Period
to 20 May 2019

The median contractor rate for a JavaScript Developer was £525 per day in advertised job vacancies in Sheffield during the 6 months to 20 May 2019.

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
20 May 2019
Same period 2018 Same period 2017
Rank 56 62 51
Rank change year-on-year +6 -11 +10
Contract jobs requiring a JavaScript Developer 23 7 20
As % of all contract IT jobs advertised in Sheffield 2.87% 0.96% 2.95%
As % of the Job Titles category 3.03% 1.03% 3.08%
Number of daily rates quoted 18 4 15
Sheffield median daily rate £525 £300 £400
Median daily rate % change year-on-year +75.00% -25.00% +60.00%
10th Percentile £318 £266 £253
90th Percentile £550 £318 £490
South Yorkshire median daily rate £513 £300 £380
% change year-on-year +70.83% -21.05% +52.00%
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 759 679 649
% of contract IT jobs with a recognized job title 94.64% 93.53% 95.72%
Number of daily rates quoted 521 410 387
Sheffield median daily rate £468 £425 £425
Median daily rate % change year-on-year +10.00% - +3.03%
10th Percentile £230 £263 £225
90th Percentile £600 £550 £575
South Yorkshire median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% -
Number of hourly rates quoted 30 27 12
Sheffield median hourly rate £13.00 £17.50 £19.24
Median hourly rate % change year-on-year -25.71% -9.02% +47.96%
10th Percentile £8.98 £9.00 £10.81
90th Percentile £31.63 £35.00 £25.36
South Yorkshire median hourly rate £13.00 £17.54 £13.75
% change year-on-year -25.88% +27.56% -1.79%

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 20 May 2019.

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 20 May 2019, 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 23 (100.00%) JavaScript
2 15 (65.22%) Node.js
2 15 (65.22%) React
3 13 (56.52%) Vue.js
3 13 (56.52%) Agile Software Development
4 12 (52.17%) Test Automation
4 12 (52.17%) RESTful
4 12 (52.17%) AngularJS
5 11 (47.83%) HTML
6 10 (43.48%) Java
6 10 (43.48%) CSS
6 10 (43.48%) Open Source
6 10 (43.48%) ES6
6 10 (43.48%) Microservices
6 10 (43.48%) Asynchronous Programming
6 10 (43.48%) Progressive Web App
6 10 (43.48%) Continuous Deployment
7 8 (34.78%) Unix
7 8 (34.78%) Git (software)
7 8 (34.78%) Spring
7 8 (34.78%) Spring Boot
8 7 (30.43%) Bash Shell
8 7 (30.43%) TDD
8 7 (30.43%) Pair Programming
9 6 (26.09%) Web Development
10 5 (21.74%) C#
10 5 (21.74%) .NET
10 5 (21.74%) BPSS Clearance
11 4 (17.39%) Spock
11 4 (17.39%) ASP.NET MVC

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 1 (4.35%) Apache
1 1 (4.35%) IIS
1 1 (4.35%) Jetty
1 1 (4.35%) Mongrel
1 1 (4.35%) nginx
1 1 (4.35%) Tomcat
1 1 (4.35%) WebSphere
Applications
1 1 (4.35%) Sketch
Cloud Services
1 2 (8.70%) Amazon AWS
1 2 (8.70%) Amazon EC2
1 2 (8.70%) Google App Engine
1 2 (8.70%) Google Cloud Platform
2 1 (4.35%) IaaS
2 1 (4.35%) Microsoft Azure
2 1 (4.35%) PaaS
2 1 (4.35%) SaaS
Communications & Networking
1 2 (8.70%) DHCP
1 2 (8.70%) DNS
1 2 (8.70%) FTP
1 2 (8.70%) HTTP
1 2 (8.70%) IPsec
1 2 (8.70%) SSL
1 2 (8.70%) TCP/IP
2 1 (4.35%) Internet
Database & Business Intelligence
1 1 (4.35%) SQL Server
Development Applications
1 8 (34.78%) Git (software)
2 4 (17.39%) JUnit
2 4 (17.39%) Spock
3 1 (4.35%) Balsamiq
3 1 (4.35%) Jenkins
3 1 (4.35%) Travis CI
General
1 2 (8.70%) Finance
2 1 (4.35%) Retail
Libraries, Frameworks & Software Standards
1 15 (65.22%) Node.js
1 15 (65.22%) React
2 13 (56.52%) Vue.js
3 12 (52.17%) AngularJS
3 12 (52.17%) RESTful
4 11 (47.83%) HTML
5 10 (43.48%) CSS
6 8 (34.78%) Spring
6 8 (34.78%) Spring Boot
7 5 (21.74%) .NET
8 4 (17.39%) ASP.NET
8 4 (17.39%) ASP.NET MVC
8 4 (17.39%) Express
8 4 (17.39%) Hibernate
8 4 (17.39%) JPA
9 3 (13.04%) .NET Framework
9 3 (13.04%) ASP.NET Web API
9 3 (13.04%) Entity Framework
10 1 (4.35%) jQuery
10 1 (4.35%) JSON
Miscellaneous
1 2 (8.70%) User Experience
2 1 (4.35%) Greenfield Project
Operating Systems
1 8 (34.78%) Unix
2 3 (13.04%) Linux
3 1 (4.35%) Mac OS
Processes & Methodologies
1 13 (56.52%) Agile Software Development
2 12 (52.17%) Test Automation
3 10 (43.48%) Asynchronous Programming
3 10 (43.48%) Continuous Deployment
3 10 (43.48%) Microservices
3 10 (43.48%) Open Source
3 10 (43.48%) Progressive Web App
4 7 (30.43%) Pair Programming
4 7 (30.43%) TDD
5 6 (26.09%) Web Development
6 4 (17.39%) MVC
7 3 (13.04%) Continuous Integration
8 2 (8.70%) Configuration Management
9 1 (4.35%) API Development
9 1 (4.35%) DevOps
9 1 (4.35%) E-Commerce
9 1 (4.35%) Front End Development
9 1 (4.35%) High Availability
9 1 (4.35%) Product Management
9 1 (4.35%) Web Design
Programming Languages
1 23 (100.00%) JavaScript
2 10 (43.48%) ES6
2 10 (43.48%) Java
3 7 (30.43%) Bash Shell
4 5 (21.74%) C#
5 4 (17.39%) Java 8
5 4 (17.39%) SQL
Qualifications
1 5 (21.74%) BPSS Clearance
2 3 (13.04%) DBS Check
2 3 (13.04%) Security Cleared
Quality Assurance & Compliance
1 2 (8.70%) Disclosure Scotland
System Software
1 1 (4.35%) VMware Infrastructure
1 1 (4.35%) Xen
Systems Management
1 2 (8.70%) Puppet
Vendors
1 2 (8.70%) Google
1 2 (8.70%) Microsoft
1 2 (8.70%) VMware