Period
to 17 October 2018

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 17 October 2018 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
17 Oct 2018
Same period 2017 Same period 2016
Rank 105 79 57
Rank change year-on-year -26 -22 +41
Contract jobs citing JSON 36 53 106
As % of all contract IT jobs advertised in Leeds 1.50% 2.42% 3.85%
As % of the Libraries, Frameworks & Software Standards category 3.73% 6.73% 9.53%
Number of daily rates quoted 23 40 66
Leeds median daily rate £410 £450 £434
Median daily rate % change year-on-year -8.89% +3.75% +30.45%
10th Percentile £312 £319 £325
90th Percentile £548 £491 £531
West Yorkshire median daily rate £425 £450 £413
% change year-on-year -5.56% +9.09% +23.13%
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 964 787 1,112
As % of all contract IT jobs advertised in Leeds 40.07% 35.95% 40.41%
Number of daily rates quoted 718 596 807
Leeds median daily rate £413 £400 £413
Median daily rate % change year-on-year +3.13% -3.03% +14.58%
10th Percentile £320 £305 £308
90th Percentile £543 £500 £538
West Yorkshire median daily rate £410 £400 £400
% change year-on-year +2.50% - +14.29%
Number of hourly rates quoted 4 0 4
Leeds median hourly rate £17.00 - £13.50
10th Percentile £16.48 - £12.98
90th Percentile £18.23 - £16.30
West Yorkshire median hourly rate £17.41 - £13.50

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 17 October 2018.

Contractor daily rate histogram for JSON in Leeds

For the 6 months to 17 October 2018, IT contractor jobs citing JSON also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Leeds region with a requirement for JSON.

1 25 (69.44%) JavaScript
2 24 (66.67%) REST
3 18 (50.00%) Twitter Bootstrap
4 16 (44.44%) Node.js
4 16 (44.44%) IntelliJ
5 15 (41.67%) DevOps
5 15 (41.67%) Microservices
5 15 (41.67%) AngularJS
5 15 (41.67%) React
5 15 (41.67%) npm
5 15 (41.67%) Jest
6 14 (38.89%) Redux
6 14 (38.89%) webpack
6 14 (38.89%) Babel
6 14 (38.89%) Workflow
6 14 (38.89%) DOM
7 13 (36.11%) XML
7 13 (36.11%) Benchmarking
7 13 (36.11%) Translating Business Requirements
8 12 (33.33%) User Experience
9 11 (30.56%) Apple iOS
9 11 (30.56%) HTML
9 11 (30.56%) Java
9 11 (30.56%) Agile Software Development
9 11 (30.56%) Banking
9 11 (30.56%) Android
10 10 (27.78%) SOAP
11 9 (25.00%) Linux
11 9 (25.00%) CSS
11 9 (25.00%) Finance

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 3 (8.33%) Confluence
2 2 (5.56%) Apache Spark
2 2 (5.56%) CMS
2 2 (5.56%) Elasticsearch
3 1 (2.78%) Apache
3 1 (2.78%) IIS
3 1 (2.78%) JBoss
3 1 (2.78%) WebLogic
3 1 (2.78%) WebSphere
Business Applications
1 2 (5.56%) Magento
1 2 (5.56%) OpenCart
1 2 (5.56%) Payment Gateway
Cloud Services
1 15 (41.67%) npm
2 3 (8.33%) Force.com
2 3 (8.33%) Salesforce Service Cloud
3 2 (5.56%) Sage Pay
4 1 (2.78%) GitHub
4 1 (2.78%) Microsoft Azure
4 1 (2.78%) SaaS
Communications & Networking
1 3 (8.33%) HTTP
2 1 (2.78%) SSH
2 1 (2.78%) SSL
2 1 (2.78%) TCP/IP
Database & Business Intelligence
1 8 (22.22%) MySQL
2 6 (16.67%) SQL Server
3 5 (13.89%) Relational Database
4 3 (8.33%) NoSQL
4 3 (8.33%) PostgreSQL
5 2 (5.56%) Hadoop
5 2 (5.56%) Parquet
5 2 (5.56%) RDBMS
5 2 (5.56%) SQL Server Reporting Services
6 1 (2.78%) MongoDB
6 1 (2.78%) Oracle Database
6 1 (2.78%) Power BI
6 1 (2.78%) PowerPivot
6 1 (2.78%) SQL Server Integration Services
Development Applications
1 16 (44.44%) IntelliJ
2 14 (38.89%) Babel
2 14 (38.89%) webpack
3 7 (19.44%) Git (software)
4 4 (11.11%) Eclipse
4 4 (11.11%) JIRA
5 3 (8.33%) gulp
5 3 (8.33%) Oracle APEX
5 3 (8.33%) Subversion
6 2 (5.56%) Jenkins
6 2 (5.56%) JUnit
6 2 (5.56%) Team Foundation Server
6 2 (5.56%) TeamCity
7 1 (2.78%) Bitbucket
7 1 (2.78%) Grunt
7 1 (2.78%) Maven
7 1 (2.78%) Octopus Deploy
7 1 (2.78%) Selenium
7 1 (2.78%) Xcode
7 1 (2.78%) YouTrack
General
1 11 (30.56%) Banking
2 9 (25.00%) Finance
3 3 (8.33%) Marketing
Job Titles
1 28 (77.78%) Developer
2 15 (41.67%) UI Developer
3 5 (13.89%) Java Developer
4 4 (11.11%) React Developer
5 3 (8.33%) Salesforce Developer
6 2 (5.56%) .NET Developer
6 2 (5.56%) Designer
6 2 (5.56%) Full Stack Developer
7 1 (2.78%) .NET Applications Developer
7 1 (2.78%) Analyst
7 1 (2.78%) C# Developer
7 1 (2.78%) CMS Developer
7 1 (2.78%) Front End Developer (Client-Side Developer)
7 1 (2.78%) Java Software Developer
7 1 (2.78%) Java Software Engineer
7 1 (2.78%) PHP Developer
7 1 (2.78%) PHP Web Developer
7 1 (2.78%) Security Analyst
7 1 (2.78%) Software Designer
7 1 (2.78%) Solutions Consultant
Libraries, Frameworks & Software Standards
1 24 (66.67%) REST
2 18 (50.00%) Twitter Bootstrap
3 16 (44.44%) Node.js
4 15 (41.67%) AngularJS
4 15 (41.67%) Jest
4 15 (41.67%) React
5 14 (38.89%) DOM
5 14 (38.89%) Redux
6 13 (36.11%) XML
7 11 (30.56%) HTML
8 10 (27.78%) SOAP
9 9 (25.00%) CSS
10 8 (22.22%) Web Services
11 5 (13.89%) jQuery
11 5 (13.89%) Spring
12 4 (11.11%) Ajax
13 3 (8.33%) .NET
13 3 (8.33%) HTML5
13 3 (8.33%) J2EE
13 3 (8.33%) Visualforce
Miscellaneous
1 12 (33.33%) User Experience
2 5 (13.89%) Analytical Skills
3 3 (8.33%) Linux Command Line
4 1 (2.78%) Client/Server
4 1 (2.78%) CMDB
4 1 (2.78%) Computer Science
4 1 (2.78%) Cyberthreat
4 1 (2.78%) Enterprise Software
4 1 (2.78%) Greenfield Project
4 1 (2.78%) iPhone
4 1 (2.78%) Mobile App
4 1 (2.78%) PKI
4 1 (2.78%) Self-Motivation
Operating Systems
1 11 (30.56%) Android
1 11 (30.56%) Apple iOS
2 9 (25.00%) Linux
3 8 (22.22%) Unix
4 2 (5.56%) Windows
Processes & Methodologies
1 15 (41.67%) DevOps
1 15 (41.67%) Microservices
2 14 (38.89%) Workflow
3 13 (36.11%) Benchmarking
3 13 (36.11%) Translating Business Requirements
4 11 (30.56%) Agile Software Development
5 9 (25.00%) Android Development
5 9 (25.00%) iOS Development
6 6 (16.67%) MVC
7 5 (13.89%) Problem-Solving
7 5 (13.89%) Scrum
7 5 (13.89%) Web Development
8 4 (11.11%) TDD
9 3 (8.33%) Continuous Integration
9 3 (8.33%) CRM
9 3 (8.33%) Decision-Making
9 3 (8.33%) Email Marketing
9 3 (8.33%) Front End Development
9 3 (8.33%) OO
9 3 (8.33%) OOP
Programming Languages
1 25 (69.44%) JavaScript
2 11 (30.56%) Java
3 4 (11.11%) Shell Script
3 4 (11.11%) SQL
4 3 (8.33%) Apex Code
4 3 (8.33%) PHP
4 3 (8.33%) Scala
4 3 (8.33%) SOQL
5 2 (5.56%) C#
6 1 (2.78%) ES6
6 1 (2.78%) Java 8
6 1 (2.78%) PowerShell
6 1 (2.78%) Python
6 1 (2.78%) VB
6 1 (2.78%) XPath
Qualifications
1 4 (11.11%) Degree
1 4 (11.11%) Security Cleared
2 3 (8.33%) SC Cleared
3 2 (5.56%) Sun Certification
4 1 (2.78%) Computer Science Degree
System Software
1 3 (8.33%) Docker
2 2 (5.56%) HDFS
Systems Management
1 2 (5.56%) Puppet
2 1 (2.78%) Grafana
2 1 (2.78%) Kibana
2 1 (2.78%) Opscode Chef
2 1 (2.78%) SCOM
2 1 (2.78%) SCOrch
2 1 (2.78%) Terraform
2 1 (2.78%) WMI
Vendors
1 7 (19.44%) Oracle
2 4 (11.11%) Salesforce.com
3 2 (5.56%) Intel
3 2 (5.56%) Microsoft
3 2 (5.56%) Sun
4 1 (2.78%) HP
4 1 (2.78%) PayPal
4 1 (2.78%) Perforce
4 1 (2.78%) Sage
4 1 (2.78%) SolarWinds
4 1 (2.78%) Splunk
4 1 (2.78%) Telerik
4 1 (2.78%) webMethods
4 1 (2.78%) WorldPay