Period
to 29 July 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 29 July 2021 with a comparison to the same period in the previous 2 years.

ECMAScript 2015 (JavaScript ES2015, ES6)
England > London
6 months to
29 Jul 2021
Same period 2020 Same period 2019
Rank 184 263 247
Rank change year-on-year +79 -16 +11
Permanent jobs citing ES6 932 359 803
As % of all permanent jobs advertised in London 2.07% 1.25% 1.41%
As % of the Programming Languages category 3.36% 2.15% 2.51%
Number of salaries quoted 392 308 687
10th Percentile £47,500 £47,500 £42,500
25th Percentile £57,500 £55,938 £51,250
Median annual salary (50th Percentile) £70,000 £67,750 £65,000
Median % change year-on-year +3.32% +4.23% -
75th Percentile £85,000 £80,000 £81,250
90th Percentile £92,500 £99,125 £100,000
England median annual salary £62,500 £57,500 £56,000
% change year-on-year +8.70% +2.68% -6.67%

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 27,697 16,699 32,036
As % of all permanent IT jobs advertised in London 61.51% 58.27% 56.06%
Number of salaries quoted 17,596 13,890 27,254
10th Percentile £45,000 £42,500 £38,750
25th Percentile £55,000 £52,500 £48,750
Median annual salary (50th Percentile) £70,000 £70,000 £65,000
Median % change year-on-year - +7.69% +4.00%
75th Percentile £90,000 £87,500 £82,500
90th Percentile £107,500 £105,000 £97,500
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 29 July 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 29 July 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 -47 56 £65,000 - 33
West London +19 53 £72,500 +31.82% 15
South London +3 10 £60,000 -7.69%
East London - 1 £72,500 - 7
ES6
England

For the 6 months to 29 July 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.

1 865 (92.81%) JavaScript
2 757 (81.22%) React
3 556 (59.66%) CSS
4 512 (54.94%) HTML
5 487 (52.25%) Node.js
6 485 (52.04%) TypeScript
7 464 (49.79%) Agile Software Development
8 406 (43.56%) Git (software)
9 395 (42.38%) Front End Development
10 340 (36.48%) Sass
11 323 (34.66%) User Experience
12 306 (32.83%) Redux
13 297 (31.87%) AngularJS
14 284 (30.47%) HTML5
15 276 (29.61%) webpack
16 274 (29.40%) Docker
17 267 (28.65%) AWS
18 252 (27.04%) TDD
19 251 (26.93%) Full Stack Development
20 240 (25.75%) Finance
21 236 (25.32%) Software Engineering
22 198 (21.24%) CSS3
23 188 (20.17%) Jest
24 185 (19.85%) Vue.js
25 175 (18.78%) DevOps
26 174 (18.67%) GraphQL
27 168 (18.03%) React Native
28 163 (17.49%) Accessibility
29 159 (17.06%) Kubernetes
30 157 (16.85%) Social Skills

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 48 (5.15%) Elasticsearch
2 39 (4.18%) CMS
3 27 (2.90%) nginx
4 25 (2.68%) Cloud Foundry
5 22 (2.36%) Apache
5 22 (2.36%) WordPress
6 20 (2.15%) IIS
7 18 (1.93%) Headless CMS
7 18 (1.93%) IBM Domino
8 17 (1.82%) Apache Spark
9 13 (1.39%) Drupal
10 5 (0.54%) Adobe Experience Manager
11 3 (0.32%) Tornado
12 1 (0.11%) Apache Solr
12 1 (0.11%) Confluence
12 1 (0.11%) NServiceBus
12 1 (0.11%) SilverStripe
12 1 (0.11%) Sitecore CMS
12 1 (0.11%) Tomcat
12 1 (0.11%) Umbraco
Applications
1 37 (3.97%) Sketch
2 25 (2.68%) InVision
3 9 (0.97%) UXPin
4 8 (0.86%) Photoshop
5 6 (0.64%) Adobe Premiere
5 6 (0.64%) Adobe XD
5 6 (0.64%) Chatbot
5 6 (0.64%) Figma
5 6 (0.64%) Final Cut Pro
5 6 (0.64%) Revit
6 5 (0.54%) AutoCAD
7 2 (0.21%) Zeplin
Business Applications
1 9 (0.97%) Shopify
2 5 (0.54%) SAP Hybris
3 4 (0.43%) Magento
4 1 (0.11%) Infor M3
Cloud Services
1 267 (28.65%) AWS
2 125 (13.41%) npm
3 121 (12.98%) Azure
4 107 (11.48%) GCP
5 96 (10.30%) Serverless
6 82 (8.80%) SaaS
7 70 (7.51%) GitHub
8 60 (6.44%) Heroku
9 44 (4.72%) Amazon S3
10 43 (4.61%) AWS CloudFormation
11 41 (4.40%) AWS Lambda
11 41 (4.40%) Yarn
12 36 (3.86%) CloudFront
13 35 (3.76%) Amazon EC2
14 33 (3.54%) Datadog
15 32 (3.43%) Amazon SQS
16 30 (3.22%) Codefresh
17 29 (3.11%) Amazon ECS
18 27 (2.90%) Fastly
18 27 (2.90%) PaaS
Communications & Networking
1 34 (3.65%) HTTP
2 20 (2.15%) Internet
3 10 (1.07%) SSH
4 6 (0.64%) Broadband
5 4 (0.43%) DNS
6 3 (0.32%) SMS
7 2 (0.21%) MQTT
7 2 (0.21%) Skype
Database & Business Intelligence
1 146 (15.67%) PostgreSQL
2 85 (9.12%) NoSQL
3 79 (8.48%) Redis
4 67 (7.19%) MongoDB
5 54 (5.79%) SQL Server
6 53 (5.69%) MySQL
7 30 (3.22%) Amazon DynamoDB
8 28 (3.00%) Amazon RDS
8 28 (3.00%) Relational Database
9 22 (2.36%) Big Data
10 16 (1.72%) Blockchain
10 16 (1.72%) Data Mining
11 15 (1.61%) Apache Hive
11 15 (1.61%) Hadoop
12 13 (1.39%) Apache Cassandra
12 13 (1.39%) Data Warehouse
13 9 (0.97%) Amazon Aurora
14 4 (0.43%) FileMaker
15 3 (0.32%) RDBMS
16 2 (0.21%) Couchbase
Development Applications
1 406 (43.56%) Git (software)
2 276 (29.61%) webpack
3 94 (10.09%) Mocha
4 87 (9.33%) gulp
5 66 (7.08%) CircleCI
5 66 (7.08%) JIRA
6 62 (6.65%) Babel
7 54 (5.79%) PostCSS
8 53 (5.69%) Cypress.io
9 42 (4.51%) Storybook
10 40 (4.29%) Jenkins
11 38 (4.08%) RSpec
12 30 (3.22%) Travis CI
13 28 (3.00%) Selenium
14 23 (2.47%) Cucumber
15 22 (2.36%) Sinon.JS
16 21 (2.25%) Bower
17 19 (2.04%) Bitbucket
18 18 (1.93%) git-flow
18 18 (1.93%) Jasmine
General
1 240 (25.75%) Finance
2 157 (16.85%) Social Skills
3 119 (12.77%) Marketing
4 61 (6.55%) Games
5 42 (4.51%) Local Government
6 37 (3.97%) Banking
6 37 (3.97%) Retail
7 35 (3.76%) Legal
7 35 (3.76%) Presentation Skills
8 32 (3.43%) Public Sector
9 23 (2.47%) Analytical Skills
10 19 (2.04%) Pharmaceutical
10 19 (2.04%) Publishing
11 18 (1.93%) Wearables
12 14 (1.50%) Advertising
13 12 (1.29%) Back Office
13 12 (1.29%) Front Office
14 6 (0.64%) Inclusion and Diversity
15 3 (0.32%) Organisational Skills
15 3 (0.32%) Public Speaking
Job Titles
1 601 (64.48%) Developer
2 235 (25.21%) Front End Developer (Client-Side Developer)
3 164 (17.60%) Senior Developer
4 148 (15.88%) React Developer
5 100 (10.73%) Software Engineer
6 87 (9.33%) Full Stack Developer
7 77 (8.26%) Senior Front-End Developer
8 60 (6.44%) Senior React Developer
9 50 (5.36%) JavaScript Developer
10 49 (5.26%) UI Developer
11 45 (4.83%) Senior Software Engineer
12 39 (4.18%) Backend Developer
13 34 (3.65%) Software Developer
14 29 (3.11%) Java Developer
15 23 (2.47%) Angular Developer
16 20 (2.15%) Python Developer
17 18 (1.93%) Lead Developer
17 18 (1.93%) Lead Software Engineer
17 18 (1.93%) Senior Software Developer
18 16 (1.72%) Consultant
Libraries, Frameworks & Software Standards
1 757 (81.22%) React
2 556 (59.66%) CSS
3 512 (54.94%) HTML
4 487 (52.25%) Node.js
5 340 (36.48%) Sass
6 306 (32.83%) Redux
7 297 (31.87%) AngularJS
8 284 (30.47%) HTML5
9 198 (21.24%) CSS3
10 188 (20.17%) Jest
11 185 (19.85%) Vue.js
12 174 (18.67%) GraphQL
13 168 (18.03%) React Native
14 130 (13.95%) REST
15 125 (13.41%) RESTful
16 107 (11.48%) Web Services
17 88 (9.44%) .NET
18 77 (8.26%) LESS
19 71 (7.62%) Spring
20 70 (7.51%) Spring Boot
Miscellaneous
1 323 (34.66%) User Experience
2 74 (7.94%) Mobile App
3 55 (5.90%) Greenfield Project
4 54 (5.79%) Data Structures
5 46 (4.94%) Virtual Team
6 45 (4.83%) Algorithms
7 44 (4.72%) Blog
8 41 (4.40%) Linux Command Line
9 37 (3.97%) Self-Motivation
10 28 (3.00%) W3C
11 25 (2.68%) Legacy Systems
12 19 (2.04%) Wiki
13 15 (1.61%) Legacy Code
14 12 (1.29%) Online Games
15 11 (1.18%) Derivative
15 11 (1.18%) Equities
16 10 (1.07%) iPhone
16 10 (1.07%) Life Science
17 9 (0.97%) Augmented Reality
17 9 (0.97%) Social Media
Operating Systems
1 87 (9.33%) Android
2 74 (7.94%) Apple iOS
3 50 (5.36%) Linux
4 41 (4.40%) Windows
5 21 (2.25%) Unix
6 5 (0.54%) Ubuntu
7 1 (0.11%) CentOS
7 1 (0.11%) Mac OS X
7 1 (0.11%) tvOS
Processes & Methodologies
1 464 (49.79%) Agile Software Development
2 395 (42.38%) Front End Development
3 252 (27.04%) TDD
4 251 (26.93%) Full Stack Development
5 236 (25.32%) Software Engineering
6 175 (18.78%) DevOps
7 143 (15.34%) Continuous Integration
8 136 (14.59%) Test Automation
9 131 (14.06%) Unit Testing
10 127 (13.63%) Microservices
11 126 (13.52%) Web Development
12 119 (12.77%) Open Source
13 115 (12.34%) OO
14 113 (12.12%) Scrum
15 105 (11.27%) Computer Science
16 88 (9.44%) Continuous Delivery
16 88 (9.44%) Workflow
17 86 (9.23%) Mentoring
18 84 (9.01%) Problem-Solving
19 81 (8.69%) Kanban
Programming Languages
1 865 (92.81%) JavaScript
2 485 (52.04%) TypeScript
3 130 (13.95%) Python
4 128 (13.73%) Java
5 105 (11.27%) C#
6 100 (10.73%) PHP
7 96 (10.30%) SQL
8 92 (9.87%) ES7
9 84 (9.01%) Ruby
10 65 (6.97%) Scala
11 58 (6.22%) Elm
12 52 (5.58%) Kotlin
13 39 (4.18%) Go
14 30 (3.22%) Rust
15 29 (3.11%) Bash Shell
16 28 (3.00%) PureScript
17 25 (2.68%) Java 11
18 23 (2.47%) C
19 22 (2.36%) Haskell
20 19 (2.04%) Apple Swift
Qualifications
1 112 (12.02%) Degree
2 59 (6.33%) Computer Science Degree
3 25 (2.68%) SANS
4 22 (2.36%) Master's Degree
5 12 (1.29%) PhD
6 1 (0.11%) AWS Certification
Quality Assurance & Compliance
1 163 (17.49%) Accessibility
2 77 (8.26%) QA
3 26 (2.79%) WCAG
4 9 (0.97%) GDPR
5 1 (0.11%) ISO/IEC 27001
System Software
1 274 (29.40%) Docker
2 11 (1.18%) Apache ZooKeeper
2 11 (1.18%) etcd
3 2 (0.21%) Varnish
4 1 (0.11%) Active Directory
4 1 (0.11%) VirtualBox
Systems Management
1 159 (17.06%) Kubernetes
2 86 (9.23%) Terraform
3 20 (2.15%) Hadoop YARN
4 12 (1.29%) Bugsnag
5 11 (1.18%) Consul
6 4 (0.43%) Marathon
6 4 (0.43%) Mesos
6 4 (0.43%) ZABBIX
7 3 (0.32%) Ansible
8 2 (0.21%) Grafana
8 2 (0.21%) HAProxy
8 2 (0.21%) Kibana
8 2 (0.21%) logstash
8 2 (0.21%) MIIS
8 2 (0.21%) Opscode Chef
8 2 (0.21%) Opsgenie
8 2 (0.21%) Pingdom
8 2 (0.21%) Puppet
9 1 (0.11%) Icinga
Vendors
1 128 (13.73%) Google
2 26 (2.79%) Microsoft
3 23 (2.47%) Oracle
4 21 (2.25%) Apple
4 21 (2.25%) Sony
5 18 (1.93%) Adobe
6 14 (1.50%) Instagram
7 13 (1.39%) New Relic
8 12 (1.29%) Facebook
9 10 (1.07%) Atlassian
10 9 (0.97%) Bloomberg
10 9 (0.97%) DocuSign
10 9 (0.97%) LexisNexis
10 9 (0.97%) Reuters
10 9 (0.97%) TOWER Software
10 9 (0.97%) Wallstreet Suite
11 8 (0.86%) Twitter
12 6 (0.64%) Autodesk
12 6 (0.64%) BT
12 6 (0.64%) Salesforce.com