Period
to 18 February 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 18 February 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
18 Feb 2018
Same period 2017 Same period 2016
Rank 278 487 685
Rank change year-on-year +209 +198 +171
Contract jobs citing ES6 896 407 193
As % of all contract IT jobs advertised in the UK 0.90% 0.43% 0.18%
As % of the Programming Languages category 2.14% 1.05% 0.46%
Number of daily rates quoted 732 308 141
UK median daily rate £500 £475 £470
Median daily rate % change year-on-year +5.26% +1.06% -
10th Percentile £358 £363 £313
90th Percentile £638 £608 £575
UK excluding London median daily rate £425 £400 £325
% change year-on-year +6.25% +23.08% -
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
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 41,931 38,690 41,618
As % of all contract IT jobs advertised in the UK 41.98% 40.64% 38.54%
Number of daily rates quoted 29,463 26,594 28,327
UK median daily rate £455 £425 £413
Median daily rate % change year-on-year +7.06% +3.03% +3.13%
10th Percentile £310 £288 £275
90th Percentile £638 £600 £600
UK excluding London median daily rate £400 £380 £375
% change year-on-year +5.26% +1.33% +7.14%
Number of hourly rates quoted 770 862 1,060
UK median hourly rate £40.00 £40.00 £37.50
Median hourly rate % change year-on-year - +6.67% +13.64%
10th Percentile £16.74 £14.87 £14.13
90th Percentile £52.50 £52.50 £52.27
UK excluding London median hourly rate £40.00 £40.00 £37.50
% change year-on-year - +6.67% +11.94%

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 18 February 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 18 February 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 +199 880 £500 +5.26% 270
London +101 674 £520 +4.00% 182
UK excluding London +122 215 £425 +6.25% 96
South East +55 98 £414 +6.77% 23
North of England +43 47 £413 +3.13% 30
North West +19 29 £410 +2.50% 17
Midlands +27 28 £450 +24.14% 10
East Midlands +17 22 £450 +38.46% 7
South West +16 18 £390 +1.96% 15
Yorkshire +5 17 £650 +67.74% 7
East of England -3 17 £450 +38.46% 10
Scotland -21 9 £450 - 5
West Midlands +9 6 £413 +3.13% 3
Northern Ireland -12 2 £650 +62.50% 3
Wales - 2 £375 -
North East - 1 £295 - 6

For the 6 months to 18 February 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.

1 850 (94.87%) JavaScript
2 619 (69.08%) CSS
3 564 (62.95%) HTML
4 538 (60.04%) React
5 502 (56.03%) Node.js
6 464 (51.79%) Agile Software Development
7 426 (47.54%) HTML5
8 400 (44.64%) TDD
9 368 (41.07%) AngularJS
10 315 (35.16%) Redux
11 303 (33.82%) CSS3
12 294 (32.81%) Sass
13 270 (30.13%) Front End Development
14 265 (29.58%) webpack
15 255 (28.46%) BDD
16 243 (27.12%) Git (software)
17 196 (21.88%) TypeScript
18 193 (21.54%) Docker
19 186 (20.76%) Test Automation
20 171 (19.08%) Java
21 162 (18.08%) Continuous Integration
22 155 (17.30%) Jenkins
23 153 (17.08%) Amazon AWS
24 151 (16.85%) npm
25 148 (16.52%) Finance
25 148 (16.52%) Scrum
26 146 (16.29%) gulp
27 139 (15.51%) RESTful
28 131 (14.62%) Mocha
29 129 (14.40%) Babel

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 30 (3.35%) Elasticsearch
2 26 (2.90%) CMS
3 18 (2.01%) Adobe Experience Manager
4 9 (1.00%) Confluence
5 8 (0.89%) Mongoose
6 7 (0.78%) EPiServer
7 6 (0.67%) Apache
8 5 (0.56%) Drupal
9 3 (0.33%) Apache Spark
9 3 (0.33%) Cloud Foundry
9 3 (0.33%) GeoServer
9 3 (0.33%) Jupyter
9 3 (0.33%) Tomcat
9 3 (0.33%) WordPress
10 2 (0.22%) Jetty
10 2 (0.22%) nginx
11 1 (0.11%) JBoss
11 1 (0.11%) Mule
11 1 (0.11%) Umbraco
11 1 (0.11%) WebSphere
Applications
1 5 (0.56%) Adobe Illustrator
1 5 (0.56%) Photoshop
2 2 (0.22%) GIMP
Business Applications
1 1 (0.11%) Magento
1 1 (0.11%) Shopify
Cloud Services
1 153 (17.08%) Amazon AWS
2 151 (16.85%) npm
3 65 (7.25%) Serverless
4 38 (4.24%) Microsoft Azure
5 34 (3.79%) Heroku
6 31 (3.46%) SaaS
7 27 (3.01%) GitHub
7 27 (3.01%) PaaS
8 26 (2.90%) Yarn
9 23 (2.57%) AWS Lambda
9 23 (2.57%) IaaS
10 20 (2.23%) Google Cloud Platform
11 19 (2.12%) Amazon SQS
12 16 (1.79%) AWS CloudFormation
13 13 (1.45%) Amazon S3
14 11 (1.23%) Google Play
15 7 (0.78%) AWS Elastic Beanstalk
16 6 (0.67%) CloudFront
16 6 (0.67%) OpenShift
17 3 (0.33%) Trello
Communications & Networking
1 45 (5.02%) HTTP
2 22 (2.46%) Internet
3 17 (1.90%) DNS
3 17 (1.90%) FTP
3 17 (1.90%) SSL
3 17 (1.90%) TCP/IP
4 10 (1.12%) SMS
5 4 (0.45%) Bluetooth
6 2 (0.22%) Ethernet
6 2 (0.22%) Unified Communications
6 2 (0.22%) VPLS
7 1 (0.11%) HTTPS
7 1 (0.11%) Skype
Database & Business Intelligence
1 84 (9.38%) MongoDB
1 84 (9.38%) PostgreSQL
2 66 (7.37%) NoSQL
3 46 (5.13%) Amazon DynamoDB
4 43 (4.80%) MySQL
5 39 (4.35%) Redis
6 29 (3.24%) Apache Cassandra
7 25 (2.79%) SQL Server
8 22 (2.46%) Neo4j
9 15 (1.67%) Relational Database
10 12 (1.34%) Big Data
11 11 (1.23%) CouchDB
11 11 (1.23%) JanusGraph
12 10 (1.12%) SQL Server 2014
13 9 (1.00%) Cloud Spanner
13 9 (1.00%) NewSQL
14 8 (0.89%) Hadoop
15 4 (0.45%) Amazon RDS
15 4 (0.45%) Blockchain
15 4 (0.45%) GIS
Development Applications
1 265 (29.58%) webpack
2 243 (27.12%) Git (software)
3 155 (17.30%) Jenkins
4 146 (16.29%) gulp
5 131 (14.62%) Mocha
6 129 (14.40%) Babel
7 97 (10.83%) Jasmine
8 77 (8.59%) Grunt
9 70 (7.81%) Karma Test Runner
10 63 (7.03%) Protractor
11 38 (4.24%) Sinon.JS
12 37 (4.13%) Cucumber
12 37 (4.13%) Selenium
13 34 (3.79%) JIRA
14 32 (3.57%) Gerrit
15 29 (3.24%) GitLab
15 29 (3.24%) Maven
16 25 (2.79%) Gradle
17 22 (2.46%) Atlassian Bamboo
17 22 (2.46%) PostCSS
General
1 148 (16.52%) Finance
2 82 (9.15%) Banking
3 38 (4.24%) Retail
4 25 (2.79%) Marketing
5 22 (2.46%) Publishing
6 19 (2.12%) Telecoms
7 14 (1.56%) Front Office
8 13 (1.45%) Games
9 11 (1.23%) Retail Banking
10 7 (0.78%) Law
11 5 (0.56%) Financial Institution
12 4 (0.45%) Advertising
12 4 (0.45%) Investment Banking
13 3 (0.33%) Legal
13 3 (0.33%) Manufacturing
14 2 (0.22%) Digital Economy
15 1 (0.11%) Automotive
15 1 (0.11%) French Language
15 1 (0.11%) iGaming
15 1 (0.11%) International Banking
Job Titles
1 770 (85.94%) Developer
2 354 (39.51%) JavaScript Developer
3 275 (30.69%) React Developer
4 230 (25.67%) Front End Developer (Client-Side Developer)
5 121 (13.50%) Full Stack Developer
6 116 (12.95%) Node.js Developer
7 103 (11.50%) Senior Developer
8 78 (8.71%) Angular Developer
9 74 (8.26%) Java Developer
9 74 (8.26%) UI Developer
10 65 (7.25%) HTML Developer
11 54 (6.03%) Senior JavaScript Developer
12 53 (5.92%) Senior React Developer
13 41 (4.58%) Senior Front-End Developer
14 34 (3.79%) JavaScript Engineer
15 31 (3.46%) HTML CSS Developer
16 30 (3.35%) Agile Developer
17 19 (2.12%) Agile Java Developer
18 18 (2.01%) Web Developer
19 16 (1.79%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 619 (69.08%) CSS
2 564 (62.95%) HTML
3 538 (60.04%) React
4 502 (56.03%) Node.js
5 426 (47.54%) HTML5
6 368 (41.07%) AngularJS
7 315 (35.16%) Redux
8 303 (33.82%) CSS3
9 294 (32.81%) Sass
10 139 (15.51%) RESTful
11 124 (13.84%) Web Services
12 114 (12.72%) LESS
13 113 (12.61%) REST
14 96 (10.71%) JSON
15 93 (10.38%) Chai
15 93 (10.38%) Express
16 90 (10.04%) React Native
17 86 (9.60%) Twitter Bootstrap
18 76 (8.48%) Vue (Vue.js)
19 64 (7.14%) Spring
Miscellaneous
1 123 (13.73%) User Experience
2 101 (11.27%) Greenfield Project
3 65 (7.25%) Mobile App
4 55 (6.14%) Computer Science
5 53 (5.92%) Fintech
6 25 (2.79%) Analytical Skills
7 24 (2.68%) Virtual Team
8 22 (2.46%) Data Structures
9 18 (2.01%) Derivative
10 16 (1.79%) Algorithms
10 16 (1.79%) Equity Derivative
11 15 (1.67%) Video on Demand
12 13 (1.45%) Linux Command Line
13 12 (1.34%) Foreign Exchange (FX)
14 10 (1.12%) Social Media
15 8 (0.89%) Equities
16 7 (0.78%) iPad
16 7 (0.78%) Over-the-Top Content
17 5 (0.56%) RIA
17 5 (0.56%) W3C
Operating Systems
1 74 (8.26%) Linux
2 64 (7.14%) Android
3 54 (6.03%) Apple iOS
4 17 (1.90%) Unix
5 8 (0.89%) Windows 10
6 7 (0.78%) Windows
7 6 (0.67%) Mac OS
8 3 (0.33%) Mac OS X
9 1 (0.11%) Red Hat Enterprise Linux
9 1 (0.11%) Ubuntu
9 1 (0.11%) zOS
Processes & Methodologies
1 464 (51.79%) Agile Software Development
2 400 (44.64%) TDD
3 270 (30.13%) Front End Development
4 255 (28.46%) BDD
5 186 (20.76%) Test Automation
6 162 (18.08%) Continuous Integration
7 148 (16.52%) Scrum
8 111 (12.39%) Unit Testing
9 105 (11.72%) OO
10 103 (11.50%) Web Development
11 102 (11.38%) DevOps
12 86 (9.60%) Software Engineering
13 77 (8.59%) Responsive Web Design
14 76 (8.48%) Pair Programming
15 73 (8.15%) E-Commerce
15 73 (8.15%) Microservices
16 72 (8.04%) Continuous Delivery
17 70 (7.81%) SDLC
18 60 (6.70%) API Design
19 54 (6.03%) Open Source
Programming Languages
1 850 (94.87%) JavaScript
2 196 (21.88%) TypeScript
3 171 (19.08%) Java
4 128 (14.29%) ES7
5 63 (7.03%) Python
6 52 (5.80%) SQL
7 45 (5.02%) C#
8 30 (3.35%) GraphQL
9 25 (2.79%) PHP
10 22 (2.46%) Scala
11 20 (2.23%) Objective-C
12 19 (2.12%) Ruby
13 17 (1.90%) Groovy
14 13 (1.45%) Go
15 11 (1.23%) Apple Swift
15 11 (1.23%) C++
16 9 (1.00%) ES8
17 6 (0.67%) Bash Shell
18 4 (0.45%) Shell Script
19 2 (0.22%) C
Qualifications
1 48 (5.36%) Degree
2 45 (5.02%) Computer Science Degree
3 19 (2.12%) SC Cleared
3 19 (2.12%) Security Cleared
4 5 (0.56%) Master's Degree
5 2 (0.22%) BPSS Clearance
5 2 (0.22%) MCSD
5 2 (0.22%) Microsoft Certification
5 2 (0.22%) OCPJP
Quality Assurance & Compliance
1 48 (5.36%) QA
2 17 (1.90%) WCAG
3 14 (1.56%) Disclosure Scotland
4 4 (0.45%) GDPR
4 4 (0.45%) ISO/IEC 27001
4 4 (0.45%) WAI
System Software
1 193 (21.54%) Docker
2 9 (1.00%) Varnish
3 7 (0.78%) Apache ZooKeeper
3 7 (0.78%) etcd
4 1 (0.11%) GeoWebCache
4 1 (0.11%) VMware Infrastructure
Systems Management
1 38 (4.24%) Ansible
2 35 (3.91%) Terraform
3 21 (2.34%) Opscode Chef
4 19 (2.12%) Kubernetes
5 17 (1.90%) Docker Swarm
6 7 (0.78%) Consul
7 5 (0.56%) Puppet
8 4 (0.45%) Packer
9 2 (0.22%) Kibana
9 2 (0.22%) Mesos
10 1 (0.11%) Business Desktop Deployment
Vendors
1 49 (5.47%) Google
2 36 (4.02%) Twitter
3 15 (1.67%) Adobe
4 14 (1.56%) Apple
5 10 (1.12%) FXall
5 10 (1.12%) Reuters
6 8 (0.89%) Atlassian
7 7 (0.78%) Cypress Semiconductor
7 7 (0.78%) Perforce
8 4 (0.45%) New Relic
8 4 (0.45%) Sitecore
8 4 (0.45%) Splunk
9 3 (0.33%) Apiary
9 3 (0.33%) DevExpress
9 3 (0.33%) Zend
10 2 (0.22%) Capita
10 2 (0.22%) Microsoft
10 2 (0.22%) Oracle
10 2 (0.22%) Salesforce.com
10 2 (0.22%) Sun