Period
to 15 October 2018

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 15 October 2018 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
15 Oct 2018
Same period 2017 Same period 2016
Rank 253 324 539
Rank change year-on-year +71 +215 +292
Contract jobs citing ES6 1,103 775 391
As % of all contract IT jobs advertised in the UK 1.07% 0.79% 0.37%
As % of the Programming Languages category 2.41% 1.88% 0.92%
Number of daily rates quoted 835 610 327
UK median daily rate £500 £475 £475
Median daily rate % change year-on-year +5.26% - -5.00%
10th Percentile £363 £356 £354
90th Percentile £650 £625 £612
UK excluding London median daily rate £425 £400 £425
% change year-on-year +6.25% -5.88% +41.67%
Number of hourly rates quoted 0 1 1
UK median hourly rate - £51.00 £85.00
Median hourly rate % change year-on-year - -40.00% -
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 45,854 41,226 42,472
As % of all contract IT jobs advertised in the UK 44.48% 41.89% 40.11%
Number of daily rates quoted 32,158 28,581 29,194
UK median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £313 £306 £280
90th Percentile £638 £625 £588
UK excluding London median daily rate £415 £400 £375
% change year-on-year +3.75% +6.67% +3.45%
Number of hourly rates quoted 710 788 913
UK median hourly rate £42.00 £40.00 £37.50
Median hourly rate % change year-on-year +5.00% +6.67% +2.74%
10th Percentile £16.25 £16.25 £14.13
90th Percentile £52.50 £53.23 £52.50
UK excluding London median hourly rate £42.50 £40.50 £37.50
% change year-on-year +4.94% +8.00% +1.35%

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 15 October 2018.

Contractor daily rate histogram for ES6 in the UK

ES6
Top 16 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 15 October 2018. 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 +60 1,049 £500 +5.26% 333
London +45 818 £525 +5.00% 187
UK excluding London +42 263 £425 +6.25% 163
South East +37 96 £450 +13.21% 34
North of England -7 45 £420 +4.02% 56
Midlands -19 43 £425 - 20
Scotland -21 30 £425 +3.03% 12
Yorkshire 0 29 £425 +6.25% 15
South West +1 23 £400 +6.67% 23
East Midlands -8 22 £410 -3.53% 7
West Midlands -2 21 £425 +13.33% 13
East of England -7 20 £475 +35.71% 14
North West -24 13 £390 -5.17% 37
Wales - 5 £538 - 5
North East - 3 £325 - 4
Northern Ireland - 1 £600 -

For the 6 months to 15 October 2018, 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 1,025 (92.93%) JavaScript
2 756 (68.54%) CSS
3 693 (62.83%) HTML
4 568 (51.50%) React
5 552 (50.05%) Node.js
6 529 (47.96%) Agile Software Development
7 405 (36.72%) Redux
8 385 (34.90%) HTML5
9 383 (34.72%) Git (software)
10 380 (34.45%) Front End Development
11 376 (34.09%) AngularJS
12 357 (32.37%) Sass
13 353 (32.00%) TDD
14 306 (27.74%) CSS3
15 299 (27.11%) webpack
16 272 (24.66%) TypeScript
17 240 (21.76%) Java
18 218 (19.76%) User Experience
19 211 (19.13%) Docker
20 207 (18.77%) Amazon AWS
21 193 (17.50%) REST
22 190 (17.23%) OO
23 180 (16.32%) Finance
24 169 (15.32%) Unit Testing
25 168 (15.23%) Test Automation
25 168 (15.23%) Express
26 165 (14.96%) BDD
27 158 (14.32%) Jest
28 154 (13.96%) Enzyme
29 153 (13.87%) Mocha

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 35 (3.17%) Elasticsearch
2 31 (2.81%) CMS
3 23 (2.09%) Apache Spark
4 16 (1.45%) Gunicorn
5 13 (1.18%) Cloud Foundry
6 11 (1.00%) Apache
7 10 (0.91%) Umbraco
8 9 (0.82%) SharePoint
8 9 (0.82%) Sitecore CMS
9 7 (0.63%) Adobe Experience Manager
9 7 (0.63%) Confluence
10 6 (0.54%) CoreMedia CMS
10 6 (0.54%) WordPress
11 3 (0.27%) Ethereum
11 3 (0.27%) nginx
12 2 (0.18%) IIS
12 2 (0.18%) Tomcat
12 2 (0.18%) WebSphere
13 1 (0.091%) EPiServer
13 1 (0.091%) Mule
Applications
1 22 (1.99%) Photoshop
2 10 (0.91%) Fireworks
3 6 (0.54%) GIMP
4 5 (0.45%) Chatbot
5 4 (0.36%) InVision
6 2 (0.18%) Adobe Creative Suite
7 1 (0.091%) Adobe Illustrator
7 1 (0.091%) SketchUp
Business Applications
1 3 (0.27%) SAP Oil and Gas
2 2 (0.18%) Magento
2 2 (0.18%) Shopify
3 1 (0.091%) Distributed Ledger
3 1 (0.091%) RMDS
Cloud Services
1 207 (18.77%) Amazon AWS
2 127 (11.51%) npm
3 113 (10.24%) Serverless
4 90 (8.16%) Microsoft Azure
5 70 (6.35%) GitHub
6 64 (5.80%) Heroku
7 59 (5.35%) AWS Lambda
8 38 (3.45%) Google Cloud Platform
9 28 (2.54%) Yarn
10 16 (1.45%) Amazon S3
11 15 (1.36%) Amazon EC2
12 11 (1.00%) AWS CloudFormation
13 10 (0.91%) Azure Functions
14 7 (0.63%) BrowserStack
14 7 (0.63%) Cloud Computing
15 5 (0.45%) Amazon Kinesis
15 5 (0.45%) Amazon SQS
15 5 (0.45%) SaaS
16 4 (0.36%) OpenShift
16 4 (0.36%) Virtual Private Cloud
Communications & Networking
1 77 (6.98%) HTTP
2 35 (3.17%) FTP
3 34 (3.08%) SSL
4 33 (2.99%) DNS
4 33 (2.99%) TCP/IP
5 22 (1.99%) Internet
6 8 (0.73%) SMS
7 1 (0.091%) HbbTV
Database & Business Intelligence
1 109 (9.88%) PostgreSQL
2 98 (8.88%) MongoDB
3 75 (6.80%) MySQL
4 44 (3.99%) Relational Database
5 37 (3.35%) NoSQL
6 29 (2.63%) Redis
7 27 (2.45%) SQL Server
8 26 (2.36%) Big Data
8 26 (2.36%) Couchbase
9 17 (1.54%) Amazon RDS
10 16 (1.45%) Apache Cassandra
10 16 (1.45%) Blockchain
11 14 (1.27%) Amazon DynamoDB
11 14 (1.27%) Hadoop
12 11 (1.00%) SQL Server 2014
13 8 (0.73%) Amazon Aurora
14 4 (0.36%) Data Mining
15 3 (0.27%) Cosmos DB
15 3 (0.27%) SAP HANA
16 2 (0.18%) Cloud Spanner
Development Applications
1 383 (34.72%) Git (software)
2 299 (27.11%) webpack
3 153 (13.87%) Mocha
4 141 (12.78%) gulp
5 138 (12.51%) Babel
6 129 (11.70%) Jenkins
7 100 (9.07%) Jasmine
8 83 (7.52%) Selenium
9 71 (6.44%) JIRA
10 65 (5.89%) Grunt
11 53 (4.81%) Gatling
12 48 (4.35%) GitLab
12 48 (4.35%) Karma Test Runner
13 40 (3.63%) Cucumber
14 38 (3.45%) Maven
15 36 (3.26%) PostCSS
16 30 (2.72%) Sinon.JS
17 28 (2.54%) Gradle
18 25 (2.27%) TeamCity
19 17 (1.54%) WebDriver
General
1 180 (16.32%) Finance
2 92 (8.34%) Banking
3 70 (6.35%) Retail
4 23 (2.09%) Front Office
5 22 (1.99%) Marketing
6 13 (1.18%) Advertising
6 13 (1.18%) Law
7 11 (1.00%) Games
7 11 (1.00%) Investment Banking
7 11 (1.00%) Publishing
8 5 (0.45%) Legal
9 4 (0.36%) Electronics
9 4 (0.36%) Financial Institution
9 4 (0.36%) Telecoms
10 2 (0.18%) Aerospace
10 2 (0.18%) Automotive
10 2 (0.18%) Manufacturing
10 2 (0.18%) Pharmaceutical
10 2 (0.18%) Retail Banking
11 1 (0.091%) Billing
Job Titles
1 980 (88.85%) Developer
2 367 (33.27%) React Developer
3 309 (28.01%) Front End Developer (Client-Side Developer)
4 295 (26.75%) JavaScript Developer
5 118 (10.70%) Full Stack Developer
6 114 (10.34%) Senior Developer
7 110 (9.97%) Node.js Developer
8 95 (8.61%) Angular Developer
9 80 (7.25%) Java Developer
10 66 (5.98%) UI Developer
11 44 (3.99%) Web Developer
12 41 (3.72%) Senior React Developer
13 39 (3.54%) Senior Front-End Developer
13 39 (3.54%) Software Engineer
14 30 (2.72%) AWS Developer
15 29 (2.63%) Digital Developer
15 29 (2.63%) HTML Developer
15 29 (2.63%) Lead Developer
15 29 (2.63%) Senior JavaScript Developer
16 24 (2.18%) HTML CSS Developer
Libraries, Frameworks & Software Standards
1 756 (68.54%) CSS
2 693 (62.83%) HTML
3 568 (51.50%) React
4 552 (50.05%) Node.js
5 405 (36.72%) Redux
6 385 (34.90%) HTML5
7 376 (34.09%) AngularJS
8 357 (32.37%) Sass
9 306 (27.74%) CSS3
10 193 (17.50%) REST
11 168 (15.23%) Express
12 158 (14.32%) Jest
13 154 (13.96%) Enzyme
14 148 (13.42%) Chai
15 118 (10.70%) RESTful
16 107 (9.70%) LESS
17 96 (8.70%) Spring
18 90 (8.16%) React Native
19 88 (7.98%) Spring Boot
20 85 (7.71%) Vue.js
Miscellaneous
1 218 (19.76%) User Experience
2 104 (9.43%) Greenfield Project
3 73 (6.62%) Fintech
4 54 (4.90%) Data Structures
5 46 (4.17%) Mobile App
6 43 (3.90%) Analytical Skills
7 41 (3.72%) Computer Science
8 37 (3.35%) Algorithms
9 18 (1.63%) Cloud Native
10 12 (1.09%) Virtual Team
10 12 (1.09%) W3C
11 11 (1.00%) Equities
12 9 (0.82%) Credit Risk
12 9 (0.82%) Enterprise Software
13 8 (0.73%) Digital Media
14 7 (0.63%) Foreign Exchange (FX)
15 6 (0.54%) Internet of Things
16 5 (0.45%) Animation
16 5 (0.45%) Client/Server
16 5 (0.45%) Social Media
Operating Systems
1 70 (6.35%) Linux
2 45 (4.08%) Apple iOS
3 42 (3.81%) Android
4 29 (2.63%) Unix
5 2 (0.18%) Mac OS
5 2 (0.18%) Windows
6 1 (0.091%) VMS
Processes & Methodologies
1 529 (47.96%) Agile Software Development
2 380 (34.45%) Front End Development
3 353 (32.00%) TDD
4 190 (17.23%) OO
5 169 (15.32%) Unit Testing
6 168 (15.23%) Test Automation
7 165 (14.96%) BDD
8 137 (12.42%) Web Development
9 133 (12.06%) Microservices
10 132 (11.97%) Software Engineering
11 126 (11.42%) Scrum
12 125 (11.33%) Continuous Integration
13 94 (8.52%) Responsive Web Design
14 91 (8.25%) DevOps
15 87 (7.89%) E-Commerce
16 77 (6.98%) Continuous Delivery
17 75 (6.80%) Open Source
18 62 (5.62%) Problem-Solving
19 58 (5.26%) API Design
20 53 (4.81%) Wireframes
Programming Languages
1 1,025 (92.93%) JavaScript
2 272 (24.66%) TypeScript
3 240 (21.76%) Java
4 111 (10.06%) Python
5 108 (9.79%) ES7
6 97 (8.79%) Java 8
7 52 (4.71%) C#
7 52 (4.71%) SQL
8 49 (4.44%) Go
9 25 (2.27%) JSX
10 21 (1.90%) Ruby
11 15 (1.36%) ES8
11 15 (1.36%) Scala
12 14 (1.27%) PHP
13 10 (0.91%) Bash Shell
14 9 (0.82%) Kotlin
15 8 (0.73%) Apple Swift
16 6 (0.54%) Shell Script
17 5 (0.45%) C++
17 5 (0.45%) XPath
Qualifications
1 20 (1.81%) Security Cleared
2 18 (1.63%) SC Cleared
3 13 (1.18%) Degree
4 11 (1.00%) BPSS Clearance
5 10 (0.91%) Computer Science Degree
6 3 (0.27%) Master's Degree
Quality Assurance & Compliance
1 37 (3.35%) QA
2 18 (1.63%) WCAG
3 9 (0.82%) WAI
4 4 (0.36%) Data Quality
5 3 (0.27%) Disclosure Scotland
5 3 (0.27%) ISO/IEC 27001
System Software
1 211 (19.13%) Docker
2 3 (0.27%) Virtual Machines
3 2 (0.18%) Varnish
4 1 (0.091%) Apache ZooKeeper
4 1 (0.091%) etcd
4 1 (0.091%) VMware Infrastructure
Systems Management
1 54 (4.90%) Ansible
2 41 (3.72%) Terraform
3 39 (3.54%) Kubernetes
4 30 (2.72%) Docker Swarm
5 12 (1.09%) Mesos
6 11 (1.00%) Puppet
7 10 (0.91%) Marathon
8 6 (0.54%) Opscode Chef
9 1 (0.091%) Consul
9 1 (0.091%) Grafana
9 1 (0.091%) Systems Management Server (SMS)
Vendors
1 43 (3.90%) Google
2 27 (2.45%) Adobe
3 24 (2.18%) Twitter
4 12 (1.09%) Splunk
5 10 (0.91%) Microsoft
5 10 (0.91%) Sitecore
6 7 (0.63%) Cypress Semiconductor
7 5 (0.45%) Salesforce.com
7 5 (0.45%) TOWER Software
8 4 (0.36%) Atlassian
8 4 (0.36%) SAP
9 3 (0.27%) Zend
10 2 (0.18%) IBM
10 2 (0.18%) MuleSoft
10 2 (0.18%) PubNub
10 2 (0.18%) Volusion
10 2 (0.18%) WooCommerce
11 1 (0.091%) Apiary
11 1 (0.091%) FXall
11 1 (0.091%) PayPal