The table below looks at the statistics for JSON skills in IT contracts advertised for the City of London region. Included is a guide to the average contractor rates offered in IT contracts that have cited JSON over the 3 months to 1 May 2015 with a comparison to the same period in the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

Location
3 months to
1 May 2015
Same period 2014 Same period 2013
JSON
Rank 103 118 133
Rank change year-on-year
+15 +15
Contract jobs citing JSON 102 86 76
As % of all contract IT jobs located in the City of London 1.86% 1.37% 1.19%
As % of the Libraries, Frameworks & Software Standards category 6.22% 4.61% 4.21%
Number of daily rates quoted 82 59 67
Average daily rate
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of your Daily Rate
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£393 £430 £400
Average daily rate % change year-on-year
-8.54% +7.50%
90% offered a daily rate of more than £325 £250 £259
10% offered a daily rate of more than £525 £575 £550
UK excluding London average daily rate £350 £335 £325
% change year-on-year
+4.47% +3.07%
Number of hourly rates quoted 3 0 0
Average hourly rate £19.72 - -
UK excluding London average hourly rate £38.75 £32.25 £34.00
% change year-on-year
+20.15% -5.14%
JSON
London

The following table is for comparison with the above and provides statistics for the entire Libraries, Frameworks & Software Standards category in contract jobs advertised in the City of London region.

Libraries, Frameworks & Software Standards Category
City of London
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
1639 1865 1806
As % of all contract IT jobs located in the City of London 29.91% 29.81% 28.28%
Number of daily rates quoted 1291 1417 1422
Average daily rate £425 £425 £415
Average daily rate % change year-on-year
- +2.40%
90% offered a daily rate of more than £320 £313 £300
10% offered a daily rate of more than £600 £600 £575
UK excluding London average daily rate £350 £338 £325
% change year-on-year
+3.70% +3.84%
Number of hourly rates quoted 10 3 20
Average hourly rate £19.72 £41.00 £40.75
Average hourly rate % change year-on-year
-51.91% +0.60%
90% offered a hourly rate of more than £17.32 £37.30 £25.00
10% offered a hourly rate of more than £60.00 £190.00 £135.00
UK excluding London average hourly rate £37.00 £35.00 £35.00
% change year-on-year
+5.71% -

JSON
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of IT contractor jobs citing JSON across the City of London region as a proportion of the total demand within the Libraries, Frameworks & Software Standards category.

JSON Jobs Demand Trend in the City of London

JSON
Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing JSON across the City of London region.

JSON Daily Rate Trend in the City of London

JSON
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing JSON across the City of London region over the 3 months to 1 May 2015.

JSON Daily Rate Histogram in the City of London

JSON
Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing JSON across the City of London region.

JSON Hourly Rate Trend in the City of London

JSON
Top 30 Related IT Skills in the City of London

For the 6 months to 1 May 2015, IT contractor jobs across the City of London region citing JSON also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited JSON.

1 116 (56.59%) XML
2 100 (48.78%) JavaScript
3 97 (47.32%) HTML
4 96 (46.83%) Agile Software Development
5 75 (36.59%) CSS
6 70 (34.15%) Java
7 65 (31.71%) Web Services
8 64 (31.22%) REST
9 60 (29.27%) HTML5
10 57 (27.80%) OO
11 54 (26.34%) jQuery
12 51 (24.88%) Apple iOS
13 50 (24.39%) TDD
14 46 (22.44%) Scrum
15 45 (21.95%) AngularJS
16 42 (20.49%) Ajax
17 41 (20.00%) iOS Development
18 39 (19.02%) Continuous Integration
19 37 (18.05%) C#
19 37 (18.05%) SQL
19 37 (18.05%) .NET
19 37 (18.05%) SQL Server
20 35 (17.07%) RESTful
21 34 (16.59%) CSS3
22 31 (15.12%) Node.js
22 31 (15.12%) Git (software)
22 31 (15.12%) Android
23 30 (14.63%) User Experience
23 30 (14.63%) Objective-C
24 29 (14.15%) OOP

JSON
Top Related IT Skills in the City of London by Category

For the 6 months to 1 May 2015, IT contractor jobs across the City of London region citing JSON also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited JSON. Up to 20 skills are shown per category.

Application Platforms
1 31 (15.12%) Node.js
2 8 (3.90%) CMS
3 7 (3.41%) Apache
4 6 (2.93%) Tomcat
5 5 (2.44%) IIS
6 4 (1.95%) Mule
7 3 (1.46%) WordPress
8 2 (0.98%) JBoss
8 2 (0.98%) Apache ServiceMix
8 2 (0.98%) Apache Solr
8 2 (0.98%) Confluence
9 1 (0.49%) Jetty
9 1 (0.49%) SharePoint 2013
9 1 (0.49%) Elasticsearch
9 1 (0.49%) MS Exchange
9 1 (0.49%) SharePoint
9 1 (0.49%) Lotus Domino
9 1 (0.49%) GroupWise
9 1 (0.49%) Drupal
Applications
1 9 (4.39%) MS Excel
2 4 (1.95%) Spreadsheet
3 3 (1.46%) Adobe Creative Suite
4 2 (0.98%) MS Office
5 1 (0.49%) MS Visio
5 1 (0.49%) MS Project
Business Applications
1 1 (0.49%) Radian6
1 1 (0.49%) Tridion
Cloud Services
1 14 (6.83%) Amazon AWS
2 7 (3.41%) Microsoft Azure
3 4 (1.95%) GitHub
3 4 (1.95%) SaaS
4 3 (1.46%) Heroku
4 3 (1.46%) Force.com
5 2 (0.98%) AWS CloudFormation
6 1 (0.49%) Amazon SQS
6 1 (0.49%) Amazon EC2
6 1 (0.49%) Amazon ElastiCache
6 1 (0.49%) Google Analytics
Communications & Networking
1 18 (8.78%) HTTP
2 4 (1.95%) HTTPS
2 4 (1.95%) Internet
3 2 (0.98%) Firewall
3 2 (0.98%) DMZ
3 2 (0.98%) DNS
3 2 (0.98%) Kerberos
3 2 (0.98%) DVB
3 2 (0.98%) LDAP
4 1 (0.49%) PuTTY
4 1 (0.49%) TCP/IP
4 1 (0.49%) VoIP
4 1 (0.49%) SSL
4 1 (0.49%) CTI
4 1 (0.49%) Wi-Fi
Database & Business Intelligence
1 37 (18.05%) SQL Server
2 16 (7.80%) SQL Server 2008
3 10 (4.88%) Relational Database
4 8 (3.90%) MySQL
5 7 (3.41%) MongoDB
6 6 (2.93%) Data Warehouse
7 5 (2.44%) NoSQL
7 5 (2.44%) SQL Server 2012
7 5 (2.44%) SQL Server Integration Services
8 4 (1.95%) PostgreSQL
9 3 (1.46%) Apache Cassandra
9 3 (1.46%) Big Data
9 3 (1.46%) Oracle Database
9 3 (1.46%) Oracle Reports
9 3 (1.46%) DB2
9 3 (1.46%) RDBMS
9 3 (1.46%) SQL Server Reporting Services
9 3 (1.46%) Oracle Database 11g
10 2 (0.98%) SQLite
11 1 (0.49%) Couchbase
Development Applications
1 31 (15.12%) Git (software)
2 28 (13.66%) Cucumber
3 23 (11.22%) Jenkins
4 16 (7.80%) JIRA
5 15 (7.32%) Subversion
6 13 (6.34%) Grunt
7 12 (5.85%) Hudson
8 11 (5.37%) Team Foundation Server
8 11 (5.37%) Xcode
8 11 (5.37%) Maven
9 9 (4.39%) webpack
9 9 (4.39%) Eclipse
9 9 (4.39%) Selenium
10 7 (3.41%) SpecFlow
10 7 (3.41%) Mocha
10 7 (3.41%) Jasmine
10 7 (3.41%) NUnit
10 7 (3.41%) ReSharper
11 6 (2.93%) Visual Studio
11 6 (2.93%) Bower
General
1 21 (10.24%) Finance
2 11 (5.37%) Banking
3 7 (3.41%) Retail
4 6 (2.93%) Marketing
5 5 (2.44%) Law
6 4 (1.95%) French Language
6 4 (1.95%) German Language
6 4 (1.95%) Games
7 2 (0.98%) Hindi Language
7 2 (0.98%) Arabic Language
7 2 (0.98%) Investment Banking
7 2 (0.98%) Front Office
7 2 (0.98%) Publishing
8 1 (0.49%) Telecoms
8 1 (0.49%) Advertising
Job Titles
1 161 (78.54%) Developer
2 39 (19.02%) iOS Developer
3 32 (15.61%) Senior Developer
4 19 (9.27%) .NET Developer
4 19 (9.27%) Android Developer
5 18 (8.78%) Web Developer
6 17 (8.29%) Java Developer
7 14 (6.83%) Senior iOS Developer
8 10 (4.88%) Front-End Developer
9 9 (4.39%) Architect
9 9 (4.39%) JavaScript Developer
10 7 (3.41%) Technical Architect
10 7 (3.41%) SQL Developer
11 5 (2.44%) Test Leader
11 5 (2.44%) Node.js Developer
12 4 (1.95%) Senior .NET Developer
12 4 (1.95%) Senior Web Developer
12 4 (1.95%) Software Engineer
12 4 (1.95%) Analyst
12 4 (1.95%) AWS Developer
Libraries, Frameworks & Software Standards
1 116 (56.59%) XML
2 97 (47.32%) HTML
3 75 (36.59%) CSS
4 65 (31.71%) Web Services
5 64 (31.22%) REST
6 60 (29.27%) HTML5
7 54 (26.34%) jQuery
8 45 (21.95%) AngularJS
9 42 (20.49%) Ajax
10 37 (18.05%) .NET
11 35 (17.07%) RESTful
12 34 (16.59%) CSS3
13 26 (12.68%) Spring
13 26 (12.68%) ASP.NET
14 24 (11.71%) SOAP
15 22 (10.73%) .NET Framework
16 19 (9.27%) Backbone.js
17 16 (7.80%) Hibernate
18 13 (6.34%) Twitter Bootstrap
19 12 (5.85%) J2EE
Miscellaneous
1 30 (14.63%) User Experience
2 24 (11.71%) Mobile App
3 14 (6.83%) Computer Science
4 13 (6.34%) Social Media
4 13 (6.34%) iPhone
5 10 (4.88%) iPad
6 9 (4.39%) Open Source
7 8 (3.90%) Data Structures
8 7 (3.41%) Analytical Skills
9 5 (2.44%) Video on Demand
9 5 (2.44%) Algorithms
10 4 (1.95%) Streaming Video
10 4 (1.95%) W3C
10 4 (1.95%) Enterprise Software
10 4 (1.95%) Visualisation
11 3 (1.46%) Digital Media
12 2 (0.98%) Interactive TV
12 2 (0.98%) New Media
13 1 (0.49%) N-Tier
13 1 (0.49%) Blackberry
Operating Systems
1 51 (24.88%) Apple iOS
2 31 (15.12%) Android
3 22 (10.73%) Linux
4 17 (8.29%) Windows
5 5 (2.44%) UNIX
5 5 (2.44%) VMS
6 3 (1.46%) CentOS
6 3 (1.46%) Ubuntu
7 2 (0.98%) OpenVMS
8 1 (0.49%) Windows Server 2008
8 1 (0.49%) Windows Server 2012
Processes & Methodologies
1 96 (46.83%) Agile Software Development
2 57 (27.80%) OO
3 50 (24.39%) TDD
4 46 (22.44%) Scrum
5 41 (20.00%) iOS Development
6 39 (19.02%) Continuous Integration
7 29 (14.15%) OOP
8 27 (13.17%) Unit Testing
8 27 (13.17%) E-Commerce
8 27 (13.17%) MVC
9 22 (10.73%) Android Development
9 22 (10.73%) BDD
10 19 (9.27%) Test Automation
11 18 (8.78%) Web Development
12 15 (7.32%) Kanban
13 13 (6.34%) Pair Programming
13 13 (6.34%) SOA
14 12 (5.85%) Analytics
14 12 (5.85%) Mobile Development
15 11 (5.37%) Responsive Web Design
Programming Languages
1 100 (48.78%) JavaScript
2 70 (34.15%) Java
3 37 (18.05%) C#
3 37 (18.05%) SQL
4 30 (14.63%) Objective-C
5 26 (12.68%) Ruby
6 24 (11.71%) PHP
7 18 (8.78%) C++
8 16 (7.80%) Scala
9 13 (6.34%) Python
10 10 (4.88%) Apple Swift
11 7 (3.41%) C
11 7 (3.41%) T-SQL
12 6 (2.93%) PL/SQL
13 5 (2.44%) Perl
13 5 (2.44%) Shell Script
13 5 (2.44%) XPath
14 3 (1.46%) Apex Code
14 3 (1.46%) Groovy
14 3 (1.46%) VBA
Qualifications
1 20 (9.76%) Degree
2 2 (0.98%) ISTQB
2 2 (0.98%) Security Cleared
3 1 (0.49%) SC Cleared
Quality Assurance & Compliance
1 16 (7.80%) QA
2 1 (0.49%) HL7
System Software
1 1 (0.49%) VMware Infrastructure
1 1 (0.49%) Terminal Services
1 1 (0.49%) Active Directory
Systems Management
1 13 (6.34%) Opscode Chef
2 10 (4.88%) yum
3 6 (2.93%) Puppet
4 3 (1.46%) Jitterbit
4 3 (1.46%) Ansible
5 1 (0.49%) Vagrant
5 1 (0.49%) Salt
5 1 (0.49%) Systems Management Server (SMS)
5 1 (0.49%) Nagios
Vendors
1 11 (5.37%) Microsoft
2 9 (4.39%) Oracle
3 7 (3.41%) Telerik
4 5 (2.44%) Ektron
4 5 (2.44%) Salesforce.com
4 5 (2.44%) Informatica
5 4 (1.95%) Google
5 4 (1.95%) Twitter
5 4 (1.95%) Appcelerator
6 3 (1.46%) Facebook
6 3 (1.46%) Talend
6 3 (1.46%) Red Hat
6 3 (1.46%) Adobe
7 2 (0.98%) Apple
7 2 (0.98%) Xamarin
7 2 (0.98%) WorldPay
7 2 (0.98%) Sencha
8 1 (0.49%) Splunk
8 1 (0.49%) ExactTarget
8 1 (0.49%) Conga
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