Period
to 22 April 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 22 April 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
22 Apr 2018
Same period 2017 Same period 2016
Rank 271 452 666
Rank change year-on-year +181 +214 +182
Contract jobs citing ES6 994 435 204
As % of all contract IT jobs advertised in the UK 0.98% 0.47% 0.19%
As % of the Programming Languages category 2.29% 1.15% 0.50%
Number of daily rates quoted 796 328 169
UK median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +28.57%
10th Percentile £363 £325 £360
90th Percentile £638 £638 £563
UK excluding London median daily rate £450 £375 £450
% change year-on-year +20.00% -16.67% -
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 43,475 37,689 40,903
As % of all contract IT jobs advertised in the UK 42.98% 40.96% 38.34%
Number of daily rates quoted 30,426 25,829 27,911
UK median daily rate £463 £425 £415
Median daily rate % change year-on-year +8.82% +2.41% +3.75%
10th Percentile £313 £295 £275
90th Percentile £638 £613 £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 778 841 988
UK median hourly rate £40.00 £40.50 £38.50
Median hourly rate % change year-on-year -1.23% +5.19% +10.00%
10th Percentile £16.61 £16.17 £14.13
90th Percentile £51.55 £53.75 £51.33
UK excluding London median hourly rate £40.00 £40.00 £38.75
% change year-on-year - +3.23% +10.71%

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 22 April 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 22 April 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 +178 955 £500 +5.26% 267
London +114 706 £525 +5.00% 140
UK excluding London +125 277 £450 +20.00% 136
South East +68 130 £450 +18.03% 33
North of England +21 55 £410 +9.33% 50
North West +7 32 £405 +4.52% 33
East of England +8 27 £450 +28.11% 19
Scotland -16 23 £438 +12.90% 7
Yorkshire +3 21 £650 +73.33% 14
Midlands -12 21 £425 +25.00% 10
South West +22 19 £390 -1.27% 15
East Midlands -1 16 £450 +32.35% 7
Northern Ireland +2 6 £550 +37.50% 1
West Midlands -6 5 £206 -45.00% 3
North East - 4 £323 - 3
Wales - 2 £375 - 1

For the 6 months to 22 April 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.

1 931 (93.66%) JavaScript
2 726 (73.04%) CSS
3 654 (65.79%) HTML
4 560 (56.34%) React
5 525 (52.82%) Node.js
6 499 (50.20%) Agile Software Development
7 467 (46.98%) HTML5
8 415 (41.75%) TDD
9 408 (41.05%) AngularJS
10 381 (38.33%) Redux
11 347 (34.91%) Front End Development
12 337 (33.90%) webpack
13 336 (33.80%) CSS3
14 311 (31.29%) Sass
15 290 (29.18%) Git (software)
16 264 (26.56%) BDD
17 242 (24.35%) TypeScript
18 241 (24.25%) Docker
19 182 (18.31%) Test Automation
20 169 (17.00%) Amazon AWS
21 161 (16.20%) Java
22 160 (16.10%) Jenkins
23 159 (16.00%) Finance
23 159 (16.00%) npm
24 156 (15.69%) gulp
25 153 (15.39%) RESTful
26 150 (15.09%) User Experience
27 145 (14.59%) Web Development
28 144 (14.49%) Babel
29 141 (14.19%) LESS

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 (3.02%) CMS
2 27 (2.72%) Elasticsearch
3 17 (1.71%) Umbraco
4 14 (1.41%) Adobe Experience Manager
5 9 (0.91%) Confluence
5 9 (0.91%) EPiServer
6 7 (0.70%) Apache Spark
6 7 (0.70%) Cloud Foundry
6 7 (0.70%) Mongoose
7 6 (0.60%) Drupal
8 5 (0.50%) Apache
9 4 (0.40%) GeoServer
10 3 (0.30%) Jupyter
10 3 (0.30%) Tomcat
10 3 (0.30%) WordPress
11 2 (0.20%) CICS
11 2 (0.20%) Gunicorn
11 2 (0.20%) JBoss
11 2 (0.20%) WebSphere
11 2 (0.20%) WildFly
Applications
1 8 (0.80%) Photoshop
2 3 (0.30%) GIMP
3 1 (0.10%) Adobe Illustrator
Business Applications
1 6 (0.60%) Dynamics CRM
2 2 (0.20%) Shopify
3 1 (0.10%) Magento
Cloud Services
1 169 (17.00%) Amazon AWS
2 159 (16.00%) npm
3 82 (8.25%) Serverless
4 51 (5.13%) Heroku
5 50 (5.03%) Microsoft Azure
6 41 (4.12%) GitHub
7 38 (3.82%) Yarn
8 28 (2.82%) SaaS
9 27 (2.72%) PaaS
10 22 (2.21%) IaaS
11 19 (1.91%) Google Cloud Platform
12 14 (1.41%) AWS Lambda
13 10 (1.01%) Amazon S3
13 10 (1.01%) Amazon SQS
13 10 (1.01%) AWS CloudFormation
14 9 (0.91%) Google Play
15 6 (0.60%) Google Analytics
16 5 (0.50%) Cloud Computing
17 4 (0.40%) Fastly
18 3 (0.30%) AWS Elastic Beanstalk
Communications & Networking
1 52 (5.23%) HTTP
2 27 (2.72%) DNS
2 27 (2.72%) FTP
2 27 (2.72%) SSL
2 27 (2.72%) TCP/IP
3 23 (2.31%) Internet
4 14 (1.41%) SMS
5 2 (0.20%) HTTPS
6 1 (0.10%) Bluetooth
6 1 (0.10%) Kerberos
6 1 (0.10%) Reverse Proxy
Database & Business Intelligence
1 98 (9.86%) PostgreSQL
2 95 (9.56%) MongoDB
3 64 (6.44%) NoSQL
4 46 (4.63%) MySQL
4 46 (4.63%) Redis
5 40 (4.02%) SQL Server
6 28 (2.82%) Amazon DynamoDB
7 26 (2.62%) Apache Cassandra
8 18 (1.81%) CouchDB
9 17 (1.71%) Relational Database
10 14 (1.41%) SQL Server 2014
11 13 (1.31%) Blockchain
12 12 (1.21%) Neo4j
13 10 (1.01%) Cloud Spanner
13 10 (1.01%) NewSQL
14 9 (0.91%) Big Data
14 9 (0.91%) JanusGraph
15 7 (0.70%) Hadoop
16 6 (0.60%) Couchbase
16 6 (0.60%) Geospatial Data
Development Applications
1 337 (33.90%) webpack
2 290 (29.18%) Git (software)
3 160 (16.10%) Jenkins
4 156 (15.69%) gulp
5 144 (14.49%) Babel
6 137 (13.78%) Mocha
7 104 (10.46%) Jasmine
8 68 (6.84%) Grunt
9 57 (5.73%) Sinon.JS
10 56 (5.63%) Karma Test Runner
11 48 (4.83%) Protractor
12 47 (4.73%) Gerrit
13 40 (4.02%) Cucumber
14 35 (3.52%) Selenium
15 34 (3.42%) GitLab
16 32 (3.22%) JIRA
16 32 (3.22%) PostCSS
17 27 (2.72%) Gradle
17 27 (2.72%) Maven
18 26 (2.62%) Gatling
General
1 159 (16.00%) Finance
2 95 (9.56%) Banking
3 49 (4.93%) Retail
4 21 (2.11%) Publishing
5 18 (1.81%) Telecoms
6 16 (1.61%) Front Office
6 16 (1.61%) Games
6 16 (1.61%) Marketing
7 15 (1.51%) Investment Banking
7 15 (1.51%) Law
8 11 (1.11%) Retail Banking
9 6 (0.60%) Advertising
10 5 (0.50%) Manufacturing
11 3 (0.30%) iGaming
12 2 (0.20%) Automotive
12 2 (0.20%) Financial Institution
13 1 (0.10%) Electronics
13 1 (0.10%) French Language
13 1 (0.10%) International Banking
13 1 (0.10%) Legal
Job Titles
1 896 (90.14%) Developer
2 345 (34.71%) JavaScript Developer
3 335 (33.70%) React Developer
4 299 (30.08%) Front End Developer (Client-Side Developer)
5 130 (13.08%) Node.js Developer
6 129 (12.98%) Full Stack Developer
7 120 (12.07%) Senior Developer
8 99 (9.96%) Angular Developer
9 85 (8.55%) UI Developer
10 74 (7.44%) Java Developer
11 58 (5.84%) HTML Developer
12 53 (5.33%) Senior JavaScript Developer
13 52 (5.23%) Senior Front-End Developer
14 50 (5.03%) Senior React Developer
15 34 (3.42%) Agile Developer
16 29 (2.92%) Web Developer
17 26 (2.62%) JavaScript Engineer
18 24 (2.41%) HTML CSS Developer
19 22 (2.21%) Agile Java Developer
19 22 (2.21%) Lead Developer
Libraries, Frameworks & Software Standards
1 726 (73.04%) CSS
2 654 (65.79%) HTML
3 560 (56.34%) React
4 525 (52.82%) Node.js
5 467 (46.98%) HTML5
6 408 (41.05%) AngularJS
7 381 (38.33%) Redux
8 336 (33.80%) CSS3
9 311 (31.29%) Sass
10 153 (15.39%) RESTful
11 141 (14.19%) LESS
11 141 (14.19%) REST
12 127 (12.78%) Web Services
13 124 (12.47%) Express
14 111 (11.17%) Chai
15 108 (10.87%) Vue (Vue.js)
16 90 (9.05%) Angular 2
17 89 (8.95%) JSON
18 87 (8.75%) Twitter Bootstrap
19 83 (8.35%) React Native
Miscellaneous
1 150 (15.09%) User Experience
2 126 (12.68%) Greenfield Project
3 59 (5.94%) Mobile App
4 53 (5.33%) Computer Science
5 48 (4.83%) Fintech
6 39 (3.92%) Data Structures
7 34 (3.42%) Analytical Skills
8 31 (3.12%) Algorithms
9 22 (2.21%) Video on Demand
10 17 (1.71%) Virtual Team
11 14 (1.41%) Foreign Exchange (FX)
11 14 (1.41%) Over-the-Top Content
12 13 (1.31%) Equity Derivative
13 12 (1.21%) Derivative
14 11 (1.11%) Enterprise Software
15 9 (0.91%) Blog
16 8 (0.80%) Linux Command Line
17 7 (0.70%) iPad
17 7 (0.70%) Self-Motivation
18 6 (0.60%) Enterprise Cloud
Operating Systems
1 77 (7.75%) Linux
2 52 (5.23%) Android
3 46 (4.63%) Apple iOS
4 19 (1.91%) Unix
5 13 (1.31%) Windows
6 12 (1.21%) Windows 10
7 3 (0.30%) Mac OS
7 3 (0.30%) Mac OS X
8 2 (0.20%) zOS
9 1 (0.10%) Red Hat Enterprise Linux
9 1 (0.10%) Ubuntu
9 1 (0.10%) Windows Server
Processes & Methodologies
1 499 (50.20%) Agile Software Development
2 415 (41.75%) TDD
3 347 (34.91%) Front End Development
4 264 (26.56%) BDD
5 182 (18.31%) Test Automation
6 145 (14.59%) Web Development
7 135 (13.58%) Continuous Integration
8 130 (13.08%) Scrum
8 130 (13.08%) Unit Testing
9 106 (10.66%) DevOps
10 103 (10.36%) OO
11 98 (9.86%) Microservices
12 87 (8.75%) API Design
13 86 (8.65%) Responsive Web Design
14 80 (8.05%) Software Engineering
15 79 (7.95%) Continuous Delivery
15 79 (7.95%) E-Commerce
16 76 (7.65%) SDLC
17 68 (6.84%) API Development
18 64 (6.44%) Pair Programming
Programming Languages
1 931 (93.66%) JavaScript
2 242 (24.35%) TypeScript
3 161 (16.20%) Java
4 130 (13.08%) ES7
5 75 (7.55%) Java 8
6 62 (6.24%) SQL
7 59 (5.94%) C#
8 45 (4.53%) Python
9 25 (2.52%) Scala
10 23 (2.31%) PHP
11 22 (2.21%) Groovy
12 19 (1.91%) Ruby
13 18 (1.81%) Objective-C
14 15 (1.51%) JSX
15 13 (1.31%) Go
16 12 (1.21%) Apple Swift
17 11 (1.11%) ES8
18 9 (0.91%) Bash Shell
19 7 (0.70%) C++
20 3 (0.30%) Shell Script
Qualifications
1 38 (3.82%) Degree
2 34 (3.42%) Computer Science Degree
3 23 (2.31%) Security Cleared
4 19 (1.91%) SC Cleared
5 5 (0.50%) Master's Degree
6 3 (0.30%) BPSS Clearance
7 1 (0.10%) MCSD
7 1 (0.10%) Microsoft Certification
Quality Assurance & Compliance
1 42 (4.23%) QA
2 17 (1.71%) WCAG
3 15 (1.51%) Disclosure Scotland
4 3 (0.30%) Data Quality
4 3 (0.30%) GDPR
4 3 (0.30%) ISO/IEC 27001
5 1 (0.10%) WAI
System Software
1 241 (24.25%) Docker
2 9 (0.91%) Varnish
3 7 (0.70%) etcd
4 5 (0.50%) Apache ZooKeeper
5 2 (0.20%) Virtual Machines
6 1 (0.10%) GeoWebCache
6 1 (0.10%) HDFS
6 1 (0.10%) VMware Infrastructure
Systems Management
1 45 (4.53%) Ansible
2 33 (3.32%) Terraform
3 29 (2.92%) Opscode Chef
4 25 (2.52%) Kubernetes
5 22 (2.21%) Docker Swarm
6 5 (0.50%) Marathon
6 5 (0.50%) Mesos
7 4 (0.40%) Consul
8 2 (0.20%) Kibana
9 1 (0.10%) Business Desktop Deployment
9 1 (0.10%) Hadoop YARN
9 1 (0.10%) Oozie
9 1 (0.10%) Packer
Vendors
1 47 (4.73%) Google
2 38 (3.82%) Twitter
3 13 (1.31%) FXall
3 13 (1.31%) Reuters
4 11 (1.11%) Adobe
4 11 (1.11%) Apple
5 8 (0.80%) Microsoft
6 7 (0.70%) Atlassian
6 7 (0.70%) Cypress Semiconductor
6 7 (0.70%) Oracle
6 7 (0.70%) Perforce
6 7 (0.70%) Splunk
7 6 (0.60%) Sitecore
8 5 (0.50%) Zend
9 4 (0.40%) DevExpress
10 2 (0.20%) Capita
10 2 (0.20%) Sun
10 2 (0.20%) Tableau
11 1 (0.10%) IBM
11 1 (0.10%) VMware