Period
to 23 April 2019

The median contractor rate for a JavaScript Developer was £481 per day in advertised job vacancies during the 6 months to 23 April 2019.

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
23 Apr 2019
Same period 2018 Same period 2017
Rank 172 127 119
Rank change year-on-year -45 -8 -3
Contract jobs requiring a JavaScript Developer 1,556 2,065 1,941
As % of all contract IT jobs advertised in the UK 1.63% 2.04% 2.11%
As % of the Job Titles category 1.73% 2.15% 2.22%
Number of daily rates quoted 1,264 1,650 1,450
UK median daily rate £481 £450 £425
Median daily rate % change year-on-year +6.94% +5.88% +3.34%
10th Percentile £325 £313 £306
90th Percentile £625 £613 £575
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% +5.63%
Number of hourly rates quoted 10 4 7
UK median hourly rate £42.25 £46.25 £42.50
Median hourly rate % change year-on-year -8.65% +8.82% +70.67%
10th Percentile £34.90 £35.14 £26.50
90th Percentile £52.70 £48.75 £45.40
UK excluding London median hourly rate £48.50 £45.00 £42.75
% change year-on-year +7.78% +5.26% +89.66%

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 90,071 95,967 87,312
% of contract IT jobs with a recognized job title 94.58% 94.93% 94.89%
Number of daily rates quoted 59,547 63,121 56,727
UK median daily rate £465 £450 £425
Median daily rate % change year-on-year +3.33% +5.88% +1.19%
10th Percentile £275 £263 £258
90th Percentile £650 £635 £613
UK excluding London median daily rate £425 £410 £400
% change year-on-year +3.66% +2.50% +3.90%
Number of hourly rates quoted 2,813 2,950 2,999
UK median hourly rate £18.70 £18.50 £19.00
Median hourly rate % change year-on-year +1.08% -2.63% -2.56%
10th Percentile £11.02 £10.76 £10.75
90th Percentile £50.00 £48.57 £48.75
UK excluding London median hourly rate £17.50 £17.50 £18.00
% change year-on-year - -2.78% -5.26%

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 23 April 2019.

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
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing JavaScript Developer over the 6 months to 23 April 2019.

Contractor hourly rate histogram for JavaScript Developer in the UK

JavaScript Developer
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 JavaScript Developer within the UK over the 6 months to 23 April 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 -45 1,466 £488 +6.21% 622
London -19 932 £500 - 282
UK excluding London -64 581 £425 +6.25% 364
South East -67 193 £450 +5.88% 84
North of England -30 191 £425 +9.68% 97
North West +3 110 £425 +9.32% 50
Yorkshire -33 74 £425 +7.94% 41
South West +4 72 £425 +15.65% 55
Midlands -54 47 £350 +2.94% 71
Scotland -15 44 £410 +2.50% 8
West Midlands -42 26 £338 -3.57% 38
East Midlands -13 21 £363 +6.62% 33
East of England -22 20 £423 -0.59% 33
Wales +10 11 £450 -5.26% 12
North East -5 7 £438 +25.00% 6

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills

For the 6 months to 23 April 2019, 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 1,556 (100.00%) JavaScript
2 882 (56.68%) HTML
3 831 (53.41%) CSS
4 786 (50.51%) React
5 737 (47.37%) Agile Software Development
6 642 (41.26%) Node.js
7 618 (39.72%) AngularJS
8 467 (30.01%) HTML5
9 424 (27.25%) Front End Development
10 421 (27.06%) TDD
11 319 (20.50%) Git (software)
12 281 (18.06%) CSS3
13 273 (17.54%) ES6
14 260 (16.71%) Finance
15 240 (15.42%) .NET
16 239 (15.36%) Java
17 232 (14.91%) Redux
18 217 (13.95%) Web Development
19 211 (13.56%) TypeScript
20 205 (13.17%) Sass
20 205 (13.17%) MVC
21 190 (12.21%) jQuery
22 183 (11.76%) C#
23 177 (11.38%) Scrum
24 175 (11.25%) User Experience
25 169 (10.86%) DevOps
25 169 (10.86%) Twitter Bootstrap
26 166 (10.67%) Test Automation
27 160 (10.28%) Microservices
28 157 (10.09%) Amazon AWS

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 34 (2.19%) CMS
1 34 (2.19%) Elasticsearch
2 21 (1.35%) Confluence
3 18 (1.16%) WordPress
4 8 (0.51%) SharePoint
5 6 (0.39%) Drupal
5 6 (0.39%) Umbraco
5 6 (0.39%) WebSphere
6 5 (0.32%) Sitecore CMS
6 5 (0.32%) Tomcat
7 4 (0.26%) Adobe Experience Manager
7 4 (0.26%) Apache
7 4 (0.26%) Apache Spark
7 4 (0.26%) Magnolia
7 4 (0.26%) Skype for Business
8 3 (0.19%) Cloud Foundry
8 3 (0.19%) nginx
9 2 (0.13%) Documentum
9 2 (0.13%) EPiServer
9 2 (0.13%) IIS
Applications
1 17 (1.09%) Photoshop
2 5 (0.32%) Adobe Illustrator
3 4 (0.26%) Chatbot
4 3 (0.19%) Microsoft Excel
5 1 (0.064%) Fireworks
5 1 (0.064%) InVision
5 1 (0.064%) Microsoft PowerPoint
Business Applications
1 11 (0.71%) Magento
2 3 (0.19%) R3 Corda
2 3 (0.19%) Shopify
3 2 (0.13%) Oracle BPM
3 2 (0.13%) SDL Web 8
4 1 (0.064%) Distributed Ledger
4 1 (0.064%) Dynamics CRM
4 1 (0.064%) Eloqua
4 1 (0.064%) Fredhopper
4 1 (0.064%) Infor M3
4 1 (0.064%) NetSuite
4 1 (0.064%) OpenCart
4 1 (0.064%) Quorum
4 1 (0.064%) Ripple XRP
4 1 (0.064%) Salesforce.com CRM
4 1 (0.064%) Zen Cart
Cloud Services
1 157 (10.09%) Amazon AWS
2 139 (8.93%) Microsoft Azure
3 93 (5.98%) Serverless
4 50 (3.21%) AWS Lambda
5 42 (2.70%) GitHub
6 39 (2.51%) npm
7 36 (2.31%) Amazon EC2
8 35 (2.25%) OpenShift
9 33 (2.12%) Amazon S3
10 31 (1.99%) Amazon SQS
11 30 (1.93%) Google Cloud Platform
12 27 (1.74%) AWS Elastic Beanstalk
13 16 (1.03%) PaaS
14 15 (0.96%) SaaS
15 9 (0.58%) Apigee
16 8 (0.51%) Google App Engine
16 8 (0.51%) Google Tag Manager
16 8 (0.51%) IaaS
17 7 (0.45%) Google Analytics
18 6 (0.39%) Heroku
Communications & Networking
1 25 (1.61%) HTTP
2 13 (0.84%) Internet
3 8 (0.51%) SSL
4 5 (0.32%) Skype
5 4 (0.26%) AMQP
6 3 (0.19%) DHCP
6 3 (0.19%) TCP/IP
7 2 (0.13%) DNS
7 2 (0.13%) FTP
7 2 (0.13%) IPsec
8 1 (0.064%) Ethernet
8 1 (0.064%) Gigabit Ethernet
8 1 (0.064%) VoIP
8 1 (0.064%) WEP
8 1 (0.064%) Wireshark
Database & Business Intelligence
1 81 (5.21%) SQL Server
2 74 (4.76%) MongoDB
3 63 (4.05%) MySQL
4 61 (3.92%) NoSQL
5 32 (2.06%) PostgreSQL
6 29 (1.86%) Amazon RDS
7 26 (1.67%) Amazon Redshift
8 25 (1.61%) Relational Database
9 22 (1.41%) Blockchain
10 20 (1.29%) Redis
11 19 (1.22%) Big Data
12 15 (0.96%) Apache Cassandra
13 13 (0.84%) Data Lake
14 10 (0.64%) RDBMS
15 5 (0.32%) Azure SQL Database
15 5 (0.32%) Parquet
15 5 (0.32%) SQL Server 2008
15 5 (0.32%) SQL Server Integration Services
16 4 (0.26%) Neo4j
16 4 (0.26%) SQL Server 2012
Development Applications
1 319 (20.50%) Git (software)
2 113 (7.26%) webpack
3 93 (5.98%) gulp
4 90 (5.78%) Jenkins
5 85 (5.46%) Grunt
5 85 (5.46%) Jasmine
6 63 (4.05%) JIRA
6 63 (4.05%) Mocha
7 50 (3.21%) Selenium
8 49 (3.15%) Subversion
9 43 (2.76%) Karma Test Runner
10 40 (2.57%) Bitbucket
11 39 (2.51%) GitLab
12 37 (2.38%) Cucumber
13 35 (2.25%) Visual Studio Team System
14 29 (1.86%) Babel
15 27 (1.74%) Artifactory
16 23 (1.48%) Protractor
17 19 (1.22%) Maven
18 16 (1.03%) git-flow
General
1 260 (16.71%) Finance
2 82 (5.27%) Banking
3 45 (2.89%) Retail
4 38 (2.44%) Front Office
5 35 (2.25%) Marketing
6 25 (1.61%) Publishing
7 19 (1.22%) Games
8 16 (1.03%) Law
9 12 (0.77%) Telecoms
10 8 (0.51%) Investment Banking
10 8 (0.51%) Legal
11 6 (0.39%) Manufacturing
12 5 (0.32%) Advertising
12 5 (0.32%) Automotive
12 5 (0.32%) Financial Institution
13 4 (0.26%) Private Banking
14 3 (0.19%) Billing
14 3 (0.19%) Electronics
15 2 (0.13%) Multimedia
16 1 (0.064%) Aerospace
Libraries, Frameworks & Software Standards
1 882 (56.68%) HTML
2 831 (53.41%) CSS
3 786 (50.51%) React
4 642 (41.26%) Node.js
5 618 (39.72%) AngularJS
6 467 (30.01%) HTML5
7 281 (18.06%) CSS3
8 240 (15.42%) .NET
9 232 (14.91%) Redux
10 205 (13.17%) Sass
11 190 (12.21%) jQuery
12 169 (10.86%) Twitter Bootstrap
13 149 (9.58%) REST
14 144 (9.25%) Vue.js
15 135 (8.68%) RESTful
16 125 (8.03%) Web Services
17 110 (7.07%) GraphQL
18 107 (6.88%) Express
19 95 (6.11%) ASP.NET
20 76 (4.88%) Jest
Miscellaneous
1 175 (11.25%) User Experience
2 109 (7.01%) Greenfield Project
3 67 (4.31%) Fintech
4 66 (4.24%) Mobile App
5 48 (3.08%) Analytical Skills
6 27 (1.74%) Self-Motivation
7 23 (1.48%) Algorithms
8 20 (1.29%) Data Structures
9 17 (1.09%) Video on Demand
9 17 (1.09%) Virtual Team
10 15 (0.96%) Linux Command Line
11 13 (0.84%) Video\Live Streaming
12 9 (0.58%) Enterprise Software
13 8 (0.51%) Cloud Native
13 8 (0.51%) Fixed Income
14 7 (0.45%) Hedge funds
14 7 (0.45%) W3C
15 6 (0.39%) Digital Media
15 6 (0.39%) Over-the-Top Content
16 4 (0.26%) Graphic Design
Operating Systems
1 70 (4.50%) Linux
2 34 (2.19%) Unix
3 18 (1.16%) Android
3 18 (1.16%) Apple iOS
4 14 (0.90%) Windows
5 8 (0.51%) Mac OS X
6 7 (0.45%) Mac OS
7 5 (0.32%) CentOS
8 4 (0.26%) Red Hat Enterprise Linux
9 2 (0.13%) VMS
10 1 (0.064%) Tizen
10 1 (0.064%) Ubuntu
10 1 (0.064%) webOS
10 1 (0.064%) zOS
Processes & Methodologies
1 737 (47.37%) Agile Software Development
2 424 (27.25%) Front End Development
3 421 (27.06%) TDD
4 217 (13.95%) Web Development
5 205 (13.17%) MVC
6 177 (11.38%) Scrum
7 169 (10.86%) DevOps
8 166 (10.67%) Test Automation
9 160 (10.28%) Microservices
10 156 (10.03%) BDD
11 140 (9.00%) OO
12 125 (8.03%) Software Engineering
13 114 (7.33%) Continuous Integration
14 104 (6.68%) E-Commerce
15 87 (5.59%) Pair Programming
15 87 (5.59%) Responsive Web Design
16 80 (5.14%) Open Source
17 70 (4.50%) Kanban
18 69 (4.43%) Unit Testing
19 57 (3.66%) OOP
Programming Languages
1 1,556 (100.00%) JavaScript
2 273 (17.54%) ES6
3 239 (15.36%) Java
4 211 (13.56%) TypeScript
5 183 (11.76%) C#
6 141 (9.06%) SQL
7 80 (5.14%) Python
8 62 (3.98%) PHP
9 42 (2.70%) ES7
10 33 (2.12%) Java 8
11 31 (1.99%) Go
12 20 (1.29%) Ruby
13 16 (1.03%) Bash Shell
14 15 (0.96%) C
14 15 (0.96%) JSX
14 15 (0.96%) T-SQL
15 14 (0.90%) Scala
16 12 (0.77%) C++
17 10 (0.64%) Perl
18 9 (0.58%) VB.NET
Qualifications
1 51 (3.28%) Degree
2 23 (1.48%) Security Cleared
3 16 (1.03%) SC Cleared
4 10 (0.64%) BPSS Clearance
5 8 (0.51%) Computer Science Degree
6 5 (0.32%) DBS Check
7 2 (0.13%) DV Cleared
8 1 (0.064%) MCSD
8 1 (0.064%) Microsoft Certification
Quality Assurance & Compliance
1 44 (2.83%) QA
2 8 (0.51%) WCAG
3 2 (0.13%) Disclosure Scotland
3 2 (0.13%) WAI
4 1 (0.064%) GDPR
System Software
1 132 (8.48%) Docker
2 4 (0.26%) VMware Infrastructure
3 2 (0.13%) Virtual Machines
4 1 (0.064%) Apache ZooKeeper
4 1 (0.064%) vSphere
4 1 (0.064%) Xen
4 1 (0.064%) zsh
Systems Management
1 87 (5.59%) Kubernetes
2 67 (4.31%) Terraform
3 35 (2.25%) Ansible
4 8 (0.51%) Kibana
5 7 (0.45%) Puppet
6 5 (0.32%) Opscode Chef
7 3 (0.19%) Docker Swarm
7 3 (0.19%) logstash
8 2 (0.13%) Grafana
9 1 (0.064%) HP ALM
9 1 (0.064%) NetIQ Identity Manager
9 1 (0.064%) nmon
9 1 (0.064%) Oracle Enterprise Manager
9 1 (0.064%) WSUS
Vendors
1 62 (3.98%) Google
2 39 (2.51%) Microsoft
3 31 (1.99%) Oracle
4 19 (1.22%) Cypress Semiconductor
5 18 (1.16%) Adobe
6 14 (0.90%) Splunk
7 12 (0.77%) Atlassian
8 8 (0.51%) ServiceNow
8 8 (0.51%) Sitecore
9 6 (0.39%) Sencha
9 6 (0.39%) VMware
10 5 (0.32%) Twitter
11 4 (0.26%) SAP
11 4 (0.26%) Zend
12 3 (0.19%) MEDITECH
12 3 (0.19%) Salesforce.com
12 3 (0.19%) Sonatype
12 3 (0.19%) WooCommerce
13 2 (0.13%) Instagram
13 2 (0.13%) YouTube