Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in Reading 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)
Berkshire > Reading
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 16 17 16
Rank change year-on-year +1 -1 -2
Contract jobs citing JavaScript 108 110 140
As % of all contract IT jobs advertised in Reading 8.40% 7.41% 7.33%
As % of the Programming Languages category 26.41% 26.83% 26.87%
Number of daily rates quoted 82 74 126
Reading median daily rate £365 £375 £388
Median daily rate % change year-on-year -2.67% -3.23% +6.90%
10th Percentile £300 £300 £289
90th Percentile £538 £456 £563
Berkshire median daily rate £375 £375 £375
Number of hourly rates quoted 1 4 3
Reading median hourly rate £35.00 £20.00 £28.00
Median hourly rate % change year-on-year +75.00% -28.57% +47.37%
Berkshire median hourly rate £35.00 £32.00 £28.00
% change year-on-year +9.38% +14.29% +47.37%

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 Reading with a requirement for coding skills.

All Programming Languages
Reading
Contract vacancies with a requirement for coding skills 409 410 521
As % of all contract IT jobs advertised in Reading 31.83% 27.61% 27.29%
Number of daily rates quoted 281 208 389
Reading median daily rate £400 £400 £400
10th Percentile £306 £300 £274
90th Percentile £538 £488 £525
Berkshire median daily rate £400 £400 £380
% change year-on-year - +5.40% +1.20%
Number of hourly rates quoted 14 9 16
Reading median hourly rate £18.57 £25.00 £41.75
Median hourly rate % change year-on-year -25.72% -40.12% +119.74%
10th Percentile £10.75 £13.70 £13.31
90th Percentile £45.93 £50.75 £55.55
Berkshire median hourly rate £33.00 £32.00 £37.00
% change year-on-year +3.13% -13.51% +13.85%

JavaScript
Job Vacancy Trend in Reading

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

Job vacancy trend for JavaScript in Reading

JavaScript
Contractor Daily Rate Trend in Reading

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

Contractor daily rate trend for JavaScript in Reading

JavaScript
Contractor Daily Rate Histogram in Reading

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

Contractor daily rate histogram for JavaScript in Reading

JavaScript
Contractor Hourly Rate Trend in Reading

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

Contractor hourly rate trend for JavaScript in Reading

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 Reading region with a requirement for JavaScript.

1 79 (73.15%) HTML
2 75 (69.44%) CSS
3 51 (47.22%) AngularJS
4 41 (37.96%) HTML5
5 38 (35.19%) Front End Development
6 35 (32.41%) TDD
7 33 (30.56%) Agile Software Development
7 33 (30.56%) Twitter Bootstrap
8 31 (28.70%) Sass
8 31 (28.70%) BDD
8 31 (28.70%) Test Automation
9 26 (24.07%) Continuous Integration
9 26 (24.07%) CRM
10 25 (23.15%) MVC
10 25 (23.15%) ES6
11 24 (22.22%) Scrum
11 24 (22.22%) .NET
12 23 (21.30%) ECMAScript
12 23 (21.30%) webpack
13 22 (20.37%) Degree
14 21 (19.44%) Computer Science
14 21 (19.44%) jQuery
14 21 (19.44%) Twitter
14 21 (19.44%) SQL
14 21 (19.44%) gulp
15 20 (18.52%) Protractor
15 20 (18.52%) Computer Science Degree
15 20 (18.52%) C#
15 20 (18.52%) Jasmine
15 20 (18.52%) Karma Test Runner

JavaScript
Co-occurring IT Skills in Reading 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 10 (9.26%) Apache
2 8 (7.41%) nginx
3 6 (5.56%) Drupal
4 4 (3.70%) WordPress
5 2 (1.85%) CMS
5 2 (1.85%) IIS
5 2 (1.85%) SharePoint
6 1 (0.93%) Adobe Experience Manager
6 1 (0.93%) BizTalk Server
6 1 (0.93%) Confluence
6 1 (0.93%) Facebook Platform
6 1 (0.93%) SAP EP
6 1 (0.93%) SAP Portal
6 1 (0.93%) Tomcat
Applications
1 1 (0.93%) Adobe Creative Suite
1 1 (0.93%) Microsoft Office
1 1 (0.93%) Photoshop
Business Applications
1 2 (1.85%) Dynamics CRM
Cloud Services
1 19 (17.59%) npm
2 8 (7.41%) Microsoft Azure
3 5 (4.63%) Amazon AWS
4 3 (2.78%) SaaS
5 1 (0.93%) Amazon EC2
5 1 (0.93%) GitHub
5 1 (0.93%) Route 53
5 1 (0.93%) Trello
Communications & Networking
1 10 (9.26%) HTTP
2 3 (2.78%) Internet
3 1 (0.93%) FTP
3 1 (0.93%) SMTP
3 1 (0.93%) SSH
Database & Business Intelligence
1 15 (13.89%) SQL Server
2 7 (6.48%) MySQL
3 6 (5.56%) MongoDB
3 6 (5.56%) NoSQL
4 5 (4.63%) Redis
5 3 (2.78%) PostgreSQL
6 1 (0.93%) Big Data
6 1 (0.93%) Blockchain
6 1 (0.93%) Oracle Database
6 1 (0.93%) RDBMS
6 1 (0.93%) Relational Database
6 1 (0.93%) SQL Server 2005
6 1 (0.93%) SQL Server 2008
6 1 (0.93%) SQL Server 2012
Development Applications
1 23 (21.30%) webpack
2 21 (19.44%) gulp
3 20 (18.52%) Jasmine
3 20 (18.52%) Karma Test Runner
3 20 (18.52%) Protractor
4 16 (14.81%) Git (software)
5 5 (4.63%) Team Foundation Server
6 3 (2.78%) Jenkins
6 3 (2.78%) Selenium
7 2 (1.85%) Artifactory
7 2 (1.85%) Grunt
7 2 (1.85%) HP UFT
7 2 (1.85%) JIRA
7 2 (1.85%) Subversion
7 2 (1.85%) Vagrant
7 2 (1.85%) Visual Studio
8 1 (0.93%) Dreamweaver
8 1 (0.93%) Eclipse
8 1 (0.93%) JUnit
8 1 (0.93%) WebDriver
General
1 3 (2.78%) Finance
2 2 (1.85%) Telecoms
3 1 (0.93%) Advertising
3 1 (0.93%) Banking
3 1 (0.93%) Italian Language
3 1 (0.93%) Law
3 1 (0.93%) Marketing
3 1 (0.93%) Pharmaceutical
3 1 (0.93%) Retail
3 1 (0.93%) Swedish Language
Job Titles
1 94 (87.04%) Developer
2 37 (34.26%) Front End Developer (Client-Side Developer)
3 15 (13.89%) JavaScript Developer
4 14 (12.96%) .NET Developer
5 7 (6.48%) C# Developer
6 6 (5.56%) DevOps Developer
6 6 (5.56%) Web Developer
7 5 (4.63%) Automation Developer
7 5 (4.63%) C# .NET Developer
7 5 (4.63%) Drupal Developer
7 5 (4.63%) HTML Developer
8 4 (3.70%) Angular Developer
8 4 (3.70%) ASP.NET Developer
8 4 (3.70%) Senior Developer
8 4 (3.70%) SQL Developer
8 4 (3.70%) UI Developer
9 3 (2.78%) C# ASP.NET Developer
9 3 (2.78%) DevOps Engineer
9 3 (2.78%) Java Developer
9 3 (2.78%) Mobile Developer
Libraries, Frameworks & Software Standards
1 79 (73.15%) HTML
2 75 (69.44%) CSS
3 51 (47.22%) AngularJS
4 41 (37.96%) HTML5
5 33 (30.56%) Twitter Bootstrap
6 31 (28.70%) Sass
7 24 (22.22%) .NET
8 21 (19.44%) jQuery
9 18 (16.67%) Node.js
9 18 (16.67%) RESTful
10 16 (14.81%) XML
11 14 (12.96%) ASP.NET
11 14 (12.96%) CSS3
11 14 (12.96%) Web Services
12 13 (12.04%) React
13 12 (11.11%) Ajax
13 12 (11.11%) REST
14 10 (9.26%) JSON
14 10 (9.26%) OAuth
15 7 (6.48%) ASP.NET MVC
Miscellaneous
1 21 (19.44%) Computer Science
2 7 (6.48%) Mobile App
3 4 (3.70%) Analytical Skills
3 4 (3.70%) Greenfield Project
3 4 (3.70%) User Experience
4 2 (1.85%) Enterprise Software
4 2 (1.85%) Life Science
5 1 (0.93%) Online Banking
5 1 (0.93%) PKI
Operating Systems
1 12 (11.11%) Linux
2 1 (0.93%) Android
2 1 (0.93%) Apple iOS
2 1 (0.93%) Unix
2 1 (0.93%) Windows
Processes & Methodologies
1 38 (35.19%) Front End Development
2 35 (32.41%) TDD
3 33 (30.56%) Agile Software Development
4 31 (28.70%) BDD
4 31 (28.70%) Test Automation
5 26 (24.07%) Continuous Integration
5 26 (24.07%) CRM
6 25 (23.15%) MVC
7 24 (22.22%) Scrum
8 19 (17.59%) DevOps
8 19 (17.59%) Open Source
9 15 (13.89%) Web Development
10 12 (11.11%) Workflow
11 10 (9.26%) Project Management
12 8 (7.41%) Customer Engagement
13 7 (6.48%) Regression Testing
14 6 (5.56%) Unit Testing
15 5 (4.63%) Continuous Delivery
16 4 (3.70%) API Development
16 4 (3.70%) Responsive Web Design
Programming Languages
1 25 (23.15%) ES6
2 23 (21.30%) ECMAScript
3 21 (19.44%) SQL
4 20 (18.52%) C#
5 14 (12.96%) PHP
6 8 (7.41%) Perl
6 8 (7.41%) Shell Script
7 7 (6.48%) Java
8 4 (3.70%) T-SQL
8 4 (3.70%) TypeScript
8 4 (3.70%) VB.NET
9 2 (1.85%) PowerShell
9 2 (1.85%) Python
10 1 (0.93%) ABAP
10 1 (0.93%) Bash Shell
10 1 (0.93%) C++
10 1 (0.93%) Java 9
10 1 (0.93%) PL/SQL
10 1 (0.93%) Ruby
10 1 (0.93%) Scala
Qualifications
1 22 (20.37%) Degree
2 20 (18.52%) Computer Science Degree
3 5 (4.63%) Security Cleared
4 4 (3.70%) SC Cleared
5 1 (0.93%) HNC
Quality Assurance & Compliance
1 6 (5.56%) QA
System Software
1 15 (13.89%) Docker
Systems Management
1 2 (1.85%) Ansible
2 1 (0.93%) HP Operations Orchestration
Vendors
1 21 (19.44%) Twitter
2 8 (7.41%) Microsoft
3 6 (5.56%) IBM
4 4 (3.70%) Oracle
5 2 (1.85%) HP
6 1 (0.93%) Adobe
6 1 (0.93%) Capita
6 1 (0.93%) Facebook
6 1 (0.93%) SAP
6 1 (0.93%) Serena
6 1 (0.93%) Zend