Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in Buckinghamshire 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 22 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)
South East > Buckinghamshire
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 16 14 25
Rank change year-on-year -2 +11 0
Contract jobs citing JavaScript 204 159 163
As % of all contract IT jobs advertised in Buckinghamshire 8.64% 9.09% 6.22%
As % of the Programming Languages category 22.37% 27.99% 19.71%
Number of daily rates quoted 93 97 95
Buckinghamshire median daily rate £375 £350 £355
Median daily rate % change year-on-year +7.14% -1.41% -1.66%
10th Percentile £300 £263 £250
90th Percentile £493 £475 £438
South East median daily rate £400 £375 £375
% change year-on-year +6.67% - +7.14%
Number of hourly rates quoted 4 2 2
Buckinghamshire median hourly rate £29.00 £41.25 £37.01
Median hourly rate % change year-on-year -29.70% +11.46% -
10th Percentile £16.85 £36.78 £32.63
90th Percentile £53.05 £45.13 £39.99
South East median hourly rate £45.00 £46.00 £36.00
% change year-on-year -2.17% +27.78% +10.77%

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 Buckinghamshire with a requirement for coding skills.

All Programming Languages
Buckinghamshire
Contract vacancies with a requirement for coding skills 912 568 827
As % of all contract IT jobs advertised in Buckinghamshire 38.61% 32.48% 31.58%
Number of daily rates quoted 399 282 402
Buckinghamshire median daily rate £388 £365 £350
Median daily rate % change year-on-year +6.16% +4.29% -
10th Percentile £291 £263 £231
90th Percentile £525 £500 £500
South East median daily rate £413 £400 £375
% change year-on-year +3.13% +6.67% +7.14%
Number of hourly rates quoted 15 20 19
Buckinghamshire median hourly rate £45.00 £37.50 £22.50
Median hourly rate % change year-on-year +20.00% +66.67% +50.00%
10th Percentile £18.50 £14.65 £12.95
90th Percentile £77.50 £62.50 £45.30
South East median hourly rate £45.00 £40.00 £37.50
% change year-on-year +12.50% +6.67% +7.14%

JavaScript
Job Vacancy Trend in Buckinghamshire

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

Job vacancy trend for JavaScript in Buckinghamshire

JavaScript
Contractor Daily Rate Trend in Buckinghamshire

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

Contractor daily rate trend for JavaScript in Buckinghamshire

JavaScript
Contractor Daily Rate Histogram in Buckinghamshire

The daily rate distribution of IT jobs citing JavaScript in Buckinghamshire over the 6 months to 22 November 2017.

Contractor daily rate histogram for JavaScript in Buckinghamshire

JavaScript
Contractor Hourly Rate Trend in Buckinghamshire

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

Contractor hourly rate trend for JavaScript in Buckinghamshire

JavaScript
Contractor Hourly Rate Histogram in Buckinghamshire

The hourly rate distribution of IT jobs citing JavaScript in Buckinghamshire over the 6 months to 22 November 2017.

Contractor hourly rate histogram for JavaScript in Buckinghamshire

JavaScript
Contract Job Locations in Buckinghamshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the Buckinghamshire region over the 6 months to 22 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Milton Keynes +4 130 £351 +3.09% 17
Aylesbury -1 13 £494 +31.67% 15
High Wycombe -9 5 £413 +17.86% 3
Marlow - 3 - - 1
Beaconsfield - 1 £300 -
Gerrards Cross - 1 £325 -
Amersham - 1 £300 -
JavaScript
South East

For the 6 months to 22 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 Buckinghamshire region with a requirement for JavaScript.

1 119 (58.33%) HTML
2 100 (49.02%) Java
3 94 (46.08%) Agile Software Development
4 93 (45.59%) CSS
5 79 (38.73%) AngularJS
6 61 (29.90%) Spring
6 61 (29.90%) Git (software)
7 58 (28.43%) Jenkins
8 57 (27.94%) Finance
9 50 (24.51%) TDD
10 47 (23.04%) Banking
10 47 (23.04%) SQL
11 45 (22.06%) RESTful
12 43 (21.08%) C#
13 42 (20.59%) MVC
13 42 (20.59%) HTML5
14 41 (20.10%) jQuery
15 40 (19.61%) CSS3
16 37 (18.14%) JSON
16 37 (18.14%) .NET
17 36 (17.65%) JIRA
18 35 (17.16%) REST
19 34 (16.67%) Continuous Integration
19 34 (16.67%) Web Services
20 33 (16.18%) Spring Boot
21 31 (15.20%) Node.js
21 31 (15.20%) Web Development
21 31 (15.20%) Ruby
22 30 (14.71%) ASP.NET
23 29 (14.22%) Scrum

JavaScript
Co-occurring IT Skills in Buckinghamshire 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 13 (6.37%) Confluence
2 12 (5.88%) CMS
3 11 (5.39%) WebSphere
4 9 (4.41%) WebSphere Application Server
5 8 (3.92%) Drupal
5 8 (3.92%) Oracle SOA Suite
6 7 (3.43%) EPiServer
7 6 (2.94%) JBoss
8 5 (2.45%) WebLogic
9 4 (1.96%) NServiceBus
9 4 (1.96%) SharePoint
10 3 (1.47%) IIS
11 2 (0.98%) Alfresco
11 2 (0.98%) Liferay
11 2 (0.98%) SharePoint 2013
11 2 (0.98%) Umbraco
12 1 (0.49%) Elasticsearch
12 1 (0.49%) nginx
12 1 (0.49%) OpenEdge
12 1 (0.49%) WordPress
Applications
1 2 (0.98%) Photoshop
2 1 (0.49%) GIMP
Business Applications
1 1 (0.49%) Magento
Cloud Services
1 19 (9.31%) Microsoft Azure
2 14 (6.86%) Amazon AWS
3 9 (4.41%) PaaS
4 8 (3.92%) Google Analytics
5 5 (2.45%) Google Checkout
6 4 (1.96%) Sauce Labs
7 3 (1.47%) Cloud Computing
7 3 (1.47%) OpenShift
7 3 (1.47%) SaaS
8 2 (0.98%) Adobe Analytics
8 2 (0.98%) AWS Lambda
8 2 (0.98%) BrowserStack
8 2 (0.98%) Google Tag Manager
8 2 (0.98%) Serverless
9 1 (0.49%) Adobe Creative Cloud
9 1 (0.49%) Akamai
9 1 (0.49%) GitHub
9 1 (0.49%) npm
9 1 (0.49%) Salesforce Sales Cloud
9 1 (0.49%) Salesforce Service Cloud
Communications & Networking
1 15 (7.35%) Internet
2 11 (5.39%) HTTP
3 6 (2.94%) Intranet
4 4 (1.96%) Firewall
5 1 (0.49%) Extranet
Database & Business Intelligence
1 19 (9.31%) SQL Server
2 13 (6.37%) MySQL
3 12 (5.88%) NoSQL
4 11 (5.39%) MongoDB
5 10 (4.90%) Redis
6 9 (4.41%) Big Data
7 8 (3.92%) PostgreSQL
8 6 (2.94%) Hadoop
9 5 (2.45%) Endeca
10 2 (0.98%) Amazon DynamoDB
10 2 (0.98%) DB2
10 2 (0.98%) Oracle Database
10 2 (0.98%) SQL Server 2005
11 1 (0.49%) Amazon RDS
11 1 (0.49%) MariaDB
11 1 (0.49%) QlikView
11 1 (0.49%) SQL Server 2008
11 1 (0.49%) SQL Server 2012
11 1 (0.49%) SQL Server 2016
11 1 (0.49%) SQL Server Reporting Services
Development Applications
1 61 (29.90%) Git (software)
2 58 (28.43%) Jenkins
3 36 (17.65%) JIRA
4 21 (10.29%) Eclipse
5 18 (8.82%) Visual Studio
6 17 (8.33%) Selenium
7 11 (5.39%) Maven
8 10 (4.90%) Bitbucket
8 10 (4.90%) Cucumber
8 10 (4.90%) Subversion
9 7 (3.43%) Appium
9 7 (3.43%) GitLab
9 7 (3.43%) Protractor
10 6 (2.94%) Ant
10 6 (2.94%) Atlassian Bamboo
10 6 (2.94%) git-flow
10 6 (2.94%) Hudson
10 6 (2.94%) JUnit
10 6 (2.94%) WebDriver
11 5 (2.45%) Team Foundation Server
General
1 57 (27.94%) Finance
2 47 (23.04%) Banking
3 15 (7.35%) Retail
4 12 (5.88%) Marketing
5 4 (1.96%) Corporate Banking
5 4 (1.96%) Telecoms
6 3 (1.47%) Retail Banking
7 2 (0.98%) Pharmaceutical
7 2 (0.98%) Spanish Language
8 1 (0.49%) Games
8 1 (0.49%) Manufacturing
Job Titles
1 158 (77.45%) Developer
2 47 (23.04%) Java Developer
3 28 (13.73%) JavaScript Developer
4 25 (12.25%) Angular Developer
5 24 (11.76%) Full Stack Developer
6 21 (10.29%) .NET Developer
7 18 (8.82%) C# Developer
7 18 (8.82%) Front End Developer (Client-Side Developer)
8 15 (7.35%) Tester
9 14 (6.86%) Web Developer
10 13 (6.37%) Automation Tester
11 10 (4.90%) Architect
11 10 (4.90%) ASP.NET Developer
11 10 (4.90%) C# .NET Developer
11 10 (4.90%) HTML Developer
12 9 (4.41%) HTML CSS Developer
12 9 (4.41%) Senior Developer
13 8 (3.92%) PHP Developer
14 7 (3.43%) Designer
14 7 (3.43%) QA Tester
Libraries, Frameworks & Software Standards
1 119 (58.33%) HTML
2 93 (45.59%) CSS
3 79 (38.73%) AngularJS
4 61 (29.90%) Spring
5 45 (22.06%) RESTful
6 42 (20.59%) HTML5
7 41 (20.10%) jQuery
8 40 (19.61%) CSS3
9 37 (18.14%) .NET
9 37 (18.14%) JSON
10 35 (17.16%) REST
11 34 (16.67%) Web Services
12 33 (16.18%) Spring Boot
13 31 (15.20%) Node.js
14 30 (14.71%) ASP.NET
15 28 (13.73%) SOAP
16 20 (9.80%) Java EE
16 20 (9.80%) XML
17 19 (9.31%) Ajax
17 19 (9.31%) Hibernate
Miscellaneous
1 13 (6.37%) User Experience
2 9 (4.41%) Analytical Skills
3 6 (2.94%) Mobile App
4 5 (2.45%) Computer Science
4 5 (2.45%) Greenfield Project
5 3 (1.47%) Enterprise Cloud
5 3 (1.47%) Graphic Design
5 3 (1.47%) W3C
6 2 (0.98%) Cloud Native
6 2 (0.98%) N-Tier
6 2 (0.98%) Virtual Team
7 1 (0.49%) Distributed Denial-of-Service
7 1 (0.49%) Fintech
7 1 (0.49%) iPad
7 1 (0.49%) Mobile Banking
7 1 (0.49%) Robotics
Operating Systems
1 18 (8.82%) Windows
2 9 (4.41%) Linux
3 6 (2.94%) Android
3 6 (2.94%) Apple iOS
3 6 (2.94%) Mac OS X
3 6 (2.94%) Unix
Processes & Methodologies
1 94 (46.08%) Agile Software Development
2 50 (24.51%) TDD
3 42 (20.59%) MVC
4 34 (16.67%) Continuous Integration
5 31 (15.20%) Web Development
6 29 (14.22%) Scrum
7 27 (13.24%) Front End Development
7 27 (13.24%) Microservices
8 25 (12.25%) Test Automation
9 20 (9.80%) BDD
10 19 (9.31%) API Development
10 19 (9.31%) E-Commerce
11 15 (7.35%) Continuous Delivery
12 13 (6.37%) SDLC
12 13 (6.37%) SOA
12 13 (6.37%) Unit Testing
13 12 (5.88%) OO
14 10 (4.90%) Analytics
15 9 (4.41%) Mentoring
16 8 (3.92%) DevOps
Programming Languages
1 100 (49.02%) Java
2 47 (23.04%) SQL
3 43 (21.08%) C#
4 31 (15.20%) Ruby
5 19 (9.31%) PHP
6 11 (5.39%) Perl
7 8 (3.92%) Python
8 6 (2.94%) Apple Swift
9 5 (2.45%) ES6
9 5 (2.45%) T-SQL
10 4 (1.96%) GraphQL
10 4 (1.96%) VB
11 3 (1.47%) Go
11 3 (1.47%) PHP 5
11 3 (1.47%) PHP 7
11 3 (1.47%) PowerShell
11 3 (1.47%) Scala
12 2 (0.98%) C
13 1 (0.49%) C++
13 1 (0.49%) VBA
Qualifications
1 12 (5.88%) Degree
2 3 (1.47%) Computer Science Degree
2 3 (1.47%) SC Cleared
2 3 (1.47%) Security Cleared
3 1 (0.49%) BPSS Clearance
3 1 (0.49%) OCA
3 1 (0.49%) Oracle Certification
Quality Assurance & Compliance
1 16 (7.84%) QA
2 2 (0.98%) WAI
3 1 (0.49%) GDPR
System Software
1 12 (5.88%) Docker
Systems Management
1 6 (2.94%) Ansible
2 3 (1.47%) HP Quality Center
Vendors
1 17 (8.33%) Microsoft
1 17 (8.33%) Oracle
2 16 (7.84%) IBM
3 13 (6.37%) MuleSoft
4 9 (4.41%) Apigee
4 9 (4.41%) Google
4 9 (4.41%) WSO2
5 6 (2.94%) Atlassian
6 5 (2.45%) CA
6 5 (2.45%) Coremetrics
6 5 (2.45%) hybris
6 5 (2.45%) Nimsoft
6 5 (2.45%) PayPal
6 5 (2.45%) Remedy
7 4 (1.96%) Adobe
8 3 (1.47%) Avaya
8 3 (1.47%) HP
9 2 (0.98%) OpenText
9 2 (0.98%) Red Hat
9 2 (0.98%) Salesforce.com