Period
to 26 September 2021

The following table provides summary statistics for contract job vacancies 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 26 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)
UK
6 months to
26 Sep 2021
Same period 2020 Same period 2019
Rank 440 346 280
Rank change year-on-year -94 -66 -26
Contract jobs citing ES6 410 166 854
As % of all contract jobs advertised in the UK 0.52% 0.56% 0.97%
As % of the Programming Languages category 1.29% 1.33% 2.30%
Number of daily rates quoted 294 129 666
10th Percentile £361 £311 £362
25th Percentile £400 £400 £419
Median daily rate (50th Percentile) £500 £450 £500
Median % change year-on-year +11.11% -10.00% -
75th Percentile £588 £531 £575
90th Percentile £675 £578 £700
UK excluding London median daily rate £440 £438 £438
% change year-on-year +0.57% - +2.94%

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 with a requirement for coding skills.

All Programming Languages
UK
Contract vacancies with a requirement for coding skills 31,671 12,473 37,145
As % of all contract IT jobs advertised in the UK 39.81% 42.34% 42.22%
Number of daily rates quoted 22,631 8,727 25,994
10th Percentile £356 £313 £320
25th Percentile £425 £400 £400
Median daily rate (50th Percentile) £525 £488 £475
Median % change year-on-year +7.69% +2.63% -
75th Percentile £625 £588 £575
90th Percentile £700 £688 £650
UK excluding London median daily rate £450 £431 £425
% change year-on-year +4.41% +1.41% +2.41%
Number of hourly rates quoted 457 248 638
10th Percentile £16.44 £12.93 £19.05
25th Percentile £25.25 £20.59 £34.25
Median hourly rate £45.00 £39.00 £45.00
Median % change year-on-year +15.38% -13.33% +8.36%
75th Percentile £58.71 £47.50 £51.00
90th Percentile £67.05 £55.00 £55.00
UK excluding London median hourly rate £45.00 £42.00 £44.00
% change year-on-year +7.14% -4.55% +4.76%

ES6
Job Vacancy Trend

Job postings citing ES6 as a proportion of all IT jobs advertised.

Job vacancy trend for ES6 in the UK

ES6
Contractor Daily Rate Trend

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

Daily rate trend for ES6 in the UK

ES6
Daily Rate Histogram

Daily rate distribution for jobs citing ES6 over the 6 months to 26 September 2021.

Daily rate histogram for ES6 in the UK

ES6
Contractor Hourly Rate Trend

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

Hourly rate trend for ES6 in the UK

ES6
Top 17 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing ES6 within the UK over the 6 months to 26 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
England -54 337 £510 +7.37% 159
London -68 199 £525 +5.00% 78
UK excluding London -93 141 £440 +0.57% 94
Work from Home -170 125 £475 +5.56% 41
North of England -68 30 £475 -5.00% 39
South East -69 28 £563 +24.27% 15
South West - 27 £400 - 7
Scotland -69 23 £469 +17.19% 12
Midlands -53 22 £375 -21.05% 13
Yorkshire -41 16 £550 +2.33% 11
East Midlands - 14 £375 - 2
North West -57 12 £400 -17.53% 25
East of England -47 10 £463 +32.14% 5
West Midlands -64 6 £300 -36.84% 11
North East - 2 £470 - 3
Northern Ireland -27 1 £450 +12.50%
Wales - 1 £425 - 3

For the 6 months to 26 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 with a requirement for ES6.

1 377 (91.95%) JavaScript
2 316 (77.07%) React
3 286 (69.76%) CSS
4 257 (62.68%) HTML
5 214 (52.20%) Node.js
6 171 (41.71%) Agile Software Development
7 167 (40.73%) TypeScript
8 150 (36.59%) Front End Development
9 134 (32.68%) Git (software)
10 125 (30.49%) Jest
11 123 (30.00%) Redux
12 112 (27.32%) HTML5
13 110 (26.83%) Sass
14 102 (24.88%) CSS3
15 98 (23.90%) AngularJS
16 97 (23.66%) webpack
17 90 (21.95%) RESTful
18 84 (20.49%) npm
19 81 (19.76%) Java
20 79 (19.27%) TDD
20 79 (19.27%) Full Stack Development
21 77 (18.78%) User Experience
22 75 (18.29%) Social Skills
23 69 (16.83%) Test Automation
24 68 (16.59%) Docker
25 66 (16.10%) DevOps
26 63 (15.37%) Continuous Integration
27 62 (15.12%) E-Commerce
28 60 (14.63%) Unit Testing
28 60 (14.63%) AWS

ES6
Co-occurring IT Skills 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 21 (5.12%) CMS
2 17 (4.15%) Confluence
3 11 (2.68%) Elasticsearch
3 11 (2.68%) WordPress
4 10 (2.44%) Adobe Experience Manager
5 9 (2.20%) Tomcat
6 7 (1.71%) Apache
6 7 (1.71%) IBM Domino
7 6 (1.46%) Headless CMS
7 6 (1.46%) SharePoint
8 5 (1.22%) Drupal
9 4 (0.98%) nginx
10 3 (0.73%) Apache Spark
10 3 (0.73%) IIS
10 3 (0.73%) Oracle SOA Suite
11 2 (0.49%) JBoss
11 2 (0.49%) Umbraco
12 1 (0.24%) SAS
12 1 (0.24%) Sitecore CMS
Applications
1 10 (2.44%) Photoshop
2 8 (1.95%) Adobe Creative Suite
2 8 (1.95%) InVision
2 8 (1.95%) Sketch
3 6 (1.46%) Figma
4 4 (0.98%) Zeplin
Business Applications
1 25 (6.10%) Magento
2 14 (3.41%) Payment Gateway
3 8 (1.95%) Shopify
4 1 (0.24%) Adobe Campaign
4 1 (0.24%) BusinessWorks
Cloud Services
1 84 (20.49%) npm
2 60 (14.63%) AWS
3 51 (12.44%) Azure
4 35 (8.54%) GitHub
4 35 (8.54%) Serverless
5 20 (4.88%) AWS Lambda
5 20 (4.88%) Yarn
6 12 (2.93%) GCP
7 8 (1.95%) Heroku
8 7 (1.71%) Amazon EC2
8 7 (1.71%) Azure Pipelines
8 7 (1.71%) BrowserStack
8 7 (1.71%) Datadog
8 7 (1.71%) GitHub Actions
8 7 (1.71%) PaaS
9 6 (1.46%) Codefresh
9 6 (1.46%) Google Analytics
10 5 (1.22%) Amazon S3
11 4 (0.98%) SaaS
12 3 (0.73%) Amazon SQS
Communications & Networking
1 22 (5.37%) Internet
2 10 (2.44%) HTTP
3 1 (0.24%) DMARC
3 1 (0.24%) DNS
3 1 (0.24%) SMS
3 1 (0.24%) SMTP
Database & Business Intelligence
1 27 (6.59%) PostgreSQL
2 24 (5.85%) MongoDB
3 21 (5.12%) NoSQL
4 20 (4.88%) SQL Server
5 16 (3.90%) Relational Database
6 12 (2.93%) Redis
7 11 (2.68%) Amazon DynamoDB
8 10 (2.44%) Big Data
9 9 (2.20%) MySQL
10 8 (1.95%) Oracle Database
10 8 (1.95%) RDBMS
11 3 (0.73%) Data Mart
11 3 (0.73%) MariaDB
12 2 (0.49%) Amazon RDS
12 2 (0.49%) Apache Hive
12 2 (0.49%) GIS
12 2 (0.49%) Hadoop
13 1 (0.24%) CockroachDB
13 1 (0.24%) Flink
13 1 (0.24%) HBase
Development Applications
1 134 (32.68%) Git (software)
2 97 (23.66%) webpack
3 55 (13.41%) Jenkins
4 54 (13.17%) Mocha
5 46 (11.22%) Cypress.io
6 45 (10.98%) JIRA
7 35 (8.54%) gulp
8 34 (8.29%) Jasmine
9 26 (6.34%) Grunt
9 26 (6.34%) Storybook
10 24 (5.85%) Cucumber
11 21 (5.12%) Selenium
12 20 (4.88%) Babel
12 20 (4.88%) Maven
13 19 (4.63%) CircleCI
14 18 (4.39%) JUnit
15 15 (3.66%) TeamCity
16 14 (3.41%) Karma Test Runner
17 13 (3.17%) GitLab
18 12 (2.93%) ESLint
General
1 75 (18.29%) Social Skills
2 48 (11.71%) Finance
3 30 (7.32%) Analytical Skills
4 27 (6.59%) Retail
5 21 (5.12%) Banking
6 18 (4.39%) Marketing
7 16 (3.90%) Front Office
8 12 (2.93%) Publishing
9 11 (2.68%) Public Sector
10 9 (2.20%) Games
10 9 (2.20%) Investment Banking
11 8 (1.95%) Organisational Skills
11 8 (1.95%) Presentation Skills
12 6 (1.46%) Documentation Skills
13 5 (1.22%) Advertising
14 1 (0.24%) Billing
14 1 (0.24%) Law
14 1 (0.24%) Legal
14 1 (0.24%) Multimedia
14 1 (0.24%) Telecoms
Job Titles
1 338 (82.44%) Developer
2 120 (29.27%) Front End Developer (Client-Side Developer)
3 119 (29.02%) React Developer
4 73 (17.80%) Senior Developer
5 69 (16.83%) JavaScript Developer
6 44 (10.73%) Full Stack Developer
7 35 (8.54%) Angular Developer
8 33 (8.05%) UI Developer
9 28 (6.83%) Senior Front-End Developer
10 26 (6.34%) Senior React Developer
11 22 (5.37%) Java Developer
11 22 (5.37%) Node.js Developer
12 17 (4.15%) HTML Developer
12 17 (4.15%) Lead Developer
13 13 (3.17%) DevOps Engineer
14 12 (2.93%) JavaScript Engineer
14 12 (2.93%) Senior JavaScript Developer
15 11 (2.68%) Software Engineer
15 11 (2.68%) Web Developer
16 10 (2.44%) Backend Developer
Libraries, Frameworks & Software Standards
1 316 (77.07%) React
2 286 (69.76%) CSS
3 257 (62.68%) HTML
4 214 (52.20%) Node.js
5 125 (30.49%) Jest
6 123 (30.00%) Redux
7 112 (27.32%) HTML5
8 110 (26.83%) Sass
9 102 (24.88%) CSS3
10 98 (23.90%) AngularJS
11 90 (21.95%) RESTful
12 52 (12.68%) REST
13 50 (12.20%) GraphQL
14 46 (11.22%) Vue.js
15 38 (9.27%) JSON
16 37 (9.02%) Express
17 36 (8.78%) Web Services
18 35 (8.54%) Enzyme
19 34 (8.29%) Spring
20 29 (7.07%) DOM
Miscellaneous
1 77 (18.78%) User Experience
2 22 (5.37%) Data Structures
3 16 (3.90%) Greenfield Project
4 14 (3.41%) Data Protection Act
5 13 (3.17%) Algorithms
6 11 (2.68%) Mobile App
7 10 (2.44%) iPad
7 10 (2.44%) Linux Command Line
8 8 (1.95%) Virtual Team
9 7 (1.71%) Equities
10 5 (1.22%) Motion Graphics
11 4 (0.98%) Blog
11 4 (0.98%) Digital Media
11 4 (0.98%) Wiki
12 3 (0.73%) Fixed Income
12 3 (0.73%) Vector Graphics
12 3 (0.73%) W3C
13 2 (0.49%) Foreign Exchange (FX)
13 2 (0.49%) Self-Motivation
13 2 (0.49%) Taxonomies
Operating Systems
1 17 (4.15%) Linux
2 10 (2.44%) Unix
3 9 (2.20%) Windows
4 8 (1.95%) Android
5 7 (1.71%) Apple iOS
6 3 (0.73%) Red Hat Enterprise Linux
6 3 (0.73%) Windows Server
7 1 (0.24%) DC/OS
7 1 (0.24%) Mesosphere
Processes & Methodologies
1 171 (41.71%) Agile Software Development
2 150 (36.59%) Front End Development
3 79 (19.27%) Full Stack Development
3 79 (19.27%) TDD
4 69 (16.83%) Test Automation
5 66 (16.10%) DevOps
6 63 (15.37%) Continuous Integration
7 62 (15.12%) E-Commerce
8 60 (14.63%) Unit Testing
9 50 (12.20%) Microservices
10 47 (11.46%) Problem-Solving
11 41 (10.00%) OO
12 40 (9.76%) Scrum
13 38 (9.27%) Web Development
14 36 (8.78%) Pair Programming
15 35 (8.54%) Responsive Web Design
15 35 (8.54%) Software Engineering
16 34 (8.29%) Wireframes
17 33 (8.05%) Mentoring
18 29 (7.07%) Continuous Improvement
Programming Languages
1 377 (91.95%) JavaScript
2 167 (40.73%) TypeScript
3 81 (19.76%) Java
4 53 (12.93%) SQL
5 37 (9.02%) PHP
6 35 (8.54%) C#
7 34 (8.29%) Python
8 33 (8.05%) ES7
9 18 (4.39%) Ruby
10 11 (2.68%) Bash Shell
10 11 (2.68%) Java 8
11 7 (1.71%) Shell Script
12 3 (0.73%) Apple Swift
12 3 (0.73%) Kotlin
12 3 (0.73%) PL/SQL
12 3 (0.73%) PowerShell
13 2 (0.49%) ES8
13 2 (0.49%) JSX
13 2 (0.49%) Objective-C
14 1 (0.24%) PHP 7
Qualifications
1 23 (5.61%) Degree
2 11 (2.68%) Computer Science Degree
3 8 (1.95%) Security Cleared
4 5 (1.22%) SC Cleared
5 2 (0.49%) ISTQB
5 2 (0.49%) ISTQB Foundation Certification
6 1 (0.24%) Master's Degree
Quality Assurance & Compliance
1 59 (14.39%) Accessibility
2 10 (2.44%) QA
3 3 (0.73%) WCAG
4 1 (0.24%) Data Quality
4 1 (0.24%) GDPR
System Software
1 68 (16.59%) Docker
2 3 (0.73%) Active Directory
Systems Management
1 34 (8.29%) Kubernetes
2 20 (4.88%) Ansible
3 7 (1.71%) Grafana
3 7 (1.71%) Graylog
3 7 (1.71%) Nagios
3 7 (1.71%) Terraform
4 5 (1.22%) Opscode Chef
5 3 (0.73%) Consul
6 1 (0.24%) Hadoop YARN
6 1 (0.24%) Mesos
6 1 (0.24%) Packer
Vendors
1 23 (5.61%) Adobe
2 21 (5.12%) Oracle
3 14 (3.41%) Microsoft
4 12 (2.93%) Google
4 12 (2.93%) hybris
5 7 (1.71%) Atlassian
5 7 (1.71%) SolarWinds
5 7 (1.71%) Xerox
6 5 (1.22%) WorldPay
7 4 (0.98%) Murex
7 4 (0.98%) Teradata
8 3 (0.73%) MuleSoft
9 2 (0.49%) SAP
9 2 (0.49%) Sitecore
9 2 (0.49%) Xamarin
10 1 (0.24%) Coveo
10 1 (0.24%) Okta
10 1 (0.24%) Salesforce.com
10 1 (0.24%) Splunk
10 1 (0.24%) TIBCO