Period
to 26 September 2021

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 26 September 2021 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
26 Sep 2021
Same period 2020 Same period 2019
Rank 207 145 220
Rank change year-on-year -62 +75 -1
Permanent jobs citing ES6 39 52 119
As % of all permanent jobs advertised in the City of London 0.67% 1.38% 1.18%
As % of the Programming Languages category 1.12% 2.26% 1.95%
Number of salaries quoted 39 50 92
10th Percentile £51,250 £50,625 £47,500
25th Percentile £58,750 £55,000 £53,750
Median annual salary (50th Percentile) £65,000 £65,000 £65,000
75th Percentile £85,000 £75,000 £77,813
90th Percentile £95,000 £80,000 £87,375
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 3,497 2,301 6,113
As % of all permanent IT jobs advertised in the City of London 59.78% 61.21% 60.48%
Number of salaries quoted 3,143 2,026 5,457
10th Percentile £46,250 £45,000 £42,500
25th Percentile £56,250 £55,000 £52,500
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - +7.69%
75th Percentile £95,000 £87,500 £85,000
90th Percentile £107,500 £107,500 £97,500
Central London median annual salary £75,000 £70,000 £67,500
% change year-on-year +7.14% +3.70% +3.85%

ES6
Job Vacancy Trend in the City of London

Job postings citing ES6 as a proportion 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

3-month moving average salary quoted in 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

Salary distribution for jobs citing ES6 in the City of London over the 6 months to 26 September 2021.

Salary histogram for ES6 in the City of London

For the 6 months to 26 September 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 City of London region with a requirement for ES6.

1 36 (92.31%) JavaScript
1 36 (92.31%) React
2 32 (82.05%) Agile Software Development
3 27 (69.23%) AngularJS
4 25 (64.10%) Finance
5 24 (61.54%) C#
5 24 (61.54%) TypeScript
6 21 (53.85%) Software Engineering
7 20 (51.28%) TDD
8 19 (48.72%) Node.js
9 17 (43.59%) High Availability
9 17 (43.59%) Oracle
9 17 (43.59%) SQL Server
9 17 (43.59%) CSS
9 17 (43.59%) Deployment Automation
10 16 (41.03%) HTML
11 13 (33.33%) Front Office
11 13 (33.33%) Multithreading
12 12 (30.77%) HTML5
13 11 (28.21%) Docker
13 11 (28.21%) .NET
14 9 (23.08%) OO
14 9 (23.08%) NoSQL
14 9 (23.08%) Apache Spark
15 8 (20.51%) Front End Development
15 8 (20.51%) AWS
16 7 (17.95%) Open Source
16 7 (17.95%) DevOps
16 7 (17.95%) Sass
16 7 (17.95%) Microservices

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 9 (23.08%) Apache Spark
2 2 (5.13%) CMS
3 1 (2.56%) Headless CMS
Business Applications
1 3 (7.69%) Shopify
2 1 (2.56%) SAP Hybris
Cloud Services
1 8 (20.51%) AWS
2 6 (15.38%) Azure
3 3 (7.69%) npm
4 1 (2.56%) Yarn
Communications & Networking
1 1 (2.56%) Internet
1 1 (2.56%) SSH
Database & Business Intelligence
1 17 (43.59%) SQL Server
2 9 (23.08%) NoSQL
3 6 (15.38%) Apache Hive
3 6 (15.38%) Big Data
3 6 (15.38%) Hadoop
4 3 (7.69%) Apache Cassandra
Development Applications
1 7 (17.95%) Git (software)
2 4 (10.26%) webpack
3 2 (5.13%) Cypress.io
3 2 (5.13%) GitLab
4 1 (2.56%) Babel
4 1 (2.56%) Cucumber
4 1 (2.56%) Jenkins
4 1 (2.56%) Maven
4 1 (2.56%) Sourcetree
4 1 (2.56%) Subversion
General
1 25 (64.10%) Finance
2 13 (33.33%) Front Office
3 3 (7.69%) Social Skills
4 1 (2.56%) Banking
Job Titles
1 25 (64.10%) Developer
2 12 (30.77%) Senior Developer
3 10 (25.64%) Software Engineer
4 6 (15.38%) React Developer
4 6 (15.38%) Software Developer
5 5 (12.82%) .NET Software Engineer
5 5 (12.82%) Front End Developer (Client-Side Developer)
6 4 (10.26%) Full Stack Developer
6 4 (10.26%) Java Developer
6 4 (10.26%) Senior Full Stack Developer
6 4 (10.26%) Senior React Developer
7 3 (7.69%) Senior Software Developer
7 3 (7.69%) Senior Software Engineer
8 2 (5.13%) Java Engineer
8 2 (5.13%) Senior Java Engineer
9 1 (2.56%) .NET Web Developer
9 1 (2.56%) Angular Developer
9 1 (2.56%) C# .NET Developer
9 1 (2.56%) Java Software Engineer
9 1 (2.56%) Node.js Developer
Libraries, Frameworks & Software Standards
1 36 (92.31%) React
2 27 (69.23%) AngularJS
3 19 (48.72%) Node.js
4 17 (43.59%) CSS
5 16 (41.03%) HTML
6 12 (30.77%) HTML5
7 11 (28.21%) .NET
8 7 (17.95%) Redux
8 7 (17.95%) Sass
9 6 (15.38%) RESTful
10 5 (12.82%) .NET Core
10 5 (12.82%) CSS3
11 4 (10.26%) Jest
11 4 (10.26%) Vue.js
12 2 (5.13%) Express
12 2 (5.13%) LESS
13 1 (2.56%) Flash
13 1 (2.56%) jQuery
13 1 (2.56%) Middleware
13 1 (2.56%) Web Services
Miscellaneous
1 6 (15.38%) Greenfield Project
2 2 (5.13%) User Experience
3 1 (2.56%) Blog
3 1 (2.56%) Data Structures
3 1 (2.56%) Digital Media
3 1 (2.56%) Enterprise Software
3 1 (2.56%) Spread Betting
3 1 (2.56%) W3C
Operating Systems
1 5 (12.82%) Linux
Processes & Methodologies
1 32 (82.05%) Agile Software Development
2 21 (53.85%) Software Engineering
3 20 (51.28%) TDD
4 17 (43.59%) Deployment Automation
4 17 (43.59%) High Availability
5 13 (33.33%) Multithreading
6 9 (23.08%) OO
7 8 (20.51%) Front End Development
8 7 (17.95%) Computer Science
8 7 (17.95%) DevOps
8 7 (17.95%) Microservices
8 7 (17.95%) Open Source
9 6 (15.38%) Artificial Intelligence
9 6 (15.38%) Project Delivery
10 5 (12.82%) Continuous Integration
10 5 (12.82%) Full Stack Development
10 5 (12.82%) Multithreaded Programming
11 3 (7.69%) E-Commerce
11 3 (7.69%) Test Automation
11 3 (7.69%) Web Development
Programming Languages
1 36 (92.31%) JavaScript
2 24 (61.54%) C#
2 24 (61.54%) TypeScript
3 7 (17.95%) Java
3 7 (17.95%) PHP
4 6 (15.38%) Kotlin
4 6 (15.38%) Python
4 6 (15.38%) Scala
4 6 (15.38%) SQL
5 3 (7.69%) ES7
6 1 (2.56%) ActionScript
6 1 (2.56%) ActionScript 3.0
6 1 (2.56%) ES8
6 1 (2.56%) Groovy
Qualifications
1 7 (17.95%) Computer Science Degree
1 7 (17.95%) Degree
2 1 (2.56%) SANS
Quality Assurance & Compliance
1 3 (7.69%) Accessibility
2 1 (2.56%) QA
System Software
1 11 (28.21%) Docker
Systems Management
1 6 (15.38%) Kubernetes
Vendors
1 17 (43.59%) Oracle
2 2 (5.13%) Google
3 1 (2.56%) hybris
3 1 (2.56%) Microsoft
3 1 (2.56%) SAP
3 1 (2.56%) WooCommerce