Period
to 25 May 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 25 May 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
25 May 2018
Same period 2017 Same period 2016
Rank 120 77 85
Rank change year-on-year -43 +8 +9
Contract jobs citing JSON 33 57 62
As % of all contract IT jobs advertised in Leeds 1.29% 2.70% 2.14%
As % of the Libraries, Frameworks & Software Standards category 3.19% 6.59% 5.71%
Number of daily rates quoted 20 31 49
Leeds median daily rate £425 £475 £420
Median daily rate % change year-on-year -10.53% +13.10% +29.23%
10th Percentile £347 £363 £312
90th Percentile £544 £688 £663
West Yorkshire median daily rate £425 £513 £413
% change year-on-year -17.07% +24.24% +26.92%
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 1,036 865 1,086
As % of all contract IT jobs advertised in Leeds 40.52% 40.94% 37.41%
Number of daily rates quoted 743 625 797
Leeds median daily rate £400 £400 £400
10th Percentile £301 £308 £300
90th Percentile £525 £538 £538
West Yorkshire median daily rate £400 £400 £400
Number of hourly rates quoted 1 3 7
Leeds median hourly rate £42.00 £22.50 £10.20
Median hourly rate % change year-on-year +86.67% +120.59% -61.87%
10th Percentile £41.00 £18.75 £9.72
90th Percentile £43.00 £26.25 £13.12
West Yorkshire median hourly rate £42.00 £22.50 £10.20
% change year-on-year +86.67% +120.59% -72.80%

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 25 May 2018.

Contractor daily rate histogram for JSON in Leeds

For the 6 months to 25 May 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 21 (63.64%) Agile Software Development
2 19 (57.58%) XML
3 17 (51.52%) JavaScript
4 16 (48.48%) Java
5 12 (36.36%) SOAP
5 12 (36.36%) REST
6 11 (33.33%) Oracle
6 11 (33.33%) Git (software)
7 10 (30.30%) HTML
7 10 (30.30%) Linux
8 9 (27.27%) SQL Server
8 9 (27.27%) CSS
9 8 (24.24%) Finance
9 8 (24.24%) AngularJS
10 7 (21.21%) GitHub
10 7 (21.21%) OO
10 7 (21.21%) Web Services
10 7 (21.21%) TDD
10 7 (21.21%) Scrum
11 6 (18.18%) Spring
11 6 (18.18%) Maven
11 6 (18.18%) Test Automation
11 6 (18.18%) Android
11 6 (18.18%) Unit Testing
11 6 (18.18%) C#
11 6 (18.18%) .NET
11 6 (18.18%) MVC
11 6 (18.18%) Relational Database
11 6 (18.18%) DevOps
11 6 (18.18%) Microservices

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 (9.09%) Confluence
1 3 (9.09%) WebSphere
2 2 (6.06%) Cloud Foundry
2 2 (6.06%) SharePoint
3 1 (3.03%) Apache
3 1 (3.03%) Elasticsearch
3 1 (3.03%) Oracle SOA Suite
Business Applications
1 1 (3.03%) Maximo
Cloud Services
1 7 (21.21%) GitHub
2 5 (15.15%) Amazon AWS
3 4 (12.12%) Microsoft Azure
4 3 (9.09%) Force.com
4 3 (9.09%) Salesforce Service Cloud
5 2 (6.06%) CloudBees
5 2 (6.06%) IaaS
5 2 (6.06%) OpenShift
5 2 (6.06%) PaaS
6 1 (3.03%) Google Cloud Platform
Database & Business Intelligence
1 9 (27.27%) SQL Server
2 6 (18.18%) Relational Database
3 5 (15.15%) MongoDB
3 5 (15.15%) MySQL
4 4 (12.12%) NoSQL
5 3 (9.09%) PostgreSQL
5 3 (9.09%) SQL Server 2014
6 2 (6.06%) Oracle Database
6 2 (6.06%) RDBMS
6 2 (6.06%) SQL Server 2008
6 2 (6.06%) SQL Server 2012
7 1 (3.03%) Apache Hive
7 1 (3.03%) Big Data
7 1 (3.03%) BigQuery
7 1 (3.03%) Bigtable
7 1 (3.03%) DB2
7 1 (3.03%) SQL Server 2016
7 1 (3.03%) SQL Server Integration Services
Development Applications
1 11 (33.33%) Git (software)
2 6 (18.18%) Maven
3 5 (15.15%) Jenkins
3 5 (15.15%) SonarQube
4 4 (12.12%) IntelliJ
4 4 (12.12%) JIRA
5 3 (9.09%) Eclipse
5 3 (9.09%) Oracle APEX
5 3 (9.09%) Subversion
6 2 (6.06%) Android Studio
6 2 (6.06%) Artifactory
6 2 (6.06%) git-flow
6 2 (6.06%) Gradle
6 2 (6.06%) JUnit
6 2 (6.06%) Karma Test Runner
6 2 (6.06%) Mockito
6 2 (6.06%) Octopus Deploy
6 2 (6.06%) Selenium
6 2 (6.06%) TeamCity
6 2 (6.06%) webpack
General
1 8 (24.24%) Finance
2 4 (12.12%) Banking
3 3 (9.09%) Marketing
4 2 (6.06%) Retail Banking
5 1 (3.03%) Games
Job Titles
1 23 (69.70%) Developer
2 6 (18.18%) Java Developer
3 4 (12.12%) Android Developer
4 3 (9.09%) Consultant
4 3 (9.09%) Salesforce Developer
4 3 (9.09%) Senior Developer
4 3 (9.09%) Solutions Consultant
5 2 (6.06%) .NET Developer
5 2 (6.06%) Architect
5 2 (6.06%) Full Stack Developer
5 2 (6.06%) React Developer
5 2 (6.06%) Scala Developer
5 2 (6.06%) Senior .NET Developer
5 2 (6.06%) Software Engineer
5 2 (6.06%) Solutions Architect
6 1 (3.03%) Android Engineer
6 1 (3.03%) Developer/Software Engineer
6 1 (3.03%) iOS Android Developer
6 1 (3.03%) Java Scala Developer
6 1 (3.03%) MongoDB Developer
Libraries, Frameworks & Software Standards
1 19 (57.58%) XML
2 12 (36.36%) REST
2 12 (36.36%) SOAP
3 10 (30.30%) HTML
4 9 (27.27%) CSS
5 8 (24.24%) AngularJS
6 7 (21.21%) Web Services
7 6 (18.18%) .NET
7 6 (18.18%) Spring
8 5 (15.15%) RabbitMQ
9 4 (12.12%) jQuery
9 4 (12.12%) Kafka
9 4 (12.12%) Node.js
9 4 (12.12%) React
9 4 (12.12%) RESTful
10 3 (9.09%) ActiveMQ
10 3 (9.09%) J2EE
10 3 (9.09%) Spring Boot
10 3 (9.09%) Visualforce
11 2 (6.06%) ASP.NET Web API
Miscellaneous
1 4 (12.12%) Mobile App
2 3 (9.09%) Analytical Skills
2 3 (9.09%) Linux Command Line
3 2 (6.06%) Enterprise Software
3 2 (6.06%) Greenfield Project
3 2 (6.06%) N-Tier
3 2 (6.06%) User Experience
Operating Systems
1 10 (30.30%) Linux
2 6 (18.18%) Android
3 5 (15.15%) Unix
4 2 (6.06%) Apple iOS
4 2 (6.06%) Windows
5 1 (3.03%) AIX
5 1 (3.03%) Red Hat Enterprise Linux
5 1 (3.03%) Ubuntu
Processes & Methodologies
1 21 (63.64%) Agile Software Development
2 7 (21.21%) OO
2 7 (21.21%) Scrum
2 7 (21.21%) TDD
3 6 (18.18%) DevOps
3 6 (18.18%) Microservices
3 6 (18.18%) MVC
3 6 (18.18%) Test Automation
3 6 (18.18%) Unit Testing
4 5 (15.15%) Android Development
4 5 (15.15%) BDD
4 5 (15.15%) Software Engineering
4 5 (15.15%) Web Development
5 4 (12.12%) Open Source
6 3 (9.09%) Continuous Delivery
6 3 (9.09%) High Availability
6 3 (9.09%) Mobile Development
6 3 (9.09%) Software Delivery
6 3 (9.09%) Test Strategy
6 3 (9.09%) Waterfall
Programming Languages
1 17 (51.52%) JavaScript
2 16 (48.48%) Java
3 6 (18.18%) C#
4 4 (12.12%) Shell Script
5 3 (9.09%) Apex Code
5 3 (9.09%) SOQL
6 2 (6.06%) ES6
6 2 (6.06%) Python
6 2 (6.06%) Scala
6 2 (6.06%) SQL
7 1 (3.03%) Apple Swift
7 1 (3.03%) C
7 1 (3.03%) Java 8
7 1 (3.03%) Kotlin
7 1 (3.03%) PL/SQL
7 1 (3.03%) XPath
Qualifications
1 3 (9.09%) Degree
2 2 (6.06%) TOGAF Certification
3 1 (3.03%) BC Cleared
3 1 (3.03%) DBS Check
3 1 (3.03%) Security Cleared
Quality Assurance & Compliance
1 2 (6.06%) QA
2 1 (3.03%) GCP
System Software
1 4 (12.12%) Docker
Systems Management
1 3 (9.09%) Puppet
2 2 (6.06%) Grafana
2 2 (6.06%) Graylog
2 2 (6.06%) Terraform
3 1 (3.03%) Kubernetes
3 1 (3.03%) Opscode Chef
Vendors
1 11 (33.33%) Oracle
2 4 (12.12%) Microsoft
3 3 (9.09%) Salesforce.com
4 2 (6.06%) MuleSoft
4 2 (6.06%) Perforce
4 2 (6.06%) Xamarin
5 1 (3.03%) Google
5 1 (3.03%) Splunk