The following table provides summary statistics for contract job vacancies advertised in Northampton 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 26 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)
Northamptonshire / Northampton
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 22 17 8
Rank change year-on-year -5 -9  
Contract jobs citing JavaScript 8 16 24
As % of all contract IT jobs advertised in Northampton 3.25% 7.31% 11.06%
As % of the Programming Languages category 14.29% 23.88% 35.29%
Number of daily rates quoted 5 12 17
Median daily rate £313 £400 £350
Median daily rate % change year-on-year -21.87% +14.28%  
90% offered a daily rate of more than £299 £291 £238
10% offered a daily rate of more than £405 £520 £500
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 1 0 0
Median hourly rate £187.50 - -
UK excluding London median hourly rate £43.45 £37.50 £39.78
% change year-on-year +15.85% -5.71%  

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 Northampton with a requirement for programming language skills.

Contract Programming Language Skills
Northampton
Contract job vacancies with a requirement for programming language skills 56 67 68
As % of all contract IT job vacancies advertised in Northampton 22.76% 30.59% 31.34%
Number of daily rates quoted 35 52 44
Median daily rate £430 £425 £360
Median daily rate % change year-on-year +1.17% +18.05%  
90% offered a daily rate of more than £300 £325 £225
10% offered a daily rate of more than £475 £525 £500
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 1 0 1
Median hourly rate £187.50 - £19.00
UK excluding London median hourly rate £42.50 £37.50 £37.00
% change year-on-year +13.33% +1.35%  

JavaScript
Job Vacancy Trend in Northampton

The job posting trend of jobs advertised in Northampton 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 Northampton

JavaScript
Contractor Daily Rate Trend in Northampton

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

Contractor daily rate trend for JavaScript in Northampton

JavaScript
Contractor Daily Rate Histogram in Northampton

The daily rate distribution of IT jobs citing JavaScript in Northampton over the 3 months to 26 June 2017.

Contractor daily rate histogram for JavaScript in Northampton

JavaScript
Contractor Hourly Rate Trend in Northampton

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

Contractor hourly rate trend for JavaScript in Northampton

For the 6 months to 26 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 Northampton region with a requirement for JavaScript.

1 22 (62.86%) HTML
1 22 (62.86%) jQuery
2 21 (60.00%) CSS
3 18 (51.43%) Java
4 16 (45.71%) AngularJS
5 15 (42.86%) OO
6 14 (40.00%) SQL
7 13 (37.14%) J2EE
8 12 (34.29%) Spring
8 12 (34.29%) Ajax
9 11 (31.43%) Banking
9 11 (31.43%) HTML5
9 11 (31.43%) Finance
10 10 (28.57%) Hibernate
10 10 (28.57%) Oracle
10 10 (28.57%) Git (software)
11 8 (22.86%) JSON
11 8 (22.86%) SQL Server
11 8 (22.86%) .NET
11 8 (22.86%) SOAP
11 8 (22.86%) XML
11 8 (22.86%) Agile Software Development
11 8 (22.86%) TDD
11 8 (22.86%) React
12 7 (20.00%) Relational Database
12 7 (20.00%) IntelliJ
12 7 (20.00%) Data Modelling
12 7 (20.00%) C#
12 7 (20.00%) JUnit
12 7 (20.00%) JIRA

JavaScript
Co-occurring IT Skills in Northampton 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 2 (5.71%) JBoss
1 2 (5.71%) WebSphere
2 1 (2.86%) OpenEdge
2 1 (2.86%) WebLogic
2 1 (2.86%) WebSphere Application Server
Business Applications
1 1 (2.86%) Oracle BPM
Cloud Services
1 2 (5.71%) GitHub
Database & Business Intelligence
1 8 (22.86%) SQL Server
2 7 (20.00%) MongoDB
2 7 (20.00%) Relational Database
3 6 (17.14%) RDBMS
4 3 (8.57%) Oracle Database
5 2 (5.71%) DB2
5 2 (5.71%) NoSQL
6 1 (2.86%) Oracle Database 10g
6 1 (2.86%) Oracle Database 11g
6 1 (2.86%) Oracle9i Database
6 1 (2.86%) SQL Server 2000
6 1 (2.86%) SQL Server 2005
6 1 (2.86%) SQL Server 2008
Development Applications
1 10 (28.57%) Git (software)
2 7 (20.00%) Gradle
2 7 (20.00%) IntelliJ
2 7 (20.00%) JIRA
2 7 (20.00%) JUnit
3 6 (17.14%) Eclipse
3 6 (17.14%) Jenkins
3 6 (17.14%) JProfiler
4 1 (2.86%) Babel
4 1 (2.86%) ClearCase
4 1 (2.86%) Cucumber
4 1 (2.86%) gulp
4 1 (2.86%) Jasmine
4 1 (2.86%) Lombardi
4 1 (2.86%) Mocha
4 1 (2.86%) Subversion
4 1 (2.86%) WebDriver
4 1 (2.86%) webpack
General
1 11 (31.43%) Banking
1 11 (31.43%) Finance
2 1 (2.86%) Retail
Job Titles
1 32 (91.43%) Developer
2 11 (31.43%) Java Developer
2 11 (31.43%) JavaScript Developer
3 6 (17.14%) C# Developer
4 4 (11.43%) .NET Developer
4 4 (11.43%) C# .NET Developer
5 3 (8.57%) Architect
5 3 (8.57%) HTML Developer
5 3 (8.57%) Web Developer
6 2 (5.71%) Agile Developer
6 2 (5.71%) Agile Java Developer
6 2 (5.71%) Digital Architect
6 2 (5.71%) Front End Developer (Client-Side Developer)
6 2 (5.71%) HTML CSS Developer
6 2 (5.71%) J2EE Developer
6 2 (5.71%) Java/J2EE Developer
7 1 (2.86%) Applications Developer
7 1 (2.86%) ASP.NET Developer
7 1 (2.86%) Mobile Applications Developer
7 1 (2.86%) Progress Developer
Libraries, Frameworks & Software Standards
1 22 (62.86%) HTML
1 22 (62.86%) jQuery
2 21 (60.00%) CSS
3 16 (45.71%) AngularJS
4 13 (37.14%) J2EE
5 12 (34.29%) Ajax
5 12 (34.29%) Spring
6 11 (31.43%) HTML5
7 10 (28.57%) Hibernate
8 8 (22.86%) .NET
8 8 (22.86%) JSON
8 8 (22.86%) React
8 8 (22.86%) SOAP
8 8 (22.86%) XML
9 7 (20.00%) JPA
10 6 (17.14%) XSLT
11 5 (14.29%) ASP.NET
11 5 (14.29%) CSS3
11 5 (14.29%) FIX Protocol
12 4 (11.43%) EJB
Miscellaneous
1 6 (17.14%) Analytical Skills
1 6 (17.14%) User Experience
2 3 (8.57%) Driving Licence
3 1 (2.86%) Mobile App
3 1 (2.86%) PMI
Operating Systems
1 2 (5.71%) Android
1 2 (5.71%) Apple iOS
2 1 (2.86%) Unix
2 1 (2.86%) Windows
2 1 (2.86%) Windows Server
Processes & Methodologies
1 15 (42.86%) OO
2 8 (22.86%) Agile Software Development
2 8 (22.86%) TDD
3 7 (20.00%) Data Modelling
3 7 (20.00%) Test Automation
3 7 (20.00%) Unit Testing
4 6 (17.14%) Continuous Integration
4 6 (17.14%) RAD
5 5 (14.29%) MVC
6 4 (11.43%) Data Protection
6 4 (11.43%) Microservices
6 4 (11.43%) Waterfall
7 3 (8.57%) Scrum
7 3 (8.57%) Software Engineering
7 3 (8.57%) Web Development
8 2 (5.71%) Enterprise Architecture
8 2 (5.71%) OOD
8 2 (5.71%) Refactoring
8 2 (5.71%) TOGAF
8 2 (5.71%) Zachman Framework
Programming Languages
1 18 (51.43%) Java
2 14 (40.00%) SQL
3 7 (20.00%) C#
4 3 (8.57%) VB.NET
5 2 (5.71%) R
6 1 (2.86%) Groovy
6 1 (2.86%) Progress 4GL
6 1 (2.86%) Python
Qualifications
1 1 (2.86%) PMI Certification
System Software
1 1 (2.86%) Docker
Vendors
1 10 (28.57%) Oracle
2 6 (17.14%) Perforce
3 2 (5.71%) Microsoft
4 1 (2.86%) Chordiant
4 1 (2.86%) IBM
4 1 (2.86%) Progress
4 1 (2.86%) Sencha
4 1 (2.86%) Xamarin