Period
to 30 October 2020

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 30 October 2020 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
30 Oct 2020
Same period 2019 Same period 2018
Rank 369 282 256
Rank change year-on-year -87 -26 +56
Contract jobs citing ES6 170 777 1,092
As % of all contract jobs advertised in the UK 0.52% 0.92% 1.05%
As % of the Programming Languages category 1.23% 2.18% 2.37%
Number of daily rates quoted 163 640 860
Median daily rate £450 £513 £500
Median daily rate % change year-on-year -12.20% +2.50% +5.26%
10th Percentile £308 £363 £363
90th Percentile £585 £700 £650
UK excluding London median daily rate £450 £450 £425
% change year-on-year - +5.88% +6.12%
Number of hourly rates quoted 3 1 0
Median hourly rate £35.00 £35.00 -
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 13,815 35,603 46,124
As % of all contract IT jobs advertised in the UK 42.09% 41.95% 44.54%
Number of daily rates quoted 9,062 24,658 32,460
Median daily rate £475 £475 £475
10th Percentile £309 £321 £315
90th Percentile £675 £650 £638
UK excluding London median daily rate £425 £425 £420
% change year-on-year - +1.19% +5.00%
Number of hourly rates quoted 375 695 700
Median hourly rate £35.00 £44.00 £41.81
Median hourly rate % change year-on-year -20.45% +5.25% +4.51%
10th Percentile £13.00 £19.60 £16.25
90th Percentile £55.00 £55.00 £52.50
Median hourly rate £35.00 £43.50 £42.00
% change year-on-year -19.54% +3.57% +3.70%

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 30 October 2020.

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 12 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 30 October 2020. 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 -87 124 £464 -9.94% 135
London -104 77 £463 -13.95% 59
UK excluding London +117 76 £450 - 84
Work from Home -91 47 £450 -18.18% 30
Northern Ireland +35 28 £450 -
North of England +55 23 £500 +5.26% 20
South East +130 15 £453 +3.46% 21
Yorkshire +52 12 £538 -6.52% 6
North West +49 11 £475 +8.57% 11
East of England +88 7 £338 -41.30% 10
Scotland +61 2 £400 -5.88% 7
Wales +34 1 £363 +4.32% 1

For the 6 months to 30 October 2020, 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.

1 141 (82.94%) JavaScript
2 119 (70.00%) Node.js
3 77 (45.29%) CSS
4 73 (42.94%) HTML
5 72 (42.35%) React
6 69 (40.59%) Agile Software Development
7 61 (35.88%) Redux
8 58 (34.12%) Git (software)
9 53 (31.18%) RESTful
10 47 (27.65%) TypeScript
11 46 (27.06%) JSON
11 46 (27.06%) Java
12 43 (25.29%) AngularJS
13 42 (24.71%) HTML5
14 41 (24.12%) AWS
15 38 (22.35%) Front End Development
15 38 (22.35%) Jest
16 36 (21.18%) npm
17 33 (19.41%) Sass
18 31 (18.24%) CSS3
18 31 (18.24%) Finance
19 30 (17.65%) Kafka
19 30 (17.65%) User Experience
20 29 (17.06%) Low Latency
20 29 (17.06%) Jenkins
20 29 (17.06%) Unit Testing
20 29 (17.06%) Scrum
21 26 (15.29%) React Native
21 26 (15.29%) JIRA
21 26 (15.29%) MongoDB

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 15 (8.82%) Cloud Foundry
2 14 (8.24%) Confluence
2 14 (8.24%) Mule
3 7 (4.12%) CMS
4 6 (3.53%) Adobe Experience Manager
5 5 (2.94%) Drupal
6 2 (1.18%) Headless CMS
6 2 (1.18%) SharePoint
7 1 (0.59%) Elasticsearch
7 1 (0.59%) Magnolia
7 1 (0.59%) Umbraco
7 1 (0.59%) WebSphere
7 1 (0.59%) WordPress
Applications
1 8 (4.71%) Chatbot
2 2 (1.18%) Photoshop
3 1 (0.59%) Adobe Creative Suite
Business Applications
1 2 (1.18%) Magento
1 2 (1.18%) Shopify
2 1 (0.59%) SAP Hybris
Cloud Services
1 41 (24.12%) AWS
2 36 (21.18%) npm
3 20 (11.76%) GCP
4 17 (10.00%) Azure
5 15 (8.82%) GitHub
6 14 (8.24%) Slack
7 12 (7.06%) Serverless
8 10 (5.88%) Yarn
9 9 (5.29%) AWS Lambda
10 6 (3.53%) Amazon EC2
10 6 (3.53%) Virtual Private Cloud
11 5 (2.94%) Amazon ECS
11 5 (2.94%) Cloud Computing
12 4 (2.35%) Amazon CloudWatch
13 3 (1.76%) Amazon S3
14 2 (1.18%) AWS CloudFormation
14 2 (1.18%) AWS CodePipeline
14 2 (1.18%) Office 365
14 2 (1.18%) Power Platform
15 1 (0.59%) Amazon EKS
Communications & Networking
1 14 (8.24%) SSL
2 9 (5.29%) DNS
2 9 (5.29%) Firewall
2 9 (5.29%) Reverse Proxy
2 9 (5.29%) TCP/IP
3 4 (2.35%) HTTP
4 1 (0.59%) Internet
Database & Business Intelligence
1 26 (15.29%) MongoDB
2 19 (11.18%) NoSQL
3 17 (10.00%) SQL Server
4 12 (7.06%) Cosmos DB
5 10 (5.88%) Redis
6 6 (3.53%) MySQL
7 5 (2.94%) Amazon DynamoDB
7 5 (2.94%) Hadoop
8 4 (2.35%) Relational Database
9 3 (1.76%) Blockchain
10 2 (1.18%) Big Data
11 1 (0.59%) JasperReports
Development Applications
1 58 (34.12%) Git (software)
2 29 (17.06%) Jenkins
3 26 (15.29%) JIRA
4 20 (11.76%) webpack
5 18 (10.59%) Selenium
6 15 (8.82%) JUnit
7 14 (8.24%) Maven
7 14 (8.24%) Mockito
7 14 (8.24%) Sonatype Nexus
8 13 (7.65%) Jasmine
9 11 (6.47%) gulp
10 9 (5.29%) Grunt
10 9 (5.29%) Karma Test Runner
10 9 (5.29%) Mocha
11 7 (4.12%) Protractor
11 7 (4.12%) Visual Studio Team System
12 6 (3.53%) Babel
13 3 (1.76%) Eclipse
13 3 (1.76%) git-flow
14 2 (1.18%) Dreamweaver
General
1 31 (18.24%) Finance
2 16 (9.41%) Banking
3 8 (4.71%) Investment Banking
4 5 (2.94%) Marketing
5 3 (1.76%) Front Office
5 3 (1.76%) Public Sector
6 2 (1.18%) Games
7 1 (0.59%) Advertising
7 1 (0.59%) Electronics
7 1 (0.59%) Law
7 1 (0.59%) Legal
7 1 (0.59%) Manufacturing
7 1 (0.59%) Music Industry
7 1 (0.59%) Publishing
7 1 (0.59%) Retail
7 1 (0.59%) Retail Banking
7 1 (0.59%) Telecoms
Job Titles
1 127 (74.71%) Developer
2 35 (20.59%) React Developer
3 30 (17.65%) JavaScript Developer
4 27 (15.88%) Node.js Developer
5 24 (14.12%) Front End Developer (Client-Side Developer)
6 21 (12.35%) Angular Developer
6 21 (12.35%) Full Stack Developer
7 10 (5.88%) UI Developer
8 7 (4.12%) C# Developer
8 7 (4.12%) Senior Developer
9 6 (3.53%) C# Developer - Investment Banking
10 5 (2.94%) AWS Developer
10 5 (2.94%) Web Developer
11 4 (2.35%) DevOps Engineer
11 4 (2.35%) Project Manager
12 3 (1.76%) Applications Developer
12 3 (1.76%) Backend Developer
12 3 (1.76%) Electronic Trading Developer
12 3 (1.76%) Java Developer
12 3 (1.76%) Software Developer
Libraries, Frameworks & Software Standards
1 119 (70.00%) Node.js
2 77 (45.29%) CSS
3 73 (42.94%) HTML
4 72 (42.35%) React
5 61 (35.88%) Redux
6 53 (31.18%) RESTful
7 46 (27.06%) JSON
8 43 (25.29%) AngularJS
9 42 (24.71%) HTML5
10 38 (22.35%) Jest
11 33 (19.41%) Sass
12 31 (18.24%) CSS3
13 30 (17.65%) Kafka
14 26 (15.29%) React Native
15 24 (14.12%) REST
16 22 (12.94%) Web Services
17 21 (12.35%) Enzyme
18 18 (10.59%) Express
19 16 (9.41%) RxJS
19 16 (9.41%) Spring
Miscellaneous
1 30 (17.65%) User Experience
2 15 (8.82%) Mobile App
3 9 (5.29%) Analytical Skills
3 9 (5.29%) Derivative
4 7 (4.12%) Foreign Exchange (FX)
4 7 (4.12%) Greenfield Project
5 6 (3.53%) Equities
5 6 (3.53%) Fixed Income
5 6 (3.53%) Robotics
6 3 (1.76%) Market Risk
7 2 (1.18%) Algorithms
7 2 (1.18%) Blog
7 2 (1.18%) Data Structures
7 2 (1.18%) Hedge funds
7 2 (1.18%) iPad
7 2 (1.18%) Linux Command Line
7 2 (1.18%) Management Information System
7 2 (1.18%) Self-Motivation
8 1 (0.59%) Enterprise Software
8 1 (0.59%) Public Cloud
Operating Systems
1 16 (9.41%) Android
1 16 (9.41%) Apple iOS
2 4 (2.35%) Linux
2 4 (2.35%) Unix
2 4 (2.35%) Windows
3 1 (0.59%) Mac OS X
3 1 (0.59%) Solaris
Processes & Methodologies
1 69 (40.59%) Agile Software Development
2 38 (22.35%) Front End Development
3 29 (17.06%) Low Latency
3 29 (17.06%) Scrum
3 29 (17.06%) Unit Testing
4 25 (14.71%) TDD
5 24 (14.12%) DevOps
5 24 (14.12%) Pair Programming
6 23 (13.53%) Test Automation
7 20 (11.76%) Computer Science
8 19 (11.18%) Problem-Solving
8 19 (11.18%) Software Engineering
9 17 (10.00%) Continuous Integration
9 17 (10.00%) Kanban
9 17 (10.00%) Open Source
9 17 (10.00%) Performance Testing
10 16 (9.41%) Microservices
10 16 (9.41%) OO
11 14 (8.24%) SDLC
11 14 (8.24%) Web Development
Programming Languages
1 141 (82.94%) JavaScript
2 47 (27.65%) TypeScript
3 46 (27.06%) Java
4 21 (12.35%) SQL
5 17 (10.00%) Python
6 14 (8.24%) C#
7 13 (7.65%) ES7
8 7 (4.12%) PHP
9 5 (2.94%) Kotlin
9 5 (2.94%) Scala
10 4 (2.35%) Objective-C
10 4 (2.35%) Ruby
11 3 (1.76%) Apple Swift
12 2 (1.18%) Bash Shell
12 2 (1.18%) C++
12 2 (1.18%) Go
12 2 (1.18%) Java 8
Qualifications
1 18 (10.59%) Degree
2 10 (5.88%) Computer Science Degree
3 7 (4.12%) Master's Degree
3 7 (4.12%) Security Cleared
4 5 (2.94%) SC Cleared
5 3 (1.76%) ISTQB
5 3 (1.76%) ISTQB Foundation Certification
5 3 (1.76%) Numerate Degree
Quality Assurance & Compliance
1 10 (5.88%) QA
2 3 (1.76%) WCAG
System Software
1 20 (11.76%) Docker
2 2 (1.18%) Apache ZooKeeper
2 2 (1.18%) etcd
2 2 (1.18%) Varnish
Systems Management
1 12 (7.06%) Kubernetes
2 4 (2.35%) Ansible
2 4 (2.35%) Terraform
3 3 (1.76%) Consul
4 1 (0.59%) Opscode Chef
4 1 (0.59%) Packer
Vendors
1 14 (8.24%) AppDynamics
1 14 (8.24%) Blue Coat
1 14 (8.24%) F5
1 14 (8.24%) Splunk
2 7 (4.12%) Adobe
2 7 (4.12%) Oracle
3 5 (2.94%) Google
4 4 (2.35%) hybris
5 3 (1.76%) SAP
5 3 (1.76%) Xamarin
6 2 (1.18%) Microsoft
6 2 (1.18%) OutSystems
7 1 (0.59%) IBM
7 1 (0.59%) Salesforce.com