Period
to 23 November 2017

The following table provides summary statistics for contract job vacancies advertised in Sheffield 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 November 2017 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 Yorkshire > Sheffield
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 16 5 11
Rank change year-on-year -11 +6 +4
Contract jobs citing JavaScript 56 121 79
As % of all contract IT jobs advertised in Sheffield 8.21% 12.51% 10.29%
As % of the Programming Languages category 23.53% 28.67% 29.37%
Number of daily rates quoted 53 88 80
Sheffield median daily rate £435 £390 £375
Median daily rate % change year-on-year +11.54% +4.00% +25.00%
10th Percentile £313 £221 £300
90th Percentile £645 £491 £526
South Yorkshire median daily rate £435 £385 £375
% change year-on-year +12.99% +2.67% +20.00%
Number of hourly rates quoted 0 0 0
Sheffield median hourly rate - - -
South Yorkshire median hourly rate - - -

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 Sheffield with a requirement for coding skills.

All Programming Languages
Sheffield
Contract vacancies with a requirement for coding skills 238 422 269
As % of all contract IT jobs advertised in Sheffield 34.90% 43.64% 35.03%
Number of daily rates quoted 171 318 196
Sheffield median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25% +23.08%
10th Percentile £313 £310 £275
90th Percentile £600 £575 £535
South Yorkshire median daily rate £425 £419 £375
% change year-on-year +1.49% +11.67% +15.38%
Number of hourly rates quoted 0 6 2
Sheffield median hourly rate - £45.00 £17.25
Median hourly rate % change year-on-year - +160.87% +5.57%
South Yorkshire median hourly rate - £45.00 £22.00
% change year-on-year - +104.55% -

JavaScript
Job Vacancy Trend in Sheffield

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

Job vacancy trend for JavaScript in Sheffield

JavaScript
Contractor Daily Rate Trend in Sheffield

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

Contractor daily rate trend for JavaScript in Sheffield

JavaScript
Contractor Daily Rate Histogram in Sheffield

The daily rate distribution of IT jobs citing JavaScript in Sheffield over the 6 months to 23 November 2017.

Contractor daily rate histogram for JavaScript in Sheffield

JavaScript
Contractor Hourly Rate Trend in Sheffield

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

Contractor hourly rate trend for JavaScript in Sheffield

For the 6 months to 23 November 2017, IT contractor jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Sheffield region with a requirement for JavaScript.

1 37 (66.07%) Agile Software Development
2 36 (64.29%) HTML
3 34 (60.71%) CSS
4 28 (50.00%) Java
5 26 (46.43%) TDD
6 23 (41.07%) React
7 22 (39.29%) Git (software)
8 19 (33.93%) Continuous Delivery
8 19 (33.93%) Node.js
9 17 (30.36%) DevOps
10 16 (28.57%) AngularJS
11 15 (26.79%) Mentoring
11 15 (26.79%) Linux
12 13 (23.21%) MySQL
12 13 (23.21%) RESTful
13 12 (21.43%) Software Engineering
13 12 (21.43%) Web Services
14 11 (19.64%) Unix
14 11 (19.64%) Mac OS X
14 11 (19.64%) Web Development
14 11 (19.64%) Test Automation
14 11 (19.64%) jQuery
15 10 (17.86%) Continuous Integration
15 10 (17.86%) Scrum
15 10 (17.86%) Open Source
15 10 (17.86%) HTML5
16 9 (16.07%) MongoDB
16 9 (16.07%) REST
16 9 (16.07%) CSS3
16 9 (16.07%) Microservices

JavaScript
Co-occurring IT Skills in Sheffield 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 4 (7.14%) CMS
1 4 (7.14%) Confluence
2 2 (3.57%) Moodle
2 2 (3.57%) WordPress
3 1 (1.79%) Adobe Experience Manager
3 1 (1.79%) IBM Domino
3 1 (1.79%) IBM Notes
3 1 (1.79%) SharePoint
3 1 (1.79%) SharePoint 2010
Cloud Services
1 2 (3.57%) Slack
2 1 (1.79%) Amazon AWS
2 1 (1.79%) Microsoft Azure
Communications & Networking
1 4 (7.14%) HTTP
2 1 (1.79%) SSL
Database & Business Intelligence
1 13 (23.21%) MySQL
2 9 (16.07%) MongoDB
3 6 (10.71%) Relational Database
4 5 (8.93%) NoSQL
4 5 (8.93%) PostgreSQL
5 3 (5.36%) Apache Cassandra
6 1 (1.79%) SQL Server
6 1 (1.79%) SQL Server 2005
6 1 (1.79%) SQL Server 2008
Development Applications
1 22 (39.29%) Git (software)
2 9 (16.07%) Jenkins
3 6 (10.71%) Selenium
4 5 (8.93%) Jasmine
5 4 (7.14%) Cucumber
5 4 (7.14%) JIRA
5 4 (7.14%) Karma Test Runner
5 4 (7.14%) WebDriver
6 3 (5.36%) Axure RP
6 3 (5.36%) JUnit
7 2 (3.57%) Subversion
General
1 6 (10.71%) Finance
1 6 (10.71%) Marketing
2 5 (8.93%) Games
2 5 (8.93%) Telecoms
3 3 (5.36%) Banking
3 3 (5.36%) Electronics
3 3 (5.36%) Manufacturing
3 3 (5.36%) Online Betting
4 2 (3.57%) Billing
4 2 (3.57%) Retail
5 1 (1.79%) Advertising
5 1 (1.79%) Law
Job Titles
1 34 (60.71%) Developer
2 13 (23.21%) JavaScript Developer
3 11 (19.64%) Architect
4 9 (16.07%) Java Developer
5 6 (10.71%) Node.js Developer
6 5 (8.93%) Full Stack Developer
6 5 (8.93%) Lead Software Engineer
6 5 (8.93%) Software Engineer
6 5 (8.93%) Technical Architect
7 4 (7.14%) PHP Developer
8 3 (5.36%) .NET Developer
8 3 (5.36%) Designer
8 3 (5.36%) Front End Developer (Client-Side Developer)
8 3 (5.36%) Java Architect
8 3 (5.36%) Java Technical Architect
8 3 (5.36%) UX Designer
9 2 (3.57%) Applications Developer
9 2 (3.57%) Moodle Developer
9 2 (3.57%) PHP MySQL Developer
9 2 (3.57%) UI/UX Designer
Libraries, Frameworks & Software Standards
1 36 (64.29%) HTML
2 34 (60.71%) CSS
3 23 (41.07%) React
4 19 (33.93%) Node.js
5 16 (28.57%) AngularJS
6 13 (23.21%) RESTful
7 12 (21.43%) Web Services
8 11 (19.64%) jQuery
9 10 (17.86%) HTML5
10 9 (16.07%) CSS3
10 9 (16.07%) REST
11 7 (12.50%) Angular 2
12 5 (8.93%) J2EE
12 5 (8.93%) JSP
12 5 (8.93%) KnockoutJS
12 5 (8.93%) Twitter Bootstrap
12 5 (8.93%) XML
13 3 (5.36%) .NET
13 3 (5.36%) ASP.NET
13 3 (5.36%) SOAP
Miscellaneous
1 8 (14.29%) User Experience
2 6 (10.71%) Greenfield Project
3 1 (1.79%) Linux Command Line
Operating Systems
1 15 (26.79%) Linux
2 11 (19.64%) Mac OS X
2 11 (19.64%) Unix
3 3 (5.36%) Red Hat Enterprise Linux
Processes & Methodologies
1 37 (66.07%) Agile Software Development
2 26 (46.43%) TDD
3 19 (33.93%) Continuous Delivery
4 17 (30.36%) DevOps
5 15 (26.79%) Mentoring
6 12 (21.43%) Software Engineering
7 11 (19.64%) Test Automation
7 11 (19.64%) Web Development
8 10 (17.86%) Continuous Integration
8 10 (17.86%) Open Source
8 10 (17.86%) Scrum
9 9 (16.07%) Microservices
10 8 (14.29%) Coaching
10 8 (14.29%) Front End Development
10 8 (14.29%) Responsive Web Design
10 8 (14.29%) Web Design
11 6 (10.71%) Rapid Prototyping
12 5 (8.93%) BDD
12 5 (8.93%) Configuration Management
12 5 (8.93%) Integration Testing
Programming Languages
1 28 (50.00%) Java
2 9 (16.07%) Python
2 9 (16.07%) Ruby
3 8 (14.29%) SQL
4 5 (8.93%) PHP
5 3 (5.36%) C#
6 2 (3.57%) Clojure
6 2 (3.57%) PHP 5
6 2 (3.57%) Scala
7 1 (1.79%) T-SQL
7 1 (1.79%) TypeScript
Qualifications
1 3 (5.36%) Security Cleared
2 2 (3.57%) CTC Cleared
2 2 (3.57%) SC Cleared
3 1 (1.79%) BC Cleared
3 1 (1.79%) BPSS Clearance
3 1 (1.79%) IBM Certification
System Software
1 3 (5.36%) Docker
2 1 (1.79%) Active Directory
Systems Management
1 3 (5.36%) Opscode Chef
2 2 (3.57%) Grafana
3 1 (1.79%) Puppet
Vendors
1 3 (5.36%) Red Hat
1 3 (5.36%) SAP
2 2 (3.57%) Maxymiser
2 2 (3.57%) Microsoft
2 2 (3.57%) MuleSoft
2 2 (3.57%) Optimizely
2 2 (3.57%) Splunk
2 2 (3.57%) Zend
3 1 (1.79%) Adobe
3 1 (1.79%) IBM
3 1 (1.79%) Lotus