Period
to 24 January 2022

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 24 January 2022 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
24 Jan 2022
Same period 2021 Same period 2020
Rank 168 113 157
Rank change year-on-year -55 +44 -2
Contract jobs citing ES6 21 12 44
As % of all contract jobs advertised in the City of London 0.53% 0.58% 0.89%
As % of the Programming Languages category 1.09% 1.17% 1.85%
Number of daily rates quoted 19 9 38
10th Percentile £510 £213 £425
25th Percentile £591 £308 £513
Median daily rate (50th Percentile) £640 £500 £528
Median % change year-on-year +28.00% -5.21% -6.22%
75th Percentile £793 £545 £584
90th Percentile £838 £565 £616
Central London median daily rate £640 £500 £525
% change year-on-year +28.00% -4.76% -4.55%

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 1,932 1,028 2,378
As % of all contract IT jobs advertised in the City of London 48.57% 49.73% 48.24%
Number of daily rates quoted 1,528 795 1,917
10th Percentile £413 £360 £388
25th Percentile £500 £431 £450
Median daily rate (50th Percentile) £575 £550 £525
Median % change year-on-year +4.55% +4.76% -
75th Percentile £688 £638 £625
90th Percentile £775 £700 £688
Central London median daily rate £575 £550 £525
% change year-on-year +4.55% +4.76% -
Number of hourly rates quoted 10 5 13
10th Percentile £43.45 - £21.00
25th Percentile £48.00 £12.75 £21.17
Median hourly rate £59.25 £14.00 £47.50
Median % change year-on-year +323.21% -70.53% +28.07%
75th Percentile £66.25 £22.00 £52.25
90th Percentile £77.63 £31.15 £55.00
Central London median hourly rate £59.25 £18.00 £36.25
% change year-on-year +229.17% -50.34% -2.26%

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 24 January 2022.

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 24 January 2022. 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
Jobs
London Bridge - 5 £825 -
ES6
Central London

For the 6 months to 24 January 2022, 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 20 (95.24%) JavaScript
2 19 (90.48%) CSS
3 17 (80.95%) React
4 16 (76.19%) HTML
5 15 (71.43%) Agile Software Development
5 15 (71.43%) Front End Development
6 13 (61.90%) Sass
6 13 (61.90%) AngularJS
7 10 (47.62%) Vue.js
7 10 (47.62%) webpack
8 9 (42.86%) Jest
8 9 (42.86%) Jasmine
9 8 (38.10%) Node.js
9 8 (38.10%) Data Structures
9 8 (38.10%) Algorithms
10 7 (33.33%) Continuous Deployment
10 7 (33.33%) Build Automation
10 7 (33.33%) User Stories
10 7 (33.33%) Docker
11 6 (28.57%) User Experience
11 6 (28.57%) Grunt
11 6 (28.57%) Opscode Chef
11 6 (28.57%) PhantomJS
11 6 (28.57%) Machine Learning
11 6 (28.57%) Redux
11 6 (28.57%) Wireframes
11 6 (28.57%) gulp
11 6 (28.57%) AWS
12 5 (23.81%) Banking
12 5 (23.81%) Artificial Intelligence

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 (4.76%) CMS
1 1 (4.76%) Drupal
1 1 (4.76%) EPiServer
1 1 (4.76%) Sitecore CMS
1 1 (4.76%) Umbraco
Cloud Services
1 6 (28.57%) AWS
2 2 (9.52%) Azure
3 1 (4.76%) GitHub
Communications & Networking
1 2 (9.52%) HTTP
1 2 (9.52%) Internet
2 1 (4.76%) DNS
2 1 (4.76%) HTTPS
Development Applications
1 10 (47.62%) webpack
2 9 (42.86%) Jasmine
3 6 (28.57%) Grunt
3 6 (28.57%) gulp
3 6 (28.57%) PhantomJS
4 4 (19.05%) Git (software)
5 2 (9.52%) Cypress.io
5 2 (9.52%) Karma Test Runner
5 2 (9.52%) Mocha
General
1 5 (23.81%) Banking
1 5 (23.81%) Finance
2 3 (14.29%) Investment Banking
2 3 (14.29%) Social Skills
3 2 (9.52%) Marketing
4 1 (4.76%) Advertising
4 1 (4.76%) Games
Job Titles
1 18 (85.71%) Developer
2 9 (42.86%) Front End Developer (Client-Side Developer)
3 7 (33.33%) React Developer
4 4 (19.05%) Angular Developer
5 3 (14.29%) UI Developer
6 2 (9.52%) Senior Developer
6 2 (9.52%) Senior UI Developer
7 1 (4.76%) Cloud Developer
7 1 (4.76%) JavaScript Developer
7 1 (4.76%) Lead Developer
7 1 (4.76%) Salesforce Developer
7 1 (4.76%) Technical Leader
7 1 (4.76%) UI Engineer
Libraries, Frameworks & Software Standards
1 19 (90.48%) CSS
2 17 (80.95%) React
3 16 (76.19%) HTML
4 13 (61.90%) AngularJS
4 13 (61.90%) Sass
5 10 (47.62%) Vue.js
6 9 (42.86%) Jest
7 8 (38.10%) Node.js
8 6 (28.57%) Redux
9 4 (19.05%) CSS3
9 4 (19.05%) HTML5
9 4 (19.05%) REST
10 2 (9.52%) Express
10 2 (9.52%) LESS
10 2 (9.52%) NgRx
10 2 (9.52%) RxJS
10 2 (9.52%) WebdriverIO
11 1 (4.76%) Enzyme
11 1 (4.76%) Handlebars
11 1 (4.76%) Sails.js
Miscellaneous
1 8 (38.10%) Algorithms
1 8 (38.10%) Data Structures
2 6 (28.57%) User Experience
3 3 (14.29%) Greenfield Project
4 2 (9.52%) Blog
4 2 (9.52%) Fixed Income
5 1 (4.76%) Mobile App
5 1 (4.76%) Public Cloud
Processes & Methodologies
1 15 (71.43%) Agile Software Development
1 15 (71.43%) Front End Development
2 7 (33.33%) Build Automation
2 7 (33.33%) Continuous Deployment
2 7 (33.33%) User Stories
3 6 (28.57%) Machine Learning
3 6 (28.57%) Wireframes
4 5 (23.81%) Artificial Intelligence
5 4 (19.05%) DevOps
5 4 (19.05%) Test Automation
6 3 (14.29%) Software Engineering
7 2 (9.52%) Computer Science
7 2 (9.52%) Cross-Browser Compatibility
7 2 (9.52%) Electronic Trading
7 2 (9.52%) Event-Driven
7 2 (9.52%) Event-Driven Architecture
7 2 (9.52%) Mentoring
7 2 (9.52%) OO
7 2 (9.52%) Open Source
7 2 (9.52%) Validation
Programming Languages
1 20 (95.24%) JavaScript
2 4 (19.05%) Python
3 3 (14.29%) TypeScript
4 2 (9.52%) Java
4 2 (9.52%) SQL
5 1 (4.76%) ActionScript
5 1 (4.76%) C#
5 1 (4.76%) PHP
5 1 (4.76%) R
5 1 (4.76%) Ruby
Qualifications
1 2 (9.52%) Degree
Quality Assurance & Compliance
1 5 (23.81%) Accessibility
System Software
1 7 (33.33%) Docker
Systems Management
1 6 (28.57%) Opscode Chef
2 2 (9.52%) Terraform
Vendors
1 1 (4.76%) Adobe
1 1 (4.76%) Salesforce Marketing Cloud
1 1 (4.76%) Salesforce.com
1 1 (4.76%) Sitecore