The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 3 months to 24 March 2017 with a comparison to the 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.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
JavaScript (including ECMAScript)
East of England / Hertfordshire
Rank 16 11 13
Rank change year-on-year -5 +2  
Contract jobs citing JavaScript 50 61 70
As % of all contract IT jobs advertised in Hertfordshire 8.09% 9.06% 10.17%
As % of the Programming Languages category 22.32% 32.97% 27.78%
Number of daily rates quoted 37 43 33
Median daily rate £375 £325 £363
Median daily rate % change year-on-year +15.38% -10.34%  
90% offered a daily rate of more than £280 £300 £277
10% offered a daily rate of more than £500 £512 £445
UK excluding London median daily rate £375 £350 £350
% change year-on-year +7.14% -  
Number of hourly rates quoted 0 1 1
Median hourly rate - £11.00 £40.00
Median hourly rate % change year-on-year - -72.50%  
UK excluding London median hourly rate £41.75 £38.00 £35.00
% change year-on-year +9.86% +8.57%  

JavaScript is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for programming language skills.

Contract Programming Language Skills
Hertfordshire
Contract job vacancies with a requirement for programming language skills 224 185 252
As % of all contract IT job vacancies advertised in Hertfordshire 36.25% 27.49% 36.63%
Number of daily rates quoted 147 106 117
Median daily rate £405 £375 £375
Median daily rate % change year-on-year +8.00% -  
90% offered a daily rate of more than £279 £300 £275
10% offered a daily rate of more than £600 £525 £500
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 19 18 9
Median hourly rate £45.71 £49.50 £37.50
Median hourly rate % change year-on-year -7.66% +32.00%  
90% offered a hourly rate of more than £37.50 £37.50 £32.50
10% offered a hourly rate of more than £52.50 £50.00 £40.00
UK excluding London median hourly rate £41.64 £40.00 £36.00
% change year-on-year +4.10% +11.11%  

JavaScript
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing JavaScript as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for JavaScript in Hertfordshire

JavaScript
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for JavaScript in Hertfordshire

JavaScript
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing JavaScript in Hertfordshire over the 3 months to 24 March 2017.

Contractor daily rate histogram for JavaScript in Hertfordshire

JavaScript
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for JavaScript in Hertfordshire

JavaScript
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the Hertfordshire region over the 3 months to 24 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford -3 20 £425 +11.84% 9
Stevenage +5 6 £300 -32.58% 2
St Albans +2 4 £275 +1.85% 6
Welwyn Garden City -5 3 £488 +45.52%
Hatfield - 2 £463 - 2
Hemel Hempstead +4 1 £360 +15.20% 4
JavaScript
East of England

JavaScript
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 24 March 2017, IT contractor jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hertfordshire region with a requirement for JavaScript.

1 53 (62.35%) HTML
2 47 (55.29%) CSS
3 36 (42.35%) Java
4 31 (36.47%) .NET
5 30 (35.29%) C#
5 30 (35.29%) XML
6 29 (34.12%) Agile Software Development
7 25 (29.41%) Web Services
7 25 (29.41%) AngularJS
8 20 (23.53%) jQuery
8 20 (23.53%) XSLT
9 19 (22.35%) E-Commerce
9 19 (22.35%) SQL
10 18 (21.18%) ASP.NET
11 17 (20.00%) OO
12 16 (18.82%) MVC
12 16 (18.82%) Git (software)
13 15 (17.65%) RESTful
13 15 (17.65%) JSON
13 15 (17.65%) TDD
14 14 (16.47%) SQL Server
14 14 (16.47%) HTML5
14 14 (16.47%) Node.js
14 14 (16.47%) REST
14 14 (16.47%) Front End Development
15 13 (15.29%) ASP.NET Web API
16 12 (14.12%) .NET Framework
16 12 (14.12%) Linux
17 11 (12.94%) Retail
17 11 (12.94%) IBM

JavaScript
Top Related IT Skills in Hertfordshire 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 11 (12.94%) WebSphere
2 7 (8.24%) IIS
3 6 (7.06%) Elasticsearch
3 6 (7.06%) WebLogic
3 6 (7.06%) WebLogic Portal
4 4 (4.71%) nginx
5 3 (3.53%) CMS
6 2 (2.35%) Apache
6 2 (2.35%) Drupal
6 2 (2.35%) Magnolia
6 2 (2.35%) SharePoint
7 1 (1.18%) Apache Solr
7 1 (1.18%) EPiServer
7 1 (1.18%) NServiceBus
Applications
1 2 (2.35%) Photoshop
2 1 (1.18%) Adobe Captivate
2 1 (1.18%) Adobe Premiere
2 1 (1.18%) MS Excel
2 1 (1.18%) MS Office
Business Applications
1 5 (5.88%) Dynamics CRM
1 5 (5.88%) Magento
1 5 (5.88%) SAP HCM
2 1 (1.18%) Payment Gateway
Cloud Services
1 6 (7.06%) Amazon AWS
2 5 (5.88%) Boomi
2 5 (5.88%) SuccessFactors
3 2 (2.35%) Amazon EC2
3 2 (2.35%) Amazon SQS
3 2 (2.35%) PaaS
4 1 (1.18%) Amazon S3
4 1 (1.18%) AWS Lambda
4 1 (1.18%) GitHub
4 1 (1.18%) Route 53
Communications & Networking
1 5 (5.88%) TCP/IP
2 4 (4.71%) VoIP
2 4 (4.71%) Wireshark
3 3 (3.53%) HTTP
4 2 (2.35%) HTTPS
5 1 (1.18%) Ethernet
5 1 (1.18%) Internet
5 1 (1.18%) Intranet
Database & Business Intelligence
1 14 (16.47%) SQL Server
2 7 (8.24%) MySQL
2 7 (8.24%) SQL Server 2012
3 6 (7.06%) Relational Database
3 6 (7.06%) Sybase ASE
4 5 (5.88%) Crystal Reports
4 5 (5.88%) MongoDB
4 5 (5.88%) PostgreSQL
5 4 (4.71%) NoSQL
6 3 (3.53%) Redis
7 2 (2.35%) DB2
7 2 (2.35%) DbVisualizer
7 2 (2.35%) SQL Server 2014
8 1 (1.18%) Amazon DynamoDB
8 1 (1.18%) Amazon RDS
8 1 (1.18%) BusinessObjects XI
8 1 (1.18%) Oracle Database
8 1 (1.18%) SQL Server 2005
8 1 (1.18%) SQL Server 2008
Development Applications
1 16 (18.82%) Git (software)
2 9 (10.59%) JIRA
3 5 (5.88%) Atlassian Bamboo
3 5 (5.88%) FxCop
3 5 (5.88%) ReSharper
3 5 (5.88%) StyleCop
3 5 (5.88%) Visual Studio
4 4 (4.71%) Jenkins
4 4 (4.71%) Moq
5 3 (3.53%) gulp
5 3 (3.53%) Subversion
5 3 (3.53%) Vagrant
6 2 (2.35%) Appium
6 2 (2.35%) Cucumber
6 2 (2.35%) Eclipse
6 2 (2.35%) Maven
6 2 (2.35%) Selenium
6 2 (2.35%) SoapUI
6 2 (2.35%) WebDriver
6 2 (2.35%) Xcode
General
1 11 (12.94%) Retail
2 7 (8.24%) Finance
3 3 (3.53%) Law
4 2 (2.35%) Games
4 2 (2.35%) Telecoms
5 1 (1.18%) Aerospace
5 1 (1.18%) Automotive
5 1 (1.18%) Interactive Media
5 1 (1.18%) Marketing
5 1 (1.18%) Military
5 1 (1.18%) Multimedia
5 1 (1.18%) Publishing
Job Titles
1 72 (84.71%) Developer
2 15 (17.65%) .NET Developer
3 12 (14.12%) C# Developer
3 12 (14.12%) Front End Developer (Client-Side Developer)
3 12 (14.12%) Java Developer
4 8 (9.41%) Web Developer
5 7 (8.24%) C# .NET Developer
5 7 (8.24%) Senior Developer
5 7 (8.24%) WebSphere Developer
6 6 (7.06%) ASP.NET Developer
6 6 (7.06%) Senior Front-End Developer
7 5 (5.88%) Android Developer
7 5 (5.88%) ASP.NET MVC Developer
7 5 (5.88%) C# ASP.NET Developer
7 5 (5.88%) Full Stack Developer
7 5 (5.88%) Integration Developer
7 5 (5.88%) Node.js Developer
7 5 (5.88%) Software Developer
8 4 (4.71%) HTML CSS Developer
8 4 (4.71%) Python/Django Developer
Libraries, Frameworks & Software Standards
1 53 (62.35%) HTML
2 47 (55.29%) CSS
3 31 (36.47%) .NET
4 30 (35.29%) XML
5 25 (29.41%) AngularJS
5 25 (29.41%) Web Services
6 20 (23.53%) jQuery
6 20 (23.53%) XSLT
7 18 (21.18%) ASP.NET
8 15 (17.65%) JSON
8 15 (17.65%) RESTful
9 14 (16.47%) HTML5
9 14 (16.47%) Node.js
9 14 (16.47%) REST
10 13 (15.29%) ASP.NET Web API
11 12 (14.12%) .NET Framework
12 11 (12.94%) CSS3
12 11 (12.94%) Entity Framework
12 11 (12.94%) Twitter Bootstrap
13 9 (10.59%) ASP.NET MVC
Miscellaneous
1 10 (11.76%) User Experience
2 8 (9.41%) DataPower
2 8 (9.41%) Mobile App
3 5 (5.88%) Analytical Skills
4 4 (4.71%) Contactless
4 4 (4.71%) EMV
4 4 (4.71%) iPad
5 2 (2.35%) W3C
6 1 (1.18%) Algorithms
6 1 (1.18%) Animation
6 1 (1.18%) Computer Science
6 1 (1.18%) Data Structures
6 1 (1.18%) Digital Media
6 1 (1.18%) e-Learning
6 1 (1.18%) FMCG
6 1 (1.18%) Learning Management System
6 1 (1.18%) RIA
6 1 (1.18%) SCORM
6 1 (1.18%) Tandem
6 1 (1.18%) Video Editing
Operating Systems
1 12 (14.12%) Linux
2 11 (12.94%) Android
3 9 (10.59%) Windows
4 5 (5.88%) Apple iOS
5 4 (4.71%) Unix
6 1 (1.18%) Mac OS
6 1 (1.18%) Windows 7
6 1 (1.18%) Windows Mobile
Processes & Methodologies
1 29 (34.12%) Agile Software Development
2 19 (22.35%) E-Commerce
3 17 (20.00%) OO
4 16 (18.82%) MVC
5 15 (17.65%) TDD
6 14 (16.47%) Front End Development
7 11 (12.94%) BDD
8 10 (11.76%) Scrum
8 10 (11.76%) Web Development
9 9 (10.59%) API Development
9 9 (10.59%) Continuous Integration
10 8 (9.41%) DevOps
11 7 (8.24%) Open Source
11 7 (8.24%) SOLID
11 7 (8.24%) Wireframes
12 6 (7.06%) CRM
12 6 (7.06%) OOP
12 6 (7.06%) Responsive Web Design
12 6 (7.06%) Web Design
13 5 (5.88%) Configuration Management
Programming Languages
1 36 (42.35%) Java
2 30 (35.29%) C#
3 19 (22.35%) SQL
4 8 (9.41%) T-SQL
5 7 (8.24%) Python
6 6 (7.06%) C
6 6 (7.06%) VBScript
6 6 (7.06%) XPath
7 4 (4.71%) C++
7 4 (4.71%) Go
7 4 (4.71%) Objective-C
7 4 (4.71%) PHP
8 3 (3.53%) ES6
8 3 (3.53%) Lua
9 2 (2.35%) PL/SQL
10 1 (1.18%) Apex Code
10 1 (1.18%) Clojure
10 1 (1.18%) Ruby
10 1 (1.18%) Rust
Qualifications
1 1 (1.18%) Degree
1 1 (1.18%) SC Cleared
1 1 (1.18%) Security Cleared
Quality Assurance & Compliance
1 4 (4.71%) QA
2 2 (2.35%) WAI
System Software
1 5 (5.88%) Docker
2 1 (1.18%) Varnish
2 1 (1.18%) Virtual Machines
Systems Management
1 8 (9.41%) WebSphere Cast Iron
2 2 (2.35%) TeamSite
3 1 (1.18%) Ansible
3 1 (1.18%) Opscode Chef
3 1 (1.18%) Puppet
Vendors
1 11 (12.94%) IBM
2 8 (9.41%) Oracle
3 6 (7.06%) Google
3 6 (7.06%) Microsoft
3 6 (7.06%) Sybase
4 5 (5.88%) Atlassian
4 5 (5.88%) Dell
4 5 (5.88%) SAP
5 3 (3.53%) Zend
6 2 (2.35%) Apple
6 2 (2.35%) hybris
6 2 (2.35%) Telerik
7 1 (1.18%) Adobe
7 1 (1.18%) Omniture
7 1 (1.18%) Optimizely
7 1 (1.18%) Remedy
7 1 (1.18%) Salesforce.com
7 1 (1.18%) ServiceNow
7 1 (1.18%) Xamarin
7 1 (1.18%) Xerox
Hertfordshire
Oscar
Rate: £225 - £275 per day
Posted: 2 days ago
Watford
Talent Point
Rate: £350.00 - £450.00 per day
Posted: 7 days ago