The following table provides summary statistics for contract job vacancies advertised in Sheffield with a requirement for JSON skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSON over the 3 months to 27 March 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.

JSON
South Yorkshire / Sheffield
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank 46 50 -
Rank change year-on-year +4 -  
Contract jobs citing JSON 3 3 0
As % of all contract IT jobs advertised in Sheffield 0.81% 0.69% -
As % of the Libraries, Frameworks & Software Standards category 2.14% 2.73% -
Number of daily rates quoted 1 1 0
Median daily rate £425 £350 -
Median daily rate % change year-on-year +21.42% -  
UK excluding London median daily rate £413 £375 £350
% change year-on-year +10.00% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £36.50 £55.00 £37.50
% change year-on-year -33.63% +46.66%  

JSON is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Sheffield with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Sheffield
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 140 110 52
As % of all contract IT job vacancies advertised in Sheffield 37.63% 25.46% 20.00%
Number of daily rates quoted 83 83 33
Median daily rate £400 £350 £325
Median daily rate % change year-on-year +14.28% +7.69%  
90% offered a daily rate of more than £335 £238 £248
10% offered a daily rate of more than £525 £478 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 0 1
Median hourly rate - - £40.00
UK excluding London median hourly rate £40.50 £38.00 £36.00
% change year-on-year +6.57% +5.55%  

JSON
Job Vacancy Trend in Sheffield

The job posting trend of jobs advertised in Sheffield citing JSON as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for JSON in Sheffield

JSON
Contractor Daily Rate Trend in Sheffield

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

Contractor daily rate trend for JSON in Sheffield

JSON
Top 30 Co-occurring IT Skills in Sheffield

For the 6 months to 27 March 2017, IT contractor jobs citing JSON 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 JSON.

1 7 (87.50%) Agile Software Development
2 5 (62.50%) HTML
2 5 (62.50%) Java
2 5 (62.50%) JavaScript
2 5 (62.50%) CSS
2 5 (62.50%) HTML5
2 5 (62.50%) Node.js
2 5 (62.50%) CSS3
3 4 (50.00%) REST
3 4 (50.00%) Git (software)
3 4 (50.00%) AngularJS
3 4 (50.00%) Linux
3 4 (50.00%) SOAP
3 4 (50.00%) Web Development
3 4 (50.00%) Maven
3 4 (50.00%) jQuery
4 3 (37.50%) TDD
4 3 (37.50%) Ajax
4 3 (37.50%) Web Design
4 3 (37.50%) Web Services
4 3 (37.50%) DOM
4 3 (37.50%) Unix
4 3 (37.50%) Adobe
4 3 (37.50%) Gradle
4 3 (37.50%) Spock
4 3 (37.50%) Front End Development
4 3 (37.50%) Ensighten
4 3 (37.50%) Sass
4 3 (37.50%) Mockito
4 3 (37.50%) RESTful

JSON
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 (12.50%) Cloud Foundry
1 1 (12.50%) Oracle SOA Suite
1 1 (12.50%) Tomcat
Applications
1 1 (12.50%) MS PowerPoint
1 1 (12.50%) MS Visio
Cloud Services
1 1 (12.50%) Amazon AWS
1 1 (12.50%) GitHub
1 1 (12.50%) Google Cloud Platform
1 1 (12.50%) Microsoft Azure
Communications & Networking
1 1 (12.50%) HTTP
Database & Business Intelligence
1 3 (37.50%) MongoDB
2 2 (25.00%) NoSQL
2 2 (25.00%) Redis
3 1 (12.50%) CouchDB
3 1 (12.50%) MySQL
3 1 (12.50%) Relational Database
3 1 (12.50%) SQL Server
Development Applications
1 4 (50.00%) Git (software)
1 4 (50.00%) Maven
2 3 (37.50%) Gradle
2 3 (37.50%) Mockito
2 3 (37.50%) Spock
3 2 (25.00%) Ant
3 2 (25.00%) EasyMock
3 2 (25.00%) jMock
3 2 (25.00%) Selenium
3 2 (25.00%) Subversion
4 1 (12.50%) Cucumber
4 1 (12.50%) Eclipse
4 1 (12.50%) IntelliJ
4 1 (12.50%) Jenkins
4 1 (12.50%) JIRA
4 1 (12.50%) JUnit
4 1 (12.50%) TeamCity
4 1 (12.50%) VSS/SourceSafe
General
1 2 (25.00%) Banking
2 1 (12.50%) Finance
Job Titles
1 5 (62.50%) Developer
2 3 (37.50%) Angular Developer
2 3 (37.50%) Front End Developer (Client-Side Developer)
2 3 (37.50%) JavaScript Developer
2 3 (37.50%) Node.js Developer
3 1 (12.50%) Architect
3 1 (12.50%) DevOps Engineer
3 1 (12.50%) Java Developer
3 1 (12.50%) Senior Developer
3 1 (12.50%) Senior Web Developer
3 1 (12.50%) Solutions Architect
3 1 (12.50%) Technical Architect
3 1 (12.50%) Technical Solutions Architect
3 1 (12.50%) Test Automation Engineer
3 1 (12.50%) Test Engineer
3 1 (12.50%) Web Developer
Libraries, Frameworks & Software Standards
1 5 (62.50%) CSS
1 5 (62.50%) CSS3
1 5 (62.50%) HTML
1 5 (62.50%) HTML5
1 5 (62.50%) Node.js
2 4 (50.00%) AngularJS
2 4 (50.00%) jQuery
2 4 (50.00%) REST
2 4 (50.00%) SOAP
3 3 (37.50%) Ajax
3 3 (37.50%) DOM
3 3 (37.50%) RESTful
3 3 (37.50%) Sass
3 3 (37.50%) Web Services
4 2 (25.00%) Spring
4 2 (25.00%) Velocity
4 2 (25.00%) XML
4 2 (25.00%) XSD
5 1 (12.50%) Dojo
5 1 (12.50%) Spring MVC
Miscellaneous
1 1 (12.50%) Data Centre
1 1 (12.50%) Data Structures
1 1 (12.50%) Foreign Exchange (FX)
1 1 (12.50%) Linux Command Line
1 1 (12.50%) Mobile App
1 1 (12.50%) User Experience
Operating Systems
1 4 (50.00%) Linux
2 3 (37.50%) Unix
Processes & Methodologies
1 7 (87.50%) Agile Software Development
2 4 (50.00%) Web Development
3 3 (37.50%) BDD
3 3 (37.50%) Front End Development
3 3 (37.50%) Progressive Enhancement
3 3 (37.50%) Responsive Web Design
3 3 (37.50%) TDD
3 3 (37.50%) Web Design
4 2 (25.00%) Continuous Integration
4 2 (25.00%) DevOps
4 2 (25.00%) MVC
4 2 (25.00%) Scrum
5 1 (12.50%) Investment Management
5 1 (12.50%) Load Balancing
5 1 (12.50%) OO
5 1 (12.50%) OOP
5 1 (12.50%) Process Management
5 1 (12.50%) Refactoring
5 1 (12.50%) Regression Testing
5 1 (12.50%) SOA
Programming Languages
1 5 (62.50%) Java
1 5 (62.50%) JavaScript
2 2 (25.00%) Clojure
2 2 (25.00%) Groovy
2 2 (25.00%) Scala
3 1 (12.50%) C#
3 1 (12.50%) ECMAScript
3 1 (12.50%) ES6
3 1 (12.50%) Jython
3 1 (12.50%) Korn
3 1 (12.50%) Python
3 1 (12.50%) Ruby
3 1 (12.50%) Shell Script
3 1 (12.50%) SQL
3 1 (12.50%) XPath
Qualifications
1 1 (12.50%) Degree
1 1 (12.50%) SC Cleared
1 1 (12.50%) Security Cleared
Quality Assurance & Compliance
1 1 (12.50%) FATCA
System Software
1 2 (25.00%) Docker
Systems Management
1 1 (12.50%) Kubernetes
Vendors
1 3 (37.50%) Adobe
1 3 (37.50%) Ensighten
2 1 (12.50%) Google
2 1 (12.50%) IBM
2 1 (12.50%) MuleSoft
2 1 (12.50%) Oracle
2 1 (12.50%) Solace
2 1 (12.50%) TIBCO