Period
to 21 October 2018

The median contractor rate for a JavaScript Developer was £365 per day in advertised job vacancies in Sheffield during the 6 months to 21 October 2018.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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 Developer
South Yorkshire > Sheffield
6 months to
21 Oct 2018
Same period 2017 Same period 2016
Rank 46 51 63
Rank change year-on-year +5 +12 -1
Contract jobs requiring a JavaScript Developer 9 15 12
As % of all contract IT jobs advertised in Sheffield 1.54% 2.35% 1.34%
As % of the Job Titles category 1.63% 2.45% 1.43%
Number of daily rates quoted 4 13 11
Sheffield median daily rate £365 £400 £375
Median daily rate % change year-on-year -8.75% +6.67% -16.67%
10th Percentile £278 £306 £158
90th Percentile £467 £480 £438
South Yorkshire median daily rate £313 £400 £369
% change year-on-year -21.88% +8.47% -18.06%
Number of hourly rates quoted 0 0 0
Sheffield median hourly rate - - -
South Yorkshire median hourly rate - - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in Sheffield. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
Sheffield
Contract vacancies in Sheffield with a recognized job title 551 612 838
% of contract IT jobs with a recognized job title 94.19% 95.92% 93.84%
Number of daily rates quoted 349 336 574
Sheffield median daily rate £400 £425 £425
Median daily rate % change year-on-year -5.88% - +6.25%
10th Percentile £198 £161 £275
90th Percentile £538 £575 £575
South Yorkshire median daily rate £400 £410 £413
% change year-on-year -2.44% -0.61% +10.00%
Number of hourly rates quoted 19 12 21
Sheffield median hourly rate £16.93 £18.90 £13.00
Median hourly rate % change year-on-year -10.45% +45.38% +4.00%
10th Percentile £9.48 £12.05 £8.50
90th Percentile £27.43 £38.28 £34.95
South Yorkshire median hourly rate £15.00 £14.00 £14.74
% change year-on-year +7.14% -5.02% +17.92%

JavaScript Developer
Job Vacancy Trend in Sheffield

Job postings that featured JavaScript Developer in the job title as a percentage of all IT jobs advertised in Sheffield.

Job vacancy trend for JavaScript Developer in Sheffield

JavaScript Developer
Contractor Daily Rate Trend in Sheffield

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

Contractor daily rate trend for JavaScript Developer in Sheffield

JavaScript Developer
Contractor Daily Rate Histogram in Sheffield

The daily rate distribution of IT jobs citing JavaScript Developer in Sheffield over the 6 months to 21 October 2018.

Contractor daily rate histogram for JavaScript Developer in Sheffield

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills in Sheffield

For the 6 months to 21 October 2018, JavaScript Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Sheffield region featuring JavaScript Developer in the job title.

1 9 (100.00%) JavaScript
2 8 (88.89%) HTML
3 7 (77.78%) CSS
3 7 (77.78%) Agile Software Development
4 5 (55.56%) TDD
5 4 (44.44%) BDD
6 3 (33.33%) Git (software)
7 2 (22.22%) Apache
7 2 (22.22%) Unix
7 2 (22.22%) Linux
7 2 (22.22%) PHP
7 2 (22.22%) SQL
7 2 (22.22%) Python
7 2 (22.22%) HTML5
7 2 (22.22%) Subversion
7 2 (22.22%) Software Engineering
7 2 (22.22%) Docker
7 2 (22.22%) DevOps
7 2 (22.22%) NoSQL
7 2 (22.22%) React
8 1 (11.11%) Kotlin
8 1 (11.11%) ES6
8 1 (11.11%) Front End Development
8 1 (11.11%) Handlebars
8 1 (11.11%) Google Tag Manager
8 1 (11.11%) Twig
8 1 (11.11%) Deployment Automation
8 1 (11.11%) RabbitMQ
8 1 (11.11%) Node.js
8 1 (11.11%) CSS3

JavaScript Developer Skill Set
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 2 (22.22%) Apache
2 1 (11.11%) nginx
2 1 (11.11%) WebSphere
Cloud Services
1 1 (11.11%) Amazon AWS
1 1 (11.11%) GitHub
1 1 (11.11%) Google Tag Manager
1 1 (11.11%) Microsoft Azure
Communications & Networking
1 1 (11.11%) AMQP
Database & Business Intelligence
1 2 (22.22%) NoSQL
2 1 (11.11%) Couchbase
2 1 (11.11%) Hadoop
2 1 (11.11%) MongoDB
2 1 (11.11%) MySQL
2 1 (11.11%) PostgreSQL
2 1 (11.11%) Redis
2 1 (11.11%) Riak
Development Applications
1 3 (33.33%) Git (software)
2 2 (22.22%) Subversion
3 1 (11.11%) Cucumber
3 1 (11.11%) FitNesse
3 1 (11.11%) JIRA
3 1 (11.11%) Mercurial
3 1 (11.11%) Selenium
3 1 (11.11%) Sinon.JS
3 1 (11.11%) Vagrant
Libraries, Frameworks & Software Standards
1 8 (88.89%) HTML
2 7 (77.78%) CSS
3 2 (22.22%) HTML5
3 2 (22.22%) React
4 1 (11.11%) AngularJS
4 1 (11.11%) Backbone.js
4 1 (11.11%) Chai
4 1 (11.11%) CSS3
4 1 (11.11%) Ember.js
4 1 (11.11%) Handlebars
4 1 (11.11%) Jest
4 1 (11.11%) Kafka
4 1 (11.11%) KnockoutJS
4 1 (11.11%) LAPP Stack
4 1 (11.11%) Node.js
4 1 (11.11%) RabbitMQ
4 1 (11.11%) Redux
4 1 (11.11%) Sass
4 1 (11.11%) Twig
4 1 (11.11%) XML
Miscellaneous
1 1 (11.11%) Algorithms
1 1 (11.11%) Computer Science
1 1 (11.11%) Data Structures
1 1 (11.11%) Greenfield Project
1 1 (11.11%) User Experience
Operating Systems
1 2 (22.22%) Linux
1 2 (22.22%) Unix
Processes & Methodologies
1 7 (77.78%) Agile Software Development
2 5 (55.56%) TDD
3 4 (44.44%) BDD
4 2 (22.22%) DevOps
4 2 (22.22%) Software Engineering
5 1 (11.11%) CRM
5 1 (11.11%) DSDM
5 1 (11.11%) Integration Testing
5 1 (11.11%) Kanban
5 1 (11.11%) Microservices
5 1 (11.11%) OO
5 1 (11.11%) Responsive Web Design
5 1 (11.11%) RUP
5 1 (11.11%) Scrum
5 1 (11.11%) Separation of Concerns
5 1 (11.11%) Single Responsibility Principle
5 1 (11.11%) System Testing
5 1 (11.11%) Test Automation
5 1 (11.11%) Web Design
5 1 (11.11%) Web Development
Programming Languages
1 9 (100.00%) JavaScript
2 2 (22.22%) PHP
2 2 (22.22%) Python
2 2 (22.22%) SQL
3 1 (11.11%) Bash Shell
3 1 (11.11%) C#
3 1 (11.11%) ES6
3 1 (11.11%) Java
3 1 (11.11%) Kotlin
3 1 (11.11%) Perl
3 1 (11.11%) PL/SQL
3 1 (11.11%) Ruby
3 1 (11.11%) Scala
3 1 (11.11%) Shell Script
3 1 (11.11%) XPath
Qualifications
1 1 (11.11%) Computer Science Degree
1 1 (11.11%) Degree
Quality Assurance & Compliance
1 1 (11.11%) QA
System Software
1 2 (22.22%) Docker
Systems Management
1 1 (11.11%) Ansible
1 1 (11.11%) Cobbler
1 1 (11.11%) Kubernetes
1 1 (11.11%) Opscode Chef
1 1 (11.11%) Puppet
Vendors
1 1 (11.11%) Google
1 1 (11.11%) IBM
1 1 (11.11%) Informatica
1 1 (11.11%) Oracle
1 1 (11.11%) TIBCO