Period
to 21 January 2018

The following table provides summary statistics for contract job vacancies advertised in Preston with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 6 months to 21 January 2018 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)
Lancashire > Preston
6 months to
21 Jan 2018
Same period 2017 Same period 2016
Rank 23 17 26
Rank change year-on-year -6 +9 -14
Contract jobs citing JavaScript 3 8 3
As % of all contract IT jobs advertised in Preston 2.00% 5.93% 1.57%
As % of the Programming Languages category 9.68% 19.05% 3.75%
Number of daily rates quoted 3 8 1
Preston median daily rate £345 £303 £813
Median daily rate % change year-on-year +14.05% -62.77% +245.74%
10th Percentile £318 £226 £794
90th Percentile £381 £376 £831
Lancashire median daily rate £400 £325 £442
% change year-on-year +23.08% -26.39% +35.85%
Number of hourly rates quoted 0 0 0
Preston median hourly rate - - -
Lancashire median hourly rate £43.00 - -

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Preston with a requirement for coding skills.

All Programming Languages
Preston
Contract vacancies with a requirement for coding skills 31 42 80
As % of all contract IT jobs advertised in Preston 20.67% 31.11% 41.88%
Number of daily rates quoted 16 21 39
Preston median daily rate £348 £325 £321
Median daily rate % change year-on-year +6.92% +1.38% +5.54%
10th Percentile £316 £223 £199
90th Percentile £430 £475 £493
Lancashire median daily rate £403 £369 £403
% change year-on-year +9.15% -8.50% +15.14%
Number of hourly rates quoted 8 14 20
Preston median hourly rate £40.75 £42.00 £37.75
Median hourly rate % change year-on-year -2.98% +11.26% +6.34%
10th Percentile £35.84 £28.18 £31.98
90th Percentile £48.93 £49.93 £46.36
Lancashire median hourly rate £42.50 £41.50 £37.75
% change year-on-year +2.41% +9.93% +6.34%

JavaScript
Job Vacancy Trend in Preston

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

Job vacancy trend for JavaScript in Preston

JavaScript
Contractor Daily Rate Trend in Preston

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

Contractor daily rate trend for JavaScript in Preston

JavaScript
Contractor Hourly Rate Trend in Preston

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

Contractor hourly rate trend for JavaScript in Preston

For the 6 months to 21 January 2018, 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 Preston region with a requirement for JavaScript.

1 3 (100.00%) CSS
1 3 (100.00%) HTML
2 2 (66.67%) React
2 2 (66.67%) ES6
2 2 (66.67%) Redux
3 1 (33.33%) C#
3 1 (33.33%) Greenfield Project
3 1 (33.33%) SQL Server 2014
3 1 (33.33%) ASP.NET MVC 5
3 1 (33.33%) PHP
3 1 (33.33%) .NET
3 1 (33.33%) MySQL
3 1 (33.33%) SQL Server
3 1 (33.33%) ASP.NET
3 1 (33.33%) MVC
3 1 (33.33%) Agile Software Development
3 1 (33.33%) TDD
3 1 (33.33%) jQuery
3 1 (33.33%) Kanban
3 1 (33.33%) Test Automation
3 1 (33.33%) ASP.NET MVC
3 1 (33.33%) BDD
3 1 (33.33%) KnockoutJS
3 1 (33.33%) Web Application Development
3 1 (33.33%) AngularJS
3 1 (33.33%) Twitter Bootstrap

JavaScript
Co-occurring IT Skills in Preston 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 1 (33.33%) MySQL
1 1 (33.33%) SQL Server
1 1 (33.33%) SQL Server 2014
Job Titles
1 3 (100.00%) Developer
2 2 (66.67%) React Developer
3 1 (33.33%) .NET Developer
3 1 (33.33%) ASP.NET MVC Developer
3 1 (33.33%) C# .NET Developer
3 1 (33.33%) C# Developer
3 1 (33.33%) SQL Developer
3 1 (33.33%) SQL Server Developer
Libraries, Frameworks & Software Standards
1 3 (100.00%) CSS
1 3 (100.00%) HTML
2 2 (66.67%) React
2 2 (66.67%) Redux
3 1 (33.33%) .NET
3 1 (33.33%) AngularJS
3 1 (33.33%) ASP.NET
3 1 (33.33%) ASP.NET MVC
3 1 (33.33%) ASP.NET MVC 5
3 1 (33.33%) jQuery
3 1 (33.33%) KnockoutJS
3 1 (33.33%) Twitter Bootstrap
Miscellaneous
1 1 (33.33%) Greenfield Project
Processes & Methodologies
1 1 (33.33%) Agile Software Development
1 1 (33.33%) BDD
1 1 (33.33%) Kanban
1 1 (33.33%) MVC
1 1 (33.33%) TDD
1 1 (33.33%) Test Automation
1 1 (33.33%) Web Application Development
Programming Languages
1 2 (66.67%) ES6
2 1 (33.33%) C#
2 1 (33.33%) PHP