Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in Leeds 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
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 88 53 111
Rank change year-on-year -35 +58 -6
Contract jobs citing JSON 50 104 50
As % of all contract IT jobs advertised in Leeds 2.21% 4.00% 1.55%
As % of the Libraries, Frameworks & Software Standards category 6.21% 10.40% 4.60%
Number of daily rates quoted 44 63 47
Leeds median daily rate £450 £450 £335
Median daily rate % change year-on-year - +34.33% -35.42%
10th Percentile £326 £325 £275
90th Percentile £530 £538 £470
West Yorkshire median daily rate £450 £430 £335
% change year-on-year +4.65% +28.36% -6.94%
Number of hourly rates quoted 0 0 0
Leeds median hourly rate - - -
West Yorkshire median hourly rate - - -

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 Leeds with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Leeds
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 805 1000 1087
As % of all contract IT jobs advertised in Leeds 35.57% 38.48% 33.59%
Number of daily rates quoted 633 719 760
Leeds median daily rate £400 £413 £375
Median daily rate % change year-on-year -3.03% +10.00% +15.38%
10th Percentile £300 £300 £281
90th Percentile £513 £538 £525
West Yorkshire median daily rate £400 £400 £375
% change year-on-year - +6.67% +10.29%
Number of hourly rates quoted 0 3 11
Leeds median hourly rate - £13.50 £25.00
Median hourly rate % change year-on-year - -46.00% -50.00%
West Yorkshire median hourly rate - £13.50 £37.04
% change year-on-year - -63.55% +12.24%

JSON
Job Vacancy Trend in Leeds

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

Job vacancy trend for JSON in Leeds

JSON
Contractor Daily Rate Trend in Leeds

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

Contractor daily rate trend for JSON in Leeds

JSON
Contractor Daily Rate Histogram in Leeds

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

Contractor daily rate histogram for JSON in Leeds

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 Leeds region with a requirement for JSON.

1 34 (68.00%) Java
2 33 (66.00%) Agile Software Development
3 25 (50.00%) Git (software)
4 24 (48.00%) CSS
4 24 (48.00%) Linux
5 22 (44.00%) Scala
6 21 (42.00%) JavaScript
7 19 (38.00%) HTML
7 19 (38.00%) Open Source
8 18 (36.00%) Puppet
8 18 (36.00%) Play Framework
8 18 (36.00%) Docker
8 18 (36.00%) Microservices
9 17 (34.00%) MongoDB
10 16 (32.00%) Spring
11 15 (30.00%) XML
11 15 (30.00%) REST
11 15 (30.00%) RESTful
12 14 (28.00%) HTML5
13 13 (26.00%) Ajax
14 12 (24.00%) Software Engineering
14 12 (24.00%) Scrum
14 12 (24.00%) Python
14 12 (24.00%) CSS3
15 11 (22.00%) JIRA
15 11 (22.00%) IntelliJ
16 10 (20.00%) SQL
16 10 (20.00%) MVC
16 10 (20.00%) Test Automation
16 10 (20.00%) Jenkins

JSON
Co-occurring IT Skills in Leeds 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 9 (18.00%) Confluence
2 3 (6.00%) Apache
2 3 (6.00%) SAS
3 1 (2.00%) Cloud Foundry
3 1 (2.00%) Jupyter
3 1 (2.00%) Tomcat
Cloud Services
1 2 (4.00%) Amazon AWS
1 2 (4.00%) Heroku
1 2 (4.00%) IaaS
1 2 (4.00%) Microsoft Azure
1 2 (4.00%) PaaS
2 1 (2.00%) Azure Active Directory
2 1 (2.00%) CloudBees
2 1 (2.00%) GitHub
2 1 (2.00%) OpenShift
2 1 (2.00%) SaaS
2 1 (2.00%) Slack
Communications & Networking
1 5 (10.00%) HTTP
Database & Business Intelligence
1 17 (34.00%) MongoDB
2 9 (18.00%) MySQL
3 8 (16.00%) Big Data
4 7 (14.00%) NoSQL
4 7 (14.00%) Relational Database
5 2 (4.00%) Apache Hive
5 2 (4.00%) RDBMS
6 1 (2.00%) PostgreSQL
6 1 (2.00%) Riak
Development Applications
1 25 (50.00%) Git (software)
2 11 (22.00%) IntelliJ
2 11 (22.00%) JIRA
3 10 (20.00%) Jenkins
4 8 (16.00%) JUnit
4 8 (16.00%) Maven
5 7 (14.00%) Subversion
6 5 (10.00%) Gradle
7 2 (4.00%) Cucumber
7 2 (4.00%) Eclipse
7 2 (4.00%) Flyway
7 2 (4.00%) Mockito
7 2 (4.00%) WebDriver
8 1 (2.00%) Artifactory
8 1 (2.00%) git-flow
8 1 (2.00%) GitLab
8 1 (2.00%) Selenium
8 1 (2.00%) SonarQube
8 1 (2.00%) Team Foundation Server
8 1 (2.00%) Vagrant
General
1 3 (6.00%) Games
1 3 (6.00%) Marketing
2 2 (4.00%) Banking
2 2 (4.00%) Finance
2 2 (4.00%) Retail Banking
Job Titles
1 39 (78.00%) Developer
2 13 (26.00%) Scala Developer
3 8 (16.00%) Front End Developer (Client-Side Developer)
3 8 (16.00%) Java Developer
4 6 (12.00%) PHP Developer
5 5 (10.00%) Architect
6 3 (6.00%) MySQL Developer
6 3 (6.00%) Node.js Developer
6 3 (6.00%) PHP MySQL Developer
6 3 (6.00%) Senior Developer
6 3 (6.00%) Software Engineer
7 2 (4.00%) Digital Architect
7 2 (4.00%) Java Architect
7 2 (4.00%) Java Engineer
7 2 (4.00%) Java Scala Developer
7 2 (4.00%) Java Software Engineer
7 2 (4.00%) Senior Java Developer
7 2 (4.00%) UI Architect
8 1 (2.00%) HTML Developer
8 1 (2.00%) Java Programmer
Libraries, Frameworks & Software Standards
1 24 (48.00%) CSS
2 19 (38.00%) HTML
3 18 (36.00%) Play Framework
4 16 (32.00%) Spring
5 15 (30.00%) REST
5 15 (30.00%) RESTful
5 15 (30.00%) XML
6 14 (28.00%) HTML5
7 13 (26.00%) Ajax
8 12 (24.00%) CSS3
9 9 (18.00%) Kafka
10 8 (16.00%) Web Services
11 7 (14.00%) Ext JS
11 7 (14.00%) Node.js
12 6 (12.00%) Django
13 5 (10.00%) Guice
13 5 (10.00%) Ruby on Rails
13 5 (10.00%) SOAP
14 4 (8.00%) Hibernate
14 4 (8.00%) Lucene
Miscellaneous
1 4 (8.00%) Enterprise Software
2 2 (4.00%) Greenfield Project
2 2 (4.00%) User Experience
3 1 (2.00%) Driving Licence
3 1 (2.00%) Mobile App
Operating Systems
1 24 (48.00%) Linux
2 4 (8.00%) Red Hat Enterprise Linux
3 1 (2.00%) Unix
Processes & Methodologies
1 33 (66.00%) Agile Software Development
2 19 (38.00%) Open Source
3 18 (36.00%) Microservices
4 12 (24.00%) Scrum
4 12 (24.00%) Software Engineering
5 10 (20.00%) MVC
5 10 (20.00%) Test Automation
6 9 (18.00%) Continuous Integration
7 8 (16.00%) Front End Development
8 7 (14.00%) DevOps
9 6 (12.00%) Validation
10 5 (10.00%) OWASP
10 5 (10.00%) Responsive Web Design
10 5 (10.00%) TDD
10 5 (10.00%) Web Design
11 4 (8.00%) Web Development
12 3 (6.00%) API Development
12 3 (6.00%) Configuration Management
12 3 (6.00%) Mentoring
12 3 (6.00%) OO
Programming Languages
1 34 (68.00%) Java
2 22 (44.00%) Scala
3 21 (42.00%) JavaScript
4 12 (24.00%) Python
5 10 (20.00%) SQL
6 6 (12.00%) PHP
6 6 (12.00%) Ruby
7 5 (10.00%) C#
8 3 (6.00%) ES6
8 3 (6.00%) Go
8 3 (6.00%) Prolog
9 1 (2.00%) PowerShell
Quality Assurance & Compliance
1 1 (2.00%) QA
System Software
1 18 (36.00%) Docker
Systems Management
1 18 (36.00%) Puppet
2 8 (16.00%) Opscode Chef
3 1 (2.00%) Grafana
3 1 (2.00%) Graylog
3 1 (2.00%) Terraform
Vendors
1 5 (10.00%) Google
2 2 (4.00%) Oracle
3 1 (2.00%) MuleSoft
3 1 (2.00%) Splunk