The following table provides summary statistics for contract job vacancies advertised in Kent 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 30 March 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
South East / Kent
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 27 54 35
Rank change year-on-year +27 -19  
Contract jobs citing JSON 21 5 1
As % of all contract IT jobs advertised in Kent 6.95% 1.05% 0.39%
As % of the Libraries, Frameworks & Software Standards category 17.65% 2.63% 1.14%
Number of daily rates quoted 16 5 0
Median daily rate £338 £325 -
Median daily rate % change year-on-year +3.84% -  
UK excluding London median daily rate £413 £375 £350
% change year-on-year +10.00% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.00 £55.00 £37.50
% change year-on-year -32.72% +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 Kent with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Kent
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 119 190 88
As % of all contract IT job vacancies advertised in Kent 39.40% 39.75% 33.98%
Number of daily rates quoted 84 153 43
Median daily rate £338 £338 £325
Median daily rate % change year-on-year - +3.84%  
90% offered a daily rate of more than £300 £318 £310
10% offered a daily rate of more than £400 £415 £450
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 3 1
Median hourly rate - £40.00 £37.62
Median hourly rate % change year-on-year - +6.32%  
UK excluding London median hourly rate £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

JSON
Job Vacancy Trend in Kent

The job posting trend of jobs advertised in Kent 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 Kent

JSON
Contractor Daily Rate Trend in Kent

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

Contractor daily rate trend for JSON in Kent

JSON
Contract Job Locations in Kent

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the Kent region over the 3 months to 30 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Folkestone - 5 £325 -
JSON
South East

For the 6 months to 30 March 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 Kent region with a requirement for JSON.

1 41 (95.35%) Web Services
1 41 (95.35%) XML
2 33 (76.74%) TDD
3 32 (74.42%) .NET Framework
3 32 (74.42%) LINQ
3 32 (74.42%) Multithreading
3 32 (74.42%) Team Foundation Server
3 32 (74.42%) SQL
3 32 (74.42%) .NET
3 32 (74.42%) C#
3 32 (74.42%) Entity Framework
3 32 (74.42%) Concurrent Programming
3 32 (74.42%) Multithreaded Programming
4 31 (72.09%) LINQ to SQL
5 25 (58.14%) Algorithms
6 21 (48.84%) Data Management
7 11 (25.58%) REST
8 10 (23.26%) Android Development
8 10 (23.26%) Agile Software Development
8 10 (23.26%) Android
8 10 (23.26%) OpenGL
9 9 (20.93%) Eclipse
9 9 (20.93%) Java
9 9 (20.93%) Memory Management
9 9 (20.93%) Mobile Development
9 9 (20.93%) Git (software)
9 9 (20.93%) Mobile App
9 9 (20.93%) Android SDK
10 8 (18.60%) Degree
10 8 (18.60%) Computer Science

JSON
Co-occurring IT Skills in Kent 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:

Database & Business Intelligence
1 6 (13.95%) DB2
1 6 (13.95%) SQL Server
2 1 (2.33%) MySQL
2 1 (2.33%) NoSQL
Development Applications
1 32 (74.42%) Team Foundation Server
2 9 (20.93%) Eclipse
2 9 (20.93%) Git (software)
General
1 2 (4.65%) Games
2 1 (2.33%) Finance
Job Titles
1 42 (97.67%) Developer
2 32 (74.42%) .NET Developer
3 20 (46.51%) C# .NET Developer
3 20 (46.51%) C# Developer
4 9 (20.93%) Android Developer
5 8 (18.60%) Java Android Developer
5 8 (18.60%) Java Developer
6 5 (11.63%) SQL Developer
6 5 (11.63%) XML Developer
7 1 (2.33%) PHP Developer
7 1 (2.33%) PHP Laravel Developer
7 1 (2.33%) Senior .NET Developer
7 1 (2.33%) Senior C# .NET Developer
7 1 (2.33%) Senior C# Developer
7 1 (2.33%) Senior Developer
Libraries, Frameworks & Software Standards
1 41 (95.35%) Web Services
1 41 (95.35%) XML
2 32 (74.42%) .NET
2 32 (74.42%) .NET Framework
2 32 (74.42%) Entity Framework
2 32 (74.42%) LINQ
3 31 (72.09%) LINQ to SQL
4 11 (25.58%) REST
5 10 (23.26%) OpenGL
6 9 (20.93%) Android SDK
7 1 (2.33%) CSS
7 1 (2.33%) HTML
7 1 (2.33%) jQuery
7 1 (2.33%) Laravel
7 1 (2.33%) OAuth
7 1 (2.33%) SOAP
Miscellaneous
1 25 (58.14%) Algorithms
2 9 (20.93%) Mobile App
3 8 (18.60%) Computer Science
4 1 (2.33%) Social Media
Operating Systems
1 10 (23.26%) Android
Processes & Methodologies
1 33 (76.74%) TDD
2 32 (74.42%) Concurrent Programming
2 32 (74.42%) Multithreaded Programming
2 32 (74.42%) Multithreading
3 21 (48.84%) Data Management
4 10 (23.26%) Agile Software Development
4 10 (23.26%) Android Development
5 9 (20.93%) Memory Management
5 9 (20.93%) Mobile Development
6 2 (4.65%) Game Development
Programming Languages
1 32 (74.42%) C#
1 32 (74.42%) SQL
2 9 (20.93%) Java
3 1 (2.33%) PHP
Qualifications
1 8 (18.60%) Degree