Period
to 16 January 2019

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 16 January 2019 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
16 Jan 2019
Same period 2018 Same period 2017
Rank 105 99 47
Rank change year-on-year -6 -52 +61
Contract jobs citing JSON 32 36 108
As % of all contract IT jobs advertised in Leeds 1.36% 1.64% 4.50%
As % of the Libraries, Frameworks & Software Standards category 3.88% 4.76% 12.12%
Number of daily rates quoted 24 33 68
Leeds median daily rate £400 £450 £450
Median daily rate % change year-on-year -11.11% - +4.65%
10th Percentile £274 £319 £325
90th Percentile £535 £548 £632
West Yorkshire median daily rate £400 £450 £450
% change year-on-year -11.11% - +2.27%
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 824 757 891
As % of all contract IT jobs advertised in Leeds 34.93% 34.39% 37.14%
Number of daily rates quoted 621 590 614
Leeds median daily rate £413 £400 £413
Median daily rate % change year-on-year +3.13% -3.09% +6.52%
10th Percentile £313 £290 £294
90th Percentile £550 £525 £539
West Yorkshire median daily rate £410 £400 £400
% change year-on-year +2.50% - +6.67%
Number of hourly rates quoted 4 0 6
Leeds median hourly rate £16.93 - £18.00
10th Percentile £16.04 - £13.13
90th Percentile £17.69 - £26.25
West Yorkshire median hourly rate £17.00 - £18.00

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 16 January 2019.

Contractor daily rate histogram for JSON in Leeds

For the 6 months to 16 January 2019, 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 (78.13%) JavaScript
2 20 (62.50%) REST
3 19 (59.38%) Twitter Bootstrap
4 15 (46.88%) React
4 15 (46.88%) npm
4 15 (46.88%) Node.js
4 15 (46.88%) IntelliJ
5 14 (43.75%) Workflow
5 14 (43.75%) XML
5 14 (43.75%) DOM
5 14 (43.75%) Jest
5 14 (43.75%) Redux
5 14 (43.75%) Babel
5 14 (43.75%) webpack
5 14 (43.75%) DevOps
5 14 (43.75%) Microservices
6 13 (40.63%) Translating Business Requirements
6 13 (40.63%) Benchmarking
7 12 (37.50%) Banking
7 12 (37.50%) AngularJS
7 12 (37.50%) User Experience
8 11 (34.38%) Apple iOS
8 11 (34.38%) Android
9 9 (28.13%) Android Development
9 9 (28.13%) iOS Development
10 8 (25.00%) Web Services
10 8 (25.00%) HTML
11 7 (21.88%) SQL
11 7 (21.88%) jQuery
12 6 (18.75%) Agile Software Development

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 (9.38%) Apache
1 3 (9.38%) Apache Spark
2 2 (6.25%) CMS
2 2 (6.25%) Confluence
2 2 (6.25%) IIS
2 2 (6.25%) Oracle SOA Suite
3 1 (3.13%) Elasticsearch
3 1 (3.13%) JBoss
3 1 (3.13%) SAS
3 1 (3.13%) WebLogic
Business Applications
1 2 (6.25%) Magento
1 2 (6.25%) OpenCart
1 2 (6.25%) Payment Gateway
2 1 (3.13%) Workday HCM
Cloud Services
1 15 (46.88%) npm
2 3 (9.38%) Sage Pay
3 2 (6.25%) Amazon AWS
3 2 (6.25%) SaaS
4 1 (3.13%) Microsoft Azure
Communications & Networking
1 2 (6.25%) HTTP
2 1 (3.13%) SSL
2 1 (3.13%) TCP/IP
Database & Business Intelligence
1 5 (15.63%) MySQL
1 5 (15.63%) SQL Server
2 4 (12.50%) SQL Server Integration Services
3 3 (9.38%) Big Data
3 3 (9.38%) MongoDB
3 3 (9.38%) NoSQL
3 3 (9.38%) Relational Database
3 3 (9.38%) SQL Server Reporting Services
4 2 (6.25%) DB2
5 1 (3.13%) Hadoop
5 1 (3.13%) Parquet
5 1 (3.13%) Power BI
5 1 (3.13%) PowerPivot
5 1 (3.13%) RDBMS
Development Applications
1 15 (46.88%) IntelliJ
2 14 (43.75%) Babel
2 14 (43.75%) webpack
3 3 (9.38%) Git (software)
3 3 (9.38%) gulp
3 3 (9.38%) Team Foundation Server
4 2 (6.25%) JIRA
4 2 (6.25%) TeamCity
5 1 (3.13%) Eclipse
5 1 (3.13%) Grunt
5 1 (3.13%) JUnit
5 1 (3.13%) Octopus Deploy
5 1 (3.13%) Selenium
5 1 (3.13%) SonarQube
5 1 (3.13%) Xcode
5 1 (3.13%) YouTrack
General
1 12 (37.50%) Banking
2 6 (18.75%) Finance
Job Titles
1 25 (78.13%) Developer
2 14 (43.75%) UI Developer
3 4 (12.50%) Architect
3 4 (12.50%) React Developer
4 3 (9.38%) .NET Developer
4 3 (9.38%) Technical Architect
5 2 (6.25%) .NET Applications Developer
5 2 (6.25%) Applications Developer
5 2 (6.25%) Designer
5 2 (6.25%) PHP Developer
6 1 (3.13%) C# Developer
6 1 (3.13%) CMS Developer
6 1 (3.13%) Front End Developer (Client-Side Developer)
6 1 (3.13%) Java Developer
6 1 (3.13%) Senior Architect
6 1 (3.13%) Software Architect
6 1 (3.13%) Software Designer
6 1 (3.13%) Solutions Architect
6 1 (3.13%) Solutions Designer
6 1 (3.13%) Web Developer
Libraries, Frameworks & Software Standards
1 20 (62.50%) REST
2 19 (59.38%) Twitter Bootstrap
3 15 (46.88%) Node.js
3 15 (46.88%) React
4 14 (43.75%) DOM
4 14 (43.75%) Jest
4 14 (43.75%) Redux
4 14 (43.75%) XML
5 12 (37.50%) AngularJS
6 8 (25.00%) HTML
6 8 (25.00%) Web Services
7 7 (21.88%) jQuery
8 6 (18.75%) CSS
9 5 (15.63%) SOAP
10 4 (12.50%) .NET
10 4 (12.50%) Ajax
10 4 (12.50%) J2EE
11 3 (9.38%) ASP.NET
11 3 (9.38%) HTML5
11 3 (9.38%) Spring
Miscellaneous
1 12 (37.50%) User Experience
2 2 (6.25%) Analytical Skills
3 1 (3.13%) Client/Server
3 1 (3.13%) CMDB
3 1 (3.13%) Fintech
3 1 (3.13%) Greenfield Project
3 1 (3.13%) iPhone
3 1 (3.13%) Management Information System
3 1 (3.13%) Mobile App
3 1 (3.13%) Self-Motivation
Operating Systems
1 11 (34.38%) Android
1 11 (34.38%) Apple iOS
2 6 (18.75%) Linux
2 6 (18.75%) Unix
3 4 (12.50%) Windows
4 2 (6.25%) AIX
Processes & Methodologies
1 14 (43.75%) DevOps
1 14 (43.75%) Microservices
1 14 (43.75%) Workflow
2 13 (40.63%) Benchmarking
2 13 (40.63%) Translating Business Requirements
3 9 (28.13%) Android Development
3 9 (28.13%) iOS Development
4 6 (18.75%) Agile Software Development
5 5 (15.63%) MVC
6 4 (12.50%) Business Intelligence
7 3 (9.38%) E-Commerce
7 3 (9.38%) Front End Development
7 3 (9.38%) Problem-Solving
7 3 (9.38%) Scrum
7 3 (9.38%) SDLC
8 2 (6.25%) Analytics
8 2 (6.25%) Performance Optimisation
8 2 (6.25%) Responsive Web Design
8 2 (6.25%) Service Delivery
8 2 (6.25%) Software Delivery
Programming Languages
1 25 (78.13%) JavaScript
2 7 (21.88%) SQL
3 4 (12.50%) PHP
4 3 (9.38%) C#
4 3 (9.38%) Java
5 2 (6.25%) Python
5 2 (6.25%) Scala
6 1 (3.13%) PowerShell
6 1 (3.13%) VB
Qualifications
1 1 (3.13%) Computer Science Degree
1 1 (3.13%) Degree
Quality Assurance & Compliance
1 1 (3.13%) SNOMED CT
System Software
1 1 (3.13%) Docker
1 1 (3.13%) HDFS
Systems Management
1 1 (3.13%) Grafana
1 1 (3.13%) Kibana
1 1 (3.13%) Opscode Chef
1 1 (3.13%) Puppet
1 1 (3.13%) SCOM
1 1 (3.13%) SCOrch
1 1 (3.13%) WMI
Vendors
1 3 (9.38%) Oracle
2 2 (6.25%) Databricks
2 2 (6.25%) Microsoft
2 2 (6.25%) Salesforce.com
2 2 (6.25%) Telerik
3 1 (3.13%) Blue Coat
3 1 (3.13%) HP
3 1 (3.13%) PayPal
3 1 (3.13%) Perforce
3 1 (3.13%) Sage
3 1 (3.13%) ServiceNow
3 1 (3.13%) SolarWinds
3 1 (3.13%) Trustwave
3 1 (3.13%) webMethods
3 1 (3.13%) Workday
3 1 (3.13%) WorldPay