Period
to 20 October 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 20 October 2021 with a comparison to the same period in the previous 2 years.

ECMAScript 2015 (JavaScript ES2015, ES6)
England > London
6 months to
20 Oct 2021
Same period 2020 Same period 2019
Rank 197 274 256
Rank change year-on-year +77 -18 +10
Permanent jobs citing ES6 981 204 750
As % of all permanent jobs advertised in London 1.94% 1.03% 1.38%
As % of the Programming Languages category 3.19% 1.69% 2.46%
Number of salaries quoted 370 187 649
10th Percentile £48,750 £47,000 £45,000
25th Percentile £60,000 £55,000 £53,750
Median annual salary (50th Percentile) £72,500 £67,500 £67,500
Median % change year-on-year +7.41% - +0.37%
75th Percentile £85,000 £75,000 £80,000
90th Percentile £100,000 £86,000 £95,250
England median annual salary £65,000 £57,500 £60,000
% change year-on-year +13.04% -4.17% +4.35%

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 30,796 12,084 30,455
As % of all permanent IT jobs advertised in London 60.84% 61.13% 56.13%
Number of salaries quoted 19,009 10,426 25,626
10th Percentile £45,000 £45,000 £38,750
25th Percentile £55,000 £53,750 £50,000
Median annual salary (50th Percentile) £72,500 £70,000 £65,000
Median % change year-on-year +3.57% +7.69% +4.00%
75th Percentile £91,250 £87,500 £85,000
90th Percentile £110,000 £110,000 £100,000
England median annual salary £60,000 £57,500 £52,500
% change year-on-year +4.35% +9.52% +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 20 October 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 20 October 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
West London -27 56 £70,000 +27.27% 10
Central London -78 38 £70,000 +7.69% 29
South London - 14 £60,000 - 3
North London -11 1 - -
ES6
England

For the 6 months to 20 October 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.

1 898 (91.54%) JavaScript
2 814 (82.98%) React
3 555 (56.57%) CSS
4 545 (55.56%) HTML
5 541 (55.15%) Node.js
6 519 (52.91%) TypeScript
7 496 (50.56%) Agile Software Development
8 404 (41.18%) Git (software)
9 392 (39.96%) Front End Development
10 366 (37.31%) Redux
11 351 (35.78%) User Experience
12 332 (33.84%) Sass
13 325 (33.13%) webpack
14 318 (32.42%) HTML5
15 311 (31.70%) TDD
16 305 (31.09%) AngularJS
17 304 (30.99%) Full Stack Development
18 288 (29.36%) Docker
19 267 (27.22%) AWS
20 248 (25.28%) Software Engineering
20 248 (25.28%) Finance
21 224 (22.83%) CSS3
22 222 (22.63%) Vue.js
23 221 (22.53%) Jest
24 204 (20.80%) Social Skills
25 188 (19.16%) Continuous Integration
26 173 (17.64%) REST
27 169 (17.23%) DevOps
28 167 (17.02%) Kubernetes
29 163 (16.62%) Google

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 51 (5.20%) CMS
1 51 (5.20%) Elasticsearch
2 28 (2.85%) nginx
3 26 (2.65%) Apache
4 25 (2.55%) Headless CMS
4 25 (2.55%) IIS
5 20 (2.04%) IBM Domino
5 20 (2.04%) WordPress
6 16 (1.63%) Cloud Foundry
7 10 (1.02%) Apache Spark
8 7 (0.71%) Confluence
8 7 (0.71%) Drupal
9 6 (0.61%) Mule
10 4 (0.41%) Adobe Experience Manager
10 4 (0.41%) Tornado
11 1 (0.10%) Apache Airflow
11 1 (0.10%) Apache Solr
11 1 (0.10%) Jupyter
11 1 (0.10%) Umbraco
Applications
1 28 (2.85%) Sketch
2 17 (1.73%) InVision
3 16 (1.63%) Photoshop
4 14 (1.43%) Adobe XD
5 10 (1.02%) Adobe Premiere
5 10 (1.02%) Final Cut Pro
6 9 (0.92%) Chatbot
6 9 (0.92%) Figma
7 4 (0.41%) UXPin
8 2 (0.20%) Zeplin
9 1 (0.10%) Revit
Business Applications
1 11 (1.12%) Shopify
2 5 (0.51%) SAP Hybris
2 5 (0.51%) Summit
3 4 (0.41%) Magento
Cloud Services
1 267 (27.22%) AWS
2 160 (16.31%) npm
3 111 (11.31%) GCP
4 108 (11.01%) Azure
5 99 (10.09%) SaaS
6 95 (9.68%) Serverless
7 77 (7.85%) GitHub
8 60 (6.12%) Heroku
9 49 (4.99%) Codefresh
10 46 (4.69%) Yarn
11 39 (3.98%) AWS CloudFormation
12 35 (3.57%) Amazon S3
13 33 (3.36%) Amazon SQS
14 32 (3.26%) AWS Lambda
15 31 (3.16%) Datadog
16 29 (2.96%) OpenShift
17 28 (2.85%) CloudFront
18 24 (2.45%) Fastly
19 19 (1.94%) Amazon EC2
19 19 (1.94%) Amazon ECS
Communications & Networking
1 41 (4.18%) HTTP
2 29 (2.96%) Internet
3 17 (1.73%) Broadband
4 12 (1.22%) MQTT
5 8 (0.82%) SMS
6 7 (0.71%) SSH
7 2 (0.20%) DNS
8 1 (0.10%) Firewall
Database & Business Intelligence
1 146 (14.88%) PostgreSQL
2 89 (9.07%) Redis
3 85 (8.66%) NoSQL
4 69 (7.03%) MongoDB
5 58 (5.91%) MySQL
6 57 (5.81%) SQL Server
7 54 (5.50%) Amazon DynamoDB
8 43 (4.38%) Relational Database
9 27 (2.75%) Big Data
10 19 (1.94%) Blockchain
11 18 (1.83%) Data Mining
12 17 (1.73%) Amazon RDS
13 16 (1.63%) RDBMS
14 14 (1.43%) Amazon Aurora
15 12 (1.22%) Data Warehouse
16 9 (0.92%) Apache Cassandra
17 8 (0.82%) Couchbase
18 7 (0.71%) Hadoop
19 5 (0.51%) Apache Hive
20 2 (0.20%) Geospatial Data
Development Applications
1 404 (41.18%) Git (software)
2 325 (33.13%) webpack
3 105 (10.70%) CircleCI
4 88 (8.97%) Cypress.io
4 88 (8.97%) gulp
5 76 (7.75%) JIRA
6 73 (7.44%) Mocha
7 68 (6.93%) Babel
8 55 (5.61%) PostCSS
9 50 (5.10%) Travis CI
10 49 (4.99%) Jenkins
11 40 (4.08%) RSpec
11 40 (4.08%) Selenium
12 36 (3.67%) Storybook
13 29 (2.96%) Cucumber
14 23 (2.34%) Grunt
15 21 (2.14%) Sinon.JS
16 19 (1.94%) Bower
17 18 (1.83%) Bitbucket
17 18 (1.83%) Postman
General
1 248 (25.28%) Finance
2 204 (20.80%) Social Skills
3 141 (14.37%) Marketing
4 75 (7.65%) Games
5 46 (4.69%) Analytical Skills
6 37 (3.77%) Retail
7 30 (3.06%) Pharmaceutical
8 29 (2.96%) Local Government
9 26 (2.65%) Banking
10 25 (2.55%) Legal
10 25 (2.55%) Presentation Skills
10 25 (2.55%) Publishing
11 22 (2.24%) Public Sector
12 20 (2.04%) Advertising
13 19 (1.94%) Wearables
14 15 (1.53%) Front Office
15 12 (1.22%) Back Office
16 7 (0.71%) Inclusion and Diversity
17 4 (0.41%) Digital Economy
17 4 (0.41%) Law
Job Titles
1 590 (60.14%) Developer
2 239 (24.36%) Front End Developer (Client-Side Developer)
3 177 (18.04%) Senior Developer
4 146 (14.88%) React Developer
5 113 (11.52%) Software Engineer
6 100 (10.19%) Full Stack Developer
7 82 (8.36%) Senior Front-End Developer
8 71 (7.24%) Senior React Developer
9 48 (4.89%) JavaScript Developer
10 43 (4.38%) UI Developer
11 38 (3.87%) Senior Software Engineer
12 32 (3.26%) Software Developer
13 29 (2.96%) Senior Full Stack Developer
14 27 (2.75%) Lead Developer
15 25 (2.55%) Backend Developer
16 20 (2.04%) Python Developer
17 19 (1.94%) Node.js Developer
18 18 (1.83%) Lead Software Engineer
19 17 (1.73%) Angular Developer
20 15 (1.53%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 814 (82.98%) React
2 555 (56.57%) CSS
3 545 (55.56%) HTML
4 541 (55.15%) Node.js
5 366 (37.31%) Redux
6 332 (33.84%) Sass
7 318 (32.42%) HTML5
8 305 (31.09%) AngularJS
9 224 (22.83%) CSS3
10 222 (22.63%) Vue.js
11 221 (22.53%) Jest
12 173 (17.64%) REST
13 155 (15.80%) React Native
14 154 (15.70%) GraphQL
15 105 (10.70%) RESTful
15 105 (10.70%) Web Services
16 89 (9.07%) .NET
17 80 (8.15%) LESS
18 71 (7.24%) Twitter Bootstrap
19 69 (7.03%) Spring Boot
Miscellaneous
1 351 (35.78%) User Experience
2 73 (7.44%) Greenfield Project
3 72 (7.34%) Mobile App
4 57 (5.81%) Data Structures
5 56 (5.71%) Virtual Team
6 53 (5.40%) Algorithms
7 42 (4.28%) Linux Command Line
8 40 (4.08%) Blog
9 30 (3.06%) Self-Motivation
10 26 (2.65%) W3C
11 18 (1.83%) Social Media
12 17 (1.73%) Legacy Systems
13 15 (1.53%) Legacy Code
14 14 (1.43%) Animation
14 14 (1.43%) Life Science
14 14 (1.43%) Marketing Technology
15 10 (1.02%) Video Editing
16 9 (0.92%) Augmented Reality
16 9 (0.92%) iPhone
16 9 (0.92%) Social Gaming
Operating Systems
1 91 (9.28%) Android
2 89 (9.07%) Apple iOS
3 54 (5.50%) Windows
4 43 (4.38%) Linux
5 13 (1.33%) Unix
6 1 (0.10%) tvOS
Processes & Methodologies
1 496 (50.56%) Agile Software Development
2 392 (39.96%) Front End Development
3 311 (31.70%) TDD
4 304 (30.99%) Full Stack Development
5 248 (25.28%) Software Engineering
6 188 (19.16%) Continuous Integration
7 169 (17.23%) DevOps
8 158 (16.11%) Test Automation
9 145 (14.78%) Web Development
10 124 (12.64%) Mentoring
10 124 (12.64%) Unit Testing
11 121 (12.33%) Problem-Solving
12 119 (12.13%) Microservices
13 108 (11.01%) Scrum
14 102 (10.40%) Computer Science
15 99 (10.09%) Continuous Delivery
16 94 (9.58%) Open Source
17 83 (8.46%) OO
18 82 (8.36%) Kanban
19 81 (8.26%) Artificial Intelligence
Programming Languages
1 898 (91.54%) JavaScript
2 519 (52.91%) TypeScript
3 154 (15.70%) Python
4 116 (11.82%) Java
5 108 (11.01%) ES7
6 95 (9.68%) SQL
7 89 (9.07%) PHP
8 83 (8.46%) Ruby
9 73 (7.44%) C#
10 67 (6.83%) Elm
11 43 (4.38%) Go
12 42 (4.28%) Scala
13 35 (3.57%) PureScript
13 35 (3.57%) Rust
14 34 (3.47%) Bash Shell
15 31 (3.16%) Kotlin
16 27 (2.75%) Haskell
17 26 (2.65%) C
18 19 (1.94%) Clojure
19 15 (1.53%) OCaml
Qualifications
1 60 (6.12%) Degree
2 32 (3.26%) Computer Science Degree
3 16 (1.63%) PhD
3 16 (1.63%) SANS
4 8 (0.82%) Master's Degree
5 6 (0.61%) SAFe Agilist
6 1 (0.10%) AWS Certification
Quality Assurance & Compliance
1 163 (16.62%) Accessibility
2 81 (8.26%) QA
3 17 (1.73%) WCAG
4 11 (1.12%) GDPR
System Software
1 288 (29.36%) Docker
2 11 (1.12%) Apache ZooKeeper
2 11 (1.12%) etcd
3 2 (0.20%) Varnish
Systems Management
1 167 (17.02%) Kubernetes
2 77 (7.85%) Terraform
3 25 (2.55%) Hadoop YARN
4 13 (1.33%) Grafana
4 13 (1.33%) ZABBIX
5 12 (1.22%) Bugsnag
5 12 (1.22%) Consul
5 12 (1.22%) HAProxy
5 12 (1.22%) Kibana
5 12 (1.22%) logstash
5 12 (1.22%) Opscode Chef
5 12 (1.22%) Opsgenie
5 12 (1.22%) Pingdom
6 8 (0.82%) MIIS
7 7 (0.71%) Ansible
8 1 (0.10%) Graphite
8 1 (0.10%) Puppet
Vendors
1 163 (16.62%) Google
2 34 (3.47%) New Relic
3 28 (2.85%) Microsoft
4 26 (2.65%) Oracle
5 25 (2.55%) Adobe
6 22 (2.24%) Apple
7 19 (1.94%) Bloomberg
7 19 (1.94%) Sony
8 14 (1.43%) Instagram
9 13 (1.33%) LexisNexis
10 11 (1.12%) Facebook
10 11 (1.12%) Twitter
11 10 (1.02%) Atlassian
11 10 (1.02%) BT
11 10 (1.02%) Optimizely
11 10 (1.02%) YouTube
12 9 (0.92%) DocuSign
12 9 (0.92%) DoubleClick
12 9 (0.92%) Reuters
12 9 (0.92%) Wallstreet Suite