Period
to 23 September 2018

The following table provides summary statistics for contract job vacancies advertised in Berkshire 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 23 September 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 > Berkshire
6 months to
23 Sep 2018
Same period 2017 Same period 2016
Rank 11 16 22
Rank change year-on-year +5 +6 -1
Contract jobs citing JavaScript 339 296 280
As % of all contract IT jobs advertised in Berkshire 8.94% 7.41% 6.10%
As % of the Programming Languages category 27.99% 27.90% 22.33%
Number of daily rates quoted 242 250 184
Berkshire median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% +7.14%
10th Percentile £313 £294 £300
90th Percentile £525 £526 £538
South East median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% +3.81%
Number of hourly rates quoted 1 2 11
Berkshire median hourly rate £30.00 £45.00 £35.00
Median hourly rate % change year-on-year -33.33% +28.57% +40.00%
10th Percentile £27.50 £36.75 £15.00
90th Percentile £32.50 £55.25 £49.50
South East median hourly rate £42.50 £45.00 £46.00
% change year-on-year -5.56% -2.17% +26.03%

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 Berkshire with a requirement for coding skills.

All Programming Languages
Berkshire
Contract vacancies with a requirement for coding skills 1,211 1,061 1,254
As % of all contract IT jobs advertised in Berkshire 31.93% 26.57% 27.33%
Number of daily rates quoted 725 642 729
Berkshire median daily rate £420 £400 £400
Median daily rate % change year-on-year +5.00% - +6.67%
10th Percentile £313 £288 £275
90th Percentile £550 £538 £538
South East median daily rate £425 £400 £400
% change year-on-year +6.25% - +6.67%
Number of hourly rates quoted 17 23 40
Berkshire median hourly rate £30.00 £19.66 £13.75
Median hourly rate % change year-on-year +52.59% +42.98% -61.27%
10th Percentile £8.00 £10.75 £12.15
90th Percentile £51.25 £53.00 £48.83
South East median hourly rate £44.75 £45.00 £40.00
% change year-on-year -0.56% +12.50% +6.67%

JavaScript
Job Vacancy Trend in Berkshire

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

Job vacancy trend for JavaScript in Berkshire

JavaScript
Contractor Daily Rate Trend in Berkshire

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

Contractor daily rate trend for JavaScript in Berkshire

JavaScript
Contractor Daily Rate Histogram in Berkshire

The daily rate distribution of IT jobs citing JavaScript in Berkshire over the 6 months to 23 September 2018.

Contractor daily rate histogram for JavaScript in Berkshire

JavaScript
Contractor Hourly Rate Trend in Berkshire

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

Contractor hourly rate trend for JavaScript in Berkshire

JavaScript
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the Berkshire region over the 6 months to 23 September 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
Reading +7 118 £425 +11.84% 39
Bracknell +11 51 £420 +15.86% 27
Newbury -2 36 £350 +3.70% 15
Slough 0 32 £400 - 11
Maidenhead +16 30 £400 -16.67% 15
Windsor +7 2 £300 -36.84% 4
Wokingham -13 1 £575 - 5
Thatcham - 1 - -
JavaScript
South East

For the 6 months to 23 September 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 Berkshire region with a requirement for JavaScript.

1 213 (62.83%) HTML
2 200 (59.00%) CSS
3 140 (41.30%) Agile Software Development
4 107 (31.56%) React
5 105 (30.97%) HTML5
6 97 (28.61%) Front End Development
7 88 (25.96%) Git (software)
7 88 (25.96%) AngularJS
8 85 (25.07%) CSS3
9 83 (24.48%) jQuery
10 81 (23.89%) Java
11 79 (23.30%) TDD
12 77 (22.71%) Node.js
13 72 (21.24%) .NET
14 69 (20.35%) Scrum
15 61 (17.99%) C#
16 59 (17.40%) MVC
16 59 (17.40%) Sass
17 57 (16.81%) REST
18 54 (15.93%) Continuous Integration
19 53 (15.63%) Amazon AWS
20 48 (14.16%) SQL
21 47 (13.86%) PHP
21 47 (13.86%) Web Development
22 46 (13.57%) JIRA
22 46 (13.57%) Jenkins
23 44 (12.98%) BDD
23 44 (12.98%) OO
24 43 (12.68%) Web Services
24 43 (12.68%) DevOps

JavaScript
Co-occurring IT Skills in Berkshire 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 29 (8.55%) CMS
2 23 (6.78%) Confluence
3 20 (5.90%) Elasticsearch
4 19 (5.60%) WordPress
5 11 (3.24%) Apache Solr
6 8 (2.36%) Adobe Experience Manager
6 8 (2.36%) Umbraco
7 6 (1.77%) Apache
7 6 (1.77%) Drupal
8 5 (1.47%) WebLogic
9 4 (1.18%) Apache Spark
9 4 (1.18%) Liferay
10 3 (0.88%) IBM Domino
10 3 (0.88%) IBM Notes
10 3 (0.88%) IIS
10 3 (0.88%) Joomla!
10 3 (0.88%) Oracle Workflow
10 3 (0.88%) Sitecore CMS
11 1 (0.29%) JBoss
11 1 (0.29%) SharePoint
Applications
1 9 (2.65%) Adobe Creative Suite
2 5 (1.47%) InVision
2 5 (1.47%) Microsoft Excel
3 4 (1.18%) Chatbot
4 3 (0.88%) Adobe Illustrator
4 3 (0.88%) MS Visio
4 3 (0.88%) OmniGraffle
4 3 (0.88%) Photoshop
5 2 (0.59%) Microsoft Office
6 1 (0.29%) GIMP
Business Applications
1 20 (5.90%) Magento
2 3 (0.88%) Payment Gateway
2 3 (0.88%) SessionCam
2 3 (0.88%) Shopify
3 1 (0.29%) Eloqua
3 1 (0.29%) NetSuite
3 1 (0.29%) Sage 200
3 1 (0.29%) Sage CRM
Cloud Services
1 53 (15.63%) Amazon AWS
2 39 (11.50%) Microsoft Azure
3 20 (5.90%) Serverless
4 17 (5.01%) AWS Lambda
5 13 (3.83%) SaaS
6 11 (3.24%) AWS CloudFormation
7 10 (2.95%) Amazon CloudWatch
7 10 (2.95%) Amazon Kinesis
7 10 (2.95%) GitHub
8 7 (2.06%) Amazon EC2
8 7 (2.06%) Amazon ElastiCache
8 7 (2.06%) Amazon S3
8 7 (2.06%) Amazon SQS
8 7 (2.06%) CloudFront
9 3 (0.88%) Force.com
9 3 (0.88%) Google Analytics
10 2 (0.59%) Adobe Analytics
10 2 (0.59%) Azure Data Factory
10 2 (0.59%) npm
11 1 (0.29%) Google Cloud Platform
Communications & Networking
1 19 (5.60%) HTTP
2 5 (1.47%) TCP/IP
3 4 (1.18%) DNS
3 4 (1.18%) SSH
4 3 (0.88%) HTTPS
5 2 (0.59%) Firewall
5 2 (0.59%) Internet
5 2 (0.59%) LAN
5 2 (0.59%) Network Security
5 2 (0.59%) SSL
5 2 (0.59%) VPN
5 2 (0.59%) WAN
6 1 (0.29%) Broadband
6 1 (0.29%) DVB
6 1 (0.29%) Skype
Database & Business Intelligence
1 36 (10.62%) NoSQL
2 31 (9.14%) MySQL
2 31 (9.14%) SQL Server
3 27 (7.96%) Apache Cassandra
4 25 (7.37%) MongoDB
5 21 (6.19%) PostgreSQL
6 17 (5.01%) Amazon DynamoDB
7 16 (4.72%) Big Data
8 10 (2.95%) Relational Database
9 6 (1.77%) Redis
10 5 (1.47%) Azure SQL Database
10 5 (1.47%) Hadoop
10 5 (1.47%) RDBMS
10 5 (1.47%) SQL Server Integration Services
11 4 (1.18%) Neo4j
11 4 (1.18%) SQL Server 2008
11 4 (1.18%) SQL Server 2012
11 4 (1.18%) SQL Server Reporting Services
12 3 (0.88%) Blockchain
12 3 (0.88%) SQL Server 2014
Development Applications
1 88 (25.96%) Git (software)
2 46 (13.57%) Jenkins
2 46 (13.57%) JIRA
3 25 (7.37%) JUnit
4 24 (7.08%) Maven
5 22 (6.49%) Mercurial
6 17 (5.01%) Team Foundation Server
7 16 (4.72%) git-flow
7 16 (4.72%) Mockito
8 14 (4.13%) gulp
9 13 (3.83%) Visual Studio Team System
10 12 (3.54%) Cucumber
10 12 (3.54%) Eclipse
10 12 (3.54%) Jasmine
11 10 (2.95%) Mocha
11 10 (2.95%) Subversion
11 10 (2.95%) Visual Studio
11 10 (2.95%) webpack
12 9 (2.65%) Selenium
13 8 (2.36%) Fiddler
General
1 23 (6.78%) Retail
2 21 (6.19%) Finance
3 17 (5.01%) Telecoms
4 8 (2.36%) Marketing
5 4 (1.18%) Publishing
6 3 (0.88%) Advertising
7 2 (0.59%) Banking
7 2 (0.59%) German Language
8 1 (0.29%) Financial Institution
8 1 (0.29%) Games
8 1 (0.29%) Investment Banking
8 1 (0.29%) Legal
8 1 (0.29%) Manufacturing
Job Titles
1 261 (76.99%) Developer
2 69 (20.35%) React Developer
3 68 (20.06%) Front End Developer (Client-Side Developer)
4 59 (17.40%) JavaScript Developer
5 37 (10.91%) Java Developer
6 36 (10.62%) Angular Developer
7 26 (7.67%) Senior Developer
8 24 (7.08%) .NET Developer
9 20 (5.90%) Full Stack Developer
10 19 (5.60%) Web Developer
11 16 (4.72%) C# Developer
11 16 (4.72%) Magento Developer
12 14 (4.13%) Software Engineer
13 13 (3.83%) HTML CSS Developer
13 13 (3.83%) HTML Developer
14 11 (3.24%) WordPress Developer
15 10 (2.95%) PHP Developer
15 10 (2.95%) UI Developer
16 9 (2.65%) Designer
16 9 (2.65%) Senior React Developer
Libraries, Frameworks & Software Standards
1 213 (62.83%) HTML
2 200 (59.00%) CSS
3 107 (31.56%) React
4 105 (30.97%) HTML5
5 88 (25.96%) AngularJS
6 85 (25.07%) CSS3
7 83 (24.48%) jQuery
8 77 (22.71%) Node.js
9 72 (21.24%) .NET
10 59 (17.40%) Sass
11 57 (16.81%) REST
12 43 (12.68%) Web Services
13 39 (11.50%) LESS
14 32 (9.44%) RESTful
15 30 (8.85%) ASP.NET
16 29 (8.55%) Spring
17 24 (7.08%) XML
18 23 (6.78%) ASP.NET Web API
19 21 (6.19%) Redux
19 21 (6.19%) Twitter Bootstrap
Miscellaneous
1 40 (11.80%) Greenfield Project
2 38 (11.21%) User Experience
3 22 (6.49%) Mobile App
4 7 (2.06%) Analytical Skills
4 7 (2.06%) Linux Command Line
5 6 (1.77%) NHS
5 6 (1.77%) Self-Motivation
6 4 (1.18%) CMDB
6 4 (1.18%) Computer Science
6 4 (1.18%) Data Centre
7 3 (0.88%) Enterprise Software
7 3 (0.88%) Fintech
7 3 (0.88%) Life Science
7 3 (0.88%) Taxonomies
8 2 (0.59%) Digital Media
8 2 (0.59%) Handset
8 2 (0.59%) Public Cloud
8 2 (0.59%) Social Media
9 1 (0.29%) Machine to Machine
9 1 (0.29%) Over-the-Top Content
Operating Systems
1 30 (8.85%) Linux
2 11 (3.24%) Unix
3 9 (2.65%) Windows
4 7 (2.06%) Ubuntu
5 6 (1.77%) Android
5 6 (1.77%) CentOS
5 6 (1.77%) Red Hat Enterprise Linux
6 4 (1.18%) Solaris
7 3 (0.88%) Apple iOS
7 3 (0.88%) Debian
8 1 (0.29%) Mac OS
8 1 (0.29%) Windows Embedded Compact
8 1 (0.29%) Windows Server
8 1 (0.29%) Windows Server 2008
Processes & Methodologies
1 140 (41.30%) Agile Software Development
2 97 (28.61%) Front End Development
3 79 (23.30%) TDD
4 69 (20.35%) Scrum
5 59 (17.40%) MVC
6 54 (15.93%) Continuous Integration
7 47 (13.86%) Web Development
8 44 (12.98%) BDD
8 44 (12.98%) OO
9 43 (12.68%) DevOps
10 35 (10.32%) Software Engineering
11 34 (10.03%) E-Commerce
11 34 (10.03%) Microservices
12 27 (7.96%) Kanban
12 27 (7.96%) Pair Programming
12 27 (7.96%) Test Automation
13 26 (7.67%) Problem-Solving
14 25 (7.37%) Responsive Web Design
14 25 (7.37%) User Stories
15 22 (6.49%) OOP
Programming Languages
1 81 (23.89%) Java
2 61 (17.99%) C#
3 48 (14.16%) SQL
4 47 (13.86%) PHP
5 30 (8.85%) TypeScript
6 28 (8.26%) Python
7 25 (7.37%) Java 8
8 14 (4.13%) C++
9 11 (3.24%) Scala
10 10 (2.95%) Perl
11 8 (2.36%) C
12 7 (2.06%) Bash Shell
13 6 (1.77%) ES6
14 5 (1.47%) PowerShell
15 4 (1.18%) Go
15 4 (1.18%) Ruby
16 3 (0.88%) Apex Code
16 3 (0.88%) LotusScript
16 3 (0.88%) T-SQL
16 3 (0.88%) VB
Qualifications
1 14 (4.13%) Security Cleared
2 12 (3.54%) SC Cleared
3 9 (2.65%) Degree
4 3 (0.88%) BPSS Clearance
4 3 (0.88%) Computer Science Degree
5 2 (0.59%) CCNA
5 2 (0.59%) Cisco Certification
5 2 (0.59%) Microsoft Certification
6 1 (0.29%) ITIL Certification
6 1 (0.29%) Master's Degree
6 1 (0.29%) MCSE
Quality Assurance & Compliance
1 31 (9.14%) QA
2 3 (0.88%) PCI DSS
2 3 (0.88%) PMO
3 2 (0.59%) GDPR
3 2 (0.59%) SLA
System Software
1 18 (5.31%) Docker
2 5 (1.47%) Virtual Machines
3 3 (0.88%) Hyper-V
3 3 (0.88%) VMware Infrastructure
4 2 (0.59%) Apache Flume
4 2 (0.59%) Apache ZooKeeper
4 2 (0.59%) NFS
4 2 (0.59%) Virtual Servers
4 2 (0.59%) VMware ESXi
5 1 (0.29%) VirtualBox
Systems Management
1 15 (4.42%) Kubernetes
2 10 (2.95%) Ansible
3 5 (1.47%) Puppet
4 4 (1.18%) Opscode Chef
4 4 (1.18%) Single Sign-On
5 3 (0.88%) SELinux
6 2 (0.59%) EMC NetWorker
6 2 (0.59%) Grafana
6 2 (0.59%) Graphite
6 2 (0.59%) Kibana
6 2 (0.59%) Mesos
6 2 (0.59%) Nagios
6 2 (0.59%) Salt
6 2 (0.59%) SCOM
6 2 (0.59%) StatsD
6 2 (0.59%) ZABBIX
7 1 (0.29%) Packer
7 1 (0.29%) SCVMM
7 1 (0.29%) TeamSite
7 1 (0.29%) Terraform
Vendors
1 29 (8.55%) Microsoft
2 23 (6.78%) Adobe
3 16 (4.72%) Oracle
4 7 (2.06%) Google
5 6 (1.77%) ServiceNow
6 4 (1.18%) Rackspace
6 4 (1.18%) Sitecore
6 4 (1.18%) Tableau
7 3 (0.88%) Citrix
7 3 (0.88%) IBM
7 3 (0.88%) MicroStrategy
7 3 (0.88%) New Relic
7 3 (0.88%) Salesforce.com
7 3 (0.88%) Splunk
7 3 (0.88%) Twitter
7 3 (0.88%) VMware
8 2 (0.59%) Optimizely
8 2 (0.59%) Tealium
8 2 (0.59%) Tekelec
8 2 (0.59%) Xamarin