The following table provides summary statistics for contract job vacancies advertised in Salford 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 23 June 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
Manchester / Salford
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 6 - 7
Rank change year-on-year - 0  
Contract jobs citing JSON 3 0 2
As % of all contract IT jobs advertised in Salford 12.50% - 9.09%
As % of the Libraries, Frameworks & Software Standards category 30.00% - 16.67%
Number of daily rates quoted 3 0 2
Median daily rate £413 - £393
90% offered a daily rate of more than £403 - £387
10% offered a daily rate of more than £423 - £399
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £38.75 £29.14 £55.00
% change year-on-year +32.97% -47.01%  

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 Salford with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Salford
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 10 9 12
As % of all contract IT job vacancies advertised in Salford 41.67% 25.71% 54.55%
Number of daily rates quoted 6 7 11
Median daily rate £425 £350 £385
Median daily rate % change year-on-year +21.42% -9.09%  
90% offered a daily rate of more than £400 £348 £360
10% offered a daily rate of more than £450 £410 £430
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

JSON
Job Vacancy Trend in Salford

The job posting trend of jobs advertised in Salford 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 Salford

JSON
Contractor Daily Rate Trend in Salford

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

Contractor daily rate trend for JSON in Salford

For the 6 months to 23 June 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 Salford region with a requirement for JSON.

1 3 (100.00%) Agile Software Development
1 3 (100.00%) TDD
1 3 (100.00%) HTML
1 3 (100.00%) JavaScript
1 3 (100.00%) Amazon AWS
1 3 (100.00%) Jenkins
1 3 (100.00%) DevOps
1 3 (100.00%) Node.js
2 2 (66.67%) FFmpeg
2 2 (66.67%) Hudson
2 2 (66.67%) HTML5
2 2 (66.67%) GStreamer
2 2 (66.67%) RESTful
2 2 (66.67%) XML
2 2 (66.67%) Linux
2 2 (66.67%) Performance Testing
3 1 (33.33%) Unit Testing
3 1 (33.33%) Continuous Integration
3 1 (33.33%) Cloud Computing
3 1 (33.33%) Git (software)
3 1 (33.33%) UX Design
3 1 (33.33%) Test Automation
3 1 (33.33%) HTTP
3 1 (33.33%) DNS
3 1 (33.33%) Pair Programming
3 1 (33.33%) Software Engineering
3 1 (33.33%) Ruby
3 1 (33.33%) Ajax
3 1 (33.33%) Web Development
3 1 (33.33%) Degree

JSON
Co-occurring IT Skills in Salford 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 3 (100.00%) Amazon AWS
2 1 (33.33%) Cloud Computing
Communications & Networking
1 1 (33.33%) DNS
1 1 (33.33%) HTTP
Database & Business Intelligence
1 1 (33.33%) Amazon DynamoDB
Development Applications
1 3 (100.00%) Jenkins
2 2 (66.67%) Hudson
3 1 (33.33%) Cucumber
3 1 (33.33%) Git (software)
3 1 (33.33%) PhantomJS
Job Titles
1 2 (66.67%) Developer
2 1 (33.33%) JavaScript Developer
2 1 (33.33%) Node.js Developer
2 1 (33.33%) Software Engineer
Libraries, Frameworks & Software Standards
1 3 (100.00%) HTML
1 3 (100.00%) Node.js
2 2 (66.67%) FFmpeg
2 2 (66.67%) GStreamer
2 2 (66.67%) HTML5
2 2 (66.67%) RESTful
2 2 (66.67%) XML
3 1 (33.33%) Ajax
3 1 (33.33%) CSS
3 1 (33.33%) Sass
Miscellaneous
1 1 (33.33%) Computer Science
1 1 (33.33%) User Experience
Operating Systems
1 2 (66.67%) Linux
Processes & Methodologies
1 3 (100.00%) Agile Software Development
1 3 (100.00%) DevOps
1 3 (100.00%) TDD
2 2 (66.67%) Performance Testing
3 1 (33.33%) BDD
3 1 (33.33%) Continuous Delivery
3 1 (33.33%) Continuous Integration
3 1 (33.33%) Pair Programming
3 1 (33.33%) Software Engineering
3 1 (33.33%) Test Automation
3 1 (33.33%) Unit Testing
3 1 (33.33%) Use Case
3 1 (33.33%) UX Design
3 1 (33.33%) Web Development
Programming Languages
1 3 (100.00%) JavaScript
2 1 (33.33%) Ruby
Qualifications
1 1 (33.33%) Computer Science Degree
1 1 (33.33%) Degree
Quality Assurance & Compliance
1 1 (33.33%) QA