The following table provides summary statistics for contract job vacancies advertised in Guildford 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 29 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
Surrey / Guildford
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 14 15 25
Rank change year-on-year +1 +10  
Contract jobs citing JSON 5 1 1
As % of all contract IT jobs advertised in Guildford 4.81% 1.15% 0.65%
As % of the Libraries, Frameworks & Software Standards category 20.00% 3.33% 4.76%
Number of daily rates quoted 4 1 1
Median daily rate £475 £350 £325
Median daily rate % change year-on-year +35.71% +7.69%  
90% offered a daily rate of more than £463 £338 £313
10% offered a daily rate of more than £505 £363 £338
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 £41.50 £29.14 £55.00
% change year-on-year +42.41% -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 Guildford with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Guildford
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 25 30 21
As % of all contract IT job vacancies advertised in Guildford 24.04% 34.48% 13.64%
Number of daily rates quoted 94 91 61
Median daily rate £475 £400 £375
Median daily rate % change year-on-year +18.75% +6.66%  
90% offered a daily rate of more than £233 £288 £275
10% offered a daily rate of more than £513 £438 £450
UK excluding London median daily rate £395 £375 £350
% change year-on-year +5.33% +7.14%  
Number of hourly rates quoted 0 4 0
Median hourly rate - £11.00 -
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 Guildford

Job postings citing JSON as a percentage of all IT jobs advertised in Guildford.

Job vacancy trend for JSON in Guildford

JSON
Contractor Daily Rate Trend in Guildford

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

Contractor daily rate trend for JSON in Guildford

For the 6 months to 29 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 Guildford region with a requirement for JSON.

1 9 (100.00%) Unix
1 9 (100.00%) Linux
1 9 (100.00%) Apache
1 9 (100.00%) Middleware
1 9 (100.00%) Finance
1 9 (100.00%) Agile Software Development
1 9 (100.00%) TDD
1 9 (100.00%) Spring
1 9 (100.00%) Java
1 9 (100.00%) RabbitMQ
1 9 (100.00%) REST
1 9 (100.00%) Jenkins
1 9 (100.00%) Hadoop
2 7 (77.78%) BDD
2 7 (77.78%) System Testing
2 7 (77.78%) Apache Spark
2 7 (77.78%) Hadoop YARN
2 7 (77.78%) Apache ZooKeeper
2 7 (77.78%) Big Data
2 7 (77.78%) Kafka
2 7 (77.78%) J2EE
2 7 (77.78%) Unit Testing
3 6 (66.67%) Spring Boot
4 2 (22.22%) Linux Command Line
4 2 (22.22%) Continuous Integration
4 2 (22.22%) Shell Script
5 1 (11.11%) Spark Streaming

JSON
Co-occurring IT Skills in Guildford 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 9 (100.00%) Apache
2 7 (77.78%) Apache Spark
Database & Business Intelligence
1 9 (100.00%) Hadoop
2 7 (77.78%) Big Data
Development Applications
1 9 (100.00%) Jenkins
General
1 9 (100.00%) Finance
Job Titles
1 9 (100.00%) Developer
1 9 (100.00%) Java Developer
2 2 (22.22%) J2EE Developer
2 2 (22.22%) Java/J2EE Developer
3 1 (11.11%) Hadoop Developer
3 1 (11.11%) Java Hadoop Developer
Libraries, Frameworks & Software Standards
1 9 (100.00%) Middleware
1 9 (100.00%) RabbitMQ
1 9 (100.00%) REST
1 9 (100.00%) Spring
2 7 (77.78%) J2EE
2 7 (77.78%) Kafka
3 6 (66.67%) Spring Boot
4 1 (11.11%) Spark Streaming
Miscellaneous
1 2 (22.22%) Linux Command Line
Operating Systems
1 9 (100.00%) Linux
1 9 (100.00%) Unix
Processes & Methodologies
1 9 (100.00%) Agile Software Development
1 9 (100.00%) TDD
2 7 (77.78%) BDD
2 7 (77.78%) System Testing
2 7 (77.78%) Unit Testing
3 2 (22.22%) Continuous Integration
Programming Languages
1 9 (100.00%) Java
2 2 (22.22%) Shell Script
System Software
1 7 (77.78%) Apache ZooKeeper
Systems Management
1 7 (77.78%) Hadoop YARN