The following table provides summary statistics for contract job vacancies advertised in Canary Wharf 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 24 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
London / Canary Wharf
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 18 23 -
Rank change year-on-year +5 -  
Contract jobs citing JSON 4 3 0
As % of all contract IT jobs advertised in Canary Wharf 3.70% 2.44% -
As % of the Libraries, Frameworks & Software Standards category 8.89% 9.68% -
Number of daily rates quoted 2 3 0
Median daily rate £600 £450 -
Median daily rate % change year-on-year +33.33% -  
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 Canary Wharf with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Canary Wharf
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 45 31 50
As % of all contract IT job vacancies advertised in Canary Wharf 41.67% 25.20% 29.76%
Number of daily rates quoted 36 20 39
Median daily rate £600 £500 £500
Median daily rate % change year-on-year +20.00% -  
90% offered a daily rate of more than £475 £400 £300
10% offered a daily rate of more than £675 £650 £550
UK excluding London median daily rate £398 £375 £350
% change year-on-year +6.00% +7.14%  
Number of hourly rates quoted 0 0 2
Median hourly rate - - £12.50
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 Canary Wharf

The job posting trend of jobs advertised in Canary Wharf 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 Canary Wharf

JSON
Contractor Daily Rate Trend in Canary Wharf

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

Contractor daily rate trend for JSON in Canary Wharf

For the 6 months to 24 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 Canary Wharf region with a requirement for JSON.

1 9 (100.00%) XML
2 8 (88.89%) Finance
3 7 (77.78%) Agile Software Development
3 7 (77.78%) Enterprise Architecture
3 7 (77.78%) Java
4 6 (66.67%) Stakeholder Management
4 6 (66.67%) REST
5 5 (55.56%) Spring
5 5 (55.56%) SQL
6 4 (44.44%) SOAP
6 4 (44.44%) JBoss
6 4 (44.44%) Banking
6 4 (44.44%) PaaS
7 3 (33.33%) RESTful
7 3 (33.33%) AngularJS
7 3 (33.33%) TOGAF
7 3 (33.33%) Computer Science
7 3 (33.33%) Hibernate
7 3 (33.33%) Scrum
7 3 (33.33%) OOA/OOD
7 3 (33.33%) OO
7 3 (33.33%) SOA
7 3 (33.33%) J2EE
7 3 (33.33%) Oracle
8 2 (22.22%) Web Services
8 2 (22.22%) Unix
8 2 (22.22%) Linux
8 2 (22.22%) JavaScript
8 2 (22.22%) DB2
8 2 (22.22%) Ant

JSON
Co-occurring IT Skills in Canary Wharf 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 4 (44.44%) JBoss
2 2 (22.22%) WebLogic
3 1 (11.11%) Oracle SOA Suite
3 1 (11.11%) Oracle Workflow
Cloud Services
1 4 (44.44%) PaaS
2 2 (22.22%) Amazon AWS
2 2 (22.22%) Office 365
2 2 (22.22%) SaaS
2 2 (22.22%) SuccessFactors
Communications & Networking
1 2 (22.22%) Internet
1 2 (22.22%) Intranet
1 2 (22.22%) VPN
1 2 (22.22%) Wi-Fi
Database & Business Intelligence
1 2 (22.22%) Apache Cassandra
1 2 (22.22%) Big Data
1 2 (22.22%) Data Mining
1 2 (22.22%) DB2
1 2 (22.22%) MongoDB
1 2 (22.22%) NoSQL
1 2 (22.22%) Relational Database
2 1 (11.11%) Data Warehouse
2 1 (11.11%) Oracle Database
Development Applications
1 2 (22.22%) Ant
1 2 (22.22%) Git (software)
1 2 (22.22%) Gradle
1 2 (22.22%) Hudson
1 2 (22.22%) Jenkins
1 2 (22.22%) Maven
General
1 8 (88.89%) Finance
2 4 (44.44%) Banking
3 2 (22.22%) Investment Banking
3 2 (22.22%) Legal
Job Titles
1 7 (77.78%) Architect
2 2 (22.22%) Cloud Architect
2 2 (22.22%) Core Java Developer
2 2 (22.22%) Developer
2 2 (22.22%) Investment Banking Java Developer
2 2 (22.22%) Java Architect
2 2 (22.22%) Java Developer
2 2 (22.22%) Platform Architect
2 2 (22.22%) SaaS Architect
2 2 (22.22%) Security Architect
2 2 (22.22%) Solutions Architect
2 2 (22.22%) SQL Developer
2 2 (22.22%) Unix Developer
3 1 (11.11%) Software Architect
Libraries, Frameworks & Software Standards
1 9 (100.00%) XML
2 6 (66.67%) REST
3 5 (55.56%) Spring
4 4 (44.44%) SOAP
5 3 (33.33%) AngularJS
5 3 (33.33%) Hibernate
5 3 (33.33%) J2EE
5 3 (33.33%) RESTful
6 2 (22.22%) CSS
6 2 (22.22%) HTML
6 2 (22.22%) iBATIS
6 2 (22.22%) JMS
6 2 (22.22%) OAuth
6 2 (22.22%) Protocol Buffers
6 2 (22.22%) SAML
6 2 (22.22%) Web Services
6 2 (22.22%) WebSockets
7 1 (11.11%) Spring MVC
7 1 (11.11%) XSL
7 1 (11.11%) XSLT
Miscellaneous
1 3 (33.33%) Computer Science
2 2 (22.22%) Derivative
2 2 (22.22%) Greenfield Project
2 2 (22.22%) Linked Data
2 2 (22.22%) OTC Derivatives
2 2 (22.22%) Private Cloud
Operating Systems
1 2 (22.22%) Android
1 2 (22.22%) Apple iOS
1 2 (22.22%) Linux
1 2 (22.22%) Unix
Processes & Methodologies
1 7 (77.78%) Agile Software Development
1 7 (77.78%) Enterprise Architecture
2 6 (66.67%) Stakeholder Management
3 3 (33.33%) OO
3 3 (33.33%) OOA/OOD
3 3 (33.33%) Scrum
3 3 (33.33%) SOA
3 3 (33.33%) TOGAF
4 2 (22.22%) Android Development
4 2 (22.22%) Anti-Money Laundering
4 2 (22.22%) API Development
4 2 (22.22%) Cybersecurity
4 2 (22.22%) DevOps
4 2 (22.22%) iOS Development
4 2 (22.22%) Open Source
4 2 (22.22%) Performance Optimisation
4 2 (22.22%) RDF
4 2 (22.22%) Refactoring
4 2 (22.22%) SABSA
4 2 (22.22%) Test Automation
Programming Languages
1 7 (77.78%) Java
2 5 (55.56%) SQL
3 2 (22.22%) JavaScript
3 2 (22.22%) Shell Script
4 1 (11.11%) ActionScript
4 1 (11.11%) PL/SQL
Qualifications
1 2 (22.22%) Degree
2 1 (11.11%) ISEB
2 1 (11.11%) ISTQB
Quality Assurance & Compliance
1 2 (22.22%) Dodd-Frank
1 2 (22.22%) EMIR
1 2 (22.22%) MiFID
Vendors
1 3 (33.33%) Oracle
2 2 (22.22%) Perforce
2 2 (22.22%) Salesforce.com
2 2 (22.22%) ServiceNow
3 1 (11.11%) Adobe
3 1 (11.11%) IBM
3 1 (11.11%) Sybase