The table below looks at the statistics for JNI skills in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited JNI over the 3 months to 5 May 2016 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
5 May 2016
Same period 2015 Same period 2014
Java Native Interface (JNI)
Rank 652 629 613
Rank change year-on-year
-23 -16
Contract jobs citing JNI 1 11 3
As % of all contract IT jobs located in the UK 0.002% 0.020% 0.006%
As % of the Libraries, Frameworks & Software Standards category 0.007% 0.073% 0.020%
Number of daily rates quoted 1 9 3
Median daily rate £650 £650 £380
Median daily rate % change year-on-year
- +71.05%
UK excluding London median daily rate - - £360
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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

Libraries, Frameworks & Software Standards Category
UK
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
15280 14977 14864
As % of all contract IT jobs located in the UK 27.51% 26.85% 27.28%
Number of daily rates quoted 10694 9690 9758
Median daily rate £413 £388 £375
Median daily rate % change year-on-year
+6.45% +3.33%
90% offered a daily rate of more than £300 £275 £265
10% offered a daily rate of more than £575 £550 £525
UK excluding London median daily rate £375 £350 £338
% change year-on-year
+7.14% +3.70%
Number of hourly rates quoted 181 200 202
Median hourly rate £33.50 £35.00 £35.00
Median hourly rate % change year-on-year
-4.28% -
90% offered a hourly rate of more than £11.00 £17.64 £18.55
10% offered a hourly rate of more than £48.10 £47.00 £55.00
UK excluding London median hourly rate £35.00 £37.50 £35.00
% change year-on-year
-6.66% +7.14%

JNI
Jobs Demand Trend

The demand trend of contract jobs citing JNI as a proportion of all IT contracts with a match in the Libraries, Frameworks & Software Standards category.

JNI Jobs Demand Trend in the UK

JNI
Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing JNI within the UK.

JNI Daily Rate Trend in the UK

JNI
Hourly Rate Trend

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing JNI within the UK.

JNI Hourly Rate Trend in the UK

JNI
Top 2 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JNI within the UK over the 3 months to 5 May 2016. 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
(Click see detailed
statistics and trends)
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
London -6 1 £650 - 5
England -33 1 £650 - 6

JNI
Top 30 Related IT Skills

For the 6 months to 5 May 2016, IT contractor jobs citing JNI also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for JNI.

1 8 (100.00%) Java
2 7 (87.50%) Scrum
3 6 (75.00%) Maven
4 5 (62.50%) Android
4 5 (62.50%) Android Development
4 5 (62.50%) Android NDK
5 4 (50.00%) Mockito
5 4 (50.00%) REST
5 4 (50.00%) Robotium
5 4 (50.00%) Gradle
5 4 (50.00%) Artifactory
5 4 (50.00%) Unit Testing
5 4 (50.00%) User Stories
5 4 (50.00%) Android SDK
5 4 (50.00%) Appium
5 4 (50.00%) RoboGuice
5 4 (50.00%) Sonatype Nexus
5 4 (50.00%) Git (software)
5 4 (50.00%) Test Automation
5 4 (50.00%) Dependency Injection
5 4 (50.00%) JSON
5 4 (50.00%) Automated Testing
5 4 (50.00%) Agile Software Development
5 4 (50.00%) Subversion
5 4 (50.00%) Publishing
5 4 (50.00%) OOP
5 4 (50.00%) OO
5 4 (50.00%) Ant
6 3 (37.50%) J2EE
6 3 (37.50%) XML

JNI
Top Related IT Skills 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 2 (25.00%) Apache
2 1 (12.50%) WebLogic
2 1 (12.50%) WebSphere
Business Applications
1 1 (12.50%) Murex MxG2000
Development Applications
1 6 (75.00%) Maven
2 4 (50.00%) Ant
2 4 (50.00%) Appium
2 4 (50.00%) Artifactory
2 4 (50.00%) Git (software)
2 4 (50.00%) Gradle
2 4 (50.00%) Mockito
2 4 (50.00%) Robotium
2 4 (50.00%) Sonatype Nexus
2 4 (50.00%) Subversion
3 3 (37.50%) Atlassian Bamboo
3 3 (37.50%) Jenkins
3 3 (37.50%) Travis CI
4 2 (25.00%) JUnit
General
1 4 (50.00%) Publishing
2 3 (37.50%) Finance
3 2 (25.00%) Financial Institution
4 1 (12.50%) Front Office
Job Titles
1 8 (100.00%) Developer
2 5 (62.50%) Android Developer
3 4 (50.00%) Java Developer
4 1 (12.50%) C++ Developer
4 1 (12.50%) C++/Java Developer
4 1 (12.50%) Java Android Developer
Libraries, Frameworks & Software Standards
1 5 (62.50%) Android NDK
2 4 (50.00%) Android SDK
2 4 (50.00%) JSON
2 4 (50.00%) REST
2 4 (50.00%) RoboGuice
3 3 (37.50%) J2EE
3 3 (37.50%) JMS
3 3 (37.50%) RxJava
3 3 (37.50%) Spring
3 3 (37.50%) XML
4 2 (25.00%) EJB
4 2 (25.00%) HTML
4 2 (25.00%) JDBC
4 2 (25.00%) JSP
4 2 (25.00%) Servlets
4 2 (25.00%) Struts
5 1 (12.50%) J2SE
5 1 (12.50%) Java EE
5 1 (12.50%) Java SE
5 1 (12.50%) XSLT
Miscellaneous
1 1 (12.50%) Foreign Exchange (FX)
1 1 (12.50%) Mathematics
Operating Systems
1 5 (62.50%) Android
2 1 (12.50%) Linux
2 1 (12.50%) Unix
Processes & Methodologies
1 7 (87.50%) Scrum
2 5 (62.50%) Android Development
3 4 (50.00%) Agile Software Development
3 4 (50.00%) Automated Testing
3 4 (50.00%) Dependency Injection
3 4 (50.00%) OO
3 4 (50.00%) OOP
3 4 (50.00%) Test Automation
3 4 (50.00%) Unit Testing
3 4 (50.00%) User Stories
4 3 (37.50%) Continuous Integration
4 3 (37.50%) Workflow
5 1 (12.50%) Risk Management
Programming Languages
1 8 (100.00%) Java
2 2 (25.00%) C++
2 2 (25.00%) JavaScript
3 1 (12.50%) C#
Vendors
1 1 (12.50%) Adobe
1 1 (12.50%) Bloomberg
1 1 (12.50%) Murex
1 1 (12.50%) Oracle
1 1 (12.50%) Reuters
1 1 (12.50%) Sybase