The following table provides summary statistics for contract job vacancies advertised in Essex 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 28 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
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 17 47 59
Rank change year-on-year +30 +12  
Contract jobs citing JSON 60 11 4
As % of all contract IT jobs advertised in Essex 13.67% 2.28% 0.63%
As % of the Libraries, Frameworks & Software Standards category 28.99% 8.33% 2.29%
Number of daily rates quoted 40 8 0
Median daily rate £538 £450 -
Median daily rate % change year-on-year +19.44% -  
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 7 0 0
Median hourly rate £52.00 - -
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 Essex with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Essex
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 207 132 175
As % of all contract IT job vacancies advertised in Essex 47.15% 27.33% 27.43%
Number of daily rates quoted 130 69 90
Median daily rate £488 £313 £400
Median daily rate % change year-on-year +56.00% -21.87%  
90% offered a daily rate of more than £284 £220 £300
10% offered a daily rate of more than £613 £450 £475
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 13 19 11
Median hourly rate £41.50 £31.27 £40.60
Median hourly rate % change year-on-year +32.71% -22.98%  
90% offered a hourly rate of more than £35.00 £27.50 £37.45
10% offered a hourly rate of more than £62.50 £36.00 £45.90
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 Essex

The job posting trend of jobs advertised in Essex 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 Essex

JSON
Contractor Daily Rate Trend in Essex

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

Contractor daily rate trend for JSON in Essex

JSON
Contractor Daily Rate Histogram in Essex

The daily rate distribution of IT jobs citing JSON in Essex over the 3 months to 28 June 2017.

Contractor daily rate histogram for JSON in Essex

JSON
Contractor Hourly Rate Trend in Essex

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

Contractor hourly rate trend for JSON in Essex

JSON
Contractor Hourly Rate Histogram in Essex

The hourly rate distribution of IT jobs citing JSON in Essex over the 3 months to 28 June 2017.

Contractor hourly rate histogram for JSON in Essex

JSON
Contract Job Locations in Essex

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the Essex region over the 3 months to 28 June 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
Southend-on-Sea - 12 £510 -
Brentwood - 4 £450 - 1
Basildon - 3 - -
JSON
East of England

For the 6 months to 28 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 Essex region with a requirement for JSON.

1 85 (91.40%) XML
2 77 (82.80%) TDD
3 55 (59.14%) Agile Software Development
4 52 (55.91%) Manufacturing
5 50 (53.76%) Middleware
6 48 (51.61%) SOA
7 46 (49.46%) Java
7 46 (49.46%) Oracle
8 45 (48.39%) SAP
8 45 (48.39%) Business Intelligence
9 43 (46.24%) XSLT
9 43 (46.24%) XPath
10 42 (45.16%) WSO2
11 41 (44.09%) Marketing
11 41 (44.09%) SAP Oil and Gas
11 41 (44.09%) Programme Management
11 41 (44.09%) Digital Marketing
11 41 (44.09%) Electronics
11 41 (44.09%) Telecoms
11 41 (44.09%) Finance
12 40 (43.01%) Maven
13 38 (40.86%) Mule
13 38 (40.86%) Swagger
13 38 (40.86%) Greenfield Project
14 37 (39.78%) JavaScript
14 37 (39.78%) HTML
15 35 (37.63%) WireMock
15 35 (37.63%) Apache Camel
15 35 (37.63%) Oracle SOA Suite
15 35 (37.63%) Oracle Service Bus

JSON
Co-occurring IT Skills in Essex 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 38 (40.86%) Mule
2 35 (37.63%) Oracle Service Bus
2 35 (37.63%) Oracle SOA Suite
3 4 (4.30%) BizTalk Server
3 4 (4.30%) Confluence
3 4 (4.30%) SharePoint
3 4 (4.30%) Skype for Business
4 3 (3.23%) JBoss
4 3 (3.23%) WebLogic
Business Applications
1 41 (44.09%) SAP Oil and Gas
2 11 (11.83%) Adobe Campaign
2 11 (11.83%) Unica
3 6 (6.45%) Dynamics CRM
Cloud Services
1 24 (25.81%) GitHub
2 8 (8.60%) Adobe Analytics
3 4 (4.30%) Microsoft Azure
3 4 (4.30%) Office 365
3 4 (4.30%) Yammer
4 3 (3.23%) IaaS
4 3 (3.23%) PaaS
4 3 (3.23%) SaaS
Communications & Networking
1 6 (6.45%) HTTP
2 5 (5.38%) SSL
3 3 (3.23%) TCP/IP
Database & Business Intelligence
1 10 (10.75%) BusinessObjects
2 8 (8.60%) Hadoop
3 4 (4.30%) SQL Server
4 3 (3.23%) NoSQL
4 3 (3.23%) RDBMS
4 3 (3.23%) Relational Database
Development Applications
1 40 (43.01%) Maven
2 34 (36.56%) Jenkins
3 29 (31.18%) JUnit
4 16 (17.20%) Gradle
5 15 (16.13%) Calabash
6 14 (15.05%) SoapUI
7 13 (13.98%) Git (software)
8 9 (9.68%) Subversion
8 9 (9.68%) Xcode
9 6 (6.45%) Android Studio
10 5 (5.38%) JIRA
11 4 (4.30%) Cucumber
11 4 (4.30%) JMeter
General
1 52 (55.91%) Manufacturing
2 41 (44.09%) Electronics
2 41 (44.09%) Finance
2 41 (44.09%) Marketing
2 41 (44.09%) Telecoms
3 12 (12.90%) Automotive
4 5 (5.38%) Retail
Job Titles
1 77 (82.80%) Developer
2 33 (35.48%) SOA Developer
3 32 (34.41%) Agile Developer
3 32 (34.41%) Integration Developer
4 16 (17.20%) Android Developer
5 9 (9.68%) CRM Developer
5 9 (9.68%) iOS Developer
5 9 (9.68%) Senior Developer
6 8 (8.60%) Analyst
6 8 (8.60%) Middleware Developer
6 8 (8.60%) Test Analyst
7 7 (7.53%) Lead Developer
8 6 (6.45%) Architect
8 6 (6.45%) Senior Agile Developer
8 6 (6.45%) Technical Architect
9 5 (5.38%) Senior Analyst
9 5 (5.38%) Senior Test Analyst
10 4 (4.30%) Java Developer
11 3 (3.23%) Agile Test Analyst
11 3 (3.23%) SOA Architect
Libraries, Frameworks & Software Standards
1 85 (91.40%) XML
2 50 (53.76%) Middleware
3 43 (46.24%) XSLT
4 38 (40.86%) Swagger
5 37 (39.78%) HTML
6 35 (37.63%) Apache Camel
6 35 (37.63%) WireMock
7 34 (36.56%) RESTful
8 24 (25.81%) Core Animation
8 24 (25.81%) Core Data
9 21 (22.58%) SOAP
10 16 (17.20%) Android SDK
11 13 (13.98%) WSDL
12 12 (12.90%) CSS
12 12 (12.90%) Web Services
13 11 (11.83%) JSON Schema
14 9 (9.68%) Cocoa
14 9 (9.68%) iOS SDK
14 9 (9.68%) iPhone SDK
14 9 (9.68%) XSD
Miscellaneous
1 38 (40.86%) Greenfield Project
2 24 (25.81%) Animation
3 22 (23.66%) Mobile App
4 9 (9.68%) iPhone
5 1 (1.08%) Computer Science
5 1 (1.08%) Device Driver
5 1 (1.08%) Digital TV
5 1 (1.08%) Embedded Systems
5 1 (1.08%) Enterprise Software
5 1 (1.08%) STB
Operating Systems
1 20 (21.51%) Unix
2 16 (17.20%) Android
3 14 (15.05%) Linux
4 9 (9.68%) Apple iOS
5 7 (7.53%) Mac OS X
5 7 (7.53%) Windows
6 3 (3.23%) AIX
6 3 (3.23%) HPUX
6 3 (3.23%) Solaris
Processes & Methodologies
1 77 (82.80%) TDD
2 55 (59.14%) Agile Software Development
3 48 (51.61%) SOA
4 45 (48.39%) Business Intelligence
5 41 (44.09%) Digital Marketing
5 41 (44.09%) Programme Management
6 30 (32.26%) Continuous Integration
7 25 (26.88%) MVC
7 25 (26.88%) Pair Programming
8 24 (25.81%) OOA/OOD
8 24 (25.81%) OOD
8 24 (25.81%) Push Notifications
9 18 (19.35%) Scrum
10 16 (17.20%) Android Development
11 12 (12.90%) Test Automation
12 11 (11.83%) CRM
13 10 (10.75%) B2C
14 9 (9.68%) Analytics
14 9 (9.68%) iOS Development
15 7 (7.53%) Kanban
Programming Languages
1 46 (49.46%) Java
2 43 (46.24%) XPath
3 37 (39.78%) JavaScript
4 15 (16.13%) PHP
4 15 (16.13%) SQL
5 10 (10.75%) C++
6 9 (9.68%) Apple Swift
6 9 (9.68%) Objective-C
7 8 (8.60%) Groovy
8 3 (3.23%) PL/SQL
8 3 (3.23%) Ruby
9 1 (1.08%) C
9 1 (1.08%) Python
Qualifications
1 4 (4.30%) Degree
2 2 (2.15%) BPSS Clearance
3 1 (1.08%) Computer Science Degree
Quality Assurance & Compliance
1 1 (1.08%) QA
Systems Management
1 8 (8.60%) Ansible
2 3 (3.23%) Opscode Chef
2 3 (3.23%) Puppet
Vendors
1 46 (49.46%) Oracle
2 45 (48.39%) SAP
3 42 (45.16%) WSO2
4 11 (11.83%) Adobe
5 6 (6.45%) Salesforce.com
6 4 (4.30%) Infor
6 4 (4.30%) Microsoft
7 3 (3.23%) webMethods
8 1 (1.08%) HP
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