The table below looks at the statistics for JSON skills in IT contracts advertised for the London region. Included is a guide to the average contractor rates offered in IT contracts that have cited JSON over the 3 months to 27 January 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
27 Jan 2015
Same period 2014 Same period 2013
JSON
Rank 129 117 142
Rank change year-on-year
-12 +25
Contract jobs citing JSON 353 378 285
As % of all contract IT jobs located in London 1.68% 1.73% 1.45%
As % of the Libraries, Frameworks & Software Standards category 5.66% 5.91% 4.65%
Number of daily rates quoted 261 286 201
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£400 £420 £400
Average daily rate % change year-on-year
-4.76% +5.00%
90% offered a daily rate of more than £320 £325 £300
10% offered a daily rate of more than £500 £525 £525
UK excluding London average daily rate £375 £350 £335
% change year-on-year
+7.14% +4.47%
Number of hourly rates quoted 0 5 5
Average hourly rate - £30.00 £19.59
Average hourly rate % change year-on-year
- +53.13%
UK excluding London average hourly rate £37.50 £36.00 £34.00
% change year-on-year
+4.16% +5.88%
JSON
England

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 London region.

Libraries, Frameworks & Software Standards Category
London
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
6240 6395 6135
As % of all contract IT jobs located in London 29.73% 29.28% 31.30%
Number of daily rates quoted 4672 4576 4470
Average daily rate £425 £413 £400
Average daily rate % change year-on-year
+3.03% +3.12%
90% offered a daily rate of more than £313 £300 £288
10% offered a daily rate of more than £575 £550 £575
UK excluding London average daily rate £350 £325 £325
% change year-on-year
+7.69% -
Number of hourly rates quoted 29 54 58
Average hourly rate £37.50 £35.00 £20.75
Average hourly rate % change year-on-year
+7.14% +68.67%
90% offered a hourly rate of more than £16.00 £18.00 £17.00
10% offered a hourly rate of more than £55.00 £77.50 £47.50
UK excluding London average hourly rate £33.50 £32.50 £35.00
% change year-on-year
+3.07% -7.14%

JSON
Jobs Demand Trend in London

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

JSON Jobs Demand Trend in London

JSON
Daily Rate Trend in London

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

JSON Daily Rate Trend in London

JSON
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing JSON across the London region over the 3 months to 27 January 2015.

JSON Daily Rate Histogram in London

JSON
Hourly Rate Trend in London

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

JSON Hourly Rate Trend in London

JSON
Contract Job Locations in London

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing JSON within the London region over the 3 months to 27 January 2015. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +20 91 £400 -11.11% 28
Docklands, London - 1 £525 -
Croydon - 1 - -
Feltham - - - -
Harrow - - - -
Hornchurch - - - -
Kingston Upon Thames - - - - 2
Surbiton - - - -
Uxbridge - - - - 1
Canary Wharf - - - -
Hammersmith - - - -
Wimbledon - - - -
Chiswick - - - -
Mayfair - - - -
Bromley - - - - 1
JSON
England

JSON
Top 30 Related IT Skills in London

For the 6 months to 27 January 2015, IT contractor jobs across the 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.

1 426 (56.95%) XML
2 360 (48.13%) HTML
3 357 (47.73%) Agile Software Development
4 347 (46.39%) JavaScript
5 339 (45.32%) Java
6 309 (41.31%) CSS
7 269 (35.96%) Web Services
8 246 (32.89%) REST
9 217 (29.01%) TDD
10 198 (26.47%) Scrum
11 197 (26.34%) HTML5
12 192 (25.67%) jQuery
13 185 (24.73%) Git (software)
14 171 (22.86%) OO
15 156 (20.86%) Ajax
16 144 (19.25%) Continuous Integration
17 140 (18.72%) Apple iOS
18 136 (18.18%) MVC
19 128 (17.11%) CSS3
20 127 (16.98%) .NET
21 126 (16.84%) RESTful
22 121 (16.18%) SQL
23 115 (15.37%) iOS Development
24 114 (15.24%) Spring
25 113 (15.11%) C#
26 110 (14.71%) Linux
27 107 (14.30%) Android
28 106 (14.17%) SOAP
29 103 (13.77%) SQL Server
30 102 (13.64%) AngularJS

JSON
Top Related IT Skills in London by Category

For the 6 months to 27 January 2015, IT contractor jobs across the 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 73 (9.76%) Apache
2 49 (6.55%) Node.js
3 34 (4.55%) Tomcat
3 34 (4.55%) JBoss
4 28 (3.74%) Confluence
4 28 (3.74%) Elasticsearch
5 27 (3.61%) CMS
6 23 (3.07%) SharePoint
7 11 (1.47%) OpenStack
8 10 (1.34%) Apache ServiceMix
8 10 (1.34%) Apache Solr
8 10 (1.34%) WordPress
8 10 (1.34%) WebLogic
9 9 (1.20%) IIS
9 9 (1.20%) Jetty
9 9 (1.20%) WebSphere
10 8 (1.07%) Adobe CQ
11 7 (0.94%) GlassFish
12 6 (0.80%) SharePoint 2013
13 5 (0.67%) SharePoint Server
Applications
1 43 (5.75%) MS Excel
2 27 (3.61%) MS Office
3 24 (3.21%) MS Visio
4 21 (2.81%) MS PowerPoint
5 11 (1.47%) Photoshop
6 8 (1.07%) Doxygen
7 7 (0.94%) Spreadsheet
8 6 (0.80%) Adobe Illustrator
9 4 (0.53%) Adobe Creative Suite
9 4 (0.53%) InfoPath
10 2 (0.27%) Final Cut Pro
11 1 (0.13%) MS Project
Business Applications
1 19 (2.54%) Oracle EBS
2 6 (0.80%) Dynamics AX
2 6 (0.80%) Tridion
3 4 (0.53%) Google Analytics
4 3 (0.40%) Advent Portfolio Exchange
5 2 (0.27%) Magento
6 1 (0.13%) Dynamics NAV
6 1 (0.13%) Summit
Cloud Services
1 26 (3.48%) GitHub
2 22 (2.94%) Amazon AWS
3 13 (1.74%) Microsoft Azure
4 7 (0.94%) Amazon SQS
5 6 (0.80%) Office 365
5 6 (0.80%) Amazon EC2
6 5 (0.67%) Cloud Computing
7 4 (0.53%) IaaS
7 4 (0.53%) Force.com
8 3 (0.40%) Amazon S3
9 2 (0.27%) ElastiCache
9 2 (0.27%) Amazon ElastiCache
9 2 (0.27%) Heroku
9 2 (0.27%) SaaS
Communications & Networking
1 99 (13.24%) HTTP
2 21 (2.81%) TCP/IP
3 19 (2.54%) Internet
4 16 (2.14%) HTTPS
5 14 (1.87%) VPN
6 7 (0.94%) SSL
6 7 (0.94%) RTSP
7 6 (0.80%) SPDY
8 5 (0.67%) VoIP
8 5 (0.67%) AMQP
9 4 (0.53%) Firewall
9 4 (0.53%) DVB
10 3 (0.40%) LDAP
11 2 (0.27%) OpenVPN
11 2 (0.27%) Reverse Proxy
11 2 (0.27%) ZigBee
11 2 (0.27%) FTP
11 2 (0.27%) DNS
11 2 (0.27%) 802.15
11 2 (0.27%) RTP
Database & Business Intelligence
1 103 (13.77%) SQL Server
2 84 (11.23%) MySQL
3 61 (8.16%) NoSQL
4 51 (6.82%) Relational Database
5 37 (4.95%) MongoDB
5 37 (4.95%) PostgreSQL
6 22 (2.94%) Redis
7 21 (2.81%) Oracle Database
8 20 (2.67%) RDBMS
8 20 (2.67%) Big Data
9 19 (2.54%) SQL Server 2008
10 18 (2.41%) DB2
10 18 (2.41%) Apache Cassandra
11 10 (1.34%) Hadoop
12 9 (1.20%) SQLite
13 8 (1.07%) SQL Server Integration Services
14 7 (0.94%) SQL Server 2012
15 6 (0.80%) MarkLogic
16 5 (0.67%) Oracle Database 10g
16 5 (0.67%) Oracle Reports
Development Applications
1 185 (24.73%) Git (software)
2 100 (13.37%) Subversion
3 93 (12.43%) JIRA
4 90 (12.03%) Jenkins
5 85 (11.36%) Maven
6 82 (10.96%) Cucumber
7 55 (7.35%) Xcode
8 53 (7.09%) Eclipse
9 46 (6.15%) JUnit
9 46 (6.15%) Selenium
10 41 (5.48%) Visual Studio
11 30 (4.01%) Hudson
12 27 (3.61%) Grunt
13 22 (2.94%) Ant
14 21 (2.81%) WebDriver
15 17 (2.27%) Redmine
15 17 (2.27%) Team Foundation Server
15 17 (2.27%) Mockito
15 17 (2.27%) Gradle
16 14 (1.87%) JBehave
General
1 73 (9.76%) Finance
2 59 (7.89%) Banking
3 19 (2.54%) Retail
4 14 (1.87%) Telecoms
4 14 (1.87%) Games
5 12 (1.60%) Marketing
5 12 (1.60%) Investment Banking
6 8 (1.07%) French Language
6 8 (1.07%) German Language
7 7 (0.94%) Advertising
7 7 (0.94%) Publishing
8 5 (0.67%) Front Office
8 5 (0.67%) Multimedia
9 4 (0.53%) Financial Institution
10 3 (0.40%) Legal
10 3 (0.40%) Manufacturing
11 2 (0.27%) Hindi Language
11 2 (0.27%) Arabic Language
11 2 (0.27%) Local Government
12 1 (0.13%) Law
Job Titles
1 570 (76.20%) Developer
2 102 (13.64%) Java Developer
3 99 (13.24%) iOS Developer
4 79 (10.56%) Front-End Developer
5 62 (8.29%) Senior Developer
6 47 (6.28%) Android Developer
7 44 (5.88%) Web Developer
8 31 (4.14%) .NET Developer
9 27 (3.61%) JavaScript Developer
10 26 (3.48%) PHP Developer
11 23 (3.07%) Architect
12 20 (2.67%) Senior Java Developer
13 19 (2.54%) Designer
13 19 (2.54%) Author
13 19 (2.54%) Technical Author
14 16 (2.14%) Tester
14 16 (2.14%) Software Engineer
15 15 (2.01%) UI Developer
15 15 (2.01%) Middleware Developer
15 15 (2.01%) UI Programmer
Libraries, Frameworks & Software Standards
1 426 (56.95%) XML
2 360 (48.13%) HTML
3 309 (41.31%) CSS
4 269 (35.96%) Web Services
5 246 (32.89%) REST
6 197 (26.34%) HTML5
7 192 (25.67%) jQuery
8 156 (20.86%) Ajax
9 128 (17.11%) CSS3
10 127 (16.98%) .NET
11 126 (16.84%) RESTful
12 114 (15.24%) Spring
13 106 (14.17%) SOAP
14 102 (13.64%) AngularJS
15 61 (8.16%) Hibernate
16 53 (7.09%) ASP.NET
17 49 (6.55%) Backbone.js
18 48 (6.42%) .NET Framework
19 43 (5.75%) JSP
19 43 (5.75%) XSD
Miscellaneous
1 98 (13.10%) User Experience
2 69 (9.22%) Computer Science
3 49 (6.55%) Mobile App
4 39 (5.21%) Open Source
5 34 (4.55%) Analytical Skills
6 32 (4.28%) iPhone
7 26 (3.48%) Enterprise Software
8 25 (3.34%) Data Structures
9 17 (2.27%) Algorithms
10 14 (1.87%) Video on Demand
10 14 (1.87%) Social Media
10 14 (1.87%) iPad
11 13 (1.74%) Wiki
11 13 (1.74%) Digital Media
12 12 (1.60%) Inversion of Control
13 11 (1.47%) W3C
13 11 (1.47%) Streaming Video
13 11 (1.47%) Visualisation
14 10 (1.34%) N-Tier
15 9 (1.20%) Derivative
Operating Systems
1 140 (18.72%) Apple iOS
2 110 (14.71%) Linux
3 107 (14.30%) Android
4 61 (8.16%) Windows
5 47 (6.28%) UNIX
6 12 (1.60%) CentOS
6 12 (1.60%) Mac OS X
7 11 (1.47%) Red Hat Enterprise Linux
8 10 (1.34%) Ubuntu
9 7 (0.94%) Windows Phone
10 6 (0.80%) webOS
10 6 (0.80%) VMS
11 4 (0.53%) Windows Phone 7
11 4 (0.53%) Windows 7
12 2 (0.27%) Windows Server 2012
12 2 (0.27%) Windows Server 2008
12 2 (0.27%) Windows Mobile
12 2 (0.27%) Embedded Linux
12 2 (0.27%) OpenVMS
12 2 (0.27%) Windows Server 2003
Processes & Methodologies
1 357 (47.73%) Agile Software Development
2 217 (29.01%) TDD
3 198 (26.47%) Scrum
4 171 (22.86%) OO
5 144 (19.25%) Continuous Integration
6 136 (18.18%) MVC
7 115 (15.37%) iOS Development
8 97 (12.97%) BDD
9 71 (9.49%) Web Development
9 71 (9.49%) Android Development
10 69 (9.22%) Software Engineering
11 56 (7.49%) Kanban
12 50 (6.68%) OOP
13 49 (6.55%) Unit Testing
14 48 (6.42%) Responsive Web Design
14 48 (6.42%) Test Automation
14 48 (6.42%) E-Commerce
15 46 (6.15%) SOA
15 46 (6.15%) Configuration Management
16 45 (6.02%) User Stories
Programming Languages
1 347 (46.39%) JavaScript
2 339 (45.32%) Java
3 121 (16.18%) SQL
4 113 (15.11%) C#
5 91 (12.17%) Ruby
6 76 (10.16%) PHP
7 75 (10.03%) Objective-C
8 62 (8.29%) Python
9 38 (5.08%) Scala
10 30 (4.01%) Shell Script
11 24 (3.21%) C++
12 23 (3.07%) C
13 12 (1.60%) Perl
14 10 (1.34%) Bash Shell
14 10 (1.34%) Groovy
14 10 (1.34%) PL/SQL
15 9 (1.20%) PHP5
16 8 (1.07%) VB.NET
17 7 (0.94%) T-SQL
17 7 (0.94%) Apex Code
Qualifications
1 68 (9.09%) Degree
2 14 (1.87%) Security Cleared
3 9 (1.20%) SC Cleared
4 5 (0.67%) ISEB
4 5 (0.67%) ISTQB
5 2 (0.27%) DV Cleared
5 2 (0.27%) Sun Certification
6 1 (0.13%) Network+ Certification
6 1 (0.13%) Postgraduate
6 1 (0.13%) PhD
Quality Assurance & Compliance
1 78 (10.43%) QA
2 2 (0.27%) HL7
3 1 (0.13%) WCAG
3 1 (0.13%) COBIT
System Software
1 7 (0.94%) Docker
2 5 (0.67%) Apache Flume
2 5 (0.67%) KVM
3 4 (0.53%) HDFS
4 3 (0.40%) VMware Infrastructure
4 3 (0.40%) vCloud
5 2 (0.27%) XenApp
5 2 (0.27%) XenDesktop
5 2 (0.27%) Active Directory
5 2 (0.27%) Firmware
5 2 (0.27%) Terminal Services
6 1 (0.13%) Hyper-V
6 1 (0.13%) Varnish
6 1 (0.13%) VMware ESXi
Systems Management
1 40 (5.35%) Puppet
2 15 (2.01%) Ansible
3 14 (1.87%) Opscode Chef
4 12 (1.60%) HP Quality Center
5 11 (1.47%) Vagrant
6 6 (0.80%) yum
7 2 (0.27%) Salt
7 2 (0.27%) Nagios
7 2 (0.27%) Control-M
8 1 (0.13%) Systems Management Server (SMS)
8 1 (0.13%) BladeLogic
8 1 (0.13%) ZABBIX
8 1 (0.13%) HAProxy
8 1 (0.13%) Mesos
8 1 (0.13%) Kibana
8 1 (0.13%) logstash
Vendors
1 87 (11.63%) Oracle
2 58 (7.75%) Microsoft
3 39 (5.21%) Google
4 34 (4.55%) Salesforce.com
5 22 (2.94%) Atlassian
6 19 (2.54%) Red Hat
7 14 (1.87%) Zend
7 14 (1.87%) Sybase
8 13 (1.74%) Adobe
9 11 (1.47%) SAP
9 11 (1.47%) Twitter
10 10 (1.34%) Apple
11 9 (1.20%) Facebook
12 8 (1.07%) Canoo
13 7 (0.94%) JD Edwards
13 7 (0.94%) Telerik
13 7 (0.94%) Xamarin
14 6 (0.80%) Ektron
14 6 (0.80%) HP
15 5 (0.67%) New Relic
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