Period
to 25 May 2020

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for ES6 skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited ES6 over the 6 months to 25 May 2020 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

ECMAScript 2015 (JavaScript ES2015, ES6)
Central London > City of London
6 months to
25 May 2020
Same period 2019 Same period 2018
Rank 136 119 138
Rank change year-on-year -17 +19 +27
Contract jobs citing ES6 19 128 119
As % of all contract jobs advertised in the City of London 0.60% 1.98% 1.71%
As % of the Programming Languages category 1.25% 3.92% 3.24%
Number of daily rates quoted 16 106 110
Median daily rate £525 £550 £550
Median daily rate % change year-on-year -4.55% - +10.00%
10th Percentile £397 £441 £425
90th Percentile £654 £675 £725
Central London median daily rate £525 £550 £525
% change year-on-year -4.55% +4.76% +5.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
Central London median hourly rate - - -

ES6 is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for coding skills.

All Programming Languages
City of London
Contract vacancies with a requirement for coding skills 1,523 3,267 3,673
As % of all contract IT jobs advertised in the City of London 48.26% 50.50% 52.64%
Number of daily rates quoted 1,153 2,640 3,081
Median daily rate £525 £525 £525
10th Percentile £376 £406 £363
90th Percentile £688 £675 £694
Central London median daily rate £525 £525 £513
% change year-on-year - +2.44% +5.13%
Number of hourly rates quoted 18 21 21
Median hourly rate £35.00 £35.00 £21.50
Median hourly rate % change year-on-year - +62.79% -24.15%
10th Percentile £24.20 £21.00 £12.75
90th Percentile £56.80 £56.50 £48.25
Median hourly rate £35.00 £35.00 £21.50
% change year-on-year - +62.79% -24.15%

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
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing ES6 in the City of London.

Daily rate trend for ES6 in the City of London

ES6
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing ES6 in the City of London over the 6 months to 25 May 2020.

Daily rate histogram for ES6 in the City of London

ES6
Contract Job Locations in the City of London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing ES6 within the City of London region over the 6 months to 25 May 2020. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Moorgate +5 4 £525 +5.00%
ES6
Central London

For the 6 months to 25 May 2020, IT contractor 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 contract job ads across the City of London region with a requirement for ES6.

1 13 (68.42%) TypeScript
2 11 (57.89%) Node.js
3 10 (52.63%) Redux
3 10 (52.63%) JavaScript
3 10 (52.63%) CSS
4 9 (47.37%) HTML
4 9 (47.37%) React
5 8 (42.11%) Sass
5 8 (42.11%) Agile Software Development
6 7 (36.84%) AngularJS
6 7 (36.84%) Front End Development
7 6 (31.58%) Jest
7 6 (31.58%) Docker
7 6 (31.58%) Kubernetes
7 6 (31.58%) Continuous Integration
8 5 (26.32%) TDD
8 5 (26.32%) Express
9 4 (21.05%) ES7
9 4 (21.05%) Digital Transformation Programme
9 4 (21.05%) koa
9 4 (21.05%) RxJS
9 4 (21.05%) Scrum
9 4 (21.05%) OOP
9 4 (21.05%) AWS
10 3 (15.79%) HTML5
10 3 (15.79%) Git (software)
10 3 (15.79%) Google
10 3 (15.79%) Finance
10 3 (15.79%) Angular 2
10 3 (15.79%) Jasmine

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 1 (5.26%) CMS
1 1 (5.26%) Elasticsearch
1 1 (5.26%) EPiServer
Cloud Services
1 4 (21.05%) AWS
2 2 (10.53%) GCP
3 1 (5.26%) Azure
3 1 (5.26%) Heroku
3 1 (5.26%) npm
3 1 (5.26%) OpenShift
3 1 (5.26%) Yarn
Communications & Networking
1 2 (10.53%) HTTP
2 1 (5.26%) DNS
2 1 (5.26%) FTP
2 1 (5.26%) SSL
2 1 (5.26%) TCP/IP
Database & Business Intelligence
1 1 (5.26%) MongoDB
Development Applications
1 3 (15.79%) Git (software)
1 3 (15.79%) Jasmine
2 2 (10.53%) PhantomJS
2 2 (10.53%) Protractor
2 2 (10.53%) webpack
3 1 (5.26%) Babel
3 1 (5.26%) Bitbucket
3 1 (5.26%) Cucumber
3 1 (5.26%) Cypress.io
3 1 (5.26%) git-flow
3 1 (5.26%) GitLab
3 1 (5.26%) Gradle
3 1 (5.26%) gulp
3 1 (5.26%) Jenkins
3 1 (5.26%) TestCafe
General
1 3 (15.79%) Finance
2 1 (5.26%) Front Office
2 1 (5.26%) Law
Job Titles
1 12 (63.16%) Developer
2 5 (26.32%) Front End Developer (Client-Side Developer)
2 5 (26.32%) React Developer
3 4 (21.05%) Angular Developer
4 3 (15.79%) JavaScript Developer
5 1 (5.26%) .NET Software Engineer
5 1 (5.26%) AWS Developer
5 1 (5.26%) C# Software Engineer
5 1 (5.26%) Full Stack Developer
5 1 (5.26%) JavaScript Engineer
5 1 (5.26%) Node.js Developer
5 1 (5.26%) Senior .NET Software Engineer
5 1 (5.26%) Senior Developer
5 1 (5.26%) Senior Front-End Developer
5 1 (5.26%) Senior JavaScript Developer
5 1 (5.26%) Senior React Developer
5 1 (5.26%) Senior Software Engineer
5 1 (5.26%) Technical Leader
5 1 (5.26%) UI Developer
5 1 (5.26%) UI Expert
Libraries, Frameworks & Software Standards
1 11 (57.89%) Node.js
2 10 (52.63%) CSS
2 10 (52.63%) Redux
3 9 (47.37%) HTML
3 9 (47.37%) React
4 8 (42.11%) Sass
5 7 (36.84%) AngularJS
6 6 (31.58%) Jest
7 5 (26.32%) Express
8 4 (21.05%) koa
8 4 (21.05%) RxJS
9 3 (15.79%) Angular 2
9 3 (15.79%) HTML5
10 2 (10.53%) CSS3
10 2 (10.53%) LESS
10 2 (10.53%) REST
10 2 (10.53%) SOAP
11 1 (5.26%) Fusebox
11 1 (5.26%) Spring
11 1 (5.26%) Web Services
Miscellaneous
1 3 (15.79%) User Experience
2 2 (10.53%) Greenfield Project
3 1 (5.26%) Algorithms
3 1 (5.26%) Blog
3 1 (5.26%) Data Structures
3 1 (5.26%) Graphic Design
3 1 (5.26%) W3C
Operating Systems
1 1 (5.26%) Linux
Processes & Methodologies
1 8 (42.11%) Agile Software Development
2 7 (36.84%) Front End Development
3 6 (31.58%) Continuous Integration
4 5 (26.32%) TDD
5 4 (21.05%) Digital Transformation Programme
5 4 (21.05%) OOP
5 4 (21.05%) Scrum
6 2 (10.53%) BDD
6 2 (10.53%) Cross-Browser Compatibility
6 2 (10.53%) Kanban
6 2 (10.53%) Microservices
6 2 (10.53%) OWASP
6 2 (10.53%) Pair Programming
6 2 (10.53%) Software Engineering
6 2 (10.53%) Test Scripting
6 2 (10.53%) Web Development
7 1 (5.26%) Computer Science
7 1 (5.26%) Integration Testing
7 1 (5.26%) Unit Testing
7 1 (5.26%) Wealth Management
Programming Languages
1 13 (68.42%) TypeScript
2 10 (52.63%) JavaScript
3 4 (21.05%) ES7
4 1 (5.26%) C#
4 1 (5.26%) Elm
4 1 (5.26%) ES8
4 1 (5.26%) Java
4 1 (5.26%) Java 8
4 1 (5.26%) Python
System Software
1 6 (31.58%) Docker
Systems Management
1 6 (31.58%) Kubernetes
2 1 (5.26%) Docker Swarm
Vendors
1 3 (15.79%) Google
2 1 (5.26%) Atlassian