Period
to 20 November 2017

The median annual salary for a JavaScript Developer was £45,000 in advertised job vacancies in Aylesbury during the 6 months to 20 November 2017.

The first table below provides salary benchmarking and summary statistics including a comparison to same period in the previous 2 years.

JavaScript Developer
Buckinghamshire > Aylesbury
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 19 27 13
Rank change year-on-year +8 -14 -2
Permanent jobs requiring a JavaScript Developer 42 27 21
As % of all permanent IT jobs advertised in Aylesbury 13.68% 11.49% 12.28%
As % of the Job Titles category 13.77% 11.49% 12.28%
Number of salaries quoted 51 24 21
Aylesbury median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% -
Buckinghamshire median annual salary £45,000 £45,000 £38,000
% change year-on-year - +18.42% +1.33%

The following table is for comparison with the above and includes summary statistics for all permanent IT job vacancies advertised in Aylesbury. 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 permanent jobs in our overall sample.

All Permanent IT Job Vacancies
Aylesbury
Permanent vacancies in Aylesbury with a recognized job title 305 235 171
% of permanent IT jobs with a recognized job title 99.35% 100.00% 100.00%
Number of salaries quoted 294 214 165
Aylesbury median annual salary £40,000 £42,500 £40,000
Median salary % change year-on-year -5.88% +6.25% +14.29%
10th Percentile £20,750 £26,000 £20,950
90th Percentile £61,250 £52,500 £52,500
Buckinghamshire median annual salary £42,500 £42,500 £42,500

JavaScript Developer
Job Vacancy Trend in Aylesbury

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

Job vacancy trend for JavaScript Developer in Aylesbury

JavaScript Developer
Salary Trend in Aylesbury

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JavaScript Developer in Aylesbury.

Salary trend for JavaScript Developer in Aylesbury

JavaScript Developer
Salary Histogram in Aylesbury

The salary distribution of IT jobs citing JavaScript Developer in Aylesbury over the 6 months to 20 November 2017.

Salary histogram for JavaScript Developer in Aylesbury

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills in Aylesbury

For the 6 months to 20 November 2017, JavaScript Developer job roles required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Aylesbury region featuring JavaScript Developer in the job title.

1 42 (100.00%) JavaScript
2 29 (69.05%) Node.js
2 29 (69.05%) AngularJS
3 24 (57.14%) Telecoms
4 20 (47.62%) CSS
4 20 (47.62%) .NET
4 20 (47.62%) C#
5 19 (45.24%) HTML
5 19 (45.24%) Front End Development
6 18 (42.86%) React
7 17 (40.48%) Ext JS
8 16 (38.10%) Web Development
8 16 (38.10%) SQL
8 16 (38.10%) Web Services
9 12 (28.57%) SQL Server
10 11 (26.19%) C++
11 10 (23.81%) jQuery
12 9 (21.43%) iPad
13 8 (19.05%) MVC
14 7 (16.67%) HTTP
14 7 (16.67%) HTTPS
14 7 (16.67%) Oracle
14 7 (16.67%) IIS
14 7 (16.67%) Agile Software Development
14 7 (16.67%) Subversion
14 7 (16.67%) MongoDB
14 7 (16.67%) User Experience
14 7 (16.67%) Web Application Development
14 7 (16.67%) MariaDB
15 5 (11.90%) ASP.NET

JavaScript Developer Skill Set
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 7 (16.67%) IIS
2 4 (9.52%) CMS
2 4 (9.52%) EPiServer
2 4 (9.52%) Umbraco
Applications
1 1 (2.38%) Chatbot
Communications & Networking
1 7 (16.67%) HTTP
1 7 (16.67%) HTTPS
Database & Business Intelligence
1 12 (28.57%) SQL Server
2 7 (16.67%) MariaDB
2 7 (16.67%) MongoDB
Development Applications
1 7 (16.67%) Subversion
General
1 24 (57.14%) Telecoms
2 5 (11.90%) Finance
3 1 (2.38%) Multimedia
Libraries, Frameworks & Software Standards
1 29 (69.05%) AngularJS
1 29 (69.05%) Node.js
2 20 (47.62%) .NET
2 20 (47.62%) CSS
3 19 (45.24%) HTML
4 18 (42.86%) React
5 17 (40.48%) Ext JS
6 16 (38.10%) Web Services
7 10 (23.81%) jQuery
8 5 (11.90%) ASP.NET
8 5 (11.90%) ASP.NET Web API
8 5 (11.90%) MEAN Stack
9 3 (7.14%) JSON
10 2 (4.76%) HTML5
10 2 (4.76%) XML
11 1 (2.38%) Backbone.js
Miscellaneous
1 9 (21.43%) iPad
2 7 (16.67%) User Experience
3 2 (4.76%) Greenfield Project
Processes & Methodologies
1 19 (45.24%) Front End Development
2 16 (38.10%) Web Development
3 8 (19.05%) MVC
4 7 (16.67%) Agile Software Development
4 7 (16.67%) Web Application Development
5 5 (11.90%) Scrum
6 4 (9.52%) Multithreading
7 2 (4.76%) MVVM
8 1 (2.38%) Coaching
8 1 (2.38%) People Management
Programming Languages
1 42 (100.00%) JavaScript
2 20 (47.62%) C#
3 16 (38.10%) SQL
4 11 (26.19%) C++
5 3 (7.14%) C
6 1 (2.38%) T-SQL
Vendors
1 7 (16.67%) Oracle
2 1 (2.38%) Microsoft
2 1 (2.38%) Sencha