Period
to 23 October 2019

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 23 October 2019 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
23 Oct 2019
Same period 2018 Same period 2017
Rank 272 248 322
Rank change year-on-year -24 +74 +205
Contract jobs citing ES6 782 1,108 802
As % of all contract IT jobs advertised in the UK 0.92% 1.07% 0.80%
As % of the Programming Languages category 2.20% 2.41% 1.91%
Number of daily rates quoted 620 836 634
UK median daily rate £500 £500 £475
Median daily rate % change year-on-year - +5.26% -
10th Percentile £363 £363 £358
90th Percentile £700 £650 £625
UK excluding London median daily rate £438 £425 £401
% change year-on-year +2.94% +6.12% +0.13%
Number of hourly rates quoted 2 0 1
UK median hourly rate £35.00 - £51.00
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 35,521 46,070 42,027
As % of all contract IT jobs advertised in the UK 41.94% 44.53% 41.94%
Number of daily rates quoted 24,621 32,344 29,216
UK median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £321 £315 £306
90th Percentile £650 £638 £625
UK excluding London median daily rate £425 £418 £400
% change year-on-year +1.80% +4.38% +6.67%
Number of hourly rates quoted 688 698 790
UK median hourly rate £44.00 £42.00 £40.00
Median hourly rate % change year-on-year +4.76% +5.00% +6.67%
10th Percentile £19.25 £16.25 £15.98
90th Percentile £55.00 £52.50 £53.00
UK excluding London median hourly rate £44.00 £42.27 £40.50
% change year-on-year +4.11% +4.36% +8.00%

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 23 October 2019.

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 23 October 2019. 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 -26 738 £513 +2.50% 300
London -14 534 £538 +2.38% 168
UK excluding London +24 234 £438 +2.94% 152
North of England +58 76 £469 +10.42% 44
South East +26 75 £443 -1.67% 29
North West +57 49 £450 +18.42% 22
Yorkshire +27 27 £563 +32.35% 20
South West -3 26 £400 - 23
Scotland +19 23 £425 - 15
Midlands +26 17 £369 -13.24% 21
West Midlands +26 16 £363 -14.71% 16
Wales +28 8 £348 -35.35% 5
East of England +15 8 £575 +21.05% 15
East Midlands +11 2 £650 +58.54% 5
Northern Ireland +6 1 - -

For the 6 months to 23 October 2019, 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.

1 705 (90.15%) JavaScript
2 446 (57.03%) CSS
3 445 (56.91%) HTML
4 412 (52.69%) Agile Software Development
4 412 (52.69%) React
5 351 (44.88%) Node.js
6 327 (41.82%) Redux
7 296 (37.85%) Front End Development
7 296 (37.85%) AngularJS
8 269 (34.40%) HTML5
9 255 (32.61%) TDD
10 241 (30.82%) Sass
11 240 (30.69%) TypeScript
12 204 (26.09%) Git (software)
13 192 (24.55%) CSS3
14 182 (23.27%) Java
15 162 (20.72%) webpack
16 127 (16.24%) User Experience
16 127 (16.24%) Greenfield Project
17 125 (15.98%) AWS
18 121 (15.47%) Finance
19 118 (15.09%) Scrum
20 117 (14.96%) Azure
21 115 (14.71%) Docker
22 112 (14.32%) Spring
23 110 (14.07%) Open Source
24 109 (13.94%) Microservices
25 104 (13.30%) OO
26 102 (13.04%) REST
27 99 (12.66%) npm

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 28 (3.58%) Confluence
2 23 (2.94%) Elasticsearch
3 22 (2.81%) CMS
4 10 (1.28%) Cloud Foundry
4 10 (1.28%) Magnolia
4 10 (1.28%) Mule
4 10 (1.28%) nginx
5 8 (1.02%) Drupal
6 6 (0.77%) Apache
6 6 (0.77%) Sitecore CMS
6 6 (0.77%) Umbraco
6 6 (0.77%) WordPress
7 5 (0.64%) IIS
8 3 (0.38%) Apache Solr
8 3 (0.38%) ArcGIS
9 2 (0.26%) SharePoint
10 1 (0.13%) Apache Spark
10 1 (0.13%) Kentico
10 1 (0.13%) WebSphere
Applications
1 6 (0.77%) Photoshop
2 4 (0.51%) Adobe Illustrator
3 1 (0.13%) Sketch
Business Applications
1 6 (0.77%) Magento
2 3 (0.38%) Shopify
Cloud Services
1 125 (15.98%) AWS
2 117 (14.96%) Azure
3 99 (12.66%) npm
4 75 (9.59%) GitHub
5 49 (6.27%) Serverless
6 45 (5.75%) GCP
7 34 (4.35%) AWS Lambda
8 26 (3.32%) Slack
9 23 (2.94%) Yarn
10 17 (2.17%) Amazon S3
11 16 (2.05%) OpenShift
12 12 (1.53%) Heroku
12 12 (1.53%) SaaS
13 11 (1.41%) Cloud Computing
14 9 (1.15%) Amazon SQS
15 5 (0.64%) CloudFront
16 4 (0.51%) Amazon ECS
16 4 (0.51%) Apigee
16 4 (0.51%) AWS CloudFormation
16 4 (0.51%) Cloudflare
Communications & Networking
1 28 (3.58%) HTTP
2 8 (1.02%) TCP/IP
3 6 (0.77%) FTP
4 5 (0.64%) DNS
4 5 (0.64%) HTTPS
4 5 (0.64%) Reverse Proxy
4 5 (0.64%) SSL
5 4 (0.51%) Network Security
6 2 (0.26%) Firewall
6 2 (0.26%) Unified Communications
7 1 (0.13%) Cisco ASA
7 1 (0.13%) FWSM
7 1 (0.13%) Skype
7 1 (0.13%) SNMP
Database & Business Intelligence
1 41 (5.24%) MongoDB
2 38 (4.86%) MySQL
3 37 (4.73%) NoSQL
4 27 (3.45%) PostgreSQL
5 21 (2.69%) Blockchain
6 19 (2.43%) SQL Server
7 18 (2.30%) Relational Database
8 15 (1.92%) Big Data
9 12 (1.53%) Amazon DynamoDB
10 5 (0.64%) Redis
11 4 (0.51%) Couchbase
12 3 (0.38%) Apache Cassandra
13 2 (0.26%) Amazon RDS
13 2 (0.26%) Cosmos DB
13 2 (0.26%) Geospatial Data
13 2 (0.26%) Neo4j
13 2 (0.26%) Spatial Data
13 2 (0.26%) SQL Server 2014
14 1 (0.13%) Electronic Patient Records
14 1 (0.13%) Hadoop
Development Applications
1 204 (26.09%) Git (software)
2 162 (20.72%) webpack
3 89 (11.38%) Jenkins
4 77 (9.85%) Jasmine
5 66 (8.44%) gulp
6 62 (7.93%) Karma Test Runner
7 48 (6.14%) Maven
8 46 (5.88%) Babel
8 46 (5.88%) JIRA
9 44 (5.63%) Mocha
10 41 (5.24%) Selenium
11 37 (4.73%) Grunt
12 35 (4.48%) JUnit
12 35 (4.48%) Protractor
13 28 (3.58%) Bitbucket
13 28 (3.58%) Cucumber
14 21 (2.69%) PostCSS
15 20 (2.56%) Sonatype Nexus
16 17 (2.17%) Atlassian Bamboo
16 17 (2.17%) Gradle
General
1 121 (15.47%) Finance
2 60 (7.67%) Banking
3 35 (4.48%) Retail
4 28 (3.58%) Marketing
4 28 (3.58%) Public Sector
5 24 (3.07%) Investment Banking
6 18 (2.30%) Games
7 16 (2.05%) Front Office
8 10 (1.28%) Telecoms
9 7 (0.90%) Retail Banking
10 6 (0.77%) Publishing
11 5 (0.64%) Law
11 5 (0.64%) Pharmaceutical
12 4 (0.51%) Manufacturing
13 3 (0.38%) Aerospace
13 3 (0.38%) Financial Institution
13 3 (0.38%) Music Industry
14 2 (0.26%) Advertising
14 2 (0.26%) Electronics
14 2 (0.26%) International Banking
Job Titles
1 694 (88.75%) Developer
2 241 (30.82%) React Developer
3 226 (28.90%) Front End Developer (Client-Side Developer)
4 177 (22.63%) JavaScript Developer
5 126 (16.11%) Full Stack Developer
6 95 (12.15%) Senior Developer
7 93 (11.89%) Angular Developer
8 75 (9.59%) Java Developer
9 64 (8.18%) UI Developer
10 57 (7.29%) Node.js Developer
11 38 (4.86%) Senior JavaScript Developer
12 34 (4.35%) Java Developer - Fintech
13 30 (3.84%) Web Developer
14 23 (2.94%) HTML Developer
14 23 (2.94%) Software Developer
15 22 (2.81%) Senior React Developer
16 19 (2.43%) HTML CSS Developer
16 19 (2.43%) JavaScript Engineer
17 17 (2.17%) Lead Developer
18 15 (1.92%) Senior Front-End Developer
Libraries, Frameworks & Software Standards
1 446 (57.03%) CSS
2 445 (56.91%) HTML
3 412 (52.69%) React
4 351 (44.88%) Node.js
5 327 (41.82%) Redux
6 296 (37.85%) AngularJS
7 269 (34.40%) HTML5
8 241 (30.82%) Sass
9 192 (24.55%) CSS3
10 112 (14.32%) Spring
11 102 (13.04%) REST
12 93 (11.89%) Jest
13 87 (11.13%) RESTful
14 80 (10.23%) Vue.js
15 74 (9.46%) Express
16 66 (8.44%) Spring Boot
17 63 (8.06%) Angular 2
18 58 (7.42%) RxJS
19 57 (7.29%) GraphQL
19 57 (7.29%) Twitter Bootstrap
Miscellaneous
1 127 (16.24%) Greenfield Project
1 127 (16.24%) User Experience
2 32 (4.09%) Mobile App
3 23 (2.94%) Enterprise Software
4 11 (1.41%) Analytical Skills
4 11 (1.41%) Data Structures
5 10 (1.28%) Credit Risk
6 9 (1.15%) Self-Motivation
7 7 (0.90%) Cloud Native
7 7 (0.90%) Mobile Banking
8 6 (0.77%) Algorithms
8 6 (0.77%) NHS
9 5 (0.64%) Blog
9 5 (0.64%) Linux Command Line
10 4 (0.51%) Derivative
10 4 (0.51%) Equity Derivative
10 4 (0.51%) Management Information System
11 3 (0.38%) Digital Media
11 3 (0.38%) Market Risk
12 2 (0.26%) Animation
Operating Systems
1 29 (3.71%) Linux
2 9 (1.15%) Android
2 9 (1.15%) Apple iOS
2 9 (1.15%) Windows
3 7 (0.90%) Unix
4 4 (0.51%) Ubuntu
5 1 (0.13%) Check Point GAiA
Processes & Methodologies
1 412 (52.69%) Agile Software Development
2 296 (37.85%) Front End Development
3 255 (32.61%) TDD
4 118 (15.09%) Scrum
5 110 (14.07%) Open Source
6 109 (13.94%) Microservices
7 104 (13.30%) OO
8 94 (12.02%) Test Automation
9 91 (11.64%) BDD
10 88 (11.25%) Fintech
11 78 (9.97%) Unit Testing
12 61 (7.80%) Software Engineering
13 60 (7.67%) DevOps
14 59 (7.54%) Web Development
15 58 (7.42%) Pair Programming
16 52 (6.65%) Continuous Delivery
17 51 (6.52%) Continuous Integration
18 48 (6.14%) Mentoring
19 42 (5.37%) OOP
20 39 (4.99%) Kanban
Programming Languages
1 705 (90.15%) JavaScript
2 240 (30.69%) TypeScript
3 182 (23.27%) Java
4 86 (11.00%) ES7
4 86 (11.00%) Java 8
5 66 (8.44%) C#
6 64 (8.18%) SQL
7 54 (6.91%) Python
8 34 (4.35%) PHP
9 32 (4.09%) Ruby
10 15 (1.92%) Go
11 13 (1.66%) Scala
12 9 (1.15%) Bash Shell
13 6 (0.77%) C++
14 5 (0.64%) Java 9
14 5 (0.64%) JSX
14 5 (0.64%) Objective-C
14 5 (0.64%) Rust
14 5 (0.64%) Shell Script
15 4 (0.51%) ES8
Qualifications
1 26 (3.32%) Security Cleared
2 20 (2.56%) SC Cleared
3 10 (1.28%) Degree
4 5 (0.64%) BPSS Clearance
5 4 (0.51%) AWS Certification
6 3 (0.38%) Computer Science Degree
7 2 (0.26%) ISTQB
7 2 (0.26%) ISTQB Foundation Certification
8 1 (0.13%) DBS Check
Quality Assurance & Compliance
1 15 (1.92%) QA
2 8 (1.02%) WCAG
3 2 (0.26%) Disclosure Scotland
4 1 (0.13%) PMO
System Software
1 115 (14.71%) Docker
2 1 (0.13%) Varnish
Systems Management
1 44 (5.63%) Kubernetes
2 27 (3.45%) Terraform
3 26 (3.32%) Ansible
4 7 (0.90%) Docker Swarm
5 6 (0.77%) Puppet
6 5 (0.64%) Hadoop YARN
7 4 (0.51%) Kibana
7 4 (0.51%) logstash
8 2 (0.26%) Opscode Chef
8 2 (0.26%) Sysdig
9 1 (0.13%) Graphite
9 1 (0.13%) Matomo
9 1 (0.13%) Packer
Vendors
1 22 (2.81%) Atlassian
2 16 (2.05%) Microsoft
3 15 (1.92%) Google
4 11 (1.41%) Adobe
5 10 (1.28%) AppDynamics
5 10 (1.28%) Blue Coat
5 10 (1.28%) F5
5 10 (1.28%) Sitecore
5 10 (1.28%) Splunk
6 7 (0.90%) Optimizely
7 6 (0.77%) Oracle
8 5 (0.64%) Cypress Semiconductor
9 4 (0.51%) MuleSoft
9 4 (0.51%) Roku
9 4 (0.51%) WooCommerce
10 3 (0.38%) ESRI
10 3 (0.38%) IBM
10 3 (0.38%) Xamarin
11 2 (0.26%) OutSystems
11 2 (0.26%) SAP