Period
to 20 November 2017

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 6 months to 20 November 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
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 3 2 3
Rank change year-on-year -1 +1 -
Contract jobs citing JavaScript 11 26 6
As % of all contract IT jobs advertised in Aylesbury 23.91% 61.90% 26.09%
As % of the Programming Languages category 64.71% 89.66% 46.15%
Number of daily rates quoted 3 18 3
Aylesbury median daily rate £550 £375 £450
Median daily rate % change year-on-year +46.67% -16.67% -
10th Percentile £450 £320 £330
90th Percentile £615 £487 £535
Buckinghamshire median daily rate £375 £350 £350
% change year-on-year +7.14% - -2.91%
Number of hourly rates quoted 1 2 0
Aylesbury median hourly rate £60.00 £41.25 -
Median hourly rate % change year-on-year +45.45% - -
Buckinghamshire median hourly rate £29.00 £41.25 £37.01
% change year-on-year -29.70% +11.46% -

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 Aylesbury with a requirement for coding skills.

All Programming Languages
Aylesbury
Contract vacancies with a requirement for coding skills 17 29 13
As % of all contract IT jobs advertised in Aylesbury 36.96% 69.05% 56.52%
Number of daily rates quoted 3 19 8
Aylesbury median daily rate £550 £375 £314
Median daily rate % change year-on-year +46.67% +19.52% -4.92%
10th Percentile £450 £318 £235
90th Percentile £615 £483 £498
Buckinghamshire median daily rate £388 £365 £350
% change year-on-year +6.16% +4.29% -
Number of hourly rates quoted 1 2 0
Aylesbury median hourly rate £60.00 £41.25 -
Median hourly rate % change year-on-year +45.45% - -
Buckinghamshire median hourly rate £45.00 £37.50 £22.50
% change year-on-year +20.00% +66.67% +50.00%

JavaScript
Job Vacancy Trend in Aylesbury

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

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 Daily Rate Histogram in Aylesbury

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

Contractor daily rate histogram 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 20 November 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 8 (72.73%) HTML
1 8 (72.73%) CSS
2 7 (63.64%) C#
2 7 (63.64%) TDD
2 7 (63.64%) Microsoft Azure
3 6 (54.55%) MVC
3 6 (54.55%) Digital Transformation Programme
3 6 (54.55%) EPiServer
3 6 (54.55%) CMS
3 6 (54.55%) Visual Studio
4 5 (45.45%) CSS3
5 4 (36.36%) .NET
6 3 (27.27%) Java
7 2 (18.18%) SQL
7 2 (18.18%) IIS
7 2 (18.18%) SQL Server
7 2 (18.18%) HTTP
7 2 (18.18%) Technical Architecture
7 2 (18.18%) JIRA
7 2 (18.18%) MongoDB
7 2 (18.18%) Firewall
7 2 (18.18%) Node.js
7 2 (18.18%) Amazon AWS
7 2 (18.18%) Bitbucket
8 1 (9.09%) MariaDB
8 1 (9.09%) AngularJS
8 1 (9.09%) Express
8 1 (9.09%) Analytics
8 1 (9.09%) Amazon RDS
8 1 (9.09%) New Relic

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 6 (54.55%) CMS
1 6 (54.55%) EPiServer
2 2 (18.18%) IIS
3 1 (9.09%) Drupal
Cloud Services
1 7 (63.64%) Microsoft Azure
2 2 (18.18%) Amazon AWS
3 1 (9.09%) Akamai
3 1 (9.09%) AWS Lambda
3 1 (9.09%) BrowserStack
3 1 (9.09%) GitHub
3 1 (9.09%) Google Analytics
3 1 (9.09%) npm
3 1 (9.09%) SaaS
3 1 (9.09%) Serverless
3 1 (9.09%) Slack
Communications & Networking
1 2 (18.18%) Firewall
1 2 (18.18%) HTTP
Database & Business Intelligence
1 2 (18.18%) MongoDB
1 2 (18.18%) SQL Server
2 1 (9.09%) Amazon RDS
2 1 (9.09%) MariaDB
2 1 (9.09%) MySQL
2 1 (9.09%) NoSQL
2 1 (9.09%) QlikView
2 1 (9.09%) SQL Server Reporting Services
Development Applications
1 6 (54.55%) Visual Studio
2 2 (18.18%) Bitbucket
2 2 (18.18%) JIRA
3 1 (9.09%) Git (software)
3 1 (9.09%) JUnit
3 1 (9.09%) LoadRunner
3 1 (9.09%) Octopus Deploy
3 1 (9.09%) Selenium
3 1 (9.09%) SoapUI
3 1 (9.09%) Subversion
3 1 (9.09%) TeamCity
General
1 1 (9.09%) Finance
1 1 (9.09%) Marketing
Job Titles
1 7 (63.64%) Developer
2 6 (54.55%) EPiServer Developer
3 2 (18.18%) Lead Developer
4 1 (9.09%) Analyst
4 1 (9.09%) Applications Support
4 1 (9.09%) Applications Support Analyst
4 1 (9.09%) Architect
4 1 (9.09%) Consultant
4 1 (9.09%) IT Architect
4 1 (9.09%) Java Consultant
4 1 (9.09%) Java Developer
4 1 (9.09%) Lead Java Developer
4 1 (9.09%) QA Tester
4 1 (9.09%) Software Team Leader
4 1 (9.09%) SQL Analyst
4 1 (9.09%) SQL Support Analyst
4 1 (9.09%) Support Analyst
4 1 (9.09%) Team Leader
4 1 (9.09%) Tester
4 1 (9.09%) Web Tester
Libraries, Frameworks & Software Standards
1 8 (72.73%) CSS
1 8 (72.73%) HTML
2 5 (45.45%) CSS3
3 4 (36.36%) .NET
4 2 (18.18%) Node.js
5 1 (9.09%) AngularJS
5 1 (9.09%) Express
5 1 (9.09%) Google Maps API
5 1 (9.09%) React
5 1 (9.09%) SOAP
5 1 (9.09%) Symfony
5 1 (9.09%) Web Services
Miscellaneous
1 1 (9.09%) Distributed Denial-of-Service
1 1 (9.09%) Fintech
Operating Systems
1 1 (9.09%) Windows
Processes & Methodologies
1 7 (63.64%) TDD
2 6 (54.55%) Digital Transformation Programme
2 6 (54.55%) MVC
3 2 (18.18%) Technical Architecture
4 1 (9.09%) Acceptance Criteria
4 1 (9.09%) Agile Software Development
4 1 (9.09%) Change Management
4 1 (9.09%) Content Management
4 1 (9.09%) Continuous Integration
4 1 (9.09%) Cost-Benefit Analysis
4 1 (9.09%) Data Extraction
4 1 (9.09%) Digital Marketing
4 1 (9.09%) ETL
4 1 (9.09%) Problem Management
4 1 (9.09%) Release Automation
4 1 (9.09%) Scenario Testing
4 1 (9.09%) Test Management
4 1 (9.09%) Test Scripting
4 1 (9.09%) Unit Testing
4 1 (9.09%) Workflow
Programming Languages
1 7 (63.64%) C#
2 3 (27.27%) Java
3 2 (18.18%) SQL
4 1 (9.09%) C++
4 1 (9.09%) PHP
4 1 (9.09%) PowerShell
4 1 (9.09%) VB
4 1 (9.09%) VBA
Qualifications
1 1 (9.09%) BPSS Clearance
1 1 (9.09%) SC Cleared
1 1 (9.09%) Security Cleared
Quality Assurance & Compliance
1 1 (9.09%) QA
Vendors
1 1 (9.09%) Google
1 1 (9.09%) Microsoft
1 1 (9.09%) New Relic
1 1 (9.09%) Oracle
1 1 (9.09%) Splunk