Period
to 25 September 2021

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 September 2021 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 Sep 2021
Same period 2020 Same period 2019
Rank 160 108 156
Rank change year-on-year -52 +48 -19
Contract jobs citing ES6 17 7 83
As % of all contract jobs advertised in the City of London 0.47% 0.39% 1.33%
As % of the Programming Languages category 1.00% 0.81% 2.70%
Number of daily rates quoted 13 7 64
10th Percentile £356 £423 £416
25th Percentile £363 £502 £463
Median daily rate (50th Percentile) £550 £525 £530
Median % change year-on-year +4.76% -0.94% -3.64%
75th Percentile £650 £574 £621
90th Percentile £675 £575 £675
Central London median daily rate £550 £538 £525
% change year-on-year +2.33% +2.38% -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 1,707 859 3,075
As % of all contract IT jobs advertised in the City of London 46.74% 48.42% 49.24%
Number of daily rates quoted 1,326 658 2,520
10th Percentile £405 £363 £400
25th Percentile £481 £432 £463
Median daily rate (50th Percentile) £600 £525 £525
Median % change year-on-year +14.29% - -
75th Percentile £675 £625 £625
90th Percentile £770 £690 £688
Central London median daily rate £588 £525 £525
% change year-on-year +11.90% - -
Number of hourly rates quoted 10 8 16
10th Percentile £26.15 £19.23 £15.75
25th Percentile £32.00 £23.13 £21.00
Median hourly rate £36.50 £34.75 £21.25
Median % change year-on-year +5.04% +63.53% -3.41%
75th Percentile £61.56 £39.44 £39.84
90th Percentile £67.98 £44.95 £50.19
Central London median hourly rate £35.00 £34.75 £21.50
% change year-on-year +0.72% +61.63% -2.27%

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 September 2021.

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 September 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London Bridge - 4 £650 -
ES6
Central London

For the 6 months to 25 September 2021, 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 16 (94.12%) JavaScript
2 13 (76.47%) CSS
2 13 (76.47%) React
3 12 (70.59%) Node.js
4 11 (64.71%) Sass
5 10 (58.82%) AngularJS
5 10 (58.82%) HTML
6 8 (47.06%) Jasmine
6 8 (47.06%) Jest
7 7 (41.18%) Redux
7 7 (41.18%) AWS
7 7 (41.18%) Web Services
7 7 (41.18%) Agile Software Development
8 6 (35.29%) RESTful
8 6 (35.29%) Build Automation
8 6 (35.29%) Continuous Deployment
8 6 (35.29%) webpack
8 6 (35.29%) Front End Development
9 5 (29.41%) Data Structures
9 5 (29.41%) Algorithms
9 5 (29.41%) TypeScript
9 5 (29.41%) Docker
9 5 (29.41%) CSS3
9 5 (29.41%) HTML5
9 5 (29.41%) TDD
9 5 (29.41%) Pair Programming
9 5 (29.41%) SQL
10 4 (23.53%) Java
10 4 (23.53%) Artificial Intelligence
10 4 (23.53%) Machine Learning

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 3 (17.65%) Oracle SOA Suite
Business Applications
1 2 (11.76%) Payment Gateway
Cloud Services
1 7 (41.18%) AWS
2 2 (11.76%) AWS Lambda
2 2 (11.76%) Serverless
3 1 (5.88%) Azure
Communications & Networking
1 3 (17.65%) HTTP
2 2 (11.76%) Internet
Database & Business Intelligence
1 2 (11.76%) Apache Hive
1 2 (11.76%) Big Data
1 2 (11.76%) PostgreSQL
Development Applications
1 8 (47.06%) Jasmine
2 6 (35.29%) webpack
3 4 (23.53%) Grunt
3 4 (23.53%) gulp
3 4 (23.53%) Karma Test Runner
3 4 (23.53%) PhantomJS
4 3 (17.65%) Git (software)
4 3 (17.65%) JSUnit
5 2 (11.76%) Mocha
6 1 (5.88%) Cypress.io
General
1 2 (11.76%) Advertising
1 2 (11.76%) Finance
2 1 (5.88%) Analytical Skills
2 1 (5.88%) Retail
Job Titles
1 15 (88.24%) Developer
2 6 (35.29%) Front End Developer (Client-Side Developer)
2 6 (35.29%) React Developer
3 4 (23.53%) JavaScript Developer
3 4 (23.53%) Senior Developer
3 4 (23.53%) UI Developer
4 3 (17.65%) Node.js Developer
5 2 (11.76%) Backend Developer
5 2 (11.76%) Senior Backend Developer
6 1 (5.88%) Big Data Developer
6 1 (5.88%) Senior Front-End Developer
6 1 (5.88%) Senior React Developer
Libraries, Frameworks & Software Standards
1 13 (76.47%) CSS
1 13 (76.47%) React
2 12 (70.59%) Node.js
3 11 (64.71%) Sass
4 10 (58.82%) AngularJS
4 10 (58.82%) HTML
5 8 (47.06%) Jest
6 7 (41.18%) Redux
6 7 (41.18%) Web Services
7 6 (35.29%) RESTful
8 5 (29.41%) CSS3
8 5 (29.41%) HTML5
9 4 (23.53%) Vue.js
10 3 (17.65%) jQuery
10 3 (17.65%) JSON
10 3 (17.65%) LESS
11 2 (11.76%) Chai
11 2 (11.76%) Express
11 2 (11.76%) Handlebars
11 2 (11.76%) REST
Miscellaneous
1 5 (29.41%) Algorithms
1 5 (29.41%) Data Structures
2 2 (11.76%) User Experience
3 1 (5.88%) Fixed Income
Processes & Methodologies
1 7 (41.18%) Agile Software Development
2 6 (35.29%) Build Automation
2 6 (35.29%) Continuous Deployment
2 6 (35.29%) Front End Development
3 5 (29.41%) Pair Programming
3 5 (29.41%) TDD
4 4 (23.53%) Artificial Intelligence
4 4 (23.53%) Machine Learning
4 4 (23.53%) Responsive Web Design
4 4 (23.53%) User Stories
4 4 (23.53%) Wireframes
5 3 (17.65%) Continuous Delivery
5 3 (17.65%) Continuous Integration
5 3 (17.65%) Mentoring
5 3 (17.65%) SEO
5 3 (17.65%) SOA
5 3 (17.65%) Unit Testing
5 3 (17.65%) Web Development
6 2 (11.76%) OO
6 2 (11.76%) Scrum
Programming Languages
1 16 (94.12%) JavaScript
2 5 (29.41%) SQL
2 5 (29.41%) TypeScript
3 4 (23.53%) Java
4 3 (17.65%) PL/SQL
5 2 (11.76%) C#
5 2 (11.76%) Python
Quality Assurance & Compliance
1 2 (11.76%) Accessibility
System Software
1 5 (29.41%) Docker
Systems Management
1 4 (23.53%) Opscode Chef
2 1 (5.88%) Kubernetes
Vendors
1 3 (17.65%) Oracle
2 2 (11.76%) Adobe
2 2 (11.76%) WorldPay