3.84%) Apache Spark
2 15 (3.39%) Elasticsearch
3 14 (3.16%) WordPress
4 12 (2.71%) Cloud Foundry
5 10 (2.26%) CMS
6 8 (1.81%) nginx
7 7 (1.58%) Drupal
8 2 (0.45%) Apache
8 2 (0.45%) Confluence
8 2 (0.45%) SilverStripe
9 1 (0.23%) Adobe Experience Manager
9 1 (0.23%) IBM Domino
9 1 (0.23%) IIS
9 1 (0.23%) NServiceBus
9 1 (0.23%) SharePoint
9 1 (0.23%) Sitecore CMS
9 1 (0.23%) Tomcat
Applications
1 28 (6.32%) Sketch
2 27 (6.09%) InVision
3 6 (1.35%) Revit
3 6 (1.35%) UXPin
4 5 (1.13%) AutoCAD
5 3 (0.68%) Adobe Creative Suite
6 1 (0.23%) Photoshop
6 1 (0.23%) Zeplin
Business Applications
1 1 (0.23%) Infor M3
1 1 (0.23%) Shopify
Cloud Services
1 117 (26.41%) AWS
2 74 (16.70%) Azure
3 52 (11.74%) Serverless
4 47 (10.61%) npm
5 32 (7.22%) GCP
6 31 (7.00%) Amazon S3
6 31 (7.00%) AWS Lambda
7 29 (6.55%) GitHub
8 24 (5.42%) Amazon EC2
9 21 (4.74%) AWS CloudFormation
9 21 (4.74%) CloudFront
10 20 (4.51%) SaaS
11 19 (4.29%) Amazon ECS
12 16 (3.61%) Virtual Private Cloud
13 14 (3.16%) PaaS
14 13 (2.93%) Amazon SQS
14 13 (2.93%) Heroku
15 12 (2.71%) IaaS
16 10 (2.26%) Azure Functions
17 9 (2.03%) Amazon Cognito
Communications & Networking
1 10 (2.26%) Internet
2 9 (2.03%) HTTP
3 4 (0.90%) SSH
4 3 (0.68%) DNS
5 2 (0.45%) Skype
6 1 (0.23%) Intranet
Database & Business Intelligence
1 46 (10.38%) NoSQL
2 44 (9.93%) PostgreSQL
3 32 (7.22%) MySQL
4 25 (5.64%) SQL Server
5 21 (4.74%) Amazon RDS
6 20 (4.51%) MongoDB
6 20 (4.51%) Redis
7 18 (4.06%) Big Data
8 17 (3.84%) Apache Hive
8 17 (3.84%) Hadoop
9 12 (2.71%) Relational Database
10 10 (2.26%) Amazon DynamoDB
11 6 (1.35%) Apache Cassandra
12 4 (0.90%) FileMaker
13 3 (0.68%) Amazon Aurora
14 2 (0.45%) Amazon Redshift
14 2 (0.45%) BigQuery
14 2 (0.45%) Blockchain
14 2 (0.45%) Data Warehouse
15 1 (0.23%) RDBMS
Development Applications
1 166 (37.47%) Git (software)
2 101 (22.80%) webpack
3 53 (11.96%) Mocha
4 37 (8.35%) Cypress.io
5 31 (7.00%) Selenium
6 29 (6.55%) PostCSS
7 28 (6.32%) gulp
8 24 (5.42%) Jasmine
8 24 (5.42%) Storybook
9 20 (4.51%) Babel
10 19 (4.29%) Jenkins
11 17 (3.84%) CircleCI
12 15 (3.39%) Grunt
13 14 (3.16%) GitLab
13 14 (3.16%) Karma Test Runner
14 13 (2.93%) RSpec
15 12 (2.71%) JIRA
16 9 (2.03%) git-flow
17 7 (1.58%) Bitbucket
17 7 (1.58%) NUnit
General
1 115 (25.96%) Finance
2 32 (7.22%) Banking
3 23 (5.19%) Games
4 22 (4.97%) Local Government
5 17 (3.84%) Marketing
6 16 (3.61%) Retail
7 15 (3.39%) Legal
8 14 (3.16%) Public Sector
9 13 (2.93%) Publishing
10 11 (2.48%) Front Office
10 11 (2.48%) Investment Banking
11 5 (1.13%) Advertising
12 2 (0.45%) Back Office
12 2 (0.45%) Billing
12 2 (0.45%) Law
13 1 (0.23%) Housing Association
13 1 (0.23%) Telecoms
Job Titles
1 323 (72.91%) Developer
2 126 (28.44%) React Developer
3 101 (22.80%) Front End Developer (Client-Side Developer)
4 93 (20.99%) Senior Developer
5 60 (13.54%) Full Stack Developer
6 39 (8.80%) Java Developer
6 39 (8.80%) JavaScript Developer
6 39 (8.80%) Senior React Developer
6 39 (8.80%) Software Engineer
7 38 (8.58%) Senior Front-End Developer
8 21 (4.74%) Senior Software Engineer
9 20 (4.51%) Software Developer
10 19 (4.29%) Node.js Developer
10 19 (4.29%) UI Developer
11 18 (4.06%) Senior JavaScript Developer
12 16 (3.61%) Backend Developer
13 14 (3.16%) Angular Developer
14 10 (2.26%) Ruby on Rails Developer
15 9 (2.03%) Junior
15 9 (2.03%) Web Developer
Libraries, Frameworks & Software Standards
1 267 (60.27%) CSS
2 258 (58.24%) React
3 241 (54.40%) HTML
4 205 (46.28%) Node.js
5 147 (33.18%) Sass
6 134 (30.25%) HTML5
7 132 (29.80%) Redux
8 127 (28.67%) AngularJS
9 103 (23.25%) CSS3
10 86 (19.41%) GraphQL
11 78 (17.61%) Jest
12 71 (16.03%) React Native
13 70 (15.80%) RESTful
14 64 (14.45%) Vue.js
15 53 (11.96%) Twitter Bootstrap
16 52 (11.74%) .NET
17 40 (9.03%) Spring
17 40 (9.03%) Web Services
18 36 (8.13%) LESS
19 34 (7.67%) Spring Boot
Miscellaneous
1 121 (27.31%) User Experience
2 34 (7.67%) Greenfield Project
3 24 (5.42%) Blog
4 15 (3.39%) Derivative
4 15 (3.39%) Equities
4 15 (3.39%) Wiki
5 12 (2.71%) Mobile App
5 12 (2.71%) Self-Motivation
6 11 (2.48%) Foreign Exchange (FX)
6 11 (2.48%) OTC Derivatives
7 9 (2.03%) Linux Command Line
8 8 (1.81%) W3C
9 7 (1.58%) Online Games
10 6 (1.35%) 3D Graphics
10 6 (1.35%) Algorithms
10 6 (1.35%) Data Structures
10 6 (1.35%) Smartphone
10 6 (1.35%) Virtual Team
11 5 (1.13%) Analytical Skills
12 4 (0.90%) Client/Server
Operating Systems
1 33 (7.45%) Android
2 22 (4.97%) Linux
3 19 (4.29%) Apple iOS
4 17 (3.84%) Unix
5 5 (1.13%) Ubuntu
5 5 (1.13%) Windows
6 3 (0.68%) Debian
6 3 (0.68%) Red Hat Enterprise Linux
7 1 (0.23%) CentOS
7 1 (0.23%) Mac OS X
Processes & Methodologies
1 236 (53.27%) Agile Software Development
2 166 (37.47%) Front End Development
3 130 (29.35%) Software Engineering
4 108 (24.38%) DevOps
5 100 (22.57%) TDD
6 99 (22.35%) Microservices
7 78 (17.61%) Scrum
8 74 (16.70%) OO
9 67 (15.12%) Test Automation
10 66 (14.90%) Fintech
11 60 (13.54%) Computer Science
12 58 (13.09%) Open Source
13 48 (10.84%) Unit Testing
14 45 (10.16%) Continuous Integration
14 45 (10.16%) Web Development
15 42 (9.48%) Problem-Solving
16 41 (9.26%) Kanban
17 38 (8.58%) OOP
18 29 (6.55%) Artificial Intelligence
18 29 (6.55%) Continuous Delivery
Programming Languages
1 424 (95.71%) JavaScript
2 222 (50.11%) TypeScript
3 89 (20.09%) C#
4 87 (19.64%) Java
5 62 (14.00%) Python
6 55 (12.42%) Scala
7 54 (12.19%) SQL
8 50 (11.29%) ES7
9 48 (10.84%) Kotlin
10 44 (9.93%) PHP
11 30 (6.77%) Ruby
12 10 (2.26%) Bash Shell
13 9 (2.03%) Apple Swift
13 9 (2.03%) Objective-C
14 7 (1.58%) Go
14 7 (1.58%) Java 8
15 6 (1.35%) Elm
16 5 (1.13%) Rust
17 4 (0.90%) Groovy
17 4 (0.90%) Lua
Qualifications
1 100 (22.57%) Degree
2 47 (10.61%) Computer Science Degree
3 24 (5.42%) SANS
4 18 (4.06%) Master's Degree
5 2 (0.45%) AWS Certification
6 1 (0.23%) PhD
6 1 (0.23%) SC Cleared
6 1 (0.23%) Security Cleared
Quality Assurance & Compliance
1 48 (10.84%) QA
2 24 (5.42%) WCAG
3 1 (0.23%) ISO/IEC 27001
System Software
1 136 (30.70%) Docker
2 1 (0.23%) Active Directory
2 1 (0.23%) VirtualBox
Systems Management
1 89 (20.09%) Kubernetes
2 30 (6.77%) Terraform
3 4 (0.90%) Marathon
3 4 (0.90%) Mesos
4 2 (0.45%) Ansible
4 2 (0.45%) Kibana
4 2 (0.45%) Puppet
4 2 (0.45%) ZABBIX
5 1 (0.23%) Hadoop YARN
5 1 (0.23%) Icinga
5 1 (0.23%) Pingdom
Vendors
1 33 (7.45%) Google
2 11 (2.48%) Murex
2 11 (2.48%) Sophis
3 7 (1.58%) Facebook
4 6 (1.35%) Autodesk
5 5 (1.13%) Instagram
5 5 (1.13%) Microsoft
5 5 (1.13%) Oracle
6 4 (0.90%) Adobe
6 4 (0.90%) Solace
6 4 (0.90%) Sony
7 3 (0.68%) Sage
7 3 (0.68%) Salesforce.com
7 3 (0.68%) Zend
8 2 (0.45%) Apple
8 2 (0.45%) DoubleClick
8 2 (0.45%) Escenic
8 2 (0.45%) Twitter
9 1 (0.23%) Canon
9 1 (0.23%) Salesforce Marketing Cloud