Period
to 19 January 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 19 January 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
19 Jan 2020
Same period 2019 Same period 2018
Rank 328 256 306
Rank change year-on-year -72 +50 +213
Contract jobs citing ES6 512 1,012 841
As % of all contract IT jobs advertised in the UK 0.71% 1.02% 0.84%
As % of the Programming Languages category 1.75% 2.31% 1.99%
Number of daily rates quoted 393 786 679
UK median daily rate £525 £500 £500
Median daily rate % change year-on-year +5.00% - +5.26%
10th Percentile £363 £358 £358
90th Percentile £695 £650 £638
UK excluding London median daily rate £450 £425 £403
% change year-on-year +5.88% +5.59% +0.63%
Number of hourly rates quoted 0 1 0
UK median hourly rate - £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 29,252 43,808 42,220
As % of all contract IT jobs advertised in the UK 40.80% 44.36% 42.12%
Number of daily rates quoted 20,053 30,736 29,772
UK median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £325 £320 £308
90th Percentile £650 £650 £638
UK excluding London median daily rate £430 £425 £400
% change year-on-year +1.18% +6.25% +6.67%
Number of hourly rates quoted 590 676 755
UK median hourly rate £42.50 £42.22 £40.00
Median hourly rate % change year-on-year +0.66% +5.55% -
10th Percentile £17.24 £17.00 £16.61
90th Percentile £55.00 £52.50 £52.50
UK excluding London median hourly rate £42.50 £42.50 £40.00
% change year-on-year - +6.25% -

ES6
Job Vacancy Trend

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

Job vacancy trend for ES6 in the UK

ES6
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing ES6.

Contractor daily rate trend for ES6 in the UK

ES6
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing ES6 over the 6 months to 19 January 2020.

Contractor daily rate histogram for ES6 in the UK

ES6
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing ES6.

Contractor hourly rate trend for ES6 in the UK

ES6
Top 15 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 19 January 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 -67 490 £525 +5.00% 278
London -39 338 £540 +2.86% 144
UK excluding London +10 166 £450 +5.88% 151
North of England +70 75 £475 +22.58% 39
North West +32 40 £438 +16.67% 25
Yorkshire +44 35 £563 +33.93% 10
South East +27 31 £419 -6.94% 38
South West +17 26 £400 -8.57% 28
Scotland +11 13 £425 -10.53% 13
Midlands +32 10 £444 -2.74% 16
East of England +16 7 £588 +32.02% 13
West Midlands +29 6 £450 +5.88% 10
East Midlands +14 5 £531 +11.84% 6
Northern Ireland - 4 £375 -
Wales +25 1 £450 -10.00% 4

For the 6 months to 19 January 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.

1 460 (89.84%) JavaScript
2 315 (61.52%) CSS
3 295 (57.62%) HTML
4 281 (54.88%) React
5 245 (47.85%) Agile Software Development
6 241 (47.07%) Node.js
7 195 (38.09%) Redux
8 190 (37.11%) Front End Development
9 176 (34.38%) TDD
10 172 (33.59%) AngularJS
11 164 (32.03%) HTML5
12 143 (27.93%) Git (software)
13 132 (25.78%) Java
14 128 (25.00%) Sass
15 124 (24.22%) TypeScript
16 117 (22.85%) CSS3
17 101 (19.73%) webpack
18 95 (18.55%) RESTful
19 87 (16.99%) AWS
19 87 (16.99%) Spring
20 86 (16.80%) Test Automation
21 84 (16.41%) OO
22 83 (16.21%) Jest
23 82 (16.02%) User Experience
24 78 (15.23%) Open Source
25 77 (15.04%) Microservices
26 74 (14.45%) Vue.js
27 70 (13.67%) Docker
28 67 (13.09%) Spring Boot
28 67 (13.09%) Java 8

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 12 (2.34%) CMS
2 10 (1.95%) Cloud Foundry
2 10 (1.95%) Confluence
3 7 (1.37%) Mule
3 7 (1.37%) nginx
4 5 (0.98%) Elasticsearch
4 5 (0.98%) Sitecore CMS
4 5 (0.98%) Umbraco
4 5 (0.98%) WordPress
5 4 (0.78%) Drupal
5 4 (0.78%) WebSphere
6 3 (0.59%) Apache
6 3 (0.59%) IIS
7 2 (0.39%) Kentico
7 2 (0.39%) Magnolia
8 1 (0.20%) Adobe Experience Manager
8 1 (0.20%) Apache Solr
8 1 (0.20%) Apache Spark
8 1 (0.20%) ArcGIS
8 1 (0.20%) SugarCRM
Applications
1 12 (2.34%) Photoshop
2 8 (1.56%) Sketch
3 2 (0.39%) Adobe Illustrator
Business Applications
1 7 (1.37%) Magento
1 7 (1.37%) Shopify
Cloud Services
1 87 (16.99%) AWS
2 57 (11.13%) Azure
3 52 (10.16%) GCP
4 45 (8.79%) npm
5 43 (8.40%) GitHub
6 21 (4.10%) Serverless
7 20 (3.91%) Heroku
8 16 (3.13%) Yarn
9 15 (2.93%) AWS Lambda
10 13 (2.54%) Slack
11 11 (2.15%) OpenShift
12 10 (1.95%) Amazon S3
13 8 (1.56%) Cloud Computing
14 7 (1.37%) SaaS
15 6 (1.17%) CloudFront
16 4 (0.78%) Apigee
16 4 (0.78%) Cloudflare
17 3 (0.59%) Amazon SQS
18 2 (0.39%) Route 53
18 2 (0.39%) Trello
Communications & Networking
1 15 (2.93%) HTTP
2 5 (0.98%) HTTPS
3 3 (0.59%) Reverse Proxy
4 2 (0.39%) DNS
4 2 (0.39%) FTP
4 2 (0.39%) Network Security
4 2 (0.39%) SSL
4 2 (0.39%) TCP/IP
5 1 (0.20%) Cisco ASA
5 1 (0.20%) Firewall
5 1 (0.20%) FWSM
5 1 (0.20%) Intranet
5 1 (0.20%) Skype
5 1 (0.20%) SNMP
Database & Business Intelligence
1 37 (7.23%) NoSQL
2 28 (5.47%) MongoDB
3 23 (4.49%) MySQL
4 16 (3.13%) Relational Database
5 11 (2.15%) Blockchain
6 10 (1.95%) PostgreSQL
7 8 (1.56%) SQL Server
8 6 (1.17%) Big Data
9 4 (0.78%) Neo4j
9 4 (0.78%) Qlik Sense
10 3 (0.59%) Amazon DynamoDB
10 3 (0.59%) Amazon RDS
10 3 (0.59%) Apache Cassandra
11 1 (0.20%) Amazon Athena
11 1 (0.20%) Azure SQL Database
11 1 (0.20%) BigQuery
11 1 (0.20%) Couchbase
11 1 (0.20%) Data Lake
11 1 (0.20%) QlikView
11 1 (0.20%) Redis
Development Applications
1 143 (27.93%) Git (software)
2 101 (19.73%) webpack
3 44 (8.59%) Jenkins
4 42 (8.20%) JUnit
5 34 (6.64%) gulp
6 30 (5.86%) Babel
7 28 (5.47%) Karma Test Runner
8 27 (5.27%) Spock
9 26 (5.08%) Mocha
10 24 (4.69%) Jasmine
11 21 (4.10%) JIRA
11 21 (4.10%) Selenium
12 19 (3.71%) Maven
13 18 (3.52%) GitLab
14 17 (3.32%) Bitbucket
14 17 (3.32%) Grunt
15 14 (2.73%) Protractor
16 13 (2.54%) PostCSS
17 12 (2.34%) Visual Studio
18 11 (2.15%) Mockito
General
1 58 (11.33%) Finance
2 29 (5.66%) Public Sector
3 28 (5.47%) Banking
4 16 (3.13%) Retail
5 15 (2.93%) Marketing
6 11 (2.15%) Games
7 10 (1.95%) Law
8 8 (1.56%) Telecoms
9 6 (1.17%) Investment Banking
10 4 (0.78%) Publishing
10 4 (0.78%) Retail Banking
11 3 (0.59%) Aerospace
11 3 (0.59%) Back Office
11 3 (0.59%) Music Industry
12 2 (0.39%) Advertising
12 2 (0.39%) Front Office
12 2 (0.39%) Manufacturing
12 2 (0.39%) Multimedia
13 1 (0.20%) Electronics
13 1 (0.20%) Legal
Job Titles
1 445 (86.91%) Developer
2 147 (28.71%) Front End Developer (Client-Side Developer)
3 143 (27.93%) React Developer
4 114 (22.27%) JavaScript Developer
5 66 (12.89%) Java Developer
6 65 (12.70%) Full Stack Developer
7 58 (11.33%) Senior Developer
8 45 (8.79%) Node.js Developer
9 38 (7.42%) Angular Developer
10 30 (5.86%) UI Developer
11 23 (4.49%) Java Developer - Fintech
12 22 (4.30%) Software Developer
13 16 (3.13%) Digital Developer
13 16 (3.13%) Senior JavaScript Developer
14 14 (2.73%) Senior Front-End Developer
14 14 (2.73%) Senior Software Developer
15 13 (2.54%) Senior Java Developer
16 12 (2.34%) HTML Developer
16 12 (2.34%) Lead Developer
17 11 (2.15%) Senior React Developer
Libraries, Frameworks & Software Standards
1 315 (61.52%) CSS
2 295 (57.62%) HTML
3 281 (54.88%) React
4 241 (47.07%) Node.js
5 195 (38.09%) Redux
6 172 (33.59%) AngularJS
7 164 (32.03%) HTML5
8 128 (25.00%) Sass
9 117 (22.85%) CSS3
10 95 (18.55%) RESTful
11 87 (16.99%) Spring
12 83 (16.21%) Jest
13 74 (14.45%) Vue.js
14 67 (13.09%) Spring Boot
15 54 (10.55%) Express
16 51 (9.96%) REST
17 49 (9.57%) GraphQL
18 34 (6.64%) Enzyme
18 34 (6.64%) jQuery
19 29 (5.66%) JSON
Miscellaneous
1 82 (16.02%) User Experience
2 63 (12.30%) Greenfield Project
3 28 (5.47%) Mobile App
4 22 (4.30%) Analytical Skills
5 14 (2.73%) Data Structures
6 13 (2.54%) Algorithms
7 10 (1.95%) Cloud Native
8 6 (1.17%) Self-Motivation
8 6 (1.17%) W3C
9 4 (0.78%) Linux Command Line
9 4 (0.78%) Mobile Banking
9 4 (0.78%) Social Media
10 3 (0.59%) Enterprise Software
11 2 (0.39%) Animation
11 2 (0.39%) Digital Media
11 2 (0.39%) Management Information System
11 2 (0.39%) Smartphone
11 2 (0.39%) Video\Live Streaming
12 1 (0.20%) Blog
12 1 (0.20%) Replication
Operating Systems
1 27 (5.27%) Unix
2 22 (4.30%) Linux
3 6 (1.17%) Apple iOS
4 5 (0.98%) Android
5 4 (0.78%) Ubuntu
5 4 (0.78%) Windows
6 1 (0.20%) CentOS
6 1 (0.20%) Check Point GAiA
6 1 (0.20%) Red Hat Enterprise Linux
Processes & Methodologies
1 245 (47.85%) Agile Software Development
2 190 (37.11%) Front End Development
3 176 (34.38%) TDD
4 86 (16.80%) Test Automation
5 84 (16.41%) OO
6 78 (15.23%) Open Source
7 77 (15.04%) Microservices
8 65 (12.70%) Scrum
9 63 (12.30%) Pair Programming
10 58 (11.33%) BDD
11 46 (8.98%) Fintech
11 46 (8.98%) Unit Testing
12 39 (7.62%) Continuous Integration
13 38 (7.42%) Continuous Delivery
13 38 (7.42%) OOP
14 37 (7.23%) DevOps
14 37 (7.23%) Software Engineering
15 36 (7.03%) Mentoring
16 34 (6.64%) Problem-Solving
17 31 (6.05%) Asynchronous Programming
Programming Languages
1 460 (89.84%) JavaScript
2 132 (25.78%) Java
3 124 (24.22%) TypeScript
4 67 (13.09%) Java 8
5 59 (11.52%) ES7
6 47 (9.18%) SQL
7 41 (8.01%) Python
8 28 (5.47%) C#
9 23 (4.49%) Bash Shell
10 22 (4.30%) PHP
11 20 (3.91%) Ruby
12 10 (1.95%) ES8
13 9 (1.76%) Elm
14 8 (1.56%) Go
15 7 (1.37%) Scala
16 6 (1.17%) ActionScript
16 6 (1.17%) BrightScript
17 4 (0.78%) ANSI SQL
17 4 (0.78%) C++
18 3 (0.59%) Kotlin
Qualifications
1 11 (2.15%) Security Cleared
2 10 (1.95%) BPSS Clearance
3 9 (1.76%) Degree
4 7 (1.37%) SC Cleared
5 4 (0.78%) AWS Certification
5 4 (0.78%) DBS Check
6 1 (0.20%) Computer Science Degree
6 1 (0.20%) ISTQB
6 1 (0.20%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 11 (2.15%) QA
2 4 (0.78%) WCAG
3 3 (0.59%) Disclosure Scotland
System Software
1 70 (13.67%) Docker
Systems Management
1 42 (8.20%) Kubernetes
2 20 (3.91%) Terraform
3 4 (0.78%) Puppet
4 3 (0.59%) Docker Swarm
4 3 (0.59%) Hadoop YARN
5 2 (0.39%) Ansible
5 2 (0.39%) Opscode Chef
6 1 (0.20%) Graphite
6 1 (0.20%) Kibana
6 1 (0.20%) logstash
6 1 (0.20%) Matomo
6 1 (0.20%) Packer
Vendors
1 20 (3.91%) Google
2 13 (2.54%) Microsoft
3 8 (1.56%) Splunk
4 7 (1.37%) AppDynamics
4 7 (1.37%) Blue Coat
4 7 (1.37%) F5
5 6 (1.17%) Atlassian
5 6 (1.17%) hybris
5 6 (1.17%) Roku
6 5 (0.98%) IBM
6 5 (0.98%) Sitecore
7 4 (0.78%) Adobe
7 4 (0.78%) MuleSoft
8 3 (0.59%) Oracle
9 2 (0.39%) SAP
10 1 (0.20%) CheckPoint
10 1 (0.20%) Cisco
10 1 (0.20%) Crossbeam
10 1 (0.20%) ESRI
10 1 (0.20%) Salesforce.com