Period
to 18 November 2018

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 November 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 > Slough
6 months to
18 Nov 2018
Same period 2017 Same period 2016
Rank 12 5 23
Rank change year-on-year -7 +18 -9
Contract jobs citing JavaScript 33 32 21
As % of all contract IT jobs advertised in Slough 9.68% 10.81% 6.69%
As % of the Programming Languages category 26.40% 31.37% 19.27%
Number of daily rates quoted 31 27 15
Slough median daily rate £388 £400 £325
Median daily rate % change year-on-year -3.13% +23.08% -3.70%
10th Percentile £225 £313 £304
90th Percentile £500 £543 £400
Berkshire median daily rate £400 £375 £375
% change year-on-year +6.67% - -
Number of hourly rates quoted 0 0 0
Slough median hourly rate - - -
Berkshire median hourly rate £30.00 £35.00 £32.00
% change year-on-year -14.29% +9.38% +14.29%

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 125 102 109
As % of all contract IT jobs advertised in Slough 36.66% 34.46% 34.71%
Number of daily rates quoted 87 73 72
Slough median daily rate £405 £400 £334
Median daily rate % change year-on-year +1.25% +19.85% +2.69%
10th Percentile £225 £304 £290
90th Percentile £550 £535 £450
Berkshire median daily rate £425 £400 £400
% change year-on-year +6.25% - +6.24%
Number of hourly rates quoted 1 1 2
Slough median hourly rate £15.00 £41.00 £38.50
Median hourly rate % change year-on-year -63.41% +6.49% +5.48%
Berkshire median hourly rate £40.00 £33.00 £31.00
% change year-on-year +21.21% +6.45% -16.22%

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 November 2018.

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 November 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 Slough region with a requirement for JavaScript.

1 16 (48.48%) Vue.js
2 13 (39.39%) B2B
2 13 (39.39%) Analytics
2 13 (39.39%) User Experience
3 12 (36.36%) Analytical Skills
3 12 (36.36%) Data Visualisation
3 12 (36.36%) Visualisation
3 12 (36.36%) Graphic Design
3 12 (36.36%) Adobe
3 12 (36.36%) Typography
3 12 (36.36%) Infographics
3 12 (36.36%) Prototyping
3 12 (36.36%) InVision
3 12 (36.36%) Analytical Mindset
3 12 (36.36%) Interaction Design
4 9 (27.27%) HTML
5 7 (21.21%) jQuery
5 7 (21.21%) Git (software)
5 7 (21.21%) PHP
5 7 (21.21%) CSS
6 6 (18.18%) Marketing
6 6 (18.18%) CSS3
6 6 (18.18%) HTML5
7 5 (15.15%) Symfony
7 5 (15.15%) Drupal
7 5 (15.15%) PHPUnit
7 5 (15.15%) Linux
8 4 (12.12%) Workflow
8 4 (12.12%) Digital Marketing
8 4 (12.12%) ES6

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 5 (15.15%) Drupal
2 2 (6.06%) Apache
2 2 (6.06%) WordPress
3 1 (3.03%) Apache Solr
3 1 (3.03%) Apache Spark
3 1 (3.03%) Elasticsearch
Applications
1 12 (36.36%) InVision
2 1 (3.03%) Microsoft Excel
2 1 (3.03%) Microsoft Office
2 1 (3.03%) Microsoft PowerPoint
2 1 (3.03%) MS Visio
Business Applications
1 1 (3.03%) Magento
Cloud Services
1 2 (6.06%) Amazon AWS
Communications & Networking
1 3 (9.09%) DNS
2 2 (6.06%) HTTP
3 1 (3.03%) 802.11
3 1 (3.03%) Broadband
3 1 (3.03%) DHCP
3 1 (3.03%) HTTPS
3 1 (3.03%) TCP/IP
3 1 (3.03%) VPN
3 1 (3.03%) Wireless
Database & Business Intelligence
1 1 (3.03%) Apache Cassandra
1 1 (3.03%) Big Data
1 1 (3.03%) MongoDB
1 1 (3.03%) Neo4j
1 1 (3.03%) NoSQL
1 1 (3.03%) Redis
1 1 (3.03%) SQL Server
1 1 (3.03%) SQL Server 2012
Development Applications
1 7 (21.21%) Git (software)
2 5 (15.15%) PHPUnit
General
1 6 (18.18%) Marketing
2 2 (6.06%) Legal
2 2 (6.06%) Telecoms
3 1 (3.03%) Aerospace
3 1 (3.03%) Games
3 1 (3.03%) Publishing
Job Titles
1 13 (39.39%) Designer
2 8 (24.24%) Developer
2 8 (24.24%) UI Designer
3 3 (9.09%) 2nd Line Support
3 3 (9.09%) Drupal Developer
4 2 (6.06%) 2nd Line Engineer
4 2 (6.06%) 2nd Line Support Engineer
4 2 (6.06%) Software Engineer
4 2 (6.06%) Support Engineer
4 2 (6.06%) WordPress Developer
5 1 (3.03%) JavaScript Developer
5 1 (3.03%) Node.js Developer
5 1 (3.03%) QA Engineer
5 1 (3.03%) QA Test Engineer
5 1 (3.03%) React Developer
5 1 (3.03%) Senior Software Engineer
5 1 (3.03%) Technical Manager
5 1 (3.03%) Test Engineer
5 1 (3.03%) Unix Support
5 1 (3.03%) Web Developer
Libraries, Frameworks & Software Standards
1 16 (48.48%) Vue.js
2 9 (27.27%) HTML
3 7 (21.21%) CSS
3 7 (21.21%) jQuery
4 6 (18.18%) CSS3
4 6 (18.18%) HTML5
5 5 (15.15%) Symfony
6 3 (9.09%) .NET
6 3 (9.09%) Node.js
6 3 (9.09%) React
7 2 (6.06%) SOAP
8 1 (3.03%) .NET Framework
8 1 (3.03%) 802.1X
8 1 (3.03%) Ajax
8 1 (3.03%) Apache Flex
8 1 (3.03%) ASP.NET
8 1 (3.03%) JSON
8 1 (3.03%) Lucene
8 1 (3.03%) Memcached
8 1 (3.03%) React Native
Miscellaneous
1 13 (39.39%) User Experience
2 12 (36.36%) Analytical Mindset
2 12 (36.36%) Analytical Skills
2 12 (36.36%) Graphic Design
3 2 (6.06%) Data Centre
4 1 (3.03%) Machine to Machine
4 1 (3.03%) Mobile App
4 1 (3.03%) NHS
4 1 (3.03%) Over-the-Top Content
Operating Systems
1 5 (15.15%) Linux
2 2 (6.06%) Android
2 2 (6.06%) Apple iOS
2 2 (6.06%) CentOS
2 2 (6.06%) Red Hat Enterprise Linux
2 2 (6.06%) Solaris
2 2 (6.06%) Ubuntu
2 2 (6.06%) Unix
3 1 (3.03%) Windows
3 1 (3.03%) Windows Server
Processes & Methodologies
1 13 (39.39%) Analytics
1 13 (39.39%) B2B
2 12 (36.36%) Data Visualisation
2 12 (36.36%) Infographics
2 12 (36.36%) Interaction Design
2 12 (36.36%) Prototyping
2 12 (36.36%) Typography
2 12 (36.36%) Visualisation
3 4 (12.12%) Digital Marketing
3 4 (12.12%) Workflow
4 3 (9.09%) Agile Software Development
4 3 (9.09%) OO
4 3 (9.09%) Scrum
5 2 (6.06%) Business Intelligence
5 2 (6.06%) Root Cause Analysis
5 2 (6.06%) Software Engineering
5 2 (6.06%) Web Development
6 1 (3.03%) Anomaly Detection
6 1 (3.03%) Machine Learning
6 1 (3.03%) OO PHP
Programming Languages
1 7 (21.21%) PHP
2 4 (12.12%) ES6
3 3 (9.09%) Perl
4 2 (6.06%) Python
4 2 (6.06%) SQL
5 1 (3.03%) Apple Swift
5 1 (3.03%) C
5 1 (3.03%) C#
5 1 (3.03%) Java
5 1 (3.03%) TypeScript
Quality Assurance & Compliance
1 2 (6.06%) SLA
2 1 (3.03%) QA
System Software
1 3 (9.09%) VMware Infrastructure
2 2 (6.06%) NFS
2 2 (6.06%) Virtual Machines
2 2 (6.06%) VMware ESXi
3 1 (3.03%) Active Directory
3 1 (3.03%) Docker
3 1 (3.03%) Terminal Services
Systems Management
1 2 (6.06%) Puppet
2 1 (3.03%) Kubernetes
Vendors
1 12 (36.36%) Adobe
2 3 (9.09%) VMware
3 2 (6.06%) Citrix
3 2 (6.06%) Microsoft
3 2 (6.06%) NetApp
3 2 (6.06%) Oracle
3 2 (6.06%) Red Hat
3 2 (6.06%) Tekelec
4 1 (3.03%) Rackspace
4 1 (3.03%) Sandvine
4 1 (3.03%) Veeam