The following table provides summary statistics for permanent job vacancies advertised in Chesterfield with a requirement for JavaScript skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JavaScript over the 3 months to 22 June 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Derbyshire / Chesterfield
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 8 20 19
Rank change year-on-year +12 -1  
Permanent jobs citing JavaScript 2 1 2
As % of all permanent IT jobs advertised in Chesterfield 7.69% 1.30% 1.57%
As % of the Programming Languages category 25.00% 3.70% 8.00%
Number of salaries quoted 2 1 2
Median salary £27,500 £27,500 £37,500
Median salary % change year-on-year - -26.66%  
UK excluding London median salary £40,000 £40,000 £39,000
% change year-on-year - +2.56%  

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

Programming Language Skills
Chesterfield
Permanent job vacancies with a requirement for programming language skills 8 27 25
As % of all permanent IT job vacancies advertised in Chesterfield 30.77% 35.06% 19.69%
Number of salaries quoted 8 21 23
Median salary £34,500 £47,500 £45,000
Median salary % change year-on-year -27.36% +5.55%  
90% offered a salary of more than £25,000 £38,500 £37,500
10% offered a salary of more than £41,500 £45,000 £47,500
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year +3.65% +2.50%  

JavaScript
Job Vacancy Trend in Chesterfield

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

Job vacancy trend for JavaScript in Chesterfield

JavaScript
Salary Trend in Chesterfield

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

Salary trend for JavaScript in Chesterfield

For the 6 months to 22 June 2017, IT jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Chesterfield region with a requirement for JavaScript.

1 8 (100.00%) HTML
2 6 (75.00%) Agile Software Development
2 6 (75.00%) .NET
2 6 (75.00%) SQL Server
3 4 (50.00%) Web Development
3 4 (50.00%) User Stories
3 4 (50.00%) TDD
3 4 (50.00%) Pair Programming
3 4 (50.00%) Ajax
3 4 (50.00%) Local Government
3 4 (50.00%) SQL
3 4 (50.00%) CSS
3 4 (50.00%) XML
3 4 (50.00%) XSL
3 4 (50.00%) Microsoft
3 4 (50.00%) Continuous Improvement
3 4 (50.00%) Virtual Team
4 2 (25.00%) Backbone.js
4 2 (25.00%) KnockoutJS
4 2 (25.00%) Wireframes
4 2 (25.00%) ASP.NET
4 2 (25.00%) Smartphone
4 2 (25.00%) Validation
4 2 (25.00%) Mobile App
4 2 (25.00%) Apache Cordova
4 2 (25.00%) React
4 2 (25.00%) SDLC
4 2 (25.00%) Front End Development
4 2 (25.00%) C#
4 2 (25.00%) Responsive Web Design

JavaScript
Co-occurring IT Skills in Chesterfield 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:

Database & Business Intelligence
1 6 (75.00%) SQL Server
General
1 4 (50.00%) Local Government
Job Titles
1 8 (100.00%) Developer
2 5 (62.50%) .NET Developer
2 5 (62.50%) .NET Software Developer
3 2 (25.00%) Angular Developer
3 2 (25.00%) Front End Developer (Client-Side Developer)
3 2 (25.00%) HTML CSS Developer
3 2 (25.00%) HTML Developer
3 2 (25.00%) JavaScript Developer
3 2 (25.00%) Software Developer
4 1 (12.50%) C# .NET Developer
4 1 (12.50%) C# Developer
4 1 (12.50%) C# Software Developer
4 1 (12.50%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 8 (100.00%) HTML
2 6 (75.00%) .NET
3 4 (50.00%) Ajax
3 4 (50.00%) CSS
3 4 (50.00%) XML
3 4 (50.00%) XSL
4 2 (25.00%) AngularJS
4 2 (25.00%) Apache Cordova
4 2 (25.00%) ASP.NET
4 2 (25.00%) Backbone.js
4 2 (25.00%) KnockoutJS
4 2 (25.00%) LESS
4 2 (25.00%) React
4 2 (25.00%) Sass
Miscellaneous
1 4 (50.00%) Virtual Team
2 2 (25.00%) Mobile App
2 2 (25.00%) Smartphone
Processes & Methodologies
1 6 (75.00%) Agile Software Development
2 4 (50.00%) Continuous Improvement
2 4 (50.00%) Pair Programming
2 4 (50.00%) TDD
2 4 (50.00%) User Stories
2 4 (50.00%) Web Development
3 2 (25.00%) Front End Development
3 2 (25.00%) Responsive Web Design
3 2 (25.00%) SDLC
3 2 (25.00%) Validation
3 2 (25.00%) Wireframes
Programming Languages
1 4 (50.00%) SQL
2 2 (25.00%) C#
Vendors
1 4 (50.00%) Microsoft