The following table provides summary statistics for contract job vacancies advertised in Watford 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 29 June 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.

JavaScript (including ECMAScript)
Hertfordshire > Watford
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 10 8 1
Rank change year-on-year -2 -7  
Contract jobs citing JavaScript 18 13 42
As % of all contract IT jobs advertised in Watford 10.98% 9.56% 26.42%
As % of the Programming Languages category 32.14% 38.24% 55.26%
Number of daily rates quoted 15 5 17
Watford median daily rate £350 £388 £363
Median daily rate % change year-on-year -9.67% +6.89%  
10th Percentile £272 £261 £325
90th Percentile £438 £542 £394
Hertfordshire median daily rate £425 £375 £375
% change year-on-year +13.33% -  
Number of hourly rates quoted 0 0 0
Watford median hourly rate - - -
Hertfordshire median hourly rate £15.00 £31.50 -
% change year-on-year -52.38% -  

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 Watford with a requirement for programming language skills.

Contract Programming Language Skills
Watford
Contract job vacancies with a requirement for programming language skills 56 34 76
As % of all contract IT job vacancies advertised in Watford 34.15% 25.00% 47.80%
Number of daily rates quoted 70 28 49
Watford median daily rate £375 £388 £363
Median daily rate % change year-on-year -3.22% +6.89%  
10th Percentile £263 £229 £324
90th Percentile £500 £526 £438
Hertfordshire median daily rate £425 £388 £350
% change year-on-year +9.67% +10.71%  
Number of hourly rates quoted 0 0 0
Watford median hourly rate - - -
Hertfordshire median hourly rate £20.76 £50.00 £32.50
% change year-on-year -58.49% +53.84%  

JavaScript
Job Vacancy Trend in Watford

Job postings citing JavaScript as a percentage of all IT jobs advertised in Watford.

Job vacancy trend for JavaScript in Watford

JavaScript
Contractor Daily Rate Trend in Watford

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

Contractor daily rate trend for JavaScript in Watford

JavaScript
Contractor Daily Rate Histogram in Watford

The daily rate distribution of IT jobs citing JavaScript in Watford over the 3 months to 29 June 2017.

Contractor daily rate histogram for JavaScript in Watford

JavaScript
Contractor Hourly Rate Trend in Watford

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

Contractor hourly rate trend for JavaScript in Watford

For the 6 months to 29 June 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 Watford region with a requirement for JavaScript.

1 20 (55.56%) Java
2 18 (50.00%) HTML
3 17 (47.22%) .NET
4 15 (41.67%) HTML5
5 13 (36.11%) SQL
5 13 (36.11%) CSS
5 13 (36.11%) AngularJS
6 12 (33.33%) XML
6 12 (33.33%) Agile Software Development
6 12 (33.33%) WebSphere
7 11 (30.56%) Web Services
7 11 (30.56%) IBM
7 11 (30.56%) Front End Development
8 10 (27.78%) J2EE
8 10 (27.78%) MVC
9 9 (25.00%) JSP
9 9 (25.00%) Spring
9 9 (25.00%) IBM Integration Bus
9 9 (25.00%) CSS3
9 9 (25.00%) Git (software)
10 8 (22.22%) RESTful
10 8 (22.22%) DataPower
10 8 (22.22%) MongoDB
10 8 (22.22%) Sybase ASE
10 8 (22.22%) T-SQL
10 8 (22.22%) C#
10 8 (22.22%) Sybase
10 8 (22.22%) Hibernate
10 8 (22.22%) Finance
10 8 (22.22%) WebSphere Cast Iron

JavaScript
Co-occurring IT Skills in Watford 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 12 (33.33%) WebSphere
2 4 (11.11%) Elasticsearch
3 3 (8.33%) CMS
4 2 (5.56%) Sitecore CMS
4 2 (5.56%) Umbraco
4 2 (5.56%) WebSphere Application Server
Business Applications
1 5 (13.89%) Dynamics CRM
1 5 (13.89%) SAP HCM
2 1 (2.78%) Magento
2 1 (2.78%) Payment Gateway
Cloud Services
1 5 (13.89%) Boomi
1 5 (13.89%) SuccessFactors
2 1 (2.78%) Amazon AWS
Communications & Networking
1 3 (8.33%) HTTP
2 2 (5.56%) HTTPS
Database & Business Intelligence
1 8 (22.22%) MongoDB
1 8 (22.22%) Sybase ASE
2 6 (16.67%) Crystal Reports
2 6 (16.67%) PostgreSQL
3 1 (2.78%) DB2
3 1 (2.78%) DbVisualizer
3 1 (2.78%) NoSQL
Development Applications
1 9 (25.00%) Git (software)
2 3 (8.33%) Selenium
2 3 (8.33%) Visual Studio Team System
3 2 (5.56%) Appium
3 2 (5.56%) Cucumber
3 2 (5.56%) Jenkins
3 2 (5.56%) JIRA
3 2 (5.56%) Subversion
3 2 (5.56%) WebDriver
3 2 (5.56%) webpack
4 1 (2.78%) Babel
4 1 (2.78%) Gatling
4 1 (2.78%) Grunt
4 1 (2.78%) gulp
4 1 (2.78%) IntelliJ
4 1 (2.78%) JMeter
4 1 (2.78%) jMock
4 1 (2.78%) JUnit
4 1 (2.78%) Maven
4 1 (2.78%) SoapUI
General
1 8 (22.22%) Finance
2 3 (8.33%) Interactive Media
2 3 (8.33%) Law
3 2 (5.56%) Games
3 2 (5.56%) Retail
Job Titles
1 32 (88.89%) Developer
2 11 (30.56%) Java Developer
3 7 (19.44%) Front End Developer (Client-Side Developer)
3 7 (19.44%) WebSphere Developer
4 5 (13.89%) Integration Developer
5 4 (11.11%) JavaScript Developer
6 3 (8.33%) Java Engineer
6 3 (8.33%) Senior Developer
7 2 (5.56%) .NET Developer
7 2 (5.56%) Automation Tester
7 2 (5.56%) CMS Developer
7 2 (5.56%) Consultant
7 2 (5.56%) Java Automation Tester
7 2 (5.56%) Selenium Automation Tester
7 2 (5.56%) Selenium Tester
7 2 (5.56%) Senior Front-End Developer
7 2 (5.56%) Sitecore Developer
7 2 (5.56%) Software Developer
7 2 (5.56%) Tester
7 2 (5.56%) WebSphere Consultant
Libraries, Frameworks & Software Standards
1 18 (50.00%) HTML
2 17 (47.22%) .NET
3 15 (41.67%) HTML5
4 13 (36.11%) AngularJS
4 13 (36.11%) CSS
5 12 (33.33%) XML
6 11 (30.56%) Web Services
7 10 (27.78%) J2EE
8 9 (25.00%) CSS3
8 9 (25.00%) IBM Integration Bus
8 9 (25.00%) JSP
8 9 (25.00%) Spring
9 8 (22.22%) Hibernate
9 8 (22.22%) RESTful
10 7 (19.44%) jQuery
10 7 (19.44%) JSON
11 6 (16.67%) WebSphere MQ
11 6 (16.67%) XSLT
12 5 (13.89%) ASP.NET
12 5 (13.89%) REST
Miscellaneous
1 8 (22.22%) DataPower
2 4 (11.11%) Mobile App
3 3 (8.33%) NHS
4 2 (5.56%) Analytical Skills
4 2 (5.56%) Greenfield Project
5 1 (2.78%) Computer Science
5 1 (2.78%) User Experience
Operating Systems
1 7 (19.44%) Linux
1 7 (19.44%) Windows
2 2 (5.56%) Unix
Processes & Methodologies
1 12 (33.33%) Agile Software Development
2 11 (30.56%) Front End Development
3 10 (27.78%) MVC
4 7 (19.44%) Continuous Integration
4 7 (19.44%) E-Commerce
4 7 (19.44%) OO
5 6 (16.67%) API Development
5 6 (16.67%) Open Source
6 5 (13.89%) CRM
6 5 (13.89%) DevOps
6 5 (13.89%) Microservices
7 4 (11.11%) BEM - Block Element Modifier
7 4 (11.11%) Configuration Management
7 4 (11.11%) Release Management
7 4 (11.11%) Test Automation
8 3 (8.33%) BDD
8 3 (8.33%) Business Intelligence
8 3 (8.33%) TDD
8 3 (8.33%) Web Development
9 2 (5.56%) Scrum
Programming Languages
1 20 (55.56%) Java
2 13 (36.11%) SQL
3 8 (22.22%) C#
3 8 (22.22%) T-SQL
4 6 (16.67%) C
5 4 (11.11%) ES6
6 1 (2.78%) C++
6 1 (2.78%) Groovy
6 1 (2.78%) Python
Qualifications
1 1 (2.78%) Computer Science Degree
1 1 (2.78%) Degree
1 1 (2.78%) ISEB
1 1 (2.78%) ISTQB
1 1 (2.78%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 3 (8.33%) QA
Systems Management
1 8 (22.22%) WebSphere Cast Iron
Vendors
1 11 (30.56%) IBM
2 8 (22.22%) Sybase
3 5 (13.89%) Dell
3 5 (13.89%) SAP
4 2 (5.56%) Sitecore
5 1 (2.78%) hybris
5 1 (2.78%) New Relic
5 1 (2.78%) Oracle
Watford, Hertfordshire
Stratospherec
Rate: Up to £400 per day
Posted: 4 hours ago
Watford, Hertfordshire
Opus Recruitment Solutions Ltd
Rate: Rates Dependant on Experience
Posted: 5 days ago