Period
to 17 August 2018

The median contractor rate for a JavaScript Developer was £450 per day in advertised job vacancies during the 6 months to 17 August 2018.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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.

JavaScript Developer
UK
6 months to
17 Aug 2018
Same period 2017 Same period 2016
Rank 125 109 125
Rank change year-on-year -16 +16 +20
Contract jobs requiring a JavaScript Developer 2,168 2,186 2,182
As % of all contract IT jobs advertised in the UK 2.10% 2.28% 2.01%
As % of the Job Titles category 2.22% 2.40% 2.11%
Number of daily rates quoted 1,754 1,687 1,739
UK median daily rate £450 £448 £413
Median daily rate % change year-on-year +0.56% +8.48% +10.00%
10th Percentile £325 £313 £300
90th Percentile £625 £625 £551
UK excluding London median daily rate £400 £400 £375
% change year-on-year - +6.67% +6.99%
Number of hourly rates quoted 5 10 7
UK median hourly rate £47.50 £40.00 £36.50
Median hourly rate % change year-on-year +18.75% +9.59% +65.91%
10th Percentile £43.50 £36.30 £21.31
90th Percentile £52.50 £47.75 £61.45
UK excluding London median hourly rate £47.50 £40.00 £36.50
% change year-on-year +18.75% +9.59% +14.06%

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
UK
Contract vacancies in the UK with a recognized job title 97,761 90,923 103,351
% of contract IT jobs with a recognized job title 94.86% 94.98% 94.99%
Number of daily rates quoted 64,013 59,062 67,380
UK median daily rate £450 £438 £425
Median daily rate % change year-on-year +2.86% +2.94% +6.25%
10th Percentile £269 £263 £255
90th Percentile £638 £625 £600
UK excluding London median daily rate £413 £400 £390
% change year-on-year +3.13% +2.56% +4.00%
Number of hourly rates quoted 3,131 2,801 3,129
UK median hourly rate £18.00 £18.70 £19.00
Median hourly rate % change year-on-year -3.74% -1.58% +6.29%
10th Percentile £11.03 £10.75 £10.37
90th Percentile £48.00 £49.00 £46.69
UK excluding London median hourly rate £17.50 £18.00 £19.00
% change year-on-year -2.78% -5.26% +9.73%

JavaScript Developer
Job Vacancy Trend

Job postings that featured JavaScript Developer in the job title as a percentage of all IT jobs advertised.

Job vacancy trend for JavaScript Developer in the UK

JavaScript Developer
Contractor Daily Rate Trend

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

Contractor daily rate trend for JavaScript Developer in the UK

JavaScript Developer
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing JavaScript Developer over the 6 months to 17 August 2018.

Contractor daily rate histogram for JavaScript Developer in the UK

JavaScript Developer
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for JavaScript Developer in the UK

JavaScript Developer
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 JavaScript Developer within the UK over the 6 months to 17 August 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 -12 2,049 £475 +5.56% 617
London -9 1,238 £500 +2.56% 287
UK excluding London -18 925 £400 - 340
South East 0 324 £408 +1.24% 89
North of England -15 265 £400 +2.56% 119
Yorkshire -19 126 £406 +1.56% 58
North West +9 125 £390 +0.65% 57
Midlands -27 118 £350 - 51
Scotland -32 93 £400 - 5
West Midlands -4 73 £350 - 26
South West -8 63 £375 +1.35% 31
East of England -20 48 £433 +8.13% 40
East Midlands -43 45 £350 -6.67% 25
North East -10 14 £350 -20.45% 4
Wales -17 8 £525 +23.53% 2
Northern Ireland +5 7 £300 -27.27% 3

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills

For the 6 months to 17 August 2018, JavaScript Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads featuring JavaScript Developer in the job title.

1 2,168 (100.00%) JavaScript
2 1,259 (58.07%) HTML
3 1,229 (56.69%) CSS
4 1,063 (49.03%) React
5 939 (43.31%) Agile Software Development
6 933 (43.04%) AngularJS
7 901 (41.56%) Node.js
8 651 (30.03%) Front End Development
9 649 (29.94%) HTML5
10 543 (25.05%) TDD
11 446 (20.57%) CSS3
12 426 (19.65%) Redux
13 374 (17.25%) Sass
14 356 (16.42%) Git (software)
15 352 (16.24%) ES6
16 344 (15.87%) jQuery
17 326 (15.04%) Finance
18 318 (14.67%) Web Development
19 312 (14.39%) .NET
20 289 (13.33%) Java
21 288 (13.28%) C#
22 282 (13.01%) User Experience
23 259 (11.95%) Scrum
24 236 (10.89%) TypeScript
25 227 (10.47%) SQL
26 225 (10.38%) MVC
27 220 (10.15%) REST
28 216 (9.96%) Greenfield Project
29 215 (9.92%) RESTful
30 207 (9.55%) OO

JavaScript Developer Skill Set
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 52 (2.40%) CMS
2 40 (1.85%) Elasticsearch
3 29 (1.34%) Apache
4 22 (1.01%) WordPress
5 15 (0.69%) Tomcat
6 12 (0.55%) Adobe Experience Manager
6 12 (0.55%) Apache Spark
6 12 (0.55%) Confluence
7 9 (0.42%) Drupal
7 9 (0.42%) SharePoint
7 9 (0.42%) WebSphere
8 8 (0.37%) nginx
8 8 (0.37%) Umbraco
9 6 (0.28%) IBM Domino
9 6 (0.28%) JBoss
9 6 (0.28%) NServiceBus
10 4 (0.18%) Apache Solr
10 4 (0.18%) OpenStack
10 4 (0.18%) WebSphere Application Server
10 4 (0.18%) WildFly
Applications
1 23 (1.06%) Photoshop
2 12 (0.55%) GIMP
3 10 (0.46%) Adobe Creative Suite
4 7 (0.32%) Adobe Illustrator
4 7 (0.32%) Chatbot
5 4 (0.18%) InVision
6 3 (0.14%) Acrobat
7 1 (0.046%) SketchUp
Business Applications
1 20 (0.92%) ION MarketView
2 18 (0.83%) Magento
3 7 (0.32%) Dynamics CRM
4 4 (0.18%) Payment Gateway
5 2 (0.092%) Dynamics NAV
5 2 (0.092%) Remedy ITSM
6 1 (0.046%) Eloqua
6 1 (0.046%) OpenCart
6 1 (0.046%) RMDS
6 1 (0.046%) SAP Oil and Gas
6 1 (0.046%) SDL Web 8
6 1 (0.046%) Shopify
6 1 (0.046%) Tesseract
Cloud Services
1 171 (7.89%) Amazon AWS
2 132 (6.09%) Microsoft Azure
3 106 (4.89%) npm
4 70 (3.23%) Serverless
5 62 (2.86%) GitHub
6 44 (2.03%) SaaS
7 38 (1.75%) AWS Lambda
8 26 (1.20%) PaaS
9 24 (1.11%) Yarn
10 17 (0.78%) Amazon S3
11 15 (0.69%) Amazon EC2
12 12 (0.55%) Google Cloud Platform
13 11 (0.51%) Heroku
14 9 (0.42%) Amazon SQS
15 6 (0.28%) Dynamics 365
15 6 (0.28%) Route 53
16 5 (0.23%) Cloud Computing
16 5 (0.23%) IaaS
16 5 (0.23%) OpenShift
17 4 (0.18%) Google Analytics
Communications & Networking
1 41 (1.89%) HTTP
2 28 (1.29%) Internet
3 11 (0.51%) RTMP
4 10 (0.46%) SMS
5 4 (0.18%) AMQP
6 3 (0.14%) SSL
6 3 (0.14%) WEP
7 2 (0.092%) Intranet
7 2 (0.092%) Wi-Fi
8 1 (0.046%) ATM
8 1 (0.046%) Ethernet
8 1 (0.046%) FTP
8 1 (0.046%) HTTPS
8 1 (0.046%) Kerberos
8 1 (0.046%) MPLS
8 1 (0.046%) Reverse Proxy
8 1 (0.046%) SSH
8 1 (0.046%) TCP/IP
8 1 (0.046%) WAN
Database & Business Intelligence
1 122 (5.63%) SQL Server
2 100 (4.61%) MongoDB
3 76 (3.51%) MySQL
4 64 (2.95%) NoSQL
5 52 (2.40%) Relational Database
6 40 (1.85%) PostgreSQL
7 33 (1.52%) Big Data
8 26 (1.20%) Redis
9 23 (1.06%) Cosmos DB
10 20 (0.92%) Blockchain
11 19 (0.88%) Amazon DynamoDB
11 19 (0.88%) Azure SQL Database
12 12 (0.55%) SQL Server Integration Services
13 11 (0.51%) Apache Cassandra
13 11 (0.51%) RDBMS
14 10 (0.46%) Hadoop
14 10 (0.46%) HBase
15 9 (0.42%) CouchDB
16 8 (0.37%) Endeca
16 8 (0.37%) SQL Server 2012
Development Applications
1 356 (16.42%) Git (software)
2 198 (9.13%) webpack
3 181 (8.35%) gulp
4 135 (6.23%) Jasmine
5 130 (6.00%) Grunt
6 90 (4.15%) Jenkins
7 87 (4.01%) Mocha
8 84 (3.87%) Karma Test Runner
9 76 (3.51%) Babel
10 74 (3.41%) Selenium
11 70 (3.23%) JIRA
12 67 (3.09%) Subversion
13 53 (2.44%) Cucumber
14 41 (1.89%) Visual Studio
15 29 (1.34%) Protractor
16 26 (1.20%) Maven
16 26 (1.20%) Visual Studio Team System
17 24 (1.11%) Mercurial
18 23 (1.06%) PhantomJS
19 22 (1.01%) WebDriver
General
1 326 (15.04%) Finance
2 168 (7.75%) Banking
3 106 (4.89%) Front Office
4 90 (4.15%) Retail
5 60 (2.77%) Investment Banking
6 42 (1.94%) Games
7 26 (1.20%) Law
8 23 (1.06%) Advertising
8 23 (1.06%) Marketing
8 23 (1.06%) Telecoms
9 16 (0.74%) Publishing
10 14 (0.65%) Financial Institution
11 11 (0.51%) Legal
12 9 (0.42%) Interactive Media
13 8 (0.37%) Back Office
14 7 (0.32%) Manufacturing
15 6 (0.28%) Electronics
16 4 (0.18%) Music Industry
16 4 (0.18%) Prime Brokerage
17 3 (0.14%) Automotive
Libraries, Frameworks & Software Standards
1 1,259 (58.07%) HTML
2 1,229 (56.69%) CSS
3 1,063 (49.03%) React
4 933 (43.04%) AngularJS
5 901 (41.56%) Node.js
6 649 (29.94%) HTML5
7 446 (20.57%) CSS3
8 426 (19.65%) Redux
9 374 (17.25%) Sass
10 344 (15.87%) jQuery
11 312 (14.39%) .NET
12 220 (10.15%) REST
13 215 (9.92%) RESTful
14 171 (7.89%) ASP.NET
15 157 (7.24%) Twitter Bootstrap
16 134 (6.18%) LESS
17 127 (5.86%) Angular 2
18 121 (5.58%) JSON
18 121 (5.58%) Vue.js
19 116 (5.35%) React Native
Miscellaneous
1 282 (13.01%) User Experience
2 216 (9.96%) Greenfield Project
3 111 (5.12%) Mobile App
4 84 (3.87%) Fintech
5 53 (2.44%) Fixed Income
6 39 (1.80%) Algorithms
7 38 (1.75%) Computer Science
8 32 (1.48%) Analytical Skills
8 32 (1.48%) Data Structures
9 31 (1.43%) Enterprise Software
10 29 (1.34%) Foreign Exchange (FX)
11 21 (0.97%) Blog
12 20 (0.92%) Derivative
13 19 (0.88%) Cloud Native
14 15 (0.69%) Linux Command Line
15 14 (0.65%) W3C
16 11 (0.51%) Equity Derivative
17 10 (0.46%) Equities
17 10 (0.46%) Hedge funds
17 10 (0.46%) Self-Motivation
Operating Systems
1 95 (4.38%) Linux
2 71 (3.27%) Android
3 65 (3.00%) Apple iOS
4 32 (1.48%) Windows
5 24 (1.11%) Unix
6 7 (0.32%) Windows 10
7 2 (0.092%) zOS
8 1 (0.046%) CentOS
8 1 (0.046%) HPUX
8 1 (0.046%) Red Hat Enterprise Linux
8 1 (0.046%) Solaris
8 1 (0.046%) Windows Server 2012
Processes & Methodologies
1 939 (43.31%) Agile Software Development
2 651 (30.03%) Front End Development
3 543 (25.05%) TDD
4 318 (14.67%) Web Development
5 259 (11.95%) Scrum
6 225 (10.38%) MVC
7 207 (9.55%) OO
8 197 (9.09%) BDD
9 181 (8.35%) Microservices
10 178 (8.21%) Test Automation
11 160 (7.38%) Continuous Integration
11 160 (7.38%) DevOps
12 144 (6.64%) E-Commerce
13 142 (6.55%) Unit Testing
14 137 (6.32%) Software Engineering
15 118 (5.44%) Responsive Web Design
16 91 (4.20%) Open Source
17 87 (4.01%) Problem-Solving
18 79 (3.64%) Pair Programming
19 77 (3.55%) Analytics
Programming Languages
1 2,168 (100.00%) JavaScript
2 352 (16.24%) ES6
3 289 (13.33%) Java
4 288 (13.28%) C#
5 236 (10.89%) TypeScript
6 227 (10.47%) SQL
7 106 (4.89%) Python
8 87 (4.01%) PHP
9 47 (2.17%) Java 8
10 46 (2.12%) ES7
11 35 (1.61%) JSX
12 34 (1.57%) Ruby
13 32 (1.48%) Scala
14 21 (0.97%) C++
15 18 (0.83%) Go
15 18 (0.83%) T-SQL
16 10 (0.46%) PL/SQL
16 10 (0.46%) VB.NET
17 8 (0.37%) Bash Shell
17 8 (0.37%) PowerShell
Qualifications
1 57 (2.63%) Degree
2 48 (2.21%) Security Cleared
3 38 (1.75%) SC Cleared
4 15 (0.69%) Computer Science Degree
5 5 (0.23%) ITIL Certification
6 4 (0.18%) Microsoft Certification
7 3 (0.14%) DV Cleared
8 1 (0.046%) BC Cleared
8 1 (0.046%) BPSS Clearance
8 1 (0.046%) CTC Cleared
8 1 (0.046%) DBS Check
8 1 (0.046%) Master's Degree
8 1 (0.046%) MOS
8 1 (0.046%) Sun Certification
Quality Assurance & Compliance
1 37 (1.71%) QA
2 13 (0.60%) WCAG
3 7 (0.32%) GDPR
4 6 (0.28%) Data Quality
5 4 (0.18%) GCP
5 4 (0.18%) ISO/IEC 27001
6 3 (0.14%) Solvency II
7 2 (0.092%) PCI DSS
7 2 (0.092%) WAI
8 1 (0.046%) PMO
System Software
1 143 (6.60%) Docker
2 10 (0.46%) Active Directory
3 6 (0.28%) HDFS
4 2 (0.092%) Apache ZooKeeper
4 2 (0.092%) etcd
4 2 (0.092%) Varnish
5 1 (0.046%) Ceph
5 1 (0.046%) VirtualBox
Systems Management
1 30 (1.38%) Terraform
2 24 (1.11%) Ansible
3 17 (0.78%) Kubernetes
4 15 (0.69%) Puppet
5 10 (0.46%) Opscode Chef
6 7 (0.32%) Single Sign-On
7 6 (0.28%) Kibana
8 4 (0.18%) Grafana
9 3 (0.14%) Business Desktop Deployment
9 3 (0.14%) Consul
9 3 (0.14%) Rancher
10 2 (0.092%) Docker Swarm
10 2 (0.092%) Graphite
10 2 (0.092%) HAProxy
10 2 (0.092%) Prometheus
10 2 (0.092%) TeamSite
11 1 (0.046%) PingFederate
11 1 (0.046%) Salt
Vendors
1 87 (4.01%) Microsoft
2 34 (1.57%) Adobe
3 30 (1.38%) Google
4 29 (1.34%) Oracle
5 20 (0.92%) ION Trading
6 13 (0.60%) Capita
6 13 (0.60%) hybris
7 10 (0.46%) Sybase
8 9 (0.42%) Splunk
9 7 (0.32%) Red Hat
9 7 (0.32%) Twitter
10 6 (0.28%) Atlassian
10 6 (0.28%) Demandware
10 6 (0.28%) IBM
10 6 (0.28%) MapR
10 6 (0.28%) SAP
10 6 (0.28%) ServiceNow
11 5 (0.23%) Apiary
11 5 (0.23%) Sitecore
12 4 (0.18%) DevExpress