Period
to 30 November 2021

The following table provides summary statistics for contract job vacancies advertised in 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 30 November 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)
England > London
6 months to
30 Nov 2021
Same period 2020 Same period 2019
Rank 379 303 213
Rank change year-on-year -76 -90 -43
Contract jobs citing ES6 210 85 442
As % of all contract jobs advertised in London 0.55% 0.54% 1.27%
As % of the Programming Languages category 1.22% 1.08% 2.72%
Number of daily rates quoted 164 59 362
10th Percentile £432 £293 £400
25th Percentile £500 £369 £463
Median daily rate (50th Percentile) £575 £488 £540
Median % change year-on-year +17.95% -9.72% +2.86%
75th Percentile £675 £569 £599
90th Percentile £700 £663 £700
England median daily rate £550 £464 £525
% change year-on-year +18.58% -11.65% +5.00%
Number of hourly rates quoted 2 1 0
Median hourly rate £72.25 £42.00 -
Median % change year-on-year +72.02% - -
England median hourly rate £72.25 £42.00 -
% change year-on-year +72.02% - -

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 London with a requirement for coding skills.

All Programming Languages
London
Contract vacancies with a requirement for coding skills 17,176 7,869 16,273
As % of all contract IT jobs advertised in London 45.35% 49.57% 46.92%
Number of daily rates quoted 13,059 5,815 12,337
10th Percentile £406 £350 £363
25th Percentile £481 £425 £431
Median daily rate (50th Percentile) £575 £525 £525
Median % change year-on-year +9.52% - -
75th Percentile £675 £630 £619
90th Percentile £750 £713 £694
England median daily rate £534 £488 £488
% change year-on-year +9.44% - +2.63%
Number of hourly rates quoted 111 50 105
10th Percentile £24.50 £21.93 £16.50
25th Percentile £36.25 £30.36 £25.00
Median hourly rate £52.50 £37.93 £45.50
Median % change year-on-year +38.42% -16.64% +26.39%
75th Percentile £67.25 £52.91 £52.50
90th Percentile £78.75 £66.98 £60.32
England median hourly rate £47.50 £42.00 £44.00
% change year-on-year +13.10% -4.55% +4.76%

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
Contractor Daily Rate Trend in London

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

Daily rate trend for ES6 in London

ES6
Daily Rate Histogram in London

Daily rate distribution for jobs citing ES6 in London over the 6 months to 30 November 2021.

Daily rate histogram for ES6 in London

ES6
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing ES6 in London.

Hourly rate trend for ES6 in London

ES6
Contract Job Locations in 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 London region over the 6 months to 30 November 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
Central London -43 21 £650 +30.00% 29
East London -12 1 £500 - 7
West London -19 1 £250 -54.55% 12
ES6
England

For the 6 months to 30 November 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 London region with a requirement for ES6.

1 199 (94.76%) JavaScript
2 169 (80.48%) CSS
3 159 (75.71%) React
4 149 (70.95%) HTML
5 117 (55.71%) Agile Software Development
6 110 (52.38%) TypeScript
7 107 (50.95%) Node.js
8 86 (40.95%) Front End Development
9 81 (38.57%) AngularJS
10 66 (31.43%) Jest
11 64 (30.48%) webpack
11 64 (30.48%) Git (software)
12 63 (30.00%) RESTful
13 57 (27.14%) Sass
13 57 (27.14%) CSS3
13 57 (27.14%) npm
14 56 (26.67%) HTML5
15 55 (26.19%) User Experience
16 53 (25.24%) Social Skills
17 52 (24.76%) Java
18 48 (22.86%) Full Stack Development
19 45 (21.43%) Web Development
19 45 (21.43%) Responsive Web Design
20 43 (20.48%) Redux
21 42 (20.00%) REST
22 39 (18.57%) AWS
23 38 (18.10%) Docker
24 37 (17.62%) TDD
25 36 (17.14%) Jenkins
26 35 (16.67%) Microservices

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 8 (3.81%) CMS
2 6 (2.86%) SharePoint
3 5 (2.38%) Confluence
3 5 (2.38%) Drupal
4 3 (1.43%) Apache
4 3 (1.43%) EPiServer
4 3 (1.43%) Headless CMS
4 3 (1.43%) Sitecore CMS
4 3 (1.43%) Umbraco
5 2 (0.95%) Adobe Experience Manager
5 2 (0.95%) Apache Spark
5 2 (0.95%) IIS
5 2 (0.95%) nginx
5 2 (0.95%) WordPress
6 1 (0.48%) JBoss
6 1 (0.48%) Tomcat
Applications
1 1 (0.48%) Photoshop
1 1 (0.48%) Zeplin
Business Applications
1 1 (0.48%) BusinessWorks
1 1 (0.48%) Payment Gateway
Cloud Services
1 57 (27.14%) npm
2 39 (18.57%) AWS
3 25 (11.90%) Yarn
4 22 (10.48%) Azure
5 20 (9.52%) GitHub
6 18 (8.57%) Serverless
7 11 (5.24%) AWS Lambda
8 5 (2.38%) Amazon S3
8 5 (2.38%) AWS CodePipeline
9 4 (1.90%) Amazon EC2
9 4 (1.90%) GCP
10 3 (1.43%) Amazon SQS
10 3 (1.43%) Codefresh
10 3 (1.43%) Heroku
10 3 (1.43%) Microsoft 365
11 2 (0.95%) Amazon CloudWatch
11 2 (0.95%) Amazon Cognito
11 2 (0.95%) IaaS
11 2 (0.95%) SaaS
11 2 (0.95%) Twilio
Communications & Networking
1 19 (9.05%) HTTP
2 2 (0.95%) Internet
3 1 (0.48%) DNS
3 1 (0.48%) HTTPS
Database & Business Intelligence
1 14 (6.67%) SQL Server
2 12 (5.71%) PostgreSQL
3 11 (5.24%) MongoDB
3 11 (5.24%) NoSQL
4 10 (4.76%) Redis
5 9 (4.29%) Relational Database
6 7 (3.33%) Amazon DynamoDB
6 7 (3.33%) RDBMS
7 5 (2.38%) MySQL
8 4 (1.90%) Big Data
8 4 (1.90%) Oracle Database
9 3 (1.43%) Data Mart
10 2 (0.95%) Apache Hive
10 2 (0.95%) Hadoop
11 1 (0.48%) GIS
Development Applications
1 64 (30.48%) Git (software)
1 64 (30.48%) webpack
2 36 (17.14%) Jenkins
3 33 (15.71%) Mocha
4 31 (14.76%) Jasmine
5 26 (12.38%) Cypress.io
6 23 (10.95%) Karma Test Runner
7 18 (8.57%) Storybook
8 16 (7.62%) Selenium
9 15 (7.14%) gulp
9 15 (7.14%) JIRA
10 13 (6.19%) Grunt
10 13 (6.19%) TeamCity
11 8 (3.81%) PhantomJS
12 7 (3.33%) Cucumber
12 7 (3.33%) NUnit
13 6 (2.86%) Babel
13 6 (2.86%) CircleCI
13 6 (2.86%) Sinon.JS
14 5 (2.38%) GitLab
General
1 53 (25.24%) Social Skills
2 34 (16.19%) Finance
3 31 (14.76%) Analytical Skills
4 27 (12.86%) Banking
5 24 (11.43%) Front Office
6 20 (9.52%) Investment Banking
7 8 (3.81%) Publishing
8 7 (3.33%) Retail
9 6 (2.86%) Presentation Skills
10 5 (2.38%) Marketing
11 4 (1.90%) Documentation Skills
12 3 (1.43%) Advertising
13 2 (0.95%) Games
13 2 (0.95%) Law
13 2 (0.95%) Public Sector
14 1 (0.48%) Automotive
14 1 (0.48%) Financial Institution
14 1 (0.48%) Music Industry
14 1 (0.48%) Telecoms
Job Titles
1 181 (86.19%) Developer
2 62 (29.52%) Front End Developer (Client-Side Developer)
3 54 (25.71%) React Developer
4 39 (18.57%) Angular Developer
4 39 (18.57%) JavaScript Developer
5 31 (14.76%) Senior Developer
6 19 (9.05%) UI Developer
7 18 (8.57%) HTML Developer
8 17 (8.10%) Full Stack Developer
9 16 (7.62%) Front Office Developer
10 12 (5.71%) Java Developer
11 9 (4.29%) Node.js Developer
11 9 (4.29%) Senior React Developer
12 6 (2.86%) Backend Developer
12 6 (2.86%) JavaScript Engineer
12 6 (2.86%) Lead Developer
12 6 (2.86%) Senior Front-End Developer
12 6 (2.86%) Web Developer
13 5 (2.38%) Agile Java Developer
13 5 (2.38%) Software Engineer
Libraries, Frameworks & Software Standards
1 169 (80.48%) CSS
2 159 (75.71%) React
3 149 (70.95%) HTML
4 107 (50.95%) Node.js
5 81 (38.57%) AngularJS
6 66 (31.43%) Jest
7 63 (30.00%) RESTful
8 57 (27.14%) CSS3
8 57 (27.14%) Sass
9 56 (26.67%) HTML5
10 43 (20.48%) Redux
11 42 (20.00%) REST
12 33 (15.71%) Vue.js
13 30 (14.29%) JSON
14 29 (13.81%) .NET
15 28 (13.33%) DOM
16 27 (12.86%) OpenFin
17 26 (12.38%) Web Services
18 25 (11.90%) Swagger
19 22 (10.48%) Express
Miscellaneous
1 55 (26.19%) User Experience
2 20 (9.52%) Data Structures
3 18 (8.57%) Equities
4 15 (7.14%) Data Protection Act
5 13 (6.19%) Algorithms
5 13 (6.19%) Greenfield Project
6 4 (1.90%) Fixed Income
6 4 (1.90%) Mobile App
7 3 (1.43%) Analytical Mindset
7 3 (1.43%) Animation
7 3 (1.43%) Derivative
7 3 (1.43%) Foreign Exchange (FX)
7 3 (1.43%) iPad
7 3 (1.43%) W3C
8 2 (0.95%) Blog
8 2 (0.95%) Cloud Native
8 2 (0.95%) Vector Graphics
9 1 (0.48%) Contract for Difference
9 1 (0.48%) Linux Command Line
9 1 (0.48%) Public Cloud
Operating Systems
1 13 (6.19%) Linux
2 10 (4.76%) Unix
3 8 (3.81%) Windows
4 3 (1.43%) Red Hat Enterprise Linux
4 3 (1.43%) Windows Server
5 2 (0.95%) Android
5 2 (0.95%) Apple iOS
Processes & Methodologies
1 117 (55.71%) Agile Software Development
2 86 (40.95%) Front End Development
3 48 (22.86%) Full Stack Development
4 45 (21.43%) Responsive Web Design
4 45 (21.43%) Web Development
5 37 (17.62%) TDD
6 35 (16.67%) Microservices
7 32 (15.24%) Problem-Solving
8 31 (14.76%) Test Automation
9 30 (14.29%) Continuous Improvement
10 28 (13.33%) Unit Testing
11 27 (12.86%) Mobile First
12 25 (11.90%) OO
12 25 (11.90%) Software Engineering
13 24 (11.43%) Pair Programming
14 22 (10.48%) DevOps
15 20 (9.52%) Mentoring
15 20 (9.52%) Scrum
16 16 (7.62%) Continuous Delivery
16 16 (7.62%) User Stories
Programming Languages
1 199 (94.76%) JavaScript
2 110 (52.38%) TypeScript
3 52 (24.76%) Java
4 33 (15.71%) C#
5 27 (12.86%) Python
6 26 (12.38%) SQL
7 8 (3.81%) Java 8
8 3 (1.43%) Bash Shell
8 3 (1.43%) ES7
8 3 (1.43%) PowerShell
9 2 (0.95%) Apple Swift
9 2 (0.95%) ES8
9 2 (0.95%) Kotlin
9 2 (0.95%) Objective-C
9 2 (0.95%) PHP
10 1 (0.48%) Java 11
10 1 (0.48%) JSX
10 1 (0.48%) Ruby
Qualifications
1 14 (6.67%) Degree
2 5 (2.38%) Computer Science Degree
3 2 (0.95%) ISTQB
3 2 (0.95%) ISTQB Foundation Certification
3 2 (0.95%) SC Cleared
3 2 (0.95%) Security Cleared
Quality Assurance & Compliance
1 19 (9.05%) Accessibility
2 2 (0.95%) QA
2 2 (0.95%) WCAG
System Software
1 38 (18.10%) Docker
2 3 (1.43%) Active Directory
Systems Management
1 14 (6.67%) Kubernetes
2 10 (4.76%) Ansible
3 8 (3.81%) Opscode Chef
4 7 (3.33%) Terraform
5 2 (0.95%) Consul
6 1 (0.48%) IBM Cloud Orchestrator
Vendors
1 12 (5.71%) Oracle
2 10 (4.76%) Microsoft
3 5 (2.38%) Adobe
4 4 (1.90%) Murex
5 3 (1.43%) Sitecore
6 2 (0.95%) Elastic Path
6 2 (0.95%) Google
6 2 (0.95%) MuleSoft
6 2 (0.95%) Xamarin
7 1 (0.48%) CA
7 1 (0.48%) CA Agile Central
7 1 (0.48%) IBM
7 1 (0.48%) New Relic
7 1 (0.48%) Salesforce Marketing Cloud
7 1 (0.48%) Salesforce.com
7 1 (0.48%) Splunk
7 1 (0.48%) TIBCO