Period
to 12 December 2018

The median contractor rate for a JavaScript Developer was £475 per day in advertised job vacancies during the 6 months to 12 December 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
12 Dec 2018
Same period 2017 Same period 2016
Rank 142 118 108
Rank change year-on-year -24 -10 -3
Contract jobs requiring a JavaScript Developer 1,977 2,211 2,298
As % of all contract IT jobs advertised in the UK 1.88% 2.14% 2.22%
As % of the Job Titles category 1.98% 2.25% 2.35%
Number of daily rates quoted 1,629 1,781 1,805
UK median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £325 £313 £306
90th Percentile £625 £613 £572
UK excluding London median daily rate £413 £388 £380
% change year-on-year +6.45% +1.97% +8.57%
Number of hourly rates quoted 7 10 7
UK median hourly rate £45.00 £42.06 £42.50
Median hourly rate % change year-on-year +7.00% -1.05% +1.19%
10th Percentile £35.00 £37.00 £29.95
90th Percentile £51.25 £47.75 £92.80
UK excluding London median hourly rate £45.00 £42.06 £36.50
% change year-on-year +7.00% +15.22% -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 99,762 98,112 97,941
% of contract IT jobs with a recognized job title 94.74% 94.94% 94.77%
Number of daily rates quoted 66,043 64,977 63,883
UK median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88% +4.94%
10th Percentile £270 £258 £250
90th Percentile £638 £625 £600
UK excluding London median daily rate £425 £400 £393
% change year-on-year +6.25% +1.91% +4.67%
Number of hourly rates quoted 3,065 2,872 3,318
UK median hourly rate £18.12 £18.70 £18.00
Median hourly rate % change year-on-year -3.13% +3.89% -
10th Percentile £11.00 £10.75 £10.50
90th Percentile £48.75 £47.83 £47.50
UK excluding London median hourly rate £17.50 £18.00 £17.50
% change year-on-year -2.78% +2.86% -

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 12 December 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
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing JavaScript Developer over the 6 months to 12 December 2018.

Contractor hourly rate histogram 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 12 December 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 -30 1,863 £475 +5.56% 608
London -13 1,165 £500 - 302
UK excluding London -37 776 £413 +6.45% 323
South East +5 306 £425 -2.86% 74
North of England -44 199 £400 +6.67% 107
Yorkshire -21 113 £405 +6.58% 45
North West -46 82 £400 +6.67% 58
South West -17 75 £401 +10.48% 35
Scotland -17 74 £425 +6.25% 9
Midlands -49 72 £350 +2.94% 49
West Midlands -15 40 £369 +5.36% 23
East of England -36 36 £425 +13.33% 41
East Midlands -31 32 £350 +2.94% 26
Wales -9 11 £525 +16.67% 4
North East -9 4 £375 - 4
Northern Ireland +15 1 £433 +4.85% 4

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills

For the 6 months to 12 December 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 1,977 (100.00%) JavaScript
2 1,102 (55.74%) HTML
3 1,036 (52.40%) CSS
4 992 (50.18%) React
5 861 (43.55%) Agile Software Development
6 798 (40.36%) Node.js
7 767 (38.80%) AngularJS
8 623 (31.51%) Front End Development
9 552 (27.92%) TDD
10 551 (27.87%) HTML5
11 375 (18.97%) Redux
12 360 (18.21%) CSS3
13 353 (17.86%) jQuery
14 333 (16.84%) Git (software)
15 316 (15.98%) Finance
16 295 (14.92%) .NET
17 291 (14.72%) Java
18 284 (14.37%) C#
19 273 (13.81%) Web Development
19 273 (13.81%) Sass
20 267 (13.51%) ES6
21 251 (12.70%) MVC
22 243 (12.29%) TypeScript
23 231 (11.68%) BDD
24 217 (10.98%) Scrum
25 209 (10.57%) User Experience
26 196 (9.91%) Amazon AWS
27 191 (9.66%) OO
28 188 (9.51%) Test Automation
28 188 (9.51%) RESTful

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 62 (3.14%) CMS
2 37 (1.87%) WordPress
3 21 (1.06%) Elasticsearch
4 20 (1.01%) Drupal
5 17 (0.86%) Confluence
6 16 (0.81%) Apache
7 13 (0.66%) Adobe Experience Manager
8 12 (0.61%) SharePoint
9 11 (0.56%) Sitecore CMS
9 11 (0.56%) Tomcat
10 8 (0.40%) Apache Spark
11 7 (0.35%) WebSphere
12 6 (0.30%) IBM Domino
12 6 (0.30%) Umbraco
13 5 (0.25%) Cloud Foundry
13 5 (0.25%) WebLogic
13 5 (0.25%) WebSphere Application Server
14 4 (0.20%) CoreMedia CMS
14 4 (0.20%) IIS
15 3 (0.15%) EPiServer
Applications
1 32 (1.62%) Photoshop
2 13 (0.66%) Fireworks
3 8 (0.40%) Adobe Creative Suite
3 8 (0.40%) Chatbot
4 4 (0.20%) InVision
5 3 (0.15%) Adobe Illustrator
5 3 (0.15%) GIMP
6 1 (0.051%) Maya
6 1 (0.051%) Microsoft Excel
6 1 (0.051%) Microsoft PowerPoint
6 1 (0.051%) SketchUp
Business Applications
1 15 (0.76%) Magento
2 9 (0.46%) Dynamics CRM
3 2 (0.10%) Eloqua
3 2 (0.10%) Remedy ITSM
3 2 (0.10%) SDL Web 8
3 2 (0.10%) Shopify
4 1 (0.051%) Infor M3
4 1 (0.051%) ION MarketView
4 1 (0.051%) OpenCart
Cloud Services
1 196 (9.91%) Amazon AWS
2 164 (8.30%) Microsoft Azure
3 90 (4.55%) Serverless
4 71 (3.59%) npm
5 56 (2.83%) GitHub
6 55 (2.78%) AWS Lambda
7 33 (1.67%) Google Cloud Platform
8 24 (1.21%) SaaS
9 18 (0.91%) Yarn
10 16 (0.81%) Amazon SQS
10 16 (0.81%) PaaS
11 13 (0.66%) Amazon Kinesis
12 10 (0.51%) AWS CloudFormation
13 9 (0.46%) Dynamics 365
14 8 (0.40%) Google Tag Manager
15 7 (0.35%) Amazon CloudWatch
15 7 (0.35%) Heroku
16 6 (0.30%) Amazon EC2
16 6 (0.30%) Amazon S3
16 6 (0.30%) Apigee
Communications & Networking
1 18 (0.91%) HTTP
1 18 (0.91%) Internet
2 8 (0.40%) AMQP
3 6 (0.30%) SSL
4 4 (0.20%) RTMP
4 4 (0.20%) SMS
4 4 (0.20%) VoIP
5 3 (0.15%) ATM
5 3 (0.15%) Skype
6 2 (0.10%) Intranet
7 1 (0.051%) Bluetooth
7 1 (0.051%) Ethernet
7 1 (0.051%) FTP
7 1 (0.051%) HTTPS
7 1 (0.051%) Kerberos
7 1 (0.051%) SSH
7 1 (0.051%) TCP/IP
7 1 (0.051%) Wi-Fi
Database & Business Intelligence
1 98 (4.96%) SQL Server
2 92 (4.65%) NoSQL
3 87 (4.40%) MySQL
4 84 (4.25%) MongoDB
5 32 (1.62%) Amazon DynamoDB
6 29 (1.47%) PostgreSQL
7 25 (1.26%) Big Data
7 25 (1.26%) Relational Database
8 20 (1.01%) Apache Cassandra
8 20 (1.01%) Azure SQL Database
9 19 (0.96%) Blockchain
10 15 (0.76%) Redis
11 12 (0.61%) RDBMS
11 12 (0.61%) SQL Server 2008
12 10 (0.51%) Data Lake
13 9 (0.46%) Hadoop
14 8 (0.40%) Cosmos DB
15 6 (0.30%) Parquet
15 6 (0.30%) SQL Server Integration Services
16 5 (0.25%) Endeca
Development Applications
1 333 (16.84%) Git (software)
2 128 (6.47%) gulp
3 117 (5.92%) webpack
4 101 (5.11%) Jenkins
5 91 (4.60%) Jasmine
6 87 (4.40%) Mocha
7 79 (4.00%) Selenium
8 73 (3.69%) Grunt
9 65 (3.29%) JIRA
10 57 (2.88%) Babel
11 54 (2.73%) Cucumber
12 52 (2.63%) Karma Test Runner
13 50 (2.53%) Subversion
14 24 (1.21%) Protractor
15 23 (1.16%) Team Foundation Server
15 23 (1.16%) Visual Studio
16 21 (1.06%) PhantomJS
17 19 (0.96%) TeamCity
18 18 (0.91%) Visual Studio Team System
19 16 (0.81%) Octopus Deploy
General
1 316 (15.98%) Finance
2 100 (5.06%) Banking
3 70 (3.54%) Front Office
4 68 (3.44%) Retail
5 40 (2.02%) Games
6 31 (1.57%) Marketing
6 31 (1.57%) Publishing
7 20 (1.01%) Advertising
8 19 (0.96%) Law
8 19 (0.96%) Telecoms
9 18 (0.91%) Investment Banking
10 7 (0.35%) Back Office
10 7 (0.35%) Legal
11 6 (0.30%) Multimedia
12 5 (0.25%) Automotive
13 4 (0.20%) Aerospace
14 3 (0.15%) Financial Institution
14 3 (0.15%) Interactive Media
14 3 (0.15%) Manufacturing
15 2 (0.10%) Pharmaceutical
Libraries, Frameworks & Software Standards
1 1,102 (55.74%) HTML
2 1,036 (52.40%) CSS
3 992 (50.18%) React
4 798 (40.36%) Node.js
5 767 (38.80%) AngularJS
6 551 (27.87%) HTML5
7 375 (18.97%) Redux
8 360 (18.21%) CSS3
9 353 (17.86%) jQuery
10 295 (14.92%) .NET
11 273 (13.81%) Sass
12 188 (9.51%) RESTful
13 180 (9.10%) Twitter Bootstrap
14 166 (8.40%) REST
15 143 (7.23%) ASP.NET
16 122 (6.17%) Vue.js
17 114 (5.77%) Express
18 110 (5.56%) Web Services
19 99 (5.01%) React Native
20 95 (4.81%) LESS
Miscellaneous
1 209 (10.57%) User Experience
2 163 (8.24%) Greenfield Project
3 74 (3.74%) Mobile App
4 71 (3.59%) Fintech
5 33 (1.67%) Analytical Skills
6 32 (1.62%) Fixed Income
7 30 (1.52%) Algorithms
8 26 (1.32%) Data Structures
9 24 (1.21%) Cloud Native
10 20 (1.01%) W3C
11 19 (0.96%) Self-Motivation
12 17 (0.86%) Linux Command Line
12 17 (0.86%) Video on Demand
13 15 (0.76%) Blog
14 14 (0.71%) Digital Media
14 14 (0.71%) Enterprise Software
14 14 (0.71%) Video\Live Streaming
15 11 (0.56%) Derivative
16 10 (0.51%) Foreign Exchange (FX)
17 8 (0.40%) e-Learning
Operating Systems
1 57 (2.88%) Linux
2 24 (1.21%) Windows
3 21 (1.06%) Android
4 18 (0.91%) Apple iOS
5 16 (0.81%) Unix
6 5 (0.25%) Windows Server 2012
7 4 (0.20%) Windows Server 2003
8 3 (0.15%) CentOS
8 3 (0.15%) Red Hat Enterprise Linux
9 2 (0.10%) VMS
9 2 (0.10%) Windows Server
9 2 (0.10%) Windows Server 2008
10 1 (0.051%) Mac OS
Processes & Methodologies
1 861 (43.55%) Agile Software Development
2 623 (31.51%) Front End Development
3 552 (27.92%) TDD
4 273 (13.81%) Web Development
5 251 (12.70%) MVC
6 231 (11.68%) BDD
7 217 (10.98%) Scrum
8 191 (9.66%) OO
9 188 (9.51%) Microservices
9 188 (9.51%) Test Automation
10 167 (8.45%) Continuous Integration
11 143 (7.23%) E-Commerce
12 141 (7.13%) Software Engineering
13 130 (6.58%) DevOps
14 120 (6.07%) Pair Programming
15 103 (5.21%) Unit Testing
16 99 (5.01%) Responsive Web Design
17 82 (4.15%) Analytics
18 69 (3.49%) Kanban
19 60 (3.03%) Problem-Solving
Programming Languages
1 1,977 (100.00%) JavaScript
2 291 (14.72%) Java
3 284 (14.37%) C#
4 267 (13.51%) ES6
5 243 (12.29%) TypeScript
6 183 (9.26%) SQL
7 103 (5.21%) Python
8 95 (4.81%) PHP
9 55 (2.78%) Java 8
10 28 (1.42%) ES7
11 23 (1.16%) Ruby
12 22 (1.11%) C++
13 16 (0.81%) Go
13 16 (0.81%) T-SQL
14 14 (0.71%) PL/SQL
15 13 (0.66%) C
15 13 (0.66%) PHP 7
16 12 (0.61%) Scala
17 11 (0.56%) VB.NET
18 10 (0.51%) Perl
Qualifications
1 69 (3.49%) Degree
2 34 (1.72%) Security Cleared
3 27 (1.37%) SC Cleared
4 16 (0.81%) Computer Science Degree
5 6 (0.30%) Microsoft Certification
6 5 (0.25%) DV Cleared
7 3 (0.15%) DBS Check
8 2 (0.10%) BPSS Clearance
8 2 (0.10%) MCP
8 2 (0.10%) MCSE
8 2 (0.10%) Sun Certification
9 1 (0.051%) ITIL Certification
9 1 (0.051%) Master's Degree
9 1 (0.051%) MOS
Quality Assurance & Compliance
1 55 (2.78%) QA
2 15 (0.76%) WCAG
3 3 (0.15%) GDPR
4 2 (0.10%) ISO/IEC 27001
5 1 (0.051%) Data Quality
5 1 (0.051%) WAI
System Software
1 156 (7.89%) Docker
2 6 (0.30%) Active Directory
3 3 (0.15%) HDFS
4 2 (0.10%) Apache ZooKeeper
5 1 (0.051%) Ceph
5 1 (0.051%) etcd
5 1 (0.051%) Varnish
Systems Management
1 36 (1.82%) Kubernetes
2 25 (1.26%) Terraform
3 11 (0.56%) Ansible
4 9 (0.46%) Puppet
5 6 (0.30%) Docker Swarm
6 4 (0.20%) Kibana
6 4 (0.20%) Single Sign-On
7 3 (0.15%) Grafana
8 2 (0.10%) logstash
8 2 (0.10%) Opscode Chef
8 2 (0.10%) Prometheus
9 1 (0.051%) Cobbler
9 1 (0.051%) Consul
9 1 (0.051%) Graphite
9 1 (0.051%) HAProxy
9 1 (0.051%) Marathon
9 1 (0.051%) Mesos
Vendors
1 79 (4.00%) Microsoft
2 55 (2.78%) Google
3 44 (2.23%) Adobe
4 35 (1.77%) Oracle
5 19 (0.96%) hybris
6 13 (0.66%) Cypress Semiconductor
6 13 (0.66%) Sitecore
7 11 (0.56%) IBM
8 10 (0.51%) Splunk
9 9 (0.46%) Apiary
10 8 (0.40%) ServiceNow
11 6 (0.30%) Demandware
12 5 (0.25%) ATG
13 4 (0.20%) Apple
13 4 (0.20%) Twitter
13 4 (0.20%) Zend
14 3 (0.15%) MapR
14 3 (0.15%) Salesforce.com
14 3 (0.15%) WooCommerce
15 2 (0.10%) Atlassian