Period
to 16 May 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 16 May 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
16 May 2021
Same period 2020 Same period 2019
Rank 363 346 245
Rank change year-on-year -17 -101 +35
Contract jobs citing ES6 331 324 1,047
As % of all contract jobs advertised in the UK 0.58% 0.65% 1.15%
As % of the Programming Languages category 1.44% 1.59% 2.68%
Number of daily rates quoted 218 232 818
10th Percentile £338 £342 £360
25th Percentile £400 £400 £425
Median daily rate (50th Percentile) £463 £480 £500
Median % change year-on-year -3.65% -4.00% -
75th Percentile £575 £575 £575
90th Percentile £645 £669 £675
UK excluding London median daily rate £425 £400 £450
% change year-on-year +6.25% -11.11% -
Number of hourly rates quoted 3 0 0
Median hourly rate £37.50 - -
UK excluding 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 with a requirement for coding skills.

All Programming Languages
UK
Contract vacancies with a requirement for coding skills 23,023 20,343 39,113
As % of all contract IT jobs advertised in the UK 40.53% 40.76% 42.89%
Number of daily rates quoted 16,188 14,365 27,539
10th Percentile £325 £325 £325
25th Percentile £406 £400 £400
Median daily rate (50th Percentile) £500 £488 £475
Median % change year-on-year +2.56% +2.63% +2.70%
75th Percentile £594 £575 £575
90th Percentile £688 £660 £650
UK excluding London median daily rate £425 £450 £425
% change year-on-year -5.56% +5.88% +4.94%
Number of hourly rates quoted 451 363 631
10th Percentile £17.00 £17.25 £17.50
25th Percentile £25.00 £21.54 £26.25
Median hourly rate £41.30 £42.50 £43.00
Median % change year-on-year -2.82% -1.16% +7.50%
75th Percentile £51.63 £50.00 £50.00
90th Percentile £62.25 £57.50 £53.75
UK excluding London median hourly rate £40.00 £42.50 £44.00
% change year-on-year -5.88% -3.41% +10.00%

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 16 May 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 16 May 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 -1 291 £468 -6.50% 205
London -23 202 £500 -7.41% 90
Work from Home -174 91 £450 +5.88% 43
UK excluding London +12 87 £425 +6.25% 123
South West +44 20 £400 -4.48% 20
North of England +4 19 £425 - 46
South East +34 18 £450 +18.03% 18
Scotland -17 12 £506 +15.71% 6
Midlands -5 11 £390 -8.24% 23
Yorkshire +30 9 £475 +18.75% 10
North West -7 9 £388 -10.14% 24
West Midlands -8 6 £370 -4.52% 16
East of England +29 5 £350 +4.48% 8
East Midlands +16 5 £463 +7.56% 7
North East +19 1 £325 -40.91% 12
Northern Ireland -1 1 £450 +12.50%
Wales - 1 £400 - 2

For the 6 months to 16 May 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.

1 305 (92.15%) JavaScript
2 206 (62.24%) CSS
3 195 (58.91%) Node.js
4 190 (57.40%) React
5 186 (56.19%) HTML
6 158 (47.73%) Agile Software Development
7 129 (38.97%) Redux
8 125 (37.76%) TypeScript
9 121 (36.56%) Git (software)
10 101 (30.51%) HTML5
11 100 (30.21%) Jest
12 99 (29.91%) Front End Development
13 84 (25.38%) webpack
14 83 (25.08%) Sass
15 82 (24.77%) User Experience
16 77 (23.26%) REST
16 77 (23.26%) TDD
17 72 (21.75%) AngularJS
18 71 (21.45%) CSS3
18 71 (21.45%) GraphQL
18 71 (21.45%) Test Automation
19 70 (21.15%) AWS
20 66 (19.94%) Java
21 65 (19.64%) Azure
22 60 (18.13%) Unit Testing
23 59 (17.82%) SQL
24 58 (17.52%) Social Skills
25 55 (16.62%) Continuous Integration
26 53 (16.01%) Software Engineering
26 53 (16.01%) Express

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 (6.34%) Elasticsearch
2 15 (4.53%) CMS
3 13 (3.93%) Camunda
4 12 (3.63%) Adobe Experience Manager
5 11 (3.32%) Confluence
6 5 (1.51%) WordPress
7 4 (1.21%) Apache
7 4 (1.21%) IBM Domino
8 3 (0.91%) Drupal
8 3 (0.91%) IIS
8 3 (0.91%) Oracle SOA Suite
9 2 (0.60%) Headless CMS
9 2 (0.60%) nginx
9 2 (0.60%) SharePoint
10 1 (0.30%) EPiServer
10 1 (0.30%) GeoServer
10 1 (0.30%) Sitecore CMS
10 1 (0.30%) Tomcat
10 1 (0.30%) Umbraco
Applications
1 9 (2.72%) Photoshop
2 5 (1.51%) Figma
3 3 (0.91%) Adobe Creative Suite
3 3 (0.91%) InVision
3 3 (0.91%) Sketch
Business Applications
1 13 (3.93%) Magento
2 8 (2.42%) Shopify
3 7 (2.11%) Payment Gateway
4 5 (1.51%) Adobe Campaign
Cloud Services
1 70 (21.15%) AWS
2 65 (19.64%) Azure
3 41 (12.39%) npm
3 41 (12.39%) Serverless
4 25 (7.55%) GitHub
5 19 (5.74%) AWS Lambda
5 19 (5.74%) GCP
6 15 (4.53%) Heroku
7 12 (3.63%) Azure Functions
8 9 (2.72%) Azure Logic Apps
8 9 (2.72%) Azure Storage
9 6 (1.81%) Azure Active Directory
9 6 (1.81%) Datadog
9 6 (1.81%) Yarn
10 3 (0.91%) Apigee
10 3 (0.91%) Cloud Computing
10 3 (0.91%) Trello
11 2 (0.60%) Amazon EC2
11 2 (0.60%) Amazon ECS
11 2 (0.60%) Azure Service Bus
Communications & Networking
1 9 (2.72%) Internet
2 6 (1.81%) DNS
3 5 (1.51%) DMARC
3 5 (1.51%) SMS
3 5 (1.51%) SMTP
4 4 (1.21%) HTTP
5 1 (0.30%) WebEx
Database & Business Intelligence
1 48 (14.50%) PostgreSQL
2 33 (9.97%) NoSQL
3 23 (6.95%) MongoDB
3 23 (6.95%) MySQL
4 18 (5.44%) SQL Server
5 11 (3.32%) Redis
6 6 (1.81%) Amazon DynamoDB
6 6 (1.81%) Relational Database
7 5 (1.51%) CockroachDB
8 3 (0.91%) Amazon RDS
8 3 (0.91%) MariaDB
8 3 (0.91%) SQL Server 2016
9 2 (0.60%) Jackrabbit
9 2 (0.60%) RDBMS
10 1 (0.30%) Apache Cassandra
10 1 (0.30%) Azure SQL Database
10 1 (0.30%) Couchbase
10 1 (0.30%) GIS
Development Applications
1 121 (36.56%) Git (software)
2 84 (25.38%) webpack
3 43 (12.99%) Jenkins
4 37 (11.18%) Jasmine
5 35 (10.57%) Cypress.io
6 34 (10.27%) Mocha
7 26 (7.85%) JIRA
8 24 (7.25%) Cucumber
9 17 (5.14%) Grunt
10 16 (4.83%) gulp
11 15 (4.53%) CircleCI
11 15 (4.53%) GitLab
12 13 (3.93%) Babel
12 13 (3.93%) Karma Test Runner
13 12 (3.63%) Selenium
13 12 (3.63%) Storybook
14 10 (3.02%) TeamCity
15 9 (2.72%) Mockito
15 9 (2.72%) Protractor
16 8 (2.42%) JUnit
General
1 58 (17.52%) Social Skills
2 27 (8.16%) Analytical Skills
3 21 (6.34%) Finance
4 17 (5.14%) Retail
5 16 (4.83%) Banking
6 14 (4.23%) Public Sector
7 12 (3.63%) Marketing
7 12 (3.63%) Publishing
8 8 (2.42%) Games
9 6 (1.81%) Front Office
9 6 (1.81%) Organisational Skills
10 3 (0.91%) Advertising
11 2 (0.60%) Investment Banking
11 2 (0.60%) Law
11 2 (0.60%) Manufacturing
12 1 (0.30%) Billing
12 1 (0.30%) Electronics
12 1 (0.30%) Multimedia
12 1 (0.30%) Presentation Skills
12 1 (0.30%) Telecoms
Job Titles
1 272 (82.18%) Developer
2 105 (31.72%) React Developer
3 77 (23.26%) Front End Developer (Client-Side Developer)
4 58 (17.52%) JavaScript Developer
5 55 (16.62%) Senior Developer
6 44 (13.29%) Full Stack Developer
7 39 (11.78%) Node.js Developer
8 22 (6.65%) UI Developer
9 21 (6.34%) Java Developer
10 18 (5.44%) Angular Developer
10 18 (5.44%) Senior Front-End Developer
10 18 (5.44%) Senior React Developer
11 14 (4.23%) Software Developer
12 13 (3.93%) AWS Developer
12 13 (3.93%) Lead Developer
12 13 (3.93%) Senior JavaScript Developer
13 11 (3.32%) Digital Developer
14 8 (2.42%) Software Engineer
15 7 (2.11%) Senior Full Stack Developer
15 7 (2.11%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 206 (62.24%) CSS
2 195 (58.91%) Node.js
3 190 (57.40%) React
4 186 (56.19%) HTML
5 129 (38.97%) Redux
6 101 (30.51%) HTML5
7 100 (30.21%) Jest
8 83 (25.08%) Sass
9 77 (23.26%) REST
10 72 (21.75%) AngularJS
11 71 (21.45%) CSS3
11 71 (21.45%) GraphQL
12 53 (16.01%) Express
13 47 (14.20%) RESTful
14 39 (11.78%) React Native
15 31 (9.37%) Spring
16 28 (8.46%) Enzyme
17 27 (8.16%) .NET
17 27 (8.16%) Vue.js
18 24 (7.25%) Spring Boot
Miscellaneous
1 82 (24.77%) User Experience
2 19 (5.74%) Mobile App
3 14 (4.23%) Algorithms
3 14 (4.23%) Data Structures
4 12 (3.63%) Cloud Native
5 8 (2.42%) Public Cloud
6 7 (2.11%) Virtual Team
7 6 (1.81%) Blog
7 6 (1.81%) Foreign Exchange (FX)
7 6 (1.81%) Greenfield Project
8 5 (1.51%) Marketing Technology
8 5 (1.51%) Motion Graphics
8 5 (1.51%) Social Media
9 4 (1.21%) Digital Media
9 4 (1.21%) Self-Motivation
10 3 (0.91%) Fixed Income
10 3 (0.91%) Linux Command Line
11 2 (0.60%) Hedge funds
12 1 (0.30%) FMCG
12 1 (0.30%) STB
Operating Systems
1 27 (8.16%) Android
2 25 (7.55%) Apple iOS
3 8 (2.42%) Linux
4 7 (2.11%) Unix
5 4 (1.21%) Mac OS
6 3 (0.91%) Windows
7 2 (0.60%) VMS
Processes & Methodologies
1 158 (47.73%) Agile Software Development
2 99 (29.91%) Front End Development
3 77 (23.26%) TDD
4 71 (21.45%) Test Automation
5 60 (18.13%) Unit Testing
6 55 (16.62%) Continuous Integration
7 53 (16.01%) Software Engineering
8 49 (14.80%) Microservices
9 47 (14.20%) DevOps
10 43 (12.99%) Problem-Solving
11 39 (11.78%) OO
12 36 (10.88%) Scrum
13 32 (9.67%) Web Development
14 31 (9.37%) API Design
14 31 (9.37%) Computer Science
14 31 (9.37%) Open Source
15 30 (9.06%) API Development
16 29 (8.76%) Asynchronous Programming
16 29 (8.76%) E-Commerce
17 25 (7.55%) Continuous Improvement
Programming Languages
1 305 (92.15%) JavaScript
2 125 (37.76%) TypeScript
3 66 (19.94%) Java
4 59 (17.82%) SQL
5 26 (7.85%) C#
6 21 (6.34%) Java 8
7 18 (5.44%) ES7
7 18 (5.44%) PHP
8 12 (3.63%) Python
8 12 (3.63%) Ruby
9 3 (0.91%) Apple Swift
9 3 (0.91%) JSX
9 3 (0.91%) Kotlin
9 3 (0.91%) PL/SQL
9 3 (0.91%) PowerShell
10 2 (0.60%) Bash Shell
10 2 (0.60%) ES8
10 2 (0.60%) Go
10 2 (0.60%) VB.NET
11 1 (0.30%) Shell Script
Qualifications
1 20 (6.04%) Security Cleared
2 18 (5.44%) SC Cleared
3 16 (4.83%) Degree
4 10 (3.02%) Computer Science Degree
5 1 (0.30%) ISTQB
5 1 (0.30%) ISTQB Foundation Certification
5 1 (0.30%) PhD
Quality Assurance & Compliance
1 16 (4.83%) QA
2 6 (1.81%) GDPR
3 5 (1.51%) Data Quality
4 3 (0.91%) WCAG
5 1 (0.30%) WAI
System Software
1 50 (15.11%) Docker
2 1 (0.30%) Active Directory
2 1 (0.30%) OpenAM
2 1 (0.30%) Virtual Machines
Systems Management
1 37 (11.18%) Kubernetes
2 12 (3.63%) Ansible
3 4 (1.21%) Terraform
4 2 (0.60%) Opscode Chef
5 1 (0.30%) Consul
5 1 (0.30%) Grafana
5 1 (0.30%) Graylog
5 1 (0.30%) Hadoop YARN
5 1 (0.30%) Mesos
5 1 (0.30%) Nagios
5 1 (0.30%) Packer
5 1 (0.30%) Puppet
Vendors
1 22 (6.65%) Adobe
2 14 (4.23%) Google
3 9 (2.72%) Oracle
4 7 (2.11%) hybris
4 7 (2.11%) WorldPay
5 6 (1.81%) Atlassian
5 6 (1.81%) Microsoft
6 5 (1.51%) Apple
7 4 (1.21%) Xerox
8 2 (0.60%) SAP
9 1 (0.30%) Monetate
9 1 (0.30%) Okta
9 1 (0.30%) Optimizely
9 1 (0.30%) Sitecore
9 1 (0.30%) SolarWinds
9 1 (0.30%) Splunk
9 1 (0.30%) Xamarin