Period
to 18 January 2019

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 18 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)
South East > Berkshire
6 months to
18 Jan 2019
Same period 2018 Same period 2017
Rank 17 15 18
Rank change year-on-year -2 +3 +6
Contract jobs citing JavaScript 319 322 296
As % of all contract IT jobs advertised in Berkshire 7.72% 7.87% 7.33%
As % of the Programming Languages category 25.00% 26.18% 25.36%
Number of daily rates quoted 211 205 205
Berkshire median daily rate £425 £365 £400
Median daily rate % change year-on-year +16.44% -8.75% +6.67%
10th Percentile £263 £275 £304
90th Percentile £563 £481 £525
South East median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 0 1 8
Berkshire median hourly rate - £35.00 £35.75
Median hourly rate % change year-on-year - -2.10% +27.68%
South East median hourly rate £35.00 £45.00 £45.87
% change year-on-year -22.22% -1.90% +27.42%

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 1,276 1,230 1,167
As % of all contract IT jobs advertised in Berkshire 30.90% 30.07% 28.90%
Number of daily rates quoted 786 708 684
Berkshire median daily rate £428 £400 £400
Median daily rate % change year-on-year +6.88% - +2.56%
10th Percentile £313 £300 £275
90th Percentile £588 £575 £538
South East median daily rate £440 £413 £400
% change year-on-year +6.67% +3.13% +6.67%
Number of hourly rates quoted 12 26 33
Berkshire median hourly rate £40.00 £37.50 £35.00
Median hourly rate % change year-on-year +6.67% +7.14% -7.89%
10th Percentile £35.13 £9.38 £12.25
90th Percentile £47.50 £48.75 £48.50
South East median hourly rate £45.00 £45.00 £41.00
% change year-on-year - +9.76% +6.49%

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 18 January 2019.

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 18 January 2019. 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 -3 112 £450 +23.29% 57
Bracknell +12 75 £475 +26.67% 27
Newbury -3 30 £370 +5.34% 27
Slough -13 26 £388 -3.13% 8
Maidenhead -4 11 £325 - 14
Windsor +9 1 - - 2
Wokingham - 1 - - 15
JavaScript
South East

For the 6 months to 18 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 Berkshire region with a requirement for JavaScript.

1 162 (50.78%) CSS
2 156 (48.90%) HTML
3 143 (44.83%) Agile Software Development
4 109 (34.17%) React
5 103 (32.29%) Git (software)
6 94 (29.47%) AngularJS
7 91 (28.53%) TDD
8 79 (24.76%) HTML5
8 79 (24.76%) Node.js
9 78 (24.45%) Java
10 77 (24.14%) C#
10 77 (24.14%) .NET
11 72 (22.57%) MVC
12 66 (20.69%) Front End Development
13 64 (20.06%) Scrum
14 62 (19.44%) CSS3
14 62 (19.44%) REST
14 62 (19.44%) Continuous Integration
15 58 (18.18%) BDD
16 56 (17.55%) Jenkins
17 54 (16.93%) JIRA
17 54 (16.93%) Web Services
18 53 (16.61%) ASP.NET
18 53 (16.61%) Amazon AWS
19 49 (15.36%) Microsoft Azure
20 48 (15.05%) OO
21 47 (14.73%) SQL Server
22 46 (14.42%) SQL
23 44 (13.79%) Microservices
24 43 (13.48%) 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 26 (8.15%) Confluence
2 16 (5.02%) Elasticsearch
3 10 (3.13%) Adobe Experience Manager
3 10 (3.13%) Apache Solr
3 10 (3.13%) CMS
4 9 (2.82%) IIS
4 9 (2.82%) Liferay
4 9 (2.82%) Skype for Business
5 8 (2.51%) Umbraco
6 6 (1.88%) SharePoint
7 5 (1.57%) WordPress
8 4 (1.25%) Apache Spark
8 4 (1.25%) IBM Domino
8 4 (1.25%) WebSphere
9 3 (0.94%) IBM Notes
9 3 (0.94%) Oracle Workflow
10 2 (0.63%) Apache
11 1 (0.31%) Joomla!
11 1 (0.31%) NServiceBus
11 1 (0.31%) SharePoint 2013
Applications
1 17 (5.33%) InVision
2 10 (3.13%) Chatbot
3 6 (1.88%) Adobe Creative Suite
3 6 (1.88%) Adobe Illustrator
3 6 (1.88%) Microsoft Excel
3 6 (1.88%) Photoshop
4 5 (1.57%) Microsoft Office
5 1 (0.31%) Microsoft PowerPoint
5 1 (0.31%) MS Visio
Business Applications
1 5 (1.57%) Magento
2 4 (1.25%) Dynamics CRM
3 1 (0.31%) Payment Gateway
3 1 (0.31%) Shopify
Cloud Services
1 53 (16.61%) Amazon AWS
2 49 (15.36%) Microsoft Azure
3 26 (8.15%) AWS Lambda
3 26 (8.15%) Serverless
4 18 (5.64%) AWS CloudFormation
5 16 (5.02%) Amazon Kinesis
5 16 (5.02%) PaaS
6 14 (4.39%) SaaS
7 13 (4.08%) Apigee
8 12 (3.76%) Amazon CloudWatch
9 10 (3.13%) Amazon EC2
9 10 (3.13%) Amazon ElastiCache
9 10 (3.13%) Amazon S3
9 10 (3.13%) Amazon SQS
9 10 (3.13%) CloudFront
9 10 (3.13%) IaaS
10 7 (2.19%) GitHub
11 5 (1.57%) Google Cloud Platform
12 3 (0.94%) Adobe Analytics
12 3 (0.94%) Force.com
Communications & Networking
1 12 (3.76%) Skype
2 11 (3.45%) HTTP
3 9 (2.82%) SSL
4 5 (1.57%) Internet
5 3 (0.94%) DNS
5 3 (0.94%) HTTPS
6 2 (0.63%) LAN
6 2 (0.63%) TCP/IP
6 2 (0.63%) WAN
7 1 (0.31%) 5G
7 1 (0.31%) 802.11
7 1 (0.31%) DHCP
7 1 (0.31%) LTE
7 1 (0.31%) SMTP
7 1 (0.31%) SSH
7 1 (0.31%) VPN
7 1 (0.31%) Wireless
Database & Business Intelligence
1 47 (14.73%) SQL Server
2 27 (8.46%) Amazon DynamoDB
3 23 (7.21%) MySQL
4 19 (5.96%) NoSQL
5 17 (5.33%) PostgreSQL
6 16 (5.02%) MongoDB
7 15 (4.70%) Big Data
8 14 (4.39%) Apache Cassandra
9 8 (2.51%) Cosmos DB
10 6 (1.88%) Azure SQL Database
10 6 (1.88%) Relational Database
11 4 (1.25%) Hadoop
11 4 (1.25%) RDBMS
12 3 (0.94%) Redis
12 3 (0.94%) SQL Server 2008
12 3 (0.94%) SQL Server 2014
12 3 (0.94%) SQL Server Integration Services
12 3 (0.94%) SQL Server Reporting Services
13 2 (0.63%) Data Lake
13 2 (0.63%) Geospatial Data
Development Applications
1 103 (32.29%) Git (software)
2 56 (17.55%) Jenkins
3 54 (16.93%) JIRA
4 28 (8.78%) Mercurial
5 24 (7.52%) Visual Studio
6 23 (7.21%) JUnit
7 22 (6.90%) Maven
7 22 (6.90%) Visual Studio Team System
8 20 (6.27%) Jasmine
9 18 (5.64%) Mocha
10 17 (5.33%) Subversion
10 17 (5.33%) webpack
11 16 (5.02%) Team Foundation Server
12 11 (3.45%) Eclipse
12 11 (3.45%) git-flow
12 11 (3.45%) gulp
12 11 (3.45%) Mockito
13 10 (3.13%) Checkstyle
13 10 (3.13%) IntelliJ
13 10 (3.13%) SonarQube
General
1 27 (8.46%) Retail
2 18 (5.64%) Telecoms
3 9 (2.82%) Marketing
4 7 (2.19%) Finance
4 7 (2.19%) Publishing
5 3 (0.94%) Aerospace
5 3 (0.94%) Manufacturing
6 2 (0.63%) Advertising
6 2 (0.63%) Banking
6 2 (0.63%) Electronics
7 1 (0.31%) Games
7 1 (0.31%) German Language
7 1 (0.31%) Legal
7 1 (0.31%) Multimedia
Job Titles
1 241 (75.55%) Developer
2 65 (20.38%) React Developer
3 55 (17.24%) JavaScript Developer
4 49 (15.36%) Front End Developer (Client-Side Developer)
5 36 (11.29%) Senior Developer
6 29 (9.09%) Full Stack Developer
7 28 (8.78%) Java Developer
8 26 (8.15%) .NET Developer
8 26 (8.15%) C# Developer
9 20 (6.27%) HTML Developer
10 19 (5.96%) Angular Developer
10 19 (5.96%) Designer
11 17 (5.33%) SQL Developer
12 16 (5.02%) Senior Java Developer
13 15 (4.70%) C# .NET Developer
14 14 (4.39%) Software Developer
14 14 (4.39%) UI Designer
14 14 (4.39%) Web Developer
15 12 (3.76%) HTML CSS Developer
15 12 (3.76%) Software Engineer
Libraries, Frameworks & Software Standards
1 162 (50.78%) CSS
2 156 (48.90%) HTML
3 109 (34.17%) React
4 94 (29.47%) AngularJS
5 79 (24.76%) HTML5
5 79 (24.76%) Node.js
6 77 (24.14%) .NET
7 62 (19.44%) CSS3
7 62 (19.44%) REST
8 54 (16.93%) Web Services
9 53 (16.61%) ASP.NET
10 42 (13.17%) Sass
11 38 (11.91%) ASP.NET Web API
11 38 (11.91%) jQuery
12 36 (11.29%) RESTful
12 36 (11.29%) Spring
13 33 (10.34%) XML
14 27 (8.46%) JSON
15 25 (7.84%) Vue.js
16 24 (7.52%) Redux
Miscellaneous
1 37 (11.60%) User Experience
2 30 (9.40%) Mobile App
3 25 (7.84%) Greenfield Project
4 16 (5.02%) Analytical Skills
5 14 (4.39%) Graphic Design
6 12 (3.76%) Analytical Mindset
7 11 (3.45%) Enterprise Software
8 6 (1.88%) Data Structures
9 5 (1.57%) iPad
10 4 (1.25%) Public Cloud
10 4 (1.25%) Social Media
11 3 (0.94%) Life Science
12 2 (0.63%) Algorithms
12 2 (0.63%) Data Centre
12 2 (0.63%) Digital Media
12 2 (0.63%) Linked Data
12 2 (0.63%) Management Information System
12 2 (0.63%) NHS
12 2 (0.63%) Semantic Web
13 1 (0.31%) Fintech
Operating Systems
1 24 (7.52%) Linux
2 19 (5.96%) Windows
3 11 (3.45%) CentOS
3 11 (3.45%) Red Hat Enterprise Linux
4 7 (2.19%) Apple iOS
5 5 (1.57%) Unix
6 4 (1.25%) Android
7 3 (0.94%) Solaris
8 2 (0.63%) Ubuntu
8 2 (0.63%) Windows Server
9 1 (0.31%) Mac OS X
9 1 (0.31%) Windows Server 2008
Processes & Methodologies
1 143 (44.83%) Agile Software Development
2 91 (28.53%) TDD
3 72 (22.57%) MVC
4 66 (20.69%) Front End Development
5 64 (20.06%) Scrum
6 62 (19.44%) Continuous Integration
7 58 (18.18%) BDD
8 48 (15.05%) OO
9 44 (13.79%) Microservices
10 43 (13.48%) DevOps
11 42 (13.17%) Pair Programming
11 42 (13.17%) Software Engineering
12 40 (12.54%) OOP
13 38 (11.91%) User Stories
14 36 (11.29%) Unit Testing
15 31 (9.72%) Web Development
16 30 (9.40%) Analytics
16 30 (9.40%) Kanban
17 27 (8.46%) E-Commerce
18 25 (7.84%) Test Automation
Programming Languages
1 78 (24.45%) Java
2 77 (24.14%) C#
3 46 (14.42%) SQL
4 35 (10.97%) Python
5 26 (8.15%) TypeScript
6 25 (7.84%) Java 8
7 20 (6.27%) PHP
8 14 (4.39%) Bash Shell
8 14 (4.39%) C++
9 12 (3.76%) PowerShell
10 11 (3.45%) R
11 9 (2.82%) ES6
12 6 (1.88%) F#
12 6 (1.88%) Perl
13 5 (1.57%) Apple Swift
13 5 (1.57%) PL/SQL
13 5 (1.57%) Scala
14 4 (1.25%) Groovy
14 4 (1.25%) Ruby
15 3 (0.94%) LotusScript
Qualifications
1 15 (4.70%) SC Cleared
1 15 (4.70%) Security Cleared
2 8 (2.51%) Degree
3 2 (0.63%) CCNA
3 2 (0.63%) Cisco Certification
4 1 (0.31%) AWS Certification
4 1 (0.31%) CISSP
4 1 (0.31%) Computer Science Degree
4 1 (0.31%) DV Cleared
Quality Assurance & Compliance
1 25 (7.84%) QA
2 1 (0.31%) PMO
2 1 (0.31%) SLA
System Software
1 27 (8.46%) Docker
2 4 (1.25%) VMware Infrastructure
3 3 (0.94%) Active Directory
3 3 (0.94%) Apache Flume
4 2 (0.63%) Virtual Machines
5 1 (0.31%) Apache ZooKeeper
5 1 (0.31%) Hyper-V
5 1 (0.31%) NFS
5 1 (0.31%) Terminal Services
5 1 (0.31%) VirtualBox
5 1 (0.31%) VMware ESXi
Systems Management
1 15 (4.70%) Kubernetes
2 5 (1.57%) Ansible
3 4 (1.25%) Puppet
4 3 (0.94%) Opscode Chef
5 2 (0.63%) HP ALM
5 2 (0.63%) Kibana
5 2 (0.63%) Mesos
5 2 (0.63%) Terraform
6 1 (0.31%) confd
6 1 (0.31%) Grafana
6 1 (0.31%) Graphite
6 1 (0.31%) Nagios
6 1 (0.31%) Packer
6 1 (0.31%) Salt
6 1 (0.31%) StatsD
6 1 (0.31%) ZABBIX
Vendors
1 40 (12.54%) Microsoft
2 37 (11.60%) Adobe
3 11 (3.45%) Oracle
4 10 (3.13%) ServiceNow
5 8 (2.51%) Google
6 6 (1.88%) SAP
7 5 (1.57%) Apple
7 5 (1.57%) Atlassian
8 4 (1.25%) IBM
8 4 (1.25%) Sitecore
8 4 (1.25%) VMware
9 3 (0.94%) Cisco
9 3 (0.94%) ClickTale
9 3 (0.94%) Maxymiser
9 3 (0.94%) MicroStrategy
9 3 (0.94%) Optimizely
9 3 (0.94%) Salesforce.com
9 3 (0.94%) Tableau
10 2 (0.63%) Splunk
10 2 (0.63%) Xamarin