Period
to 16 January 2019

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 16 January 2019 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
16 Jan 2019
Same period 2018 Same period 2017
Rank 19 15 13
Rank change year-on-year -4 -2 -1
Contract jobs citing JavaScript 112 105 114
As % of all contract IT jobs advertised in Reading 7.50% 8.37% 8.12%
As % of the Programming Languages category 21.21% 25.30% 27.60%
Number of daily rates quoted 86 88 76
Reading median daily rate £450 £365 £375
Median daily rate % change year-on-year +23.29% -2.67% -
10th Percentile £363 £300 £288
90th Percentile £538 £525 £538
Berkshire median daily rate £425 £365 £389
% change year-on-year +16.44% -6.11% +3.67%
Number of hourly rates quoted 0 1 2
Reading median hourly rate - £35.00 £22.50
Median hourly rate % change year-on-year - +55.56% -19.64%
Berkshire median hourly rate - £35.00 £35.75
% change year-on-year - -2.10% +27.68%

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 528 415 413
As % of all contract IT jobs advertised in Reading 35.34% 33.07% 29.42%
Number of daily rates quoted 364 291 223
Reading median daily rate £450 £400 £413
Median daily rate % change year-on-year +12.50% -3.03% +0.30%
10th Percentile £325 £304 £307
90th Percentile £588 £550 £536
Berkshire median daily rate £428 £400 £400
% change year-on-year +6.88% - +1.27%
Number of hourly rates quoted 7 11 8
Reading median hourly rate £40.00 £35.00 £20.81
Median hourly rate % change year-on-year +14.29% +68.17% -52.97%
10th Percentile £36.25 £15.25 £12.40
90th Percentile £48.00 £47.50 £41.38
Berkshire median hourly rate £40.00 £37.50 £37.00
% change year-on-year +6.67% +1.35% -1.33%

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 16 January 2019.

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 16 January 2019, 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 66 (58.93%) CSS
2 54 (48.21%) HTML
3 52 (46.43%) C#
4 49 (43.75%) .NET
5 48 (42.86%) Agile Software Development
6 41 (36.61%) ASP.NET
7 40 (35.71%) MVC
8 34 (30.36%) SQL Server
9 33 (29.46%) TDD
9 33 (29.46%) React
10 31 (27.68%) ASP.NET Web API
11 30 (26.79%) Git (software)
12 25 (22.32%) AngularJS
13 24 (21.43%) HTML5
14 22 (19.64%) Microsoft Azure
14 22 (19.64%) OO
14 22 (19.64%) Front End Development
15 20 (17.86%) OOP
15 20 (17.86%) jQuery
16 19 (16.96%) Continuous Integration
16 19 (16.96%) Node.js
17 18 (16.07%) Visual Studio Team System
18 17 (15.18%) Java
19 16 (14.29%) Scrum
20 15 (13.39%) Microsoft
21 14 (12.50%) Software Engineering
21 14 (12.50%) CSS3
22 13 (11.61%) ASP.NET MVC
23 12 (10.71%) Python
23 12 (10.71%) REST

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 8 (7.14%) Umbraco
2 7 (6.25%) CMS
3 6 (5.36%) IIS
4 3 (2.68%) Elasticsearch
4 3 (2.68%) Oracle Workflow
4 3 (2.68%) WordPress
5 2 (1.79%) Apache Spark
5 2 (1.79%) SharePoint
6 1 (0.89%) Joomla!
6 1 (0.89%) Liferay
6 1 (0.89%) NServiceBus
6 1 (0.89%) SharePoint 2013
6 1 (0.89%) WebSphere
Applications
1 2 (1.79%) Adobe Illustrator
1 2 (1.79%) Photoshop
Business Applications
1 1 (0.89%) Dynamics CRM
1 1 (0.89%) Magento
1 1 (0.89%) Shopify
Cloud Services
1 22 (19.64%) Microsoft Azure
2 5 (4.46%) Amazon AWS
2 5 (4.46%) SaaS
3 4 (3.57%) Google Cloud Platform
4 1 (0.89%) Amazon CloudWatch
4 1 (0.89%) AWS CloudFormation
4 1 (0.89%) Azure Data Factory
4 1 (0.89%) Datadog
4 1 (0.89%) IaaS
Communications & Networking
1 4 (3.57%) HTTP
2 1 (0.89%) 5G
2 1 (0.89%) LTE
2 1 (0.89%) Skype
Database & Business Intelligence
1 34 (30.36%) SQL Server
2 7 (6.25%) Big Data
2 7 (6.25%) Cosmos DB
3 4 (3.57%) Azure SQL Database
4 3 (2.68%) Hadoop
4 3 (2.68%) NoSQL
4 3 (2.68%) PostgreSQL
4 3 (2.68%) Relational Database
4 3 (2.68%) SQL Server 2008
4 3 (2.68%) SQL Server 2014
4 3 (2.68%) SQL Server Integration Services
4 3 (2.68%) SQL Server Reporting Services
5 2 (1.79%) MongoDB
5 2 (1.79%) MySQL
5 2 (1.79%) RDBMS
6 1 (0.89%) CouchDB
6 1 (0.89%) Data Lake
6 1 (0.89%) Geospatial Data
6 1 (0.89%) GIS
6 1 (0.89%) HDInsight
Development Applications
1 30 (26.79%) Git (software)
2 18 (16.07%) Visual Studio Team System
3 11 (9.82%) Visual Studio
4 9 (8.04%) webpack
5 8 (7.14%) Team Foundation Server
6 7 (6.25%) Subversion
7 6 (5.36%) JIRA
8 5 (4.46%) Cucumber
9 4 (3.57%) Grunt
10 3 (2.68%) gulp
10 3 (2.68%) Jasmine
10 3 (2.68%) Jenkins
10 3 (2.68%) PhantomJS
11 2 (1.79%) Selenium
12 1 (0.89%) Atlassian Bamboo
12 1 (0.89%) Bitbucket
12 1 (0.89%) JSUnit
12 1 (0.89%) SpecFlow
12 1 (0.89%) Vagrant
12 1 (0.89%) WebDriver
General
1 6 (5.36%) Publishing
2 4 (3.57%) Finance
3 2 (1.79%) Advertising
3 2 (1.79%) Marketing
3 2 (1.79%) Telecoms
4 1 (0.89%) Electronics
4 1 (0.89%) Manufacturing
4 1 (0.89%) Multimedia
4 1 (0.89%) Retail
Job Titles
1 96 (85.71%) Developer
2 21 (18.75%) .NET Developer
2 21 (18.75%) C# Developer
3 17 (15.18%) React Developer
4 16 (14.29%) Front End Developer (Client-Side Developer)
5 15 (13.39%) Full Stack Developer
6 13 (11.61%) JavaScript Developer
7 12 (10.71%) Angular Developer
7 12 (10.71%) C# .NET Developer
8 10 (8.93%) Senior Developer
9 7 (6.25%) ASP.NET MVC Developer
9 7 (6.25%) SQL Developer
10 6 (5.36%) Software Engineer
10 6 (5.36%) SQL Server Developer
10 6 (5.36%) Umbraco Developer
11 5 (4.46%) HTML CSS Developer
11 5 (4.46%) HTML Developer
11 5 (4.46%) iOS Developer
11 5 (4.46%) Software Developer
11 5 (4.46%) Web Developer
Libraries, Frameworks & Software Standards
1 66 (58.93%) CSS
2 54 (48.21%) HTML
3 49 (43.75%) .NET
4 41 (36.61%) ASP.NET
5 33 (29.46%) React
6 31 (27.68%) ASP.NET Web API
7 25 (22.32%) AngularJS
8 24 (21.43%) HTML5
9 20 (17.86%) jQuery
10 19 (16.96%) Node.js
11 14 (12.50%) CSS3
12 13 (11.61%) ASP.NET MVC
13 12 (10.71%) REST
14 11 (9.82%) Sass
14 11 (9.82%) Web Services
15 10 (8.93%) XML
16 7 (6.25%) .NET Framework
16 7 (6.25%) Angular 2
16 7 (6.25%) Entity Framework
16 7 (6.25%) WCF
Miscellaneous
1 12 (10.71%) Greenfield Project
2 7 (6.25%) Enterprise Software
2 7 (6.25%) Mobile App
3 6 (5.36%) User Experience
4 3 (2.68%) Social Media
5 2 (1.79%) Linked Data
5 2 (1.79%) Public Cloud
5 2 (1.79%) Semantic Web
6 1 (0.89%) Cloud Native
6 1 (0.89%) e-Learning
6 1 (0.89%) Fat Client
6 1 (0.89%) Fintech
6 1 (0.89%) FMCG
6 1 (0.89%) Hybrid Cloud
6 1 (0.89%) Management Information System
6 1 (0.89%) SCORM
6 1 (0.89%) Thin Client
Operating Systems
1 7 (6.25%) Linux
2 6 (5.36%) Windows
3 5 (4.46%) Apple iOS
4 2 (1.79%) Unix
5 1 (0.89%) Android
5 1 (0.89%) CentOS
5 1 (0.89%) Mac OS X
5 1 (0.89%) Red Hat Enterprise Linux
5 1 (0.89%) Ubuntu
5 1 (0.89%) Windows Server
5 1 (0.89%) Windows Server 2008
Processes & Methodologies
1 48 (42.86%) Agile Software Development
2 40 (35.71%) MVC
3 33 (29.46%) TDD
4 22 (19.64%) Front End Development
4 22 (19.64%) OO
5 20 (17.86%) OOP
6 19 (16.96%) Continuous Integration
7 16 (14.29%) Scrum
8 14 (12.50%) Software Engineering
9 11 (9.82%) Web Development
10 10 (8.93%) BDD
11 9 (8.04%) Mobile Development
12 8 (7.14%) API Development
12 8 (7.14%) Continuous Delivery
13 7 (6.25%) Microservices
13 7 (6.25%) Test Automation
14 5 (4.46%) iOS Development
14 5 (4.46%) OOA/OOD
14 5 (4.46%) OOD
14 5 (4.46%) Workflow
Programming Languages
1 52 (46.43%) C#
2 17 (15.18%) Java
3 12 (10.71%) Python
4 10 (8.93%) C++
5 9 (8.04%) SQL
5 9 (8.04%) TypeScript
6 6 (5.36%) F#
6 6 (5.36%) PHP
7 5 (4.46%) Apple Swift
8 2 (1.79%) C
8 2 (1.79%) Go
8 2 (1.79%) PowerShell
8 2 (1.79%) Ruby
9 1 (0.89%) ActionScript
9 1 (0.89%) Groovy
9 1 (0.89%) Perl
9 1 (0.89%) PL/SQL
9 1 (0.89%) R
9 1 (0.89%) VB
9 1 (0.89%) VBA
Qualifications
1 8 (7.14%) SC Cleared
1 8 (7.14%) Security Cleared
2 3 (2.68%) Degree
3 1 (0.89%) CISSP
3 1 (0.89%) Computer Science Degree
Quality Assurance & Compliance
1 6 (5.36%) QA
System Software
1 9 (8.04%) Docker
2 2 (1.79%) Active Directory
3 1 (0.89%) Hyper-V
3 1 (0.89%) Virtual Machines
3 1 (0.89%) VirtualBox
3 1 (0.89%) VMware Infrastructure
Systems Management
1 3 (2.68%) Kubernetes
2 1 (0.89%) Ansible
2 1 (0.89%) confd
2 1 (0.89%) Kibana
2 1 (0.89%) Opscode Chef
2 1 (0.89%) Packer
2 1 (0.89%) Puppet
2 1 (0.89%) Terraform
Vendors
1 15 (13.39%) Microsoft
2 5 (4.46%) Apple
3 4 (3.57%) Oracle
4 3 (2.68%) Google
5 2 (1.79%) Adobe
5 2 (1.79%) SAP
5 2 (1.79%) Sitecore
6 1 (0.89%) Cisco
6 1 (0.89%) Citrix
6 1 (0.89%) CyberArk
6 1 (0.89%) IBM
6 1 (0.89%) MKS
6 1 (0.89%) New Relic
6 1 (0.89%) Splunk
6 1 (0.89%) Telerik
6 1 (0.89%) VMware
6 1 (0.89%) WooCommerce
6 1 (0.89%) Xamarin