The following table provides summary statistics for contract job vacancies advertised in Reading 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 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
Berkshire / Reading
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 51 55 64
Rank change year-on-year +4 +9  
Contract jobs citing JSON 8 17 11
As % of all contract IT jobs advertised in Reading 1.22% 1.67% 1.09%
As % of the Libraries, Frameworks & Software Standards category 5.88% 7.30% 4.31%
Number of daily rates quoted 8 11 9
Median daily rate £364 £350 £400
Median daily rate % change year-on-year +3.92% -12.50%  
90% offered a daily rate of more than £311 £350 £233
10% offered a daily rate of more than £455 £450 £625
UK excluding London median daily rate £411 £375 £350
% change year-on-year +9.66% +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 Reading with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Reading
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 136 233 255
As % of all contract IT job vacancies advertised in Reading 20.67% 22.93% 25.27%
Number of daily rates quoted 80 147 168
Median daily rate £400 £400 £350
Median daily rate % change year-on-year - +14.28%  
90% offered a daily rate of more than £300 £350 £250
10% offered a daily rate of more than £500 £500 £450
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 9 4 1
Median hourly rate £15.00 £9.00 £19.00
Median hourly rate % change year-on-year +66.66% -52.63%  
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 Reading

The job posting trend of jobs advertised in Reading 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 Reading

JSON
Contractor Daily Rate Trend in Reading

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

Contractor daily rate trend for JSON in Reading

JSON
Contractor Daily Rate Histogram in Reading

The daily rate distribution of IT jobs citing JSON in Reading over the 3 months to 29 March 2017.

Contractor daily rate histogram for JSON in Reading

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

1 8 (72.73%) REST
2 7 (63.64%) Agile Software Development
3 6 (54.55%) Java
3 6 (54.55%) SQL
3 6 (54.55%) XML
4 5 (45.45%) Web Services
5 4 (36.36%) Continuous Integration
6 3 (27.27%) Spring
6 3 (27.27%) Android
6 3 (27.27%) Git (software)
6 3 (27.27%) Jenkins
6 3 (27.27%) SOAP
6 3 (27.27%) XSLT
6 3 (27.27%) Linux
6 3 (27.27%) JavaScript
6 3 (27.27%) J2EE
6 3 (27.27%) Middleware
6 3 (27.27%) Microsoft
6 3 (27.27%) SAML
6 3 (27.27%) SOA
7 2 (18.18%) Data Warehouse
7 2 (18.18%) HTTP
7 2 (18.18%) WSDL
7 2 (18.18%) Internet
7 2 (18.18%) Finance
7 2 (18.18%) Scrum
7 2 (18.18%) TDD
7 2 (18.18%) Oracle
7 2 (18.18%) SQL Server
7 2 (18.18%) WebLogic

JSON
Co-occurring IT Skills in Reading 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 2 (18.18%) Oracle BPEL
1 2 (18.18%) Oracle SOA Suite
1 2 (18.18%) WebLogic
2 1 (9.09%) Apache
2 1 (9.09%) CMS
2 1 (9.09%) IIS
2 1 (9.09%) nginx
2 1 (9.09%) SharePoint
Applications
1 1 (9.09%) MS Excel
Business Applications
1 2 (18.18%) Oracle BPM
2 1 (9.09%) Dynamics CRM
Cloud Services
1 1 (9.09%) Amazon AWS
1 1 (9.09%) Amazon EC2
1 1 (9.09%) Microsoft Azure
Communications & Networking
1 2 (18.18%) HTTP
1 2 (18.18%) Internet
2 1 (9.09%) DNS
2 1 (9.09%) Firewall
Database & Business Intelligence
1 2 (18.18%) Data Warehouse
1 2 (18.18%) Hadoop
1 2 (18.18%) Oracle Database
1 2 (18.18%) Oracle Database 11g
1 2 (18.18%) Relational Database
1 2 (18.18%) SQL Server
2 1 (9.09%) Apache Cassandra
2 1 (9.09%) Apache Hive
2 1 (9.09%) OLAP
2 1 (9.09%) OLTP
2 1 (9.09%) RDBMS
2 1 (9.09%) SQL Server Integration Services
Development Applications
1 3 (27.27%) Git (software)
1 3 (27.27%) Jenkins
2 2 (18.18%) Bitbucket
2 2 (18.18%) JIRA
2 2 (18.18%) SoapUI
3 1 (9.09%) Fiddler
3 1 (9.09%) GoCD
3 1 (9.09%) Jasmine
3 1 (9.09%) SpecFlow
3 1 (9.09%) Team Foundation Server
3 1 (9.09%) Visual Studio
General
1 2 (18.18%) Finance
2 1 (9.09%) Banking
2 1 (9.09%) Retail
Job Titles
1 9 (81.82%) Developer
2 2 (18.18%) BPM Developer
2 2 (18.18%) Java Developer
2 2 (18.18%) Middleware Developer
2 2 (18.18%) Oracle Developer
2 2 (18.18%) Oracle SOA Developer
2 2 (18.18%) SOA Developer
2 2 (18.18%) Software Developer
2 2 (18.18%) Test Automation Engineer
2 2 (18.18%) Test Engineer
2 2 (18.18%) WebLogic Developer
3 1 (9.09%) Android Developer
3 1 (9.09%) Database Developer
3 1 (9.09%) Developer in Test
3 1 (9.09%) Hadoop Developer
3 1 (9.09%) Java Android Developer
3 1 (9.09%) Lead Developer
Libraries, Frameworks & Software Standards
1 8 (72.73%) REST
2 6 (54.55%) XML
3 5 (45.45%) Web Services
4 3 (27.27%) J2EE
4 3 (27.27%) Middleware
4 3 (27.27%) SAML
4 3 (27.27%) SOAP
4 3 (27.27%) Spring
4 3 (27.27%) XSLT
5 2 (18.18%) .NET
5 2 (18.18%) Oracle Fusion
5 2 (18.18%) WSDL
5 2 (18.18%) XSD
6 1 (9.09%) .NET Framework
6 1 (9.09%) CSS
6 1 (9.09%) HTML
6 1 (9.09%) Node.js
6 1 (9.09%) RabbitMQ
6 1 (9.09%) RESTful
6 1 (9.09%) Symfony
Miscellaneous
1 2 (18.18%) Computer Science
1 2 (18.18%) Linux Command Line
2 1 (9.09%) Analytical Skills
2 1 (9.09%) Enterprise Software
2 1 (9.09%) Mobile App
Operating Systems
1 3 (27.27%) Android
1 3 (27.27%) Linux
2 2 (18.18%) Apple iOS
3 1 (9.09%) Unix
3 1 (9.09%) Windows
3 1 (9.09%) Windows Server
Processes & Methodologies
1 7 (63.64%) Agile Software Development
2 4 (36.36%) Continuous Integration
3 3 (27.27%) SOA
4 2 (18.18%) Analytics
4 2 (18.18%) API Testing
4 2 (18.18%) BDD
4 2 (18.18%) BPEL
4 2 (18.18%) Cybersecurity
4 2 (18.18%) Data Integration
4 2 (18.18%) Performance Tuning
4 2 (18.18%) Root Cause Analysis
4 2 (18.18%) Scrum
4 2 (18.18%) SDLC
4 2 (18.18%) TDD
4 2 (18.18%) User Stories
5 1 (9.09%) Android Development
5 1 (9.09%) API Development
5 1 (9.09%) DevOps
5 1 (9.09%) SOLID
5 1 (9.09%) Translating Business Requirements
Programming Languages
1 6 (54.55%) Java
1 6 (54.55%) SQL
2 3 (27.27%) JavaScript
3 2 (18.18%) C
3 2 (18.18%) C#
3 2 (18.18%) PL/SQL
3 2 (18.18%) Python
4 1 (9.09%) Bash Shell
4 1 (9.09%) C++
4 1 (9.09%) F#
4 1 (9.09%) Go
4 1 (9.09%) Haskell
4 1 (9.09%) ML
4 1 (9.09%) OCaml
4 1 (9.09%) PHP
4 1 (9.09%) Ruby
4 1 (9.09%) Rust
4 1 (9.09%) Shell Script
4 1 (9.09%) VB
Qualifications
1 2 (18.18%) Degree
Quality Assurance & Compliance
1 1 (9.09%) IFRS
1 1 (9.09%) IFRS 9
System Software
1 1 (9.09%) Docker
Systems Management
1 1 (9.09%) Kubernetes
Vendors
1 3 (27.27%) Microsoft
2 2 (18.18%) Oracle
3 1 (9.09%) Apigee