Period
to 19 June 2018

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 19 June 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)
Berkshire > Reading
6 months to
19 Jun 2018
Same period 2017 Same period 2016
Rank 19 16 23
Rank change year-on-year -3 +7 0
Contract jobs citing JavaScript 108 101 128
As % of all contract IT jobs advertised in Reading 8.02% 8.14% 6.79%
As % of the Programming Languages category 25.00% 28.53% 22.86%
Number of daily rates quoted 86 66 105
Reading median daily rate £375 £406 £375
Median daily rate % change year-on-year -7.69% +8.33% -
10th Percentile £313 £313 £300
90th Percentile £500 £625 £488
Berkshire median daily rate £385 £425 £375
% change year-on-year -9.41% +13.33% +7.14%
Number of hourly rates quoted 0 3 6
Reading median hourly rate - £55.00 £9.00
Median hourly rate % change year-on-year - +511.11% -
Berkshire median hourly rate - £50.50 £17.00
% change year-on-year - +197.06% -78.41%

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 432 354 560
As % of all contract IT jobs advertised in Reading 32.10% 28.53% 29.71%
Number of daily rates quoted 265 213 358
Reading median daily rate £400 £400 £400
10th Percentile £300 £289 £313
90th Percentile £538 £575 £500
Berkshire median daily rate £400 £400 £400
Number of hourly rates quoted 9 10 9
Reading median hourly rate £30.00 £19.66 £45.00
Median hourly rate % change year-on-year +52.59% -56.31% -
10th Percentile £17.30 £13.00 £8.90
90th Percentile £54.75 £57.50 £57.19
Berkshire median hourly rate £27.50 £19.66 £12.50
% change year-on-year +39.88% +57.28% -65.28%

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 19 June 2018.

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 19 June 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 Reading region with a requirement for JavaScript.

1 64 (59.26%) HTML
2 58 (53.70%) CSS
3 44 (40.74%) Agile Software Development
4 40 (37.04%) AngularJS
5 38 (35.19%) Front End Development
6 35 (32.41%) .NET
7 32 (29.63%) jQuery
8 29 (26.85%) C#
9 27 (25.00%) MVC
10 26 (24.07%) HTML5
11 25 (23.15%) CSS3
11 25 (23.15%) React
12 24 (22.22%) Sass
12 24 (22.22%) TDD
13 22 (20.37%) DevOps
14 21 (19.44%) Greenfield Project
14 21 (19.44%) Node.js
15 20 (18.52%) Java
15 20 (18.52%) SQL
16 19 (17.59%) Git (software)
17 18 (16.67%) Security Cleared
18 17 (15.74%) SC Cleared
18 17 (15.74%) SQL Server
18 17 (15.74%) ASP.NET
19 15 (13.89%) Microsoft
20 13 (12.04%) CMS
20 13 (12.04%) XML
20 13 (12.04%) PHP
20 13 (12.04%) Angular 2
20 13 (12.04%) ASP.NET Web API

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 13 (12.04%) CMS
2 9 (8.33%) WordPress
3 5 (4.63%) Sitecore CMS
4 3 (2.78%) Apache
5 2 (1.85%) Joomla!
5 2 (1.85%) nginx
5 2 (1.85%) SharePoint
6 1 (0.93%) Alfresco
6 1 (0.93%) Apache Spark
6 1 (0.93%) Cloud Foundry
6 1 (0.93%) Elasticsearch
6 1 (0.93%) IIS
6 1 (0.93%) Liferay
Applications
1 1 (0.93%) Adobe Illustrator
Business Applications
1 1 (0.93%) Sage 200
1 1 (0.93%) Sage CRM
1 1 (0.93%) SAP Hybris
1 1 (0.93%) Shopify
1 1 (0.93%) WebTrends
Cloud Services
1 12 (11.11%) Microsoft Azure
2 5 (4.63%) GitHub
3 4 (3.70%) Amazon AWS
4 3 (2.78%) Azure Data Factory
5 2 (1.85%) SaaS
6 1 (0.93%) Amazon CloudWatch
6 1 (0.93%) Google Analytics
6 1 (0.93%) IaaS
6 1 (0.93%) npm
6 1 (0.93%) PaaS
6 1 (0.93%) Zapier
Communications & Networking
1 6 (5.56%) HTTP
2 4 (3.70%) TCP/IP
3 3 (2.78%) SSH
4 2 (1.85%) DNS
5 1 (0.93%) DVB
5 1 (0.93%) Firewall
5 1 (0.93%) Internet
5 1 (0.93%) Network Security
Database & Business Intelligence
1 17 (15.74%) SQL Server
2 8 (7.41%) Big Data
3 7 (6.48%) MongoDB
4 5 (4.63%) Hadoop
4 5 (4.63%) MySQL
4 5 (4.63%) NoSQL
5 4 (3.70%) Redis
6 3 (2.78%) Apache Cassandra
6 3 (2.78%) Cosmos DB
6 3 (2.78%) Data Lake
6 3 (2.78%) HDInsight
6 3 (2.78%) RDBMS
6 3 (2.78%) Relational Database
6 3 (2.78%) SQL Server 2008
6 3 (2.78%) SQL Server 2012
7 2 (1.85%) Microsoft Analysis Services
7 2 (1.85%) Power BI
7 2 (1.85%) SQL Server 2014
7 2 (1.85%) SQL Server 2016
7 2 (1.85%) SQL Server Integration Services
Development Applications
1 19 (17.59%) Git (software)
2 10 (9.26%) Visual Studio
3 8 (7.41%) webpack
4 5 (4.63%) Cucumber
4 5 (4.63%) JIRA
4 5 (4.63%) Selenium
5 3 (2.78%) Grunt
5 3 (2.78%) gulp
5 3 (2.78%) Jenkins
5 3 (2.78%) Subversion
6 2 (1.85%) Hudson
6 2 (1.85%) Jasmine
6 2 (1.85%) JMeter
6 2 (1.85%) Vagrant
7 1 (0.93%) Bitbucket
7 1 (0.93%) jMock
7 1 (0.93%) Mockito
7 1 (0.93%) QUnit
7 1 (0.93%) SpecFlow
7 1 (0.93%) Visual Composer
General
1 5 (4.63%) Finance
2 4 (3.70%) Marketing
3 2 (1.85%) Retail
4 1 (0.93%) Advertising
4 1 (0.93%) French Language
4 1 (0.93%) German Language
4 1 (0.93%) Legal
Job Titles
1 83 (76.85%) Developer
2 32 (29.63%) Front End Developer (Client-Side Developer)
3 14 (12.96%) .NET Developer
4 13 (12.04%) Angular Developer
5 12 (11.11%) JavaScript Developer
6 11 (10.19%) React Developer
7 10 (9.26%) Full Stack Developer
8 9 (8.33%) Senior Developer
9 7 (6.48%) Software Developer
9 7 (6.48%) UI Developer
10 6 (5.56%) Senior Software Developer
10 6 (5.56%) SQL Developer
11 5 (4.63%) ASP.NET MVC Developer
11 5 (4.63%) C# .NET Developer
11 5 (4.63%) C# Developer
11 5 (4.63%) SQL Server Developer
12 4 (3.70%) DevOps Engineer
12 4 (3.70%) PHP Developer
12 4 (3.70%) Support Engineer
12 4 (3.70%) Web Developer
Libraries, Frameworks & Software Standards
1 64 (59.26%) HTML
2 58 (53.70%) CSS
3 40 (37.04%) AngularJS
4 35 (32.41%) .NET
5 32 (29.63%) jQuery
6 26 (24.07%) HTML5
7 25 (23.15%) CSS3
7 25 (23.15%) React
8 24 (22.22%) Sass
9 21 (19.44%) Node.js
10 17 (15.74%) ASP.NET
11 13 (12.04%) Angular 2
11 13 (12.04%) ASP.NET Web API
11 13 (12.04%) XML
12 12 (11.11%) Twitter Bootstrap
13 11 (10.19%) LESS
14 9 (8.33%) REST
15 8 (7.41%) .NET Core
15 8 (7.41%) .NET Framework
15 8 (7.41%) ASP.NET MVC
Miscellaneous
1 21 (19.44%) Greenfield Project
2 6 (5.56%) Mobile App
3 5 (4.63%) Computer Science
3 5 (4.63%) Enterprise Software
3 5 (4.63%) User Experience
4 4 (3.70%) Self-Motivation
5 3 (2.78%) CMDB
5 3 (2.78%) Linux Command Line
6 2 (1.85%) Analytical Skills
6 2 (1.85%) Clustering
6 2 (1.85%) Wiki
7 1 (0.93%) Blog
7 1 (0.93%) Data Centre
7 1 (0.93%) Public Cloud
7 1 (0.93%) RIA
Operating Systems
1 8 (7.41%) Linux
2 5 (4.63%) Windows
3 4 (3.70%) Unix
4 3 (2.78%) CentOS
4 3 (2.78%) Debian
4 3 (2.78%) Red Hat Enterprise Linux
4 3 (2.78%) Ubuntu
5 2 (1.85%) Android
5 2 (1.85%) Windows Server 2008
5 2 (1.85%) Windows Server 2012
6 1 (0.93%) Apple iOS
6 1 (0.93%) Windows Embedded Compact
Processes & Methodologies
1 44 (40.74%) Agile Software Development
2 38 (35.19%) Front End Development
3 27 (25.00%) MVC
4 24 (22.22%) TDD
5 22 (20.37%) DevOps
6 11 (10.19%) Microservices
6 11 (10.19%) Web Development
7 10 (9.26%) Scrum
8 9 (8.33%) Test Automation
9 8 (7.41%) SOLID
10 7 (6.48%) Analytics
10 7 (6.48%) Open Source
11 6 (5.56%) Business Analysis
11 6 (5.56%) Domain-Driven Design
11 6 (5.56%) Problem-Solving
12 5 (4.63%) Content Management
12 5 (4.63%) Continuous Integration
12 5 (4.63%) OO
12 5 (4.63%) OOP
12 5 (4.63%) Service Delivery
Programming Languages
1 29 (26.85%) C#
2 20 (18.52%) Java
2 20 (18.52%) SQL
3 13 (12.04%) PHP
4 9 (8.33%) Python
4 9 (8.33%) TypeScript
5 7 (6.48%) C++
5 7 (6.48%) ES6
6 6 (5.56%) PowerShell
7 4 (3.70%) Bash Shell
8 3 (2.78%) C
8 3 (2.78%) R
8 3 (2.78%) Scala
8 3 (2.78%) VBA
9 2 (1.85%) PHP 7
9 2 (1.85%) VB
10 1 (0.93%) AWK
10 1 (0.93%) F#
10 1 (0.93%) Perl
10 1 (0.93%) T-SQL
Qualifications
1 18 (16.67%) Security Cleared
2 17 (15.74%) SC Cleared
3 7 (6.48%) Degree
4 3 (2.78%) BPSS Clearance
5 1 (0.93%) APMP
5 1 (0.93%) ITIL Certification
5 1 (0.93%) Master's Degree
Quality Assurance & Compliance
1 4 (3.70%) QA
System Software
1 5 (4.63%) Docker
2 2 (1.85%) Virtual Servers
3 1 (0.93%) Apache Flume
3 1 (0.93%) Apache ZooKeeper
3 1 (0.93%) Hyper-V
3 1 (0.93%) Virtual Machines
Systems Management
1 3 (2.78%) Ansible
1 3 (2.78%) SELinux
1 3 (2.78%) Single Sign-On
2 2 (1.85%) Microsoft Clustering
2 2 (1.85%) Opscode Chef
2 2 (1.85%) Puppet
3 1 (0.93%) EMC NetWorker
3 1 (0.93%) Grafana
3 1 (0.93%) Graphite
3 1 (0.93%) Kibana
3 1 (0.93%) Mesos
3 1 (0.93%) Nagios
3 1 (0.93%) Salt
3 1 (0.93%) SCOM
3 1 (0.93%) SCVMM
3 1 (0.93%) StatsD
3 1 (0.93%) ZABBIX
Vendors
1 15 (13.89%) Microsoft
2 10 (9.26%) Capita
3 5 (4.63%) Sitecore
4 3 (2.78%) Google
4 3 (2.78%) IBM
4 3 (2.78%) ServiceNow
5 2 (1.85%) Twitter
6 1 (0.93%) Adobe
6 1 (0.93%) hybris
6 1 (0.93%) New Relic
6 1 (0.93%) Omniture
6 1 (0.93%) Optimizely
6 1 (0.93%) Oracle
6 1 (0.93%) Sage
6 1 (0.93%) SAP
6 1 (0.93%) Splunk