Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in West Yorkshire with a requirement for JSON skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSON over the 6 months to 21 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.

JSON
Yorkshire > West Yorkshire
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 86 59 127
Rank change year-on-year -27 +68 -27
Contract jobs citing JSON 70 127 51
As % of all contract IT jobs advertised in West Yorkshire 2.29% 3.55% 1.16%
As % of the Libraries, Frameworks & Software Standards category 7.30% 10.26% 3.73%
Number of daily rates quoted 53 78 48
West Yorkshire median daily rate £450 £430 £335
Median daily rate % change year-on-year +4.65% +28.36% -6.94%
10th Percentile £348 £309 £275
90th Percentile £531 £529 £490
Yorkshire median daily rate £450 £425 £335
% change year-on-year +5.88% +26.87% -0.74%
Number of hourly rates quoted 0 0 0
West Yorkshire median hourly rate - - -
Yorkshire median hourly rate - £42.50 -

JSON is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in West Yorkshire with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
West Yorkshire
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 959 1238 1366
As % of all contract IT jobs advertised in West Yorkshire 31.39% 34.64% 30.98%
Number of daily rates quoted 725 889 906
West Yorkshire median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% +10.29%
10th Percentile £300 £284 £275
90th Percentile £513 £526 £525
Yorkshire median daily rate £400 £400 £375
% change year-on-year - +6.67% +15.38%
Number of hourly rates quoted 0 3 17
West Yorkshire median hourly rate - £13.50 £37.04
Median hourly rate % change year-on-year - -63.55% +12.24%
Yorkshire median hourly rate £35.00 £14.69 £25.00
% change year-on-year +138.30% -41.25% -16.67%

JSON
Job Vacancy Trend in West Yorkshire

Job postings citing JSON as a percentage of all IT jobs advertised in West Yorkshire.

Job vacancy trend for JSON in West Yorkshire

JSON
Contractor Daily Rate Trend in West Yorkshire

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

Contractor daily rate trend for JSON in West Yorkshire

JSON
Contractor Daily Rate Histogram in West Yorkshire

The daily rate distribution of IT jobs citing JSON in West Yorkshire over the 6 months to 21 November 2017.

Contractor daily rate histogram for JSON in West Yorkshire

JSON
Contract Job Locations in West Yorkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the West Yorkshire region over the 6 months to 21 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Leeds -35 50 £450 - 9
Bradford +22 4 £450 +12.36%
JSON
Yorkshire

For the 6 months to 21 November 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 West Yorkshire region with a requirement for JSON.

1 49 (70.00%) Agile Software Development
2 43 (61.43%) Java
3 40 (57.14%) Git (software)
4 37 (52.86%) Scala
4 37 (52.86%) CSS
5 36 (51.43%) Linux
6 33 (47.14%) RESTful
7 32 (45.71%) HTML
8 31 (44.29%) Open Source
8 31 (44.29%) Play Framework
9 30 (42.86%) REST
9 30 (42.86%) Spring
10 27 (38.57%) HTML5
10 27 (38.57%) Scrum
11 26 (37.14%) Ajax
12 25 (35.71%) CSS3
12 25 (35.71%) Test Automation
13 24 (34.29%) JIRA
13 24 (34.29%) JavaScript
13 24 (34.29%) Jenkins
14 23 (32.86%) Continuous Integration
15 22 (31.43%) Confluence
15 22 (31.43%) JUnit
16 20 (28.57%) Microservices
17 19 (27.14%) Relational Database
17 19 (27.14%) Docker
17 19 (27.14%) Python
17 19 (27.14%) Subversion
17 19 (27.14%) MVC
17 19 (27.14%) Puppet

JSON
Co-occurring IT Skills in West Yorkshire 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 22 (31.43%) Confluence
2 3 (4.29%) Apache
2 3 (4.29%) SAS
3 1 (1.43%) Cloud Foundry
3 1 (1.43%) Jupyter
3 1 (1.43%) Tomcat
Cloud Services
1 2 (2.86%) Amazon AWS
1 2 (2.86%) Heroku
1 2 (2.86%) IaaS
1 2 (2.86%) Microsoft Azure
1 2 (2.86%) npm
1 2 (2.86%) PaaS
2 1 (1.43%) Azure Active Directory
2 1 (1.43%) CloudBees
2 1 (1.43%) GitHub
2 1 (1.43%) OpenShift
2 1 (1.43%) SaaS
2 1 (1.43%) Slack
Communications & Networking
1 17 (24.29%) HTTP
Database & Business Intelligence
1 19 (27.14%) Relational Database
2 18 (25.71%) MongoDB
3 10 (14.29%) MySQL
4 8 (11.43%) Big Data
4 8 (11.43%) NoSQL
5 3 (4.29%) RDBMS
6 2 (2.86%) Apache Hive
7 1 (1.43%) PostgreSQL
7 1 (1.43%) Riak
Development Applications
1 40 (57.14%) Git (software)
2 24 (34.29%) Jenkins
2 24 (34.29%) JIRA
3 22 (31.43%) JUnit
4 19 (27.14%) Subversion
5 12 (17.14%) IntelliJ
6 9 (12.86%) Maven
7 5 (7.14%) Gradle
8 3 (4.29%) Cucumber
8 3 (4.29%) Eclipse
8 3 (4.29%) Flyway
8 3 (4.29%) Mockito
9 2 (2.86%) Babel
9 2 (2.86%) GitLab
9 2 (2.86%) Selenium
9 2 (2.86%) WebDriver
9 2 (2.86%) webpack
10 1 (1.43%) Gatling
10 1 (1.43%) git-flow
10 1 (1.43%) Sonatype Nexus
General
1 3 (4.29%) Games
1 3 (4.29%) Marketing
2 2 (2.86%) Banking
2 2 (2.86%) Finance
2 2 (2.86%) Retail Banking
3 1 (1.43%) Retail
Job Titles
1 56 (80.00%) Developer
2 26 (37.14%) Scala Developer
3 13 (18.57%) Java Developer
4 8 (11.43%) Front End Developer (Client-Side Developer)
5 6 (8.57%) Java Scala Developer
5 6 (8.57%) PHP Developer
6 5 (7.14%) Architect
7 3 (4.29%) JavaScript Developer
7 3 (4.29%) MySQL Developer
7 3 (4.29%) Node.js Developer
7 3 (4.29%) PHP MySQL Developer
7 3 (4.29%) Senior Developer
7 3 (4.29%) Software Engineer
8 2 (2.86%) Analyst
8 2 (2.86%) Digital Architect
8 2 (2.86%) Java Architect
8 2 (2.86%) Java Engineer
8 2 (2.86%) Java Software Engineer
8 2 (2.86%) Senior Java Developer
8 2 (2.86%) UI Architect
Libraries, Frameworks & Software Standards
1 37 (52.86%) CSS
2 33 (47.14%) RESTful
3 32 (45.71%) HTML
4 31 (44.29%) Play Framework
5 30 (42.86%) REST
5 30 (42.86%) Spring
6 27 (38.57%) HTML5
7 26 (37.14%) Ajax
8 25 (35.71%) CSS3
9 18 (25.71%) Django
9 18 (25.71%) Ruby on Rails
10 17 (24.29%) Guice
11 16 (22.86%) XML
12 11 (15.71%) Spring MVC
12 11 (15.71%) Web Services
13 10 (14.29%) Kafka
14 7 (10.00%) Ext JS
14 7 (10.00%) Node.js
14 7 (10.00%) React
15 6 (8.57%) SOAP
Miscellaneous
1 4 (5.71%) Enterprise Software
2 3 (4.29%) Data Structures
3 2 (2.86%) Greenfield Project
3 2 (2.86%) User Experience
4 1 (1.43%) Data Centre
4 1 (1.43%) Driving Licence
4 1 (1.43%) Mobile App
Operating Systems
1 36 (51.43%) Linux
2 4 (5.71%) Red Hat Enterprise Linux
3 1 (1.43%) Unix
Processes & Methodologies
1 49 (70.00%) Agile Software Development
2 31 (44.29%) Open Source
3 27 (38.57%) Scrum
4 25 (35.71%) Test Automation
5 23 (32.86%) Continuous Integration
6 20 (28.57%) Microservices
7 19 (27.14%) MVC
8 17 (24.29%) OWASP
9 16 (22.86%) Configuration Management
9 16 (22.86%) Responsive Web Design
9 16 (22.86%) Web Design
10 12 (17.14%) Software Engineering
11 10 (14.29%) Front End Development
12 9 (12.86%) Web Development
13 8 (11.43%) API Development
13 8 (11.43%) DevOps
13 8 (11.43%) Service Design
14 7 (10.00%) TDD
15 6 (8.57%) Validation
16 5 (7.14%) Collaborative Working
Programming Languages
1 43 (61.43%) Java
2 37 (52.86%) Scala
3 24 (34.29%) JavaScript
4 19 (27.14%) Python
4 19 (27.14%) Ruby
5 12 (17.14%) C#
5 12 (17.14%) SQL
6 6 (8.57%) PHP
7 3 (4.29%) ECMAScript
7 3 (4.29%) ES6
7 3 (4.29%) Go
7 3 (4.29%) Prolog
8 1 (1.43%) PowerShell
Qualifications
1 1 (1.43%) BPSS Clearance
1 1 (1.43%) Security Cleared
Quality Assurance & Compliance
1 2 (2.86%) Disclosure Scotland
2 1 (1.43%) QA
System Software
1 19 (27.14%) Docker
Systems Management
1 19 (27.14%) Puppet
2 8 (11.43%) Opscode Chef
3 1 (1.43%) Grafana
3 1 (1.43%) Graylog
3 1 (1.43%) Packer
3 1 (1.43%) Terraform
Vendors
1 17 (24.29%) Google
2 3 (4.29%) Oracle
3 1 (1.43%) MuleSoft
3 1 (1.43%) Splunk
3 1 (1.43%) VMware