Period
to 17 November 2018

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 17 November 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)
South East > Buckinghamshire
6 months to
17 Nov 2018
Same period 2017 Same period 2016
Rank 11 19 14
Rank change year-on-year +8 -5 +14
Contract jobs citing JavaScript 212 205 162
As % of all contract IT jobs advertised in Buckinghamshire 12.33% 8.60% 9.12%
As % of the Programming Languages category 31.50% 22.48% 27.98%
Number of daily rates quoted 139 91 100
Buckinghamshire median daily rate £415 £375 £350
Median daily rate % change year-on-year +10.67% +7.14% -
10th Percentile £296 £300 £263
90th Percentile £500 £488 £475
South East median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 1 4 2
Buckinghamshire median hourly rate £42.50 £29.00 £41.25
Median hourly rate % change year-on-year +46.55% -29.70% +11.46%
10th Percentile £41.25 £16.85 £36.78
90th Percentile £43.75 £53.05 £45.13
South East median hourly rate £42.50 £45.00 £45.00
% change year-on-year -5.56% - +25.00%

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 Buckinghamshire with a requirement for coding skills.

All Programming Languages
Buckinghamshire
Contract vacancies with a requirement for coding skills 673 912 579
As % of all contract IT jobs advertised in Buckinghamshire 39.15% 38.24% 32.60%
Number of daily rates quoted 405 399 290
Buckinghamshire median daily rate £415 £380 £365
Median daily rate % change year-on-year +9.21% +4.11% +4.29%
10th Percentile £299 £284 £263
90th Percentile £556 £525 £500
South East median daily rate £425 £413 £400
% change year-on-year +3.03% +3.13% +6.67%
Number of hourly rates quoted 3 15 20
Buckinghamshire median hourly rate £42.50 £45.00 £37.50
Median hourly rate % change year-on-year -5.56% +20.00% +66.67%
10th Percentile £21.58 £18.50 £14.65
90th Percentile £46.75 £77.50 £62.50
South East median hourly rate £45.00 £45.00 £40.00
% change year-on-year - +12.50% +6.67%

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 17 November 2018.

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
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 17 November 2018. 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 +10 128 £400 +14.20% 46
High Wycombe +6 13 £433 +4.85% 4
Aylesbury +1 11 £360 -34.55% 15
Beaconsfield 0 7 £525 +75.00% 4
Marlow -3 5 £338 - 6
Buckingham - 1 £370 -
Chesham - 1 £250 - 2
JavaScript
South East

For the 6 months to 17 November 2018, IT contractor jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Buckinghamshire region with a requirement for JavaScript.

1 102 (48.11%) Agile Software Development
2 84 (39.62%) HTML
3 72 (33.96%) CSS
4 71 (33.49%) Java
5 62 (29.25%) SQL
6 56 (26.42%) C#
7 55 (25.94%) Finance
8 52 (24.53%) AngularJS
9 50 (23.58%) Node.js
10 49 (23.11%) .NET
11 47 (22.17%) Front End Development
12 42 (19.81%) React
13 40 (18.87%) Git (software)
14 39 (18.40%) HTML5
15 38 (17.92%) Web Development
15 38 (17.92%) TDD
15 38 (17.92%) Spring
16 36 (16.98%) Test Automation
17 33 (15.57%) MVC
18 27 (12.74%) BDD
19 26 (12.26%) Spring Boot
20 25 (11.79%) REST
20 25 (11.79%) jQuery
20 25 (11.79%) ASP.NET
21 24 (11.32%) Continuous Integration
22 23 (10.85%) SQL Server
23 22 (10.38%) Oracle
23 22 (10.38%) CSS3
24 21 (9.91%) Sass
24 21 (9.91%) SOAP

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 (6.13%) CMS
2 11 (5.19%) WebSphere
3 9 (4.25%) WebSphere Application Server
4 8 (3.77%) Drupal
4 8 (3.77%) EPiServer
5 7 (3.30%) WordPress
6 6 (2.83%) Umbraco
7 5 (2.36%) IIS
8 3 (1.42%) Tomcat
9 2 (0.94%) Apache
9 2 (0.94%) Confluence
9 2 (0.94%) Oracle SOA Suite
9 2 (0.94%) SharePoint
9 2 (0.94%) SharePoint 2010
9 2 (0.94%) SharePoint 2013
10 1 (0.47%) concrete5
10 1 (0.47%) Elasticsearch
10 1 (0.47%) IBM Domino
10 1 (0.47%) Kentico
Applications
1 1 (0.47%) Microsoft Office
1 1 (0.47%) Spreadsheet
Business Applications
1 9 (4.25%) Magento
2 6 (2.83%) Maximo
3 5 (2.36%) Dynamics CRM
4 2 (0.94%) Workday HCM
Cloud Services
1 20 (9.43%) Microsoft Azure
2 13 (6.13%) GitHub
3 7 (3.30%) Office 365
4 5 (2.36%) Dynamics 365
4 5 (2.36%) iPaaS
4 5 (2.36%) OpenShift
5 4 (1.89%) SaaS
6 2 (0.94%) Amazon AWS
6 2 (0.94%) npm
7 1 (0.47%) Google Analytics
7 1 (0.47%) Google Tag Manager
7 1 (0.47%) PaaS
7 1 (0.47%) Twilio
Communications & Networking
1 4 (1.89%) HTTP
2 2 (0.94%) Firewall
2 2 (0.94%) SSL
3 1 (0.47%) Internet
3 1 (0.47%) Intranet
3 1 (0.47%) MQTT
Database & Business Intelligence
1 23 (10.85%) SQL Server
2 14 (6.60%) Relational Database
3 11 (5.19%) MySQL
4 8 (3.77%) PostgreSQL
4 8 (3.77%) RDBMS
5 6 (2.83%) DB2
6 2 (0.94%) Redis
6 2 (0.94%) UniData
7 1 (0.47%) Big Data
7 1 (0.47%) GIS
7 1 (0.47%) MongoDB
7 1 (0.47%) mvBase
7 1 (0.47%) NoSQL
7 1 (0.47%) OpenQM
7 1 (0.47%) SQL Server 2012
7 1 (0.47%) SQL Server 2014
7 1 (0.47%) SQL Server 2016
7 1 (0.47%) SQL Server Reporting Services
Development Applications
1 40 (18.87%) Git (software)
2 17 (8.02%) Jenkins
3 10 (4.72%) JIRA
3 10 (4.72%) Team Foundation Server
4 8 (3.77%) Appium
4 8 (3.77%) Visual Studio
5 7 (3.30%) Selenium
6 6 (2.83%) Cucumber
6 6 (2.83%) Maven
7 5 (2.36%) Babel
7 5 (2.36%) Moq
7 5 (2.36%) MSTest
8 4 (1.89%) Mocha
9 3 (1.42%) Atlassian Bamboo
9 3 (1.42%) Bitbucket
9 3 (1.42%) Karma Test Runner
9 3 (1.42%) Protractor
9 3 (1.42%) WebDriver
9 3 (1.42%) webpack
10 2 (0.94%) Xcode
General
1 55 (25.94%) Finance
2 18 (8.49%) Banking
3 5 (2.36%) Law
3 5 (2.36%) Retail
4 2 (0.94%) Corporate Banking
4 2 (0.94%) Investment Banking
4 2 (0.94%) Marketing
4 2 (0.94%) Retail Banking
5 1 (0.47%) Aerospace
5 1 (0.47%) Automotive
5 1 (0.47%) Back Office
5 1 (0.47%) Manufacturing
5 1 (0.47%) Multimedia
Job Titles
1 169 (79.72%) Developer
2 56 (26.42%) JavaScript Developer
3 29 (13.68%) Java Developer
4 27 (12.74%) Front End Developer (Client-Side Developer)
5 25 (11.79%) .NET Developer
6 22 (10.38%) Web Developer
7 17 (8.02%) Full Stack Developer
7 17 (8.02%) React Developer
8 14 (6.60%) Angular Developer
8 14 (6.60%) Senior Developer
9 13 (6.13%) UI Developer
10 10 (4.72%) Node.js Developer
10 10 (4.72%) Senior Java Developer
11 9 (4.25%) Automation Tester
11 9 (4.25%) Software Developer
11 9 (4.25%) Tester
12 7 (3.30%) HTML Developer
13 6 (2.83%) C# Developer
13 6 (2.83%) Drupal Developer
13 6 (2.83%) Maximo Developer
Libraries, Frameworks & Software Standards
1 84 (39.62%) HTML
2 72 (33.96%) CSS
3 52 (24.53%) AngularJS
4 50 (23.58%) Node.js
5 49 (23.11%) .NET
6 42 (19.81%) React
7 39 (18.40%) HTML5
8 38 (17.92%) Spring
9 26 (12.26%) Spring Boot
10 25 (11.79%) ASP.NET
10 25 (11.79%) jQuery
10 25 (11.79%) REST
11 22 (10.38%) CSS3
12 21 (9.91%) Sass
12 21 (9.91%) SOAP
13 20 (9.43%) ASP.NET Web API
13 20 (9.43%) Twitter Bootstrap
14 19 (8.96%) XML
15 18 (8.49%) Web Services
16 16 (7.55%) ASP.NET MVC
Miscellaneous
1 20 (9.43%) User Experience
2 14 (6.60%) Analytical Skills
3 9 (4.25%) iPad
4 8 (3.77%) Data Structures
5 6 (2.83%) Computer Science
6 5 (2.36%) CMDB
6 5 (2.36%) Greenfield Project
7 4 (1.89%) Fintech
8 3 (1.42%) PKI
8 3 (1.42%) Self-Motivation
8 3 (1.42%) Virtual Team
9 2 (0.94%) Mobile App
9 2 (0.94%) N-Tier
9 2 (0.94%) Replication
10 1 (0.47%) Client/Server
10 1 (0.47%) Enterprise Software
10 1 (0.47%) RIA
10 1 (0.47%) Robotics
Operating Systems
1 15 (7.08%) Windows
2 6 (2.83%) Android
2 6 (2.83%) Apple iOS
3 5 (2.36%) Linux
3 5 (2.36%) Windows Server 2003
3 5 (2.36%) Windows Server 2008
3 5 (2.36%) Windows Server 2012
4 3 (1.42%) Windows Server
5 2 (0.94%) Mac OS X
Processes & Methodologies
1 102 (48.11%) Agile Software Development
2 47 (22.17%) Front End Development
3 38 (17.92%) TDD
3 38 (17.92%) Web Development
4 36 (16.98%) Test Automation
5 33 (15.57%) MVC
6 27 (12.74%) BDD
7 24 (11.32%) Continuous Integration
8 19 (8.96%) Scrum
9 17 (8.02%) OO
10 15 (7.08%) Continuous Delivery
10 15 (7.08%) Software Engineering
11 14 (6.60%) Problem-Solving
12 13 (6.13%) E-Commerce
13 11 (5.19%) OOP
14 10 (4.72%) Continuous Improvement
14 10 (4.72%) Deployment Automation
14 10 (4.72%) ITIL
15 9 (4.25%) Microservices
16 8 (3.77%) API Development
Programming Languages
1 71 (33.49%) Java
2 62 (29.25%) SQL
3 56 (26.42%) C#
4 11 (5.19%) C++
5 10 (4.72%) PHP
6 9 (4.25%) PowerShell
7 7 (3.30%) Python
8 5 (2.36%) ES6
9 4 (1.89%) T-SQL
10 3 (1.42%) Ruby
10 3 (1.42%) TypeScript
11 2 (0.94%) Apple Swift
11 2 (0.94%) SOQL
11 2 (0.94%) VB
12 1 (0.47%) C
12 1 (0.47%) Delphi
12 1 (0.47%) PL/SQL
12 1 (0.47%) Shell Script
12 1 (0.47%) VB.NET
12 1 (0.47%) VBA
Qualifications
1 14 (6.60%) Security Cleared
2 11 (5.19%) Degree
3 8 (3.77%) SC Cleared
4 5 (2.36%) DV Cleared
4 5 (2.36%) Master's Degree
4 5 (2.36%) Microsoft Certification
5 4 (1.89%) MCP
5 4 (1.89%) MCSE
6 3 (1.42%) CTC Cleared
7 1 (0.47%) BPSS Clearance
7 1 (0.47%) Computer Science Degree
7 1 (0.47%) DBS Check
7 1 (0.47%) ISTQB
7 1 (0.47%) ISTQB Foundation Certification
7 1 (0.47%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 11 (5.19%) QA
2 2 (0.94%) Data Quality
System Software
1 14 (6.60%) Docker
2 2 (0.94%) XenDesktop
3 1 (0.47%) Active Directory
3 1 (0.47%) VMware Infrastructure
Systems Management
1 2 (0.94%) SCOM
1 2 (0.94%) Single Sign-On
Vendors
1 22 (10.38%) Oracle
2 16 (7.55%) Microsoft
3 14 (6.60%) IBM
4 10 (4.72%) hybris
5 9 (4.25%) ATG
5 9 (4.25%) Demandware
6 6 (2.83%) ServiceNow
7 5 (2.36%) Sitecore
8 3 (1.42%) Citrix
9 2 (0.94%) Informatica
9 2 (0.94%) Okta
9 2 (0.94%) Tableau
9 2 (0.94%) Workday
10 1 (0.47%) DevExpress
10 1 (0.47%) jBASE
10 1 (0.47%) OpenText
10 1 (0.47%) Sage
10 1 (0.47%) Salesforce.com
10 1 (0.47%) SendGrid
10 1 (0.47%) VMware