The following table provides summary statistics for contract job vacancies advertised in the South East 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
England / South East
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 103 126 163
Rank change year-on-year +23 +37  
Contract jobs citing JSON 160 147 106
As % of all contract IT jobs advertised in the South East 2.03% 1.57% 1.08%
As % of the Libraries, Frameworks & Software Standards category 7.60% 6.59% 4.56%
Number of daily rates quoted 113 83 72
Median daily rate £425 £400 £340
Median daily rate % change year-on-year +6.25% +17.64%  
90% offered a daily rate of more than £338 £325 £275
10% offered a daily rate of more than £520 £508 £468
UK excluding London median daily rate £411 £375 £350
% change year-on-year +9.66% +7.14%  
Number of hourly rates quoted 2 0 1
Median hourly rate £42.75 - £40.00
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 the South East with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
South East
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 2105 2232 2323
As % of all contract IT job vacancies advertised in the South East 26.75% 23.89% 23.62%
Number of daily rates quoted 1265 1500 1347
Median daily rate £400 £360 £350
Median daily rate % change year-on-year +11.11% +2.85%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £512 £495 £450
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 46 50 50
Median hourly rate £43.00 £38.00 £35.00
Median hourly rate % change year-on-year +13.15% +8.57%  
90% offered a hourly rate of more than £15.00 £11.00 £15.75
10% offered a hourly rate of more than £67.89 £60.62 £42.50
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 the South East

The job posting trend of jobs advertised in the South East 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 the South East

JSON
Contractor Daily Rate Trend in the South East

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

Contractor daily rate trend for JSON in the South East

JSON
Contractor Daily Rate Histogram in the South East

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

Contractor daily rate histogram for JSON in the South East

JSON
Contractor Hourly Rate Trend in the South East

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

Contractor hourly rate trend for JSON in the South East

JSON
Contract Job Locations in the South East

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the South East region over the 3 months to 29 March 2017. 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 Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Surrey +18 31 £425 +6.25% 8
West Sussex -22 30 £488 +21.87% 3
Berkshire +25 24 £425 +6.25% 11
Kent +25 20 £338 +3.84% 3
Oxfordshire 0 18 £500 +17.64% 6
Buckinghamshire +7 15 £369 -29.76% 1
Hampshire +11 14 £344 -8.33% 15
Middlesex +5 3 £350 -31.70%
Sussex +1 1 - - 1
East Sussex - 1 - - 1
JSON
England

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 South East region with a requirement for JSON.

1 181 (61.56%) Agile Software Development
2 153 (52.04%) XML
3 147 (50.00%) Java
4 131 (44.56%) REST
5 107 (36.39%) JavaScript
6 102 (34.69%) CSS
7 98 (33.33%) HTML
8 96 (32.65%) Web Services
8 96 (32.65%) TDD
9 92 (31.29%) SQL
10 86 (29.25%) Linux
11 77 (26.19%) Git (software)
12 67 (22.79%) C#
13 63 (21.43%) RESTful
14 62 (21.09%) Jenkins
15 61 (20.75%) Open Source
16 60 (20.41%) HTML5
16 60 (20.41%) Scrum
17 59 (20.07%) Ruby
18 55 (18.71%) Python
19 53 (18.03%) Continuous Integration
20 51 (17.35%) .NET
20 51 (17.35%) Spring
21 50 (17.01%) SOAP
21 50 (17.01%) CSS3
21 50 (17.01%) MongoDB
22 47 (15.99%) Scala
22 47 (15.99%) OO
23 46 (15.65%) MVC
23 46 (15.65%) NoSQL

JSON
Co-occurring IT Skills in the South East 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 31 (10.54%) CMS
2 27 (9.18%) Apache
3 22 (7.48%) Tomcat
4 19 (6.46%) JBoss
5 18 (6.12%) Sitecore CMS
6 16 (5.44%) Confluence
7 14 (4.76%) Drupal
8 10 (3.40%) WebLogic
9 9 (3.06%) WordPress
10 8 (2.72%) WebSphere
11 7 (2.38%) Apache Spark
12 5 (1.70%) nginx
13 4 (1.36%) Elasticsearch
13 4 (1.36%) Oracle SOA Suite
14 3 (1.02%) Cloud Foundry
14 3 (1.02%) Commerce Server
14 3 (1.02%) GemFire
14 3 (1.02%) IBM HTTP Server
14 3 (1.02%) WebSphere Application Server
15 2 (0.68%) IIS
Applications
1 3 (1.02%) GIMP
1 3 (1.02%) MS Excel
2 1 (0.34%) MS Office
2 1 (0.34%) Photoshop
Business Applications
1 7 (2.38%) Magento
2 3 (1.02%) Fredhopper
3 2 (0.68%) Oracle BPM
4 1 (0.34%) BusinessWorks
4 1 (0.34%) Dynamics CRM
4 1 (0.34%) Salesforce.com CRM
4 1 (0.34%) SAP Oil and Gas
4 1 (0.34%) SAP R/3
Cloud Services
1 33 (11.22%) Amazon AWS
2 8 (2.72%) PaaS
3 7 (2.38%) GitHub
4 6 (2.04%) Microsoft Azure
5 4 (1.36%) Google Analytics
5 4 (1.36%) OpenShift
6 1 (0.34%) Amazon EC2
6 1 (0.34%) Asana
6 1 (0.34%) Cloud Computing
6 1 (0.34%) SaaS
Communications & Networking
1 42 (14.29%) HTTP
2 13 (4.42%) SSL
3 8 (2.72%) Internet
4 4 (1.36%) HTTPS
4 4 (1.36%) TCP/IP
5 2 (0.68%) DNS
5 2 (0.68%) Intranet
6 1 (0.34%) AMQP
6 1 (0.34%) Broadband
6 1 (0.34%) DHCP
6 1 (0.34%) Firewall
6 1 (0.34%) FTP
6 1 (0.34%) IPv6
6 1 (0.34%) Skype
Database & Business Intelligence
1 50 (17.01%) MongoDB
2 46 (15.65%) NoSQL
3 27 (9.18%) Relational Database
3 27 (9.18%) SQL Server
4 19 (6.46%) MySQL
5 14 (4.76%) Hadoop
6 10 (3.40%) Big Data
6 10 (3.40%) PostgreSQL
7 9 (3.06%) DB2
7 9 (3.06%) Oracle Database
8 7 (2.38%) RDBMS
9 6 (2.04%) Data Warehouse
10 5 (1.70%) Apache Hive
11 3 (1.02%) Apache Cassandra
11 3 (1.02%) HBase
11 3 (1.02%) OLTP
11 3 (1.02%) SQL Server 2005
12 2 (0.68%) Impala
12 2 (0.68%) Oracle Database 11g
13 1 (0.34%) Redis
Development Applications
1 77 (26.19%) Git (software)
2 62 (21.09%) Jenkins
3 40 (13.61%) Team Foundation Server
4 39 (13.27%) Selenium
5 34 (11.56%) JUnit
6 33 (11.22%) Maven
7 29 (9.86%) JIRA
8 25 (8.50%) Ant
8 25 (8.50%) IntelliJ
9 24 (8.16%) Gradle
9 24 (8.16%) WebDriver
10 22 (7.48%) Eclipse
11 21 (7.14%) JMeter
12 20 (6.80%) Bitbucket
13 18 (6.12%) eggPlant
14 17 (5.78%) Apache Ivy
15 16 (5.44%) Subversion
16 13 (4.42%) Cucumber
17 12 (4.08%) gulp
18 10 (3.40%) Grunt
General
1 15 (5.10%) Finance
2 13 (4.42%) Banking
3 10 (3.40%) Publishing
4 8 (2.72%) Retail
5 7 (2.38%) Games
6 2 (0.68%) Marketing
6 2 (0.68%) Telecoms
7 1 (0.34%) Arabic Language
7 1 (0.34%) Electronics
7 1 (0.34%) French Language
7 1 (0.34%) German Language
7 1 (0.34%) Italian Language
7 1 (0.34%) Legal
7 1 (0.34%) Manufacturing
7 1 (0.34%) Military
7 1 (0.34%) Multimedia
7 1 (0.34%) Spanish Language
Job Titles
1 240 (81.63%) Developer
2 57 (19.39%) Java Developer
3 46 (15.65%) .NET Developer
3 46 (15.65%) JavaScript Developer
4 37 (12.59%) Scala Developer
5 29 (9.86%) C# Developer
6 28 (9.52%) C# .NET Developer
7 25 (8.50%) Node.js Developer
8 16 (5.44%) Java Scala Developer
8 16 (5.44%) Programmer
9 14 (4.76%) Agile Developer
9 14 (4.76%) Developer in Test
9 14 (4.76%) Front End Developer (Client-Side Developer)
9 14 (4.76%) HTML Developer
10 13 (4.42%) E-Commerce Developer
10 13 (4.42%) MongoDB Developer
11 12 (4.08%) Senior Developer
11 12 (4.08%) Web Developer
12 11 (3.74%) Android Developer
12 11 (3.74%) Linux Developer
Libraries, Frameworks & Software Standards
1 153 (52.04%) XML
2 131 (44.56%) REST
3 102 (34.69%) CSS
4 98 (33.33%) HTML
5 96 (32.65%) Web Services
6 63 (21.43%) RESTful
7 60 (20.41%) HTML5
8 51 (17.35%) .NET
8 51 (17.35%) Spring
9 50 (17.01%) CSS3
9 50 (17.01%) SOAP
10 41 (13.95%) Node.js
11 40 (13.61%) .NET Framework
11 40 (13.61%) Play Framework
12 38 (12.93%) Entity Framework
13 36 (12.24%) LINQ
14 35 (11.90%) AngularJS
15 33 (11.22%) jQuery
16 31 (10.54%) LINQ to SQL
17 30 (10.20%) Ajax
Miscellaneous
1 27 (9.18%) User Experience
2 25 (8.50%) Algorithms
3 23 (7.82%) Mobile App
4 21 (7.14%) Computer Science
5 20 (6.80%) Analytical Skills
6 8 (2.72%) Linux Command Line
7 4 (1.36%) Enterprise Software
8 2 (0.68%) iPhone
8 2 (0.68%) Online Banking
8 2 (0.68%) Virtual Team
9 1 (0.34%) Digital TV
9 1 (0.34%) Graphic Design
9 1 (0.34%) Management Information System
9 1 (0.34%) Mobile Banking
9 1 (0.34%) Private Cloud
9 1 (0.34%) Replication
9 1 (0.34%) Smart Home
9 1 (0.34%) Smart Meter
9 1 (0.34%) Social Media
9 1 (0.34%) W3C
Operating Systems
1 86 (29.25%) Linux
2 41 (13.95%) Unix
3 33 (11.22%) Windows
4 19 (6.46%) Android
5 13 (4.42%) Apple iOS
6 7 (2.38%) Windows Server 2008
7 6 (2.04%) Red Hat Enterprise Linux
8 4 (1.36%) Ubuntu
9 3 (1.02%) AIX
10 1 (0.34%) Windows Server
Processes & Methodologies
1 181 (61.56%) Agile Software Development
2 96 (32.65%) TDD
3 61 (20.75%) Open Source
4 60 (20.41%) Scrum
5 53 (18.03%) Continuous Integration
6 47 (15.99%) OO
7 46 (15.65%) Microservices
7 46 (15.65%) MVC
8 43 (14.63%) Automated Testing
9 35 (11.90%) BDD
9 35 (11.90%) Multithreading
10 33 (11.22%) Multithreaded Programming
11 32 (10.88%) Concurrent Programming
11 32 (10.88%) DevOps
12 30 (10.20%) E-Commerce
13 27 (9.18%) Continuous Delivery
13 27 (9.18%) Data Management
13 27 (9.18%) Web Development
14 26 (8.84%) Test Automation
15 23 (7.82%) Pair Programming
Programming Languages
1 147 (50.00%) Java
2 107 (36.39%) JavaScript
3 92 (31.29%) SQL
4 67 (22.79%) C#
5 59 (20.07%) Ruby
6 55 (18.71%) Python
7 47 (15.99%) Scala
8 24 (8.16%) Groovy
9 15 (5.10%) C++
9 15 (5.10%) Shell Script
10 13 (4.42%) PHP
11 10 (3.40%) Bash Shell
12 9 (3.06%) Objective-C
13 8 (2.72%) Apple Swift
13 8 (2.72%) PowerShell
14 7 (2.38%) Perl
15 5 (1.70%) Haskell
16 4 (1.36%) T-SQL
17 2 (0.68%) PL/SQL
17 2 (0.68%) VB.NET
Qualifications
1 21 (7.14%) Degree
2 9 (3.06%) Security Cleared
3 6 (2.04%) SC Cleared
4 3 (1.02%) DV Cleared
5 2 (0.68%) ISTQB
6 1 (0.34%) ISEB
Quality Assurance & Compliance
1 16 (5.44%) QA
2 5 (1.70%) WCAG
3 3 (1.02%) PCI DSS
4 1 (0.34%) Disclosure Scotland
4 1 (0.34%) IFRS
4 1 (0.34%) IFRS 9
4 1 (0.34%) Sarbanes-Oxley
4 1 (0.34%) SDET
System Software
1 35 (11.90%) Docker
2 8 (2.72%) Active Directory
3 4 (1.36%) Apache ZooKeeper
4 2 (0.68%) HDFS
Systems Management
1 32 (10.88%) Puppet
2 9 (3.06%) Ansible
3 8 (2.72%) Opscode Chef
4 7 (2.38%) Kibana
5 5 (1.70%) HP Fortify
5 5 (1.70%) logstash
6 4 (1.36%) Grafana
6 4 (1.36%) Marathon
6 4 (1.36%) Mesos
7 3 (1.02%) Hadoop YARN
7 3 (1.02%) Terraform
8 1 (0.34%) Kubernetes
8 1 (0.34%) Oozie
Vendors
1 21 (7.14%) Splunk
2 18 (6.12%) Sitecore
3 17 (5.78%) Google
4 16 (5.44%) Oracle
5 9 (3.06%) IBM
6 8 (2.72%) Red Hat
7 7 (2.38%) Talend
7 7 (2.38%) webMethods
8 6 (2.04%) Apple
8 6 (2.04%) Microsoft
9 5 (1.70%) HP
9 5 (1.70%) Jaspersoft
10 3 (1.02%) Adobe
10 3 (1.02%) AppDynamics
10 3 (1.02%) Atlassian
11 2 (0.68%) Redback
11 2 (0.68%) SAP
11 2 (0.68%) Telerik
11 2 (0.68%) TIBCO
12 1 (0.34%) Salesforce.com
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