The following table provides summary statistics for contract job vacancies advertised in Southampton with a requirement for JSON skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSON over the 3 months to 28 April 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
Hampshire / Southampton
3 months to
28 Apr 2017
Same period 2016 Same period 2015
Rank 34 36 50
Rank change year-on-year +2 +14  
Contract jobs citing JSON 1 2 2
As % of all contract IT jobs advertised in Southampton 0.38% 0.71% 0.47%
As % of the Libraries, Frameworks & Software Standards category 1.43% 2.56% 1.96%
Number of daily rates quoted 0 2 2
Median daily rate - £325 £365
Median daily rate % change year-on-year - -10.95%  
UK excluding London median daily rate £420 £390 £350
% change year-on-year +7.69% +11.42%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £36.50 £55.00 £37.50
% change year-on-year -33.63% +46.66%  

JSON is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Southampton with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Southampton
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 70 78 102
As % of all contract IT job vacancies advertised in Southampton 26.82% 27.86% 23.94%
Number of daily rates quoted 35 51 75
Median daily rate £363 £349 £375
Median daily rate % change year-on-year +3.86% -6.93%  
90% offered a daily rate of more than £304 £275 £300
10% offered a daily rate of more than £550 £425 £425
UK excluding London median daily rate £375 £375 £350
% change year-on-year - +7.14%  
Number of hourly rates quoted 1 2 2
Median hourly rate £16.25 £13.00 £22.50
Median hourly rate % change year-on-year +25.00% -42.22%  
UK excluding London median hourly rate £42.50 £35.00 £37.00
% change year-on-year +21.42% -5.40%  

JSON
Job Vacancy Trend in Southampton

The job posting trend of jobs advertised in Southampton citing JSON as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for JSON in Southampton

JSON
Contractor Daily Rate Trend in Southampton

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

Contractor daily rate trend for JSON in Southampton

For the 6 months to 28 April 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 Southampton region with a requirement for JSON.

1 2 (66.67%) JavaScript
1 2 (66.67%) Workflow
1 2 (66.67%) RESTful
1 2 (66.67%) REST
1 2 (66.67%) Microservices
2 1 (33.33%) Elastic Stack
2 1 (33.33%) Prototyping
2 1 (33.33%) Marathon
2 1 (33.33%) Creative Problem-Solving
2 1 (33.33%) Geospatial Data
2 1 (33.33%) PostGIS
2 1 (33.33%) User Stories
2 1 (33.33%) Docker
2 1 (33.33%) DevOps
2 1 (33.33%) Mesos
2 1 (33.33%) Microsoft Azure
2 1 (33.33%) Amazon AWS
2 1 (33.33%) Open Source
2 1 (33.33%) PaaS
2 1 (33.33%) Mockito
2 1 (33.33%) PostgreSQL
2 1 (33.33%) Hibernate
2 1 (33.33%) Agile Software Development
2 1 (33.33%) Spring
2 1 (33.33%) Software Engineering
2 1 (33.33%) Computer Science
2 1 (33.33%) Unit Testing
2 1 (33.33%) JPA
2 1 (33.33%) JUnit
2 1 (33.33%) Web Services

JSON
Co-occurring IT Skills in Southampton 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:

Cloud Services
1 1 (33.33%) Amazon AWS
1 1 (33.33%) Microsoft Azure
1 1 (33.33%) PaaS
Database & Business Intelligence
1 1 (33.33%) Geospatial Data
1 1 (33.33%) PostgreSQL
Development Applications
1 1 (33.33%) JUnit
1 1 (33.33%) Mockito
Job Titles
1 3 (100.00%) Developer
2 1 (33.33%) C# Developer
2 1 (33.33%) Java Developer
2 1 (33.33%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 2 (66.67%) REST
1 2 (66.67%) RESTful
2 1 (33.33%) Elastic Stack
2 1 (33.33%) Hibernate
2 1 (33.33%) HTML
2 1 (33.33%) JPA
2 1 (33.33%) Middleware
2 1 (33.33%) PostGIS
2 1 (33.33%) Spring
2 1 (33.33%) Web Services
2 1 (33.33%) XML
Miscellaneous
1 1 (33.33%) Computer Science
Processes & Methodologies
1 2 (66.67%) Microservices
1 2 (66.67%) Workflow
2 1 (33.33%) Agile Software Development
2 1 (33.33%) Creative Problem-Solving
2 1 (33.33%) DevOps
2 1 (33.33%) MVC
2 1 (33.33%) Open Source
2 1 (33.33%) Prototyping
2 1 (33.33%) Software Engineering
2 1 (33.33%) Unit Testing
2 1 (33.33%) User Stories
Programming Languages
1 2 (66.67%) JavaScript
2 1 (33.33%) C#
2 1 (33.33%) Java
2 1 (33.33%) Python
System Software
1 1 (33.33%) Docker
Systems Management
1 1 (33.33%) Marathon
1 1 (33.33%) Mesos