Period
to 18 January 2019

The following table provides summary statistics for contract job vacancies advertised in Slough 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)
Berkshire > Slough
6 months to
18 Jan 2019
Same period 2018 Same period 2017
Rank 18 5 10
Rank change year-on-year -13 +5 +3
Contract jobs citing JavaScript 26 32 30
As % of all contract IT jobs advertised in Slough 7.56% 11.64% 10.99%
As % of the Programming Languages category 22.81% 32.65% 28.30%
Number of daily rates quoted 25 23 23
Slough median daily rate £388 £400 £363
Median daily rate % change year-on-year -3.13% +10.34% +16.00%
10th Percentile £225 £315 £310
90th Percentile £480 £481 £450
Berkshire median daily rate £425 £365 £400
% change year-on-year +16.44% -8.75% +6.67%
Number of hourly rates quoted 0 0 0
Slough median hourly rate - - -
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 Slough with a requirement for coding skills.

All Programming Languages
Slough
Contract vacancies with a requirement for coding skills 114 98 106
As % of all contract IT jobs advertised in Slough 33.14% 35.64% 38.83%
Number of daily rates quoted 76 66 72
Slough median daily rate £428 £400 £338
Median daily rate % change year-on-year +6.88% +18.52% -3.57%
10th Percentile £225 £309 £276
90th Percentile £550 £516 £450
Berkshire median daily rate £428 £400 £400
% change year-on-year +6.88% - +2.56%
Number of hourly rates quoted 1 3 5
Slough median hourly rate £15.00 £41.00 £41.00
Median hourly rate % change year-on-year -63.41% - +36.67%
Berkshire median hourly rate £40.00 £37.50 £35.00
% change year-on-year +6.67% +7.14% -7.89%

JavaScript
Job Vacancy Trend in Slough

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

Job vacancy trend for JavaScript in Slough

JavaScript
Contractor Daily Rate Trend in Slough

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

Contractor daily rate trend for JavaScript in Slough

JavaScript
Contractor Daily Rate Histogram in Slough

The daily rate distribution of IT jobs citing JavaScript in Slough over the 6 months to 18 January 2019.

Contractor daily rate histogram for JavaScript in Slough

JavaScript
Contractor Hourly Rate Trend in Slough

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

Contractor hourly rate trend for JavaScript in Slough

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 Slough region with a requirement for JavaScript.

1 17 (65.38%) Vue.js
2 14 (53.85%) User Experience
3 12 (46.15%) Graphic Design
3 12 (46.15%) B2B
3 12 (46.15%) Adobe
3 12 (46.15%) Analytical Skills
3 12 (46.15%) Typography
3 12 (46.15%) Infographics
3 12 (46.15%) Data Visualisation
3 12 (46.15%) Visualisation
3 12 (46.15%) Analytics
3 12 (46.15%) Prototyping
3 12 (46.15%) InVision
3 12 (46.15%) Analytical Mindset
3 12 (46.15%) Interaction Design
4 6 (23.08%) Marketing
5 5 (19.23%) Git (software)
5 5 (19.23%) .NET
6 4 (15.38%) Digital Marketing
6 4 (15.38%) Workflow
6 4 (15.38%) Agile Software Development
6 4 (15.38%) ES6
7 3 (11.54%) React
7 3 (11.54%) C#
7 3 (11.54%) HTML
7 3 (11.54%) ASP.NET
7 3 (11.54%) CSS
8 2 (7.69%) PHP
8 2 (7.69%) DNS
8 2 (7.69%) Linux

JavaScript
Co-occurring IT Skills in Slough 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 1 (3.85%) Apache
Applications
1 12 (46.15%) InVision
2 1 (3.85%) Adobe Illustrator
2 1 (3.85%) Microsoft Excel
2 1 (3.85%) Microsoft Office
2 1 (3.85%) Microsoft PowerPoint
2 1 (3.85%) MS Visio
2 1 (3.85%) Photoshop
Business Applications
1 1 (3.85%) Magento
Cloud Services
1 2 (7.69%) Microsoft Azure
2 1 (3.85%) Amazon AWS
2 1 (3.85%) SaaS
Communications & Networking
1 2 (7.69%) DNS
2 1 (3.85%) 802.11
2 1 (3.85%) DHCP
2 1 (3.85%) TCP/IP
2 1 (3.85%) VPN
2 1 (3.85%) Wireless
Database & Business Intelligence
1 1 (3.85%) SQL Server
Development Applications
1 5 (19.23%) Git (software)
General
1 6 (23.08%) Marketing
2 1 (3.85%) Aerospace
2 1 (3.85%) Games
2 1 (3.85%) Legal
2 1 (3.85%) Publishing
Job Titles
1 13 (50.00%) Designer
2 9 (34.62%) UI Designer
3 4 (15.38%) Developer
4 2 (7.69%) 2nd Line Support
5 1 (3.85%) 2nd Line Engineer
5 1 (3.85%) 2nd Line Support Engineer
5 1 (3.85%) C# Developer
5 1 (3.85%) Full Stack Developer
5 1 (3.85%) JavaScript Developer
5 1 (3.85%) Magento Developer
5 1 (3.85%) Node.js Developer
5 1 (3.85%) React Developer
5 1 (3.85%) Senior Software Engineer
5 1 (3.85%) Sitecore Developer
5 1 (3.85%) Software Engineer
5 1 (3.85%) Support Engineer
5 1 (3.85%) Technical Manager
5 1 (3.85%) UI/UX Designer
5 1 (3.85%) Unix Support
5 1 (3.85%) UX Designer
Libraries, Frameworks & Software Standards
1 17 (65.38%) Vue.js
2 5 (19.23%) .NET
3 3 (11.54%) ASP.NET
3 3 (11.54%) CSS
3 3 (11.54%) HTML
3 3 (11.54%) React
4 2 (7.69%) .NET Core
4 2 (7.69%) AngularJS
4 2 (7.69%) ASP.NET Core
4 2 (7.69%) Node.js
5 1 (3.85%) 802.1X
5 1 (3.85%) ASP.NET Web API
5 1 (3.85%) jQuery
5 1 (3.85%) KnockoutJS
5 1 (3.85%) React Native
5 1 (3.85%) Redux
5 1 (3.85%) Sass
5 1 (3.85%) SOAP
Miscellaneous
1 14 (53.85%) User Experience
2 12 (46.15%) Analytical Mindset
2 12 (46.15%) Analytical Skills
2 12 (46.15%) Graphic Design
3 1 (3.85%) Data Centre
3 1 (3.85%) Mobile App
3 1 (3.85%) NHS
Operating Systems
1 2 (7.69%) Linux
2 1 (3.85%) Android
2 1 (3.85%) Apple iOS
2 1 (3.85%) CentOS
2 1 (3.85%) Red Hat Enterprise Linux
2 1 (3.85%) Solaris
2 1 (3.85%) Ubuntu
2 1 (3.85%) Unix
2 1 (3.85%) Windows
2 1 (3.85%) Windows Server
Processes & Methodologies
1 12 (46.15%) Analytics
1 12 (46.15%) B2B
1 12 (46.15%) Data Visualisation
1 12 (46.15%) Infographics
1 12 (46.15%) Interaction Design
1 12 (46.15%) Prototyping
1 12 (46.15%) Typography
1 12 (46.15%) Visualisation
2 4 (15.38%) Agile Software Development
2 4 (15.38%) Digital Marketing
2 4 (15.38%) Workflow
3 2 (7.69%) Scrum
4 1 (3.85%) Business Intelligence
4 1 (3.85%) E-Commerce
4 1 (3.85%) ITIL
4 1 (3.85%) MVC
4 1 (3.85%) OO
4 1 (3.85%) Software Engineering
4 1 (3.85%) Stakeholder Management
4 1 (3.85%) TDD
Programming Languages
1 4 (15.38%) ES6
2 3 (11.54%) C#
3 2 (7.69%) PHP
4 1 (3.85%) Java
4 1 (3.85%) Perl
4 1 (3.85%) Python
4 1 (3.85%) SQL
4 1 (3.85%) TypeScript
Quality Assurance & Compliance
1 1 (3.85%) SLA
System Software
1 2 (7.69%) VMware Infrastructure
2 1 (3.85%) Active Directory
2 1 (3.85%) NFS
2 1 (3.85%) Terminal Services
2 1 (3.85%) Virtual Machines
2 1 (3.85%) VMware ESXi
Systems Management
1 1 (3.85%) Puppet
Vendors
1 12 (46.15%) Adobe
2 2 (7.69%) VMware
3 1 (3.85%) Citrix
3 1 (3.85%) Microsoft
3 1 (3.85%) NetApp
3 1 (3.85%) Oracle
3 1 (3.85%) Red Hat
3 1 (3.85%) Sandvine
3 1 (3.85%) Sitecore
3 1 (3.85%) Tekelec
3 1 (3.85%) Veeam