Period
to 18 January 2019

The median contractor rate for a JavaScript Developer was £425 per day in advertised job vacancies in the South East during the 6 months to 18 January 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
England > South East
6 months to
18 Jan 2019
Same period 2018 Same period 2017
Rank 157 145 125
Rank change year-on-year -12 -20 -19
Contract jobs requiring a JavaScript Developer 256 283 274
As % of all contract IT jobs advertised in the South East 1.60% 1.72% 1.77%
As % of the Job Titles category 1.70% 1.82% 1.89%
Number of daily rates quoted 177 227 174
South East median daily rate £425 £450 £400
Median daily rate % change year-on-year -5.56% +12.50% +8.47%
10th Percentile £342 £310 £311
90th Percentile £565 £550 £511
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +6.25%
Number of hourly rates quoted 0 3 3
South East median hourly rate - £45.00 £36.50
Median hourly rate % change year-on-year - +23.29% +143.33%
England median hourly rate £47.50 £45.00 £46.00
% change year-on-year +5.56% -2.17% +9.52%

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in the South East. 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
South East
Contract vacancies in the South East with a recognized job title 15,096 15,538 14,506
% of contract IT jobs with a recognized job title 94.31% 94.23% 93.79%
Number of daily rates quoted 9,065 9,299 8,578
South East median daily rate £434 £425 £400
Median daily rate % change year-on-year +2.06% +6.25% +2.56%
10th Percentile £250 £240 £225
90th Percentile £588 £575 £556
England median daily rate £465 £450 £425
% change year-on-year +3.33% +5.88% +2.41%
Number of hourly rates quoted 587 566 741
South East median hourly rate £20.50 £18.00 £17.50
Median hourly rate % change year-on-year +13.89% +2.86% -7.89%
10th Percentile £11.00 £10.75 £10.31
90th Percentile £51.00 £48.75 £47.00
England median hourly rate £18.70 £18.38 £18.39
% change year-on-year +1.77% -0.05% +0.16%

JavaScript Developer
Job Vacancy Trend in the South East

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

Job vacancy trend for JavaScript Developer in the South East

JavaScript Developer
Contractor Daily Rate Trend in the South East

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

Contractor daily rate trend for JavaScript Developer in the South East

JavaScript Developer
Contractor Daily Rate Histogram in the South East

The daily rate distribution of IT jobs citing JavaScript Developer in the South East over the 6 months to 18 January 2019.

Contractor daily rate histogram for JavaScript Developer in the South East

JavaScript Developer
Contractor Hourly Rate Trend in the South East

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

Contractor hourly rate trend for JavaScript Developer in the South East

JavaScript Developer
Contract Job Locations in the South East

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 South East region over the 6 months to 18 January 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
Thames Valley +28 137 £425 - 40
Berkshire +6 55 £400 +6.67% 15
Buckinghamshire +40 47 £425 - 5
Surrey -40 43 £473 -0.53% 16
Oxfordshire +18 35 £425 -13.27% 20
Hampshire -15 31 £425 -2.86% 18
East Sussex +3 29 £459 -20.22% 9
Kent +11 6 £448 +19.33% 6
West Sussex -16 6 £438 -27.08% 4
Middlesex -16 1 £400 -15.79%
JavaScript Developer
England

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills in the South East

For the 6 months to 18 January 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 across the South East region featuring JavaScript Developer in the job title.

1 256 (100.00%) JavaScript
2 136 (53.13%) React
3 131 (51.17%) CSS
4 130 (50.78%) HTML
5 113 (44.14%) Agile Software Development
6 107 (41.80%) Node.js
7 99 (38.67%) AngularJS
8 87 (33.98%) Front End Development
9 76 (29.69%) HTML5
10 64 (25.00%) TDD
11 58 (22.66%) Git (software)
12 55 (21.48%) CSS3
13 49 (19.14%) Sass
14 46 (17.97%) Web Development
15 44 (17.19%) TypeScript
15 44 (17.19%) Scrum
16 43 (16.80%) .NET
17 42 (16.41%) jQuery
18 41 (16.02%) SQL
19 40 (15.63%) Finance
19 40 (15.63%) C#
20 39 (15.23%) REST
21 36 (14.06%) User Experience
22 35 (13.67%) Java
23 32 (12.50%) MVC
24 29 (11.33%) Unit Testing
25 27 (10.55%) Continuous Integration
25 27 (10.55%) Test Automation
26 25 (9.77%) BDD
27 24 (9.38%) Web Services

JavaScript Developer Skill Set
Co-occurring IT Skills in the South East 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 9 (3.52%) CMS
2 8 (3.13%) Confluence
3 5 (1.95%) WebSphere
3 5 (1.95%) WebSphere Application Server
4 4 (1.56%) Adobe Experience Manager
5 3 (1.17%) Liferay
5 3 (1.17%) SharePoint
6 2 (0.78%) IIS
6 2 (0.78%) Sitecore CMS
7 1 (0.39%) Elasticsearch
7 1 (0.39%) EPiServer
7 1 (0.39%) Kentico
7 1 (0.39%) SharePoint 2013
7 1 (0.39%) Skype for Business
7 1 (0.39%) Tomcat
7 1 (0.39%) WordPress
Applications
1 6 (2.34%) Adobe Creative Suite
2 2 (0.78%) Photoshop
3 1 (0.39%) Adobe Illustrator
3 1 (0.39%) Chatbot
3 1 (0.39%) Microsoft Excel
3 1 (0.39%) Microsoft PowerPoint
Business Applications
1 11 (4.30%) Magento
2 6 (2.34%) Dynamics CRM
3 1 (0.39%) Eloqua
3 1 (0.39%) Infor M3
Cloud Services
1 21 (8.20%) Microsoft Azure
2 14 (5.47%) Amazon AWS
3 12 (4.69%) GitHub
4 10 (3.91%) Serverless
5 9 (3.52%) AWS CloudFormation
5 9 (3.52%) npm
6 8 (3.13%) AWS Lambda
6 8 (3.13%) Google Cloud Platform
6 8 (3.13%) PaaS
7 7 (2.73%) Amazon Kinesis
8 6 (2.34%) Dynamics 365
8 6 (2.34%) Google App Engine
9 3 (1.17%) SaaS
10 2 (0.78%) Office 365
11 1 (0.39%) Apigee
11 1 (0.39%) Google Analytics
11 1 (0.39%) Google Play
11 1 (0.39%) Heroku
11 1 (0.39%) IaaS
11 1 (0.39%) Salesforce Sales Cloud
Communications & Networking
1 3 (1.17%) HTTP
2 2 (0.78%) Internet
3 1 (0.39%) Skype
3 1 (0.39%) SSL
3 1 (0.39%) Wireshark
Database & Business Intelligence
1 15 (5.86%) MySQL
2 13 (5.08%) SQL Server
3 12 (4.69%) Big Data
4 9 (3.52%) NoSQL
5 7 (2.73%) Amazon DynamoDB
5 7 (2.73%) Relational Database
6 4 (1.56%) MongoDB
7 2 (0.78%) BusinessObjects
7 2 (0.78%) Cosmos DB
7 2 (0.78%) Crystal Reports
7 2 (0.78%) Data Warehouse
7 2 (0.78%) Geospatial Data
7 2 (0.78%) GIS
7 2 (0.78%) Oracle Reports
7 2 (0.78%) RDBMS
7 2 (0.78%) Redis
7 2 (0.78%) SQLPlus
7 2 (0.78%) SSDT
8 1 (0.39%) Blockchain
8 1 (0.39%) MariaDB
Development Applications
1 58 (22.66%) Git (software)
2 22 (8.59%) JIRA
3 20 (7.81%) Jasmine
4 18 (7.03%) Jenkins
5 14 (5.47%) gulp
5 14 (5.47%) Subversion
6 11 (4.30%) Mocha
6 11 (4.30%) Octopus Deploy
6 11 (4.30%) TeamCity
7 9 (3.52%) Selenium
7 9 (3.52%) Team Foundation Server
8 8 (3.13%) Grunt
8 8 (3.13%) webpack
9 6 (2.34%) Cucumber
9 6 (2.34%) Mercurial
10 5 (1.95%) PhantomJS
10 5 (1.95%) Visual Studio
11 3 (1.17%) Fiddler
11 3 (1.17%) NUnit
12 2 (0.78%) JMeter
General
1 40 (15.63%) Finance
2 10 (3.91%) Banking
2 10 (3.91%) Retail
3 6 (2.34%) Investment Banking
4 4 (1.56%) Aerospace
5 2 (0.78%) Advertising
5 2 (0.78%) Back Office
5 2 (0.78%) Multimedia
6 1 (0.39%) Games
6 1 (0.39%) Legal
6 1 (0.39%) Marketing
6 1 (0.39%) Publishing
6 1 (0.39%) Telecoms
Libraries, Frameworks & Software Standards
1 136 (53.13%) React
2 131 (51.17%) CSS
3 130 (50.78%) HTML
4 107 (41.80%) Node.js
5 99 (38.67%) AngularJS
6 76 (29.69%) HTML5
7 55 (21.48%) CSS3
8 49 (19.14%) Sass
9 43 (16.80%) .NET
10 42 (16.41%) jQuery
11 39 (15.23%) REST
12 24 (9.38%) Web Services
13 23 (8.98%) ASP.NET
13 23 (8.98%) Vue.js
14 22 (8.59%) RESTful
15 21 (8.20%) LESS
16 17 (6.64%) ASP.NET MVC
17 16 (6.25%) Redux
17 16 (6.25%) Twitter Bootstrap
18 15 (5.86%) React Native
Miscellaneous
1 36 (14.06%) User Experience
2 9 (3.52%) Mobile App
3 8 (3.13%) Greenfield Project
4 7 (2.73%) Data Structures
5 5 (1.95%) iPad
6 3 (1.17%) Linux Command Line
7 2 (0.78%) Digital Media
8 1 (0.39%) Analytical Mindset
8 1 (0.39%) Analytical Skills
8 1 (0.39%) Cloud Native
8 1 (0.39%) e-Learning
8 1 (0.39%) iPhone
8 1 (0.39%) NHS
8 1 (0.39%) RIA
8 1 (0.39%) SCORM
Operating Systems
1 8 (3.13%) Windows
2 4 (1.56%) Unix
2 4 (1.56%) Windows Server 2003
2 4 (1.56%) Windows Server 2012
3 3 (1.17%) Android
3 3 (1.17%) Apple iOS
3 3 (1.17%) Linux
4 2 (0.78%) Windows Server
4 2 (0.78%) Windows Server 2008
5 1 (0.39%) CentOS
5 1 (0.39%) Red Hat Enterprise Linux
Processes & Methodologies
1 113 (44.14%) Agile Software Development
2 87 (33.98%) Front End Development
3 64 (25.00%) TDD
4 46 (17.97%) Web Development
5 44 (17.19%) Scrum
6 32 (12.50%) MVC
7 29 (11.33%) Unit Testing
8 27 (10.55%) Continuous Integration
8 27 (10.55%) Test Automation
9 25 (9.77%) BDD
10 23 (8.98%) DevOps
10 23 (8.98%) OO
10 23 (8.98%) Pair Programming
10 23 (8.98%) Software Engineering
11 21 (8.20%) Kanban
12 20 (7.81%) OOP
13 17 (6.64%) Microservices
14 14 (5.47%) Functional Programming
15 12 (4.69%) API Design
15 12 (4.69%) Continuous Delivery
Programming Languages
1 256 (100.00%) JavaScript
2 44 (17.19%) TypeScript
3 41 (16.02%) SQL
4 40 (15.63%) C#
5 35 (13.67%) Java
6 24 (9.38%) ES6
7 14 (5.47%) PHP
8 6 (2.34%) Python
9 4 (1.56%) PowerShell
10 3 (1.17%) Apple Swift
10 3 (1.17%) Go
10 3 (1.17%) PL/SQL
10 3 (1.17%) T-SQL
11 2 (0.78%) Bash Shell
11 2 (0.78%) Java 8
11 2 (0.78%) VBScript
12 1 (0.39%) ActionScript 3.0
12 1 (0.39%) Apex Code
12 1 (0.39%) R
12 1 (0.39%) Ruby
Qualifications
1 7 (2.73%) Security Cleared
2 6 (2.34%) Degree
2 6 (2.34%) SC Cleared
3 3 (1.17%) DV Cleared
4 2 (0.78%) MCP
4 2 (0.78%) MCSE
4 2 (0.78%) Microsoft Certification
5 1 (0.39%) Computer Science Degree
Quality Assurance & Compliance
1 8 (3.13%) QA
System Software
1 19 (7.42%) Docker
Systems Management
1 10 (3.91%) Terraform
2 2 (0.78%) Kubernetes
3 1 (0.39%) HP ALM
3 1 (0.39%) Kibana
3 1 (0.39%) nmon
3 1 (0.39%) Oracle Enterprise Manager
Vendors
1 16 (6.25%) Microsoft
2 15 (5.86%) Google
3 11 (4.30%) Adobe
4 10 (3.91%) Oracle
5 6 (2.34%) IBM
6 5 (1.95%) ATG
6 5 (1.95%) Demandware
6 5 (1.95%) hybris
7 3 (1.17%) Sitecore
8 1 (0.39%) Apple
8 1 (0.39%) GoCardless
8 1 (0.39%) HP
8 1 (0.39%) Salesforce.com
8 1 (0.39%) ServiceNow
8 1 (0.39%) Twitter