The following table provides summary statistics for contract job vacancies advertised in Aylesbury 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 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)
Buckinghamshire / Aylesbury
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 1 1 3
Rank change year-on-year 0 +2  
Contract jobs citing JavaScript 13 19 6
As % of all contract IT jobs advertised in Aylesbury 43.33% 73.08% 22.22%
As % of the Programming Languages category 100.00% 86.36% 37.50%
Number of daily rates quoted 4 14 4
Median daily rate £391 £375 £300
Median daily rate % change year-on-year +4.33% +25.00%  
90% offered a daily rate of more than £375 £336 £288
10% offered a daily rate of more than £408 £450 £479
UK excluding London median daily rate £375 £363 £340
% change year-on-year +3.44% +6.61%  
Number of hourly rates quoted 1 0 0
Median hourly rate £60.00 - -
UK excluding London median hourly rate £43.39 £37.50 £39.78
% change year-on-year +15.70% -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 Aylesbury with a requirement for programming language skills.

Contract Programming Language Skills
Aylesbury
Contract job vacancies with a requirement for programming language skills 13 22 16
As % of all contract IT job vacancies advertised in Aylesbury 43.33% 84.62% 59.26%
Number of daily rates quoted 4 15 9
Median daily rate £408 £375 £288
Median daily rate % change year-on-year +8.66% +30.43%  
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 1 0 4
Median hourly rate £60.00 - £26.00
UK excluding London median hourly rate £42.50 £37.50 £36.50
% change year-on-year +13.33% +2.73%  

JavaScript
Job Vacancy Trend in Aylesbury

The job posting trend of jobs advertised in Aylesbury 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 Aylesbury

JavaScript
Contractor Daily Rate Trend in Aylesbury

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

Contractor daily rate trend for JavaScript in Aylesbury

JavaScript
Contractor Hourly Rate Trend in Aylesbury

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

Contractor hourly rate trend for JavaScript in Aylesbury

For the 6 months to 24 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 Aylesbury region with a requirement for JavaScript.

1 34 (100.00%) HTML
1 34 (100.00%) CSS
2 33 (97.06%) jQuery
3 31 (91.18%) Twitter Bootstrap
4 27 (79.41%) CSS3
5 24 (70.59%) XHTML
5 24 (70.59%) Digital Transformation Programme
6 23 (67.65%) Ajax
6 23 (67.65%) Web Development
7 20 (58.82%) C#
7 20 (58.82%) CMS
8 18 (52.94%) EPiServer
9 14 (41.18%) HTML5
10 13 (38.24%) .NET
11 12 (35.29%) ASP.NET
11 12 (35.29%) MVC
12 10 (29.41%) ASP.NET MVC
13 9 (26.47%) Front End Development
13 9 (26.47%) Agile Software Development
13 9 (26.47%) SQL Server
13 9 (26.47%) Sass
14 6 (17.65%) Photoshop
15 5 (14.71%) KnockoutJS
16 4 (11.76%) AngularJS
16 4 (11.76%) User Experience
16 4 (11.76%) Finance
17 3 (8.82%) SQL Server Reporting Services
17 3 (8.82%) SQL
17 3 (8.82%) .NET Framework
18 2 (5.88%) ASP.NET Web API

JavaScript
Co-occurring IT Skills in Aylesbury 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 20 (58.82%) CMS
2 18 (52.94%) EPiServer
3 2 (5.88%) Umbraco
Applications
1 6 (17.65%) Photoshop
2 2 (5.88%) Adobe Creative Suite
Cloud Services
1 2 (5.88%) Google Analytics
Database & Business Intelligence
1 9 (26.47%) SQL Server
2 3 (8.82%) SQL Server Reporting Services
3 1 (2.94%) QlikView
Development Applications
1 2 (5.88%) Subversion
1 2 (5.88%) Team Foundation Server
General
1 4 (11.76%) Finance
2 2 (5.88%) Financial Institution
2 2 (5.88%) Marketing
Job Titles
1 33 (97.06%) Developer
2 21 (61.76%) Web Developer
3 19 (55.88%) HTML Developer
4 17 (50.00%) EPiServer Developer
4 17 (50.00%) JavaScript Developer
5 16 (47.06%) HTML CSS Developer
6 7 (20.59%) C# Developer
6 7 (20.59%) Front End Developer (Client-Side Developer)
7 4 (11.76%) .NET Developer
7 4 (11.76%) ASP.NET Developer
7 4 (11.76%) C# Web Developer
8 3 (8.82%) ASP.NET MVC Developer
8 3 (8.82%) C# .NET Developer
8 3 (8.82%) C# ASP.NET Developer
9 2 (5.88%) UI Developer
9 2 (5.88%) Web UI Developer
10 1 (2.94%) Analyst
10 1 (2.94%) Applications Support
10 1 (2.94%) Applications Support Analyst
10 1 (2.94%) Support Analyst
Libraries, Frameworks & Software Standards
1 34 (100.00%) CSS
1 34 (100.00%) HTML
2 33 (97.06%) jQuery
3 31 (91.18%) Twitter Bootstrap
4 27 (79.41%) CSS3
5 24 (70.59%) XHTML
6 23 (67.65%) Ajax
7 14 (41.18%) HTML5
8 13 (38.24%) .NET
9 12 (35.29%) ASP.NET
10 10 (29.41%) ASP.NET MVC
11 9 (26.47%) Sass
12 5 (14.71%) KnockoutJS
13 4 (11.76%) AngularJS
14 3 (8.82%) .NET Framework
15 2 (5.88%) ASP.NET 2.0
15 2 (5.88%) ASP.NET Web API
Miscellaneous
1 4 (11.76%) User Experience
2 2 (5.88%) Digital Media
2 2 (5.88%) iPad
2 2 (5.88%) iPhone
2 2 (5.88%) Management Information System
Operating Systems
1 2 (5.88%) Android
1 2 (5.88%) Apple iOS
1 2 (5.88%) Windows
Processes & Methodologies
1 24 (70.59%) Digital Transformation Programme
2 23 (67.65%) Web Development
3 12 (35.29%) MVC
4 9 (26.47%) Agile Software Development
4 9 (26.47%) Front End Development
5 2 (5.88%) Analytics
5 2 (5.88%) API Development
5 2 (5.88%) Customer Requirements
5 2 (5.88%) HOOD
5 2 (5.88%) Mathematics
5 2 (5.88%) Service Delivery
5 2 (5.88%) Time Management
5 2 (5.88%) Wireframes
6 1 (2.94%) Data Extraction
6 1 (2.94%) ETL
6 1 (2.94%) Web Application Development
Programming Languages
1 20 (58.82%) C#
2 3 (8.82%) SQL
3 2 (5.88%) T-SQL
4 1 (2.94%) Java
4 1 (2.94%) VBA
Qualifications
1 2 (5.88%) Degree
2 1 (2.94%) BPSS Clearance
2 1 (2.94%) SC Cleared
2 1 (2.94%) Security Cleared
Quality Assurance & Compliance
1 2 (5.88%) QA
Vendors
1 2 (5.88%) Adobe
1 2 (5.88%) Google