Period
to 18 October 2018

The median contractor rate for a JavaScript Developer was £475 per day in advertised job vacancies during the 6 months to 18 October 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
18 Oct 2018
Same period 2017 Same period 2016
Rank 139 109 116
Rank change year-on-year -30 +7 -1
Contract jobs requiring a JavaScript Developer 1,966 2,256 2,256
As % of all contract IT jobs advertised in the UK 1.91% 2.27% 2.12%
As % of the Job Titles category 2.01% 2.39% 2.23%
Number of daily rates quoted 1,609 1,798 1,784
UK median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +8.97%
10th Percentile £325 £313 £306
90th Percentile £625 £625 £563
UK excluding London median daily rate £404 £400 £375
% change year-on-year +0.88% +6.67% +7.14%
Number of hourly rates quoted 5 12 6
UK median hourly rate £47.50 £42.06 £46.25
Median hourly rate % change year-on-year +12.95% -9.07% +10.12%
10th Percentile £42.50 £37.00 £35.75
90th Percentile £52.50 £49.75 £94.00
UK excluding London median hourly rate £45.00 £42.50 £36.50
% change year-on-year +5.88% +16.44% -13.10%

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 97,688 94,343 101,051
% of contract IT jobs with a recognized job title 94.75% 94.91% 94.84%
Number of daily rates quoted 64,226 61,914 65,863
UK median daily rate £450 £440 £425
Median daily rate % change year-on-year +2.27% +3.53% +6.25%
10th Percentile £268 £263 £250
90th Percentile £638 £625 £600
UK excluding London median daily rate £415 £400 £390
% change year-on-year +3.75% +2.56% +4.00%
Number of hourly rates quoted 3,139 2,819 3,291
UK median hourly rate £18.00 £18.70 £18.28
Median hourly rate % change year-on-year -3.74% +2.33% +1.58%
10th Percentile £11.00 £10.78 £10.50
90th Percentile £48.75 £48.75 £47.00
UK excluding London median hourly rate £17.50 £18.00 £17.68
% change year-on-year -2.78% +1.84% +1.00%

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 18 October 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 18 October 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 -28 1,869 £475 +5.56% 577
London -18 1,157 £500 - 239
UK excluding London -39 793 £404 +0.88% 358
South East 0 294 £425 - 90
North of England -45 211 £400 +3.23% 117
Yorkshire -32 116 £413 +3.13% 51
Midlands -50 95 £350 -5.41% 46
North West -38 89 £387 +3.20% 62
Scotland -32 72 £406 +1.56% 11
South West -9 65 £400 +10.34% 34
West Midlands -13 53 £350 - 21
East of England -22 45 £433 +13.44% 51
East Midlands -33 42 £350 -6.67% 25
Wales -15 10 £525 +20.00% 5
North East -6 6 £350 -6.67% 4
Northern Ireland +10 1 £433 +4.85% 4

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills

For the 6 months to 18 October 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 1,966 (100.00%) JavaScript
2 1,121 (57.02%) HTML
3 1,067 (54.27%) CSS
4 966 (49.14%) React
5 822 (41.81%) Agile Software Development
6 795 (40.44%) Node.js
7 757 (38.50%) AngularJS
8 632 (32.15%) Front End Development
9 547 (27.82%) HTML5
10 514 (26.14%) TDD
11 403 (20.50%) Redux
12 377 (19.18%) CSS3
13 353 (17.96%) jQuery
14 323 (16.43%) Git (software)
15 292 (14.85%) ES6
15 292 (14.85%) Sass
16 287 (14.60%) Finance
17 284 (14.45%) .NET
18 279 (14.19%) Java
19 270 (13.73%) Web Development
20 268 (13.63%) C#
21 237 (12.05%) TypeScript
22 227 (11.55%) MVC
23 216 (10.99%) User Experience
24 209 (10.63%) Scrum
25 200 (10.17%) BDD
26 191 (9.72%) SQL
26 191 (9.72%) OO
27 188 (9.56%) RESTful
28 182 (9.26%) Greenfield Project

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 58 (2.95%) CMS
2 35 (1.78%) WordPress
3 24 (1.22%) Elasticsearch
4 21 (1.07%) Apache
5 17 (0.86%) Drupal
6 16 (0.81%) Confluence
7 15 (0.76%) Apache Spark
7 15 (0.76%) Tomcat
8 13 (0.66%) Adobe Experience Manager
9 10 (0.51%) WebSphere
10 8 (0.41%) SharePoint
10 8 (0.41%) Sitecore CMS
11 6 (0.31%) IBM Domino
11 6 (0.31%) Umbraco
11 6 (0.31%) WebSphere Application Server
12 5 (0.25%) Cloud Foundry
13 4 (0.20%) Apache Solr
13 4 (0.20%) nginx
13 4 (0.20%) OpenStack
13 4 (0.20%) WebLogic
Applications
1 40 (2.03%) Photoshop
2 12 (0.61%) Fireworks
3 9 (0.46%) Adobe Creative Suite
4 8 (0.41%) GIMP
5 7 (0.36%) Chatbot
6 4 (0.20%) InVision
7 3 (0.15%) Adobe Illustrator
8 2 (0.10%) Acrobat
9 1 (0.051%) Maya
9 1 (0.051%) SketchUp
Business Applications
1 17 (0.86%) Magento
2 13 (0.66%) ION MarketView
3 8 (0.41%) Dynamics CRM
4 4 (0.20%) Payment Gateway
5 2 (0.10%) Dynamics NAV
5 2 (0.10%) Eloqua
5 2 (0.10%) Remedy ITSM
6 1 (0.051%) OpenCart
6 1 (0.051%) RMDS
6 1 (0.051%) SAP Oil and Gas
6 1 (0.051%) Shopify
Cloud Services
1 179 (9.10%) Amazon AWS
2 136 (6.92%) Microsoft Azure
3 85 (4.32%) npm
4 73 (3.71%) Serverless
5 50 (2.54%) GitHub
6 48 (2.44%) AWS Lambda
7 24 (1.22%) SaaS
8 23 (1.17%) Yarn
9 19 (0.97%) Amazon SQS
10 15 (0.76%) Google Cloud Platform
11 11 (0.56%) Amazon Kinesis
11 11 (0.56%) PaaS
12 9 (0.46%) Dynamics 365
13 7 (0.36%) Amazon S3
13 7 (0.36%) AWS CloudFormation
13 7 (0.36%) Heroku
14 6 (0.31%) Amazon EC2
15 5 (0.25%) Office 365
15 5 (0.25%) OpenShift
16 4 (0.20%) Twilio
Communications & Networking
1 29 (1.48%) HTTP
2 24 (1.22%) Internet
3 8 (0.41%) RTMP
4 6 (0.31%) AMQP
4 6 (0.31%) SMS
5 3 (0.15%) ATM
5 3 (0.15%) SSL
5 3 (0.15%) VoIP
6 2 (0.10%) Intranet
6 2 (0.10%) WEP
7 1 (0.051%) Bluetooth
7 1 (0.051%) FTP
7 1 (0.051%) HTTPS
7 1 (0.051%) Kerberos
7 1 (0.051%) Reverse Proxy
7 1 (0.051%) SSH
7 1 (0.051%) Wi-Fi
Database & Business Intelligence
1 108 (5.49%) SQL Server
2 82 (4.17%) MySQL
3 79 (4.02%) MongoDB
4 74 (3.76%) NoSQL
5 37 (1.88%) Relational Database
6 34 (1.73%) Amazon DynamoDB
7 33 (1.68%) Big Data
8 27 (1.37%) PostgreSQL
9 22 (1.12%) Azure SQL Database
10 17 (0.86%) Apache Cassandra
11 15 (0.76%) Blockchain
11 15 (0.76%) Redis
12 14 (0.71%) Hadoop
13 10 (0.51%) HBase
14 9 (0.46%) Cosmos DB
15 8 (0.41%) Endeca
15 8 (0.41%) RDBMS
16 7 (0.36%) SQL Server 2008
16 7 (0.36%) SQL Server Integration Services
17 5 (0.25%) Riak
Development Applications
1 323 (16.43%) Git (software)
2 135 (6.87%) webpack
3 132 (6.71%) gulp
4 99 (5.04%) Jasmine
5 91 (4.63%) Jenkins
6 83 (4.22%) Mocha
7 79 (4.02%) Grunt
8 72 (3.66%) Selenium
9 70 (3.56%) Babel
10 69 (3.51%) JIRA
11 57 (2.90%) Karma Test Runner
11 57 (2.90%) Subversion
12 50 (2.54%) Cucumber
13 30 (1.53%) Visual Studio
14 23 (1.17%) Team Foundation Server
15 22 (1.12%) Protractor
16 21 (1.07%) PhantomJS
17 18 (0.92%) WebDriver
18 17 (0.86%) Maven
19 16 (0.81%) TeamCity
General
1 287 (14.60%) Finance
2 120 (6.10%) Banking
3 93 (4.73%) Retail
4 83 (4.22%) Front Office
5 43 (2.19%) Games
6 40 (2.03%) Investment Banking
7 26 (1.32%) Marketing
8 23 (1.17%) Advertising
9 21 (1.07%) Law
9 21 (1.07%) Telecoms
10 17 (0.86%) Publishing
11 10 (0.51%) Financial Institution
12 9 (0.46%) Back Office
12 9 (0.46%) Interactive Media
13 7 (0.36%) Legal
14 5 (0.25%) Aerospace
14 5 (0.25%) Manufacturing
14 5 (0.25%) Multimedia
15 4 (0.20%) Electronics
15 4 (0.20%) Prime Brokerage
Libraries, Frameworks & Software Standards
1 1,121 (57.02%) HTML
2 1,067 (54.27%) CSS
3 966 (49.14%) React
4 795 (40.44%) Node.js
5 757 (38.50%) AngularJS
6 547 (27.82%) HTML5
7 403 (20.50%) Redux
8 377 (19.18%) CSS3
9 353 (17.96%) jQuery
10 292 (14.85%) Sass
11 284 (14.45%) .NET
12 188 (9.56%) RESTful
13 172 (8.75%) REST
14 152 (7.73%) ASP.NET
15 140 (7.12%) Twitter Bootstrap
16 119 (6.05%) LESS
17 115 (5.85%) Web Services
18 112 (5.70%) Vue.js
19 101 (5.14%) React Native
20 94 (4.78%) JSON
Miscellaneous
1 216 (10.99%) User Experience
2 182 (9.26%) Greenfield Project
3 87 (4.43%) Mobile App
4 74 (3.76%) Fintech
5 44 (2.24%) Fixed Income
6 42 (2.14%) Computer Science
7 33 (1.68%) Algorithms
8 23 (1.17%) Data Structures
8 23 (1.17%) W3C
9 22 (1.12%) Analytical Skills
9 22 (1.12%) Cloud Native
10 20 (1.02%) Blog
11 18 (0.92%) Enterprise Software
12 16 (0.81%) Derivative
13 13 (0.66%) Linux Command Line
14 12 (0.61%) Foreign Exchange (FX)
14 12 (0.61%) Self-Motivation
15 11 (0.56%) Digital Media
16 9 (0.46%) Video on Demand
17 8 (0.41%) Hedge funds
Operating Systems
1 63 (3.20%) Linux
2 38 (1.93%) Android
3 33 (1.68%) Apple iOS
4 25 (1.27%) Windows
5 20 (1.02%) Unix
6 5 (0.25%) Windows Server 2012
7 4 (0.20%) Windows Server 2003
8 2 (0.10%) Windows Server
8 2 (0.10%) Windows Server 2008
Processes & Methodologies
1 822 (41.81%) Agile Software Development
2 632 (32.15%) Front End Development
3 514 (26.14%) TDD
4 270 (13.73%) Web Development
5 227 (11.55%) MVC
6 209 (10.63%) Scrum
7 200 (10.17%) BDD
8 191 (9.72%) OO
9 178 (9.05%) Test Automation
10 165 (8.39%) Microservices
11 157 (7.99%) Continuous Integration
12 155 (7.88%) E-Commerce
13 142 (7.22%) Software Engineering
14 130 (6.61%) DevOps
15 112 (5.70%) Unit Testing
16 106 (5.39%) Responsive Web Design
17 81 (4.12%) Pair Programming
18 77 (3.92%) Analytics
19 75 (3.81%) Problem-Solving
20 60 (3.05%) Continuous Delivery
Programming Languages
1 1,966 (100.00%) JavaScript
2 292 (14.85%) ES6
3 279 (14.19%) Java
4 268 (13.63%) C#
5 237 (12.05%) TypeScript
6 191 (9.72%) SQL
7 96 (4.88%) Python
8 92 (4.68%) PHP
9 51 (2.59%) Java 8
10 38 (1.93%) ES7
11 27 (1.37%) Ruby
12 23 (1.17%) C++
13 22 (1.12%) Scala
14 16 (0.81%) T-SQL
15 14 (0.71%) Go
15 14 (0.71%) JSX
15 14 (0.71%) PHP 7
15 14 (0.71%) PL/SQL
16 11 (0.56%) C
17 8 (0.41%) ES8
Qualifications
1 63 (3.20%) Degree
2 45 (2.29%) Security Cleared
3 36 (1.83%) SC Cleared
4 16 (0.81%) Computer Science Degree
5 6 (0.31%) Microsoft Certification
6 5 (0.25%) ITIL Certification
7 4 (0.20%) DV Cleared
8 2 (0.10%) DBS Check
8 2 (0.10%) MCP
8 2 (0.10%) MCSE
8 2 (0.10%) Sun Certification
9 1 (0.051%) BC Cleared
9 1 (0.051%) CTC Cleared
9 1 (0.051%) Master's Degree
9 1 (0.051%) MOS
Quality Assurance & Compliance
1 37 (1.88%) QA
2 16 (0.81%) WCAG
3 7 (0.36%) GDPR
4 6 (0.31%) Data Quality
5 2 (0.10%) ISO/IEC 27001
5 2 (0.10%) PCI DSS
5 2 (0.10%) Solvency II
5 2 (0.10%) WAI
System Software
1 130 (6.61%) Docker
2 7 (0.36%) Active Directory
3 6 (0.31%) HDFS
4 2 (0.10%) Apache ZooKeeper
5 1 (0.051%) Ceph
5 1 (0.051%) etcd
5 1 (0.051%) Varnish
5 1 (0.051%) VirtualBox
Systems Management
1 24 (1.22%) Terraform
2 19 (0.97%) Kubernetes
3 15 (0.76%) Puppet
4 12 (0.61%) Ansible
5 4 (0.20%) Docker Swarm
6 3 (0.15%) Grafana
6 3 (0.15%) Opscode Chef
6 3 (0.15%) Single Sign-On
7 2 (0.10%) HAProxy
7 2 (0.10%) Prometheus
8 1 (0.051%) Business Desktop Deployment
8 1 (0.051%) Cobbler
8 1 (0.051%) Consul
8 1 (0.051%) Graphite
8 1 (0.051%) Marathon
8 1 (0.051%) Mesos
8 1 (0.051%) Salt
Vendors
1 83 (4.22%) Microsoft
2 46 (2.34%) Adobe
3 29 (1.48%) Google
4 27 (1.37%) Oracle
5 26 (1.32%) hybris
6 13 (0.66%) ION Trading
7 12 (0.61%) IBM
8 9 (0.46%) Apiary
9 8 (0.41%) Sitecore
10 7 (0.36%) Demandware
10 7 (0.36%) Twitter
11 6 (0.31%) ATG
11 6 (0.31%) Cypress Semiconductor
11 6 (0.31%) MapR
11 6 (0.31%) ServiceNow
12 5 (0.25%) Facebook
12 5 (0.25%) SAP
12 5 (0.25%) Sybase
13 3 (0.15%) Apple
13 3 (0.15%) Salesforce.com