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 contractor rates offered in IT contracts that have cited JSON over the 3 months to 19 January 2017 with a comparison to the same period over 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.

3 months to
19 Jan 2017
Same period 2016 Same period 2015
JSON
London / City of London
Rank 84 105 99
Rank change year-on-year
+21 -6
Contract jobs citing JSON 71 42 94
As % of all contract IT jobs located in the City of London 2.42% 1.38% 1.83%
As % of the Libraries, Frameworks & Software Standards category 6.60% 4.28% 6.06%
Number of daily rates quoted 61 36 73
Median daily rate £450 £469 £400
Median daily rate % change year-on-year
-4.00% +17.18%
90% offered a daily rate of more than £345 £308 £313
10% offered a daily rate of more than £600 £600 £460
UK excluding London median daily rate £420 £400 £375
% change year-on-year
+5.00% +6.66%
Number of hourly rates quoted 0 1 0
Median hourly rate - £20.50 -
UK excluding London median hourly rate £32.50 £55.00 £37.50
% change year-on-year
-40.90% +46.66%

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
1075 981 1551
As % of all contract IT jobs located in the City of London 36.68% 32.13% 30.25%
Number of daily rates quoted 897 817 1252
Median daily rate £475 £450 £425
Median daily rate % change year-on-year
+5.55% +5.88%
90% offered a daily rate of more than £350 £325 £300
10% offered a daily rate of more than £613 £600 £600
UK excluding London median daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 0 6 3
Median hourly rate - £52.50 £19.50
Median hourly rate % change year-on-year
- +169.23%
UK excluding London median hourly rate £37.50 £37.50 £33.50
% change year-on-year
- +11.94%

JSON
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing JSON as a proportion of all IT contracts with a match in 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 19 January 2017.

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 19 January 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 City of London region with a requirement for JSON.

1 118 (65.56%) Agile Software Development
2 89 (49.44%) HTML
3 84 (46.67%) Java
4 82 (45.56%) REST
5 79 (43.89%) JavaScript
6 78 (43.33%) CSS
6 78 (43.33%) TDD
7 76 (42.22%) XML
8 73 (40.56%) Jenkins
9 58 (32.22%) Python
10 57 (31.67%) HTTP
11 51 (28.33%) BDD
12 50 (27.78%) SQL
13 49 (27.22%) MVC
14 48 (26.67%) Microservices
15 47 (26.11%) Web Services
16 46 (25.56%) Scrum
16 46 (25.56%) DevOps
17 44 (24.44%) Ajax
18 43 (23.89%) HTML5
18 43 (23.89%) Git (software)
19 41 (22.78%) Amazon AWS
19 41 (22.78%) jQuery
20 40 (22.22%) High Availability
21 39 (21.67%) Microsoft Azure
21 39 (21.67%) C
22 38 (21.11%) Kafka
23 36 (20.00%) Pair Programming
23 36 (20.00%) Spring
24 34 (18.89%) Public Cloud

JSON
Top Related IT Skills in the City of London 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 10 (5.56%) Elasticsearch
2 8 (4.44%) JBoss
3 7 (3.89%) Apache Spark
4 6 (3.33%) IIS
5 5 (2.78%) WebLogic
6 4 (2.22%) Apache Solr
6 4 (2.22%) OpenStack
6 4 (2.22%) Tomcat
7 3 (1.67%) Adobe Experience Manager
7 3 (1.67%) Apache
7 3 (1.67%) Confluence
7 3 (1.67%) Mule
8 2 (1.11%) BizTalk Server
8 2 (1.11%) CMS
8 2 (1.11%) Drupal
8 2 (1.11%) Oracle SOA Suite
8 2 (1.11%) WebSphere
8 2 (1.11%) WildFly
9 1 (0.56%) Oracle Workflow
9 1 (0.56%) SharePoint 2010
Applications
1 4 (2.22%) MS Excel
2 2 (1.11%) FrameMaker
3 1 (0.56%) Adobe Illustrator
3 1 (0.56%) Photoshop
Business Applications
1 3 (1.67%) Workday HCM
2 1 (0.56%) Adobe Campaign
Cloud Services
1 41 (22.78%) Amazon AWS
2 39 (21.67%) Microsoft Azure
3 8 (4.44%) Cloud Computing
4 3 (1.67%) Amazon Kinesis
4 3 (1.67%) GitHub
5 2 (1.11%) Google Play
5 2 (1.11%) IaaS
6 1 (0.56%) Amazon S3
6 1 (0.56%) G Suite
6 1 (0.56%) Google Cloud Platform
6 1 (0.56%) Google Compute Engine
6 1 (0.56%) PaaS
6 1 (0.56%) SaaS
Communications & Networking
1 57 (31.67%) HTTP
2 30 (16.67%) MQTT
2 30 (16.67%) RTSP
3 10 (5.56%) DNS
3 10 (5.56%) SSL
4 8 (4.44%) Internet
5 5 (2.78%) AMQP
6 4 (2.22%) Intranet
6 4 (2.22%) TCP/IP
7 2 (1.11%) Bluetooth
7 2 (1.11%) SMTP
8 1 (0.56%) Asterisk PBX
8 1 (0.56%) DHCP
8 1 (0.56%) F5 BIG-IP GTM
8 1 (0.56%) F5 BIG-IP LTM
8 1 (0.56%) Firewall
8 1 (0.56%) LDAP
Database & Business Intelligence
1 18 (10.00%) MySQL
2 14 (7.78%) MongoDB
2 14 (7.78%) PostgreSQL
2 14 (7.78%) SQL Server
3 13 (7.22%) NoSQL
4 11 (6.11%) Apache Cassandra
5 10 (5.56%) Relational Database
6 9 (5.00%) Big Data
7 7 (3.89%) Hadoop
8 5 (2.78%) CouchDB
8 5 (2.78%) Oracle Database
9 4 (2.22%) MariaDB
9 4 (2.22%) Oracle Database 11g
9 4 (2.22%) RDBMS
10 3 (1.67%) Apache Hive
10 3 (1.67%) Parquet
11 2 (1.11%) Oracle Database 10g
11 2 (1.11%) SQL Server 2012
11 2 (1.11%) SQL Server 2014
11 2 (1.11%) SQL Server 2016
Development Applications
1 73 (40.56%) Jenkins
2 43 (23.89%) Git (software)
3 31 (17.22%) Maven
4 25 (13.89%) JIRA
5 19 (10.56%) Selenium
6 18 (10.00%) webpack
7 17 (9.44%) Subversion
8 15 (8.33%) Cucumber
9 13 (7.22%) Hudson
10 12 (6.67%) Grunt
10 12 (6.67%) Protractor
11 11 (6.11%) Jasmine
12 10 (5.56%) Bower
12 10 (5.56%) gulp
13 9 (5.00%) JSHint
13 9 (5.00%) JUnit
13 9 (5.00%) Karma Test Runner
13 9 (5.00%) QUnit
14 8 (4.44%) CruiseControl
14 8 (4.44%) Visual Studio
General
1 28 (15.56%) Finance
2 18 (10.00%) Banking
3 7 (3.89%) Retail
4 5 (2.78%) Advertising
4 5 (2.78%) Marketing
5 3 (1.67%) Front Office
5 3 (1.67%) Investment Banking
5 3 (1.67%) Law
6 2 (1.11%) Games
7 1 (0.56%) Legal
Job Titles
1 135 (75.00%) Developer
2 63 (35.00%) Java Developer
3 48 (26.67%) Senior Developer
4 39 (21.67%) Senior Java Developer
5 18 (10.00%) Architect
6 15 (8.33%) Front End Developer (Client-Side Developer)
7 14 (7.78%) AWS Developer
8 12 (6.67%) Agile Developer
8 12 (6.67%) Agile Java Developer
8 12 (6.67%) Senior Agile Developer
8 12 (6.67%) Senior Agile Java Developer
9 9 (5.00%) C# Developer
9 9 (5.00%) JavaScript Developer
10 8 (4.44%) .NET Developer
10 8 (4.44%) Full Stack Developer
10 8 (4.44%) iOS Developer
10 8 (4.44%) Solutions Architect
10 8 (4.44%) Web Developer
11 7 (3.89%) Front End Web Developer (Client-Side Developer)
12 6 (3.33%) UI Developer
Libraries, Frameworks & Software Standards
1 89 (49.44%) HTML
2 82 (45.56%) REST
3 78 (43.33%) CSS
4 76 (42.22%) XML
5 47 (26.11%) Web Services
6 44 (24.44%) Ajax
7 43 (23.89%) HTML5
8 41 (22.78%) jQuery
9 38 (21.11%) Kafka
10 36 (20.00%) Spring
11 34 (18.89%) CSS3
12 33 (18.33%) Protocol Buffers
13 30 (16.67%) AngularJS
14 29 (16.11%) .NET
15 26 (14.44%) SOAP
16 25 (13.89%) RESTful
17 23 (12.78%) Hibernate
18 21 (11.67%) React
19 20 (11.11%) JSP
19 20 (11.11%) Sass
Miscellaneous
1 34 (18.89%) Public Cloud
2 30 (16.67%) Video on Demand
3 14 (7.78%) Streaming Video
4 13 (7.22%) User Experience
5 12 (6.67%) Analytical Skills
6 10 (5.56%) Inversion of Control
7 9 (5.00%) Computer Science
7 9 (5.00%) Graphic Design
8 5 (2.78%) Enterprise Software
8 5 (2.78%) Management Information System
9 4 (2.22%) Blackberry
9 4 (2.22%) Data Integration
9 4 (2.22%) iPhone
9 4 (2.22%) Semantic Web
10 3 (1.67%) Blog
10 3 (1.67%) iPad
10 3 (1.67%) Mathematics
10 3 (1.67%) Mobile App
10 3 (1.67%) Physics
10 3 (1.67%) Wiki
Operating Systems
1 32 (17.78%) Linux
2 18 (10.00%) Apple iOS
3 17 (9.44%) Windows
4 15 (8.33%) Unix
5 14 (7.78%) Android
6 5 (2.78%) CentOS
6 5 (2.78%) Windows Server
7 4 (2.22%) Ubuntu
7 4 (2.22%) webOS
7 4 (2.22%) Windows Phone
7 4 (2.22%) Windows Phone 7
8 3 (1.67%) Red Hat Enterprise Linux
9 1 (0.56%) FreeBSD
9 1 (0.56%) Mac OS X
9 1 (0.56%) Mac OS X Server
Processes & Methodologies
1 118 (65.56%) Agile Software Development
2 78 (43.33%) TDD
3 51 (28.33%) BDD
4 49 (27.22%) MVC
5 48 (26.67%) Microservices
6 46 (25.56%) DevOps
6 46 (25.56%) Scrum
7 40 (22.22%) High Availability
8 36 (20.00%) Pair Programming
9 29 (16.11%) Continuous Integration
10 27 (15.00%) OO
11 17 (9.44%) Unit Testing
11 17 (9.44%) Web Development
12 16 (8.89%) Continuous Delivery
13 15 (8.33%) Kanban
14 13 (7.22%) Configuration Management
15 12 (6.67%) Dependency Injection
15 12 (6.67%) Open Source
15 12 (6.67%) Responsive Web Design
16 11 (6.11%) iOS Development
Programming Languages
1 84 (46.67%) Java
2 79 (43.89%) JavaScript
3 58 (32.22%) Python
4 50 (27.78%) SQL
5 39 (21.67%) C
6 28 (15.56%) C#
7 27 (15.00%) PHP
8 19 (10.56%) Ruby
9 15 (8.33%) Shell Script
10 12 (6.67%) Bash Shell
10 12 (6.67%) Scala
11 10 (5.56%) T-SQL
12 9 (5.00%) PL/SQL
13 7 (3.89%) Objective-C
13 7 (3.89%) Perl
14 6 (3.33%) Apple Swift
15 5 (2.78%) PowerShell
16 4 (2.22%) XPath
17 3 (1.67%) Groovy
17 3 (1.67%) R
Qualifications
1 10 (5.56%) Degree
2 8 (4.44%) Security Cleared
3 6 (3.33%) SC Cleared
4 1 (0.56%) DV Cleared
Quality Assurance & Compliance
1 6 (3.33%) QA
2 2 (1.11%) HL7
3 1 (0.56%) SDET
System Software
1 4 (2.22%) Docker
2 1 (0.56%) Active Directory
2 1 (0.56%) Ceph
2 1 (0.56%) GlusterFS
2 1 (0.56%) VirtualBox
2 1 (0.56%) VMware ESXi
2 1 (0.56%) VMware Infrastructure
Systems Management
1 5 (2.78%) Puppet
2 4 (2.22%) Ansible
3 2 (1.11%) MOM
4 1 (0.56%) Cacti
4 1 (0.56%) Casper Suite
4 1 (0.56%) Marathon
4 1 (0.56%) Mesos
4 1 (0.56%) Norton AntiVirus
4 1 (0.56%) Opscode Chef
4 1 (0.56%) SCCM
4 1 (0.56%) Symantec Endpoint Protection
4 1 (0.56%) ZABBIX
Vendors
1 20 (11.11%) Oracle
2 9 (5.00%) Google
3 8 (4.44%) TIBCO
4 7 (3.89%) Adobe
5 5 (2.78%) Red Hat
6 4 (2.22%) Apple
7 3 (1.67%) Microsoft
7 3 (1.67%) MuleSoft
7 3 (1.67%) Teradata
7 3 (1.67%) Workday
7 3 (1.67%) WorldPay
8 2 (1.11%) Apiary
8 2 (1.11%) Atlassian
8 2 (1.11%) IBM
8 2 (1.11%) Solace
8 2 (1.11%) Sybase
9 1 (0.56%) F5
9 1 (0.56%) Sage
9 1 (0.56%) Splunk
9 1 (0.56%) Symantec
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