The table below looks at the statistics for JNI 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 JNI over the 3 months to 28 April 2016 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.

3 months to
28 Apr 2016
Same period 2015 Same period 2014
Java Native Interface (JNI)
Rank 429 422 420
Rank change year-on-year
-7 -2
Contract jobs citing JNI 2 9 2
As % of all contract IT jobs located in London 0.009% 0.040% 0.009%
As % of the Libraries, Frameworks & Software Standards category 0.028% 0.13% 0.029%
Number of daily rates quoted 2 9 2
Average daily rate £550 £650 £428
Average daily rate % change year-on-year
-15.38% +52.04%
90% offered a daily rate of more than £470 £650 £390
10% offered a daily rate of more than £630 £650 £466
UK excluding London average daily rate - - £360
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
JNI
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
7226 6807 6958
As % of all contract IT jobs located in London 31.44% 30.46% 29.83%
Number of daily rates quoted 5456 4840 5026
Average daily rate £450 £425 £400
Average daily rate % change year-on-year
+5.88% +6.25%
90% offered a daily rate of more than £325 £310 £300
10% offered a daily rate of more than £600 £575 £558
UK excluding London average daily rate £375 £350 £338
% change year-on-year
+7.14% +3.70%
Number of hourly rates quoted 25 32 32
Average hourly rate £26.25 £22.18 £43.00
Average hourly rate % change year-on-year
+18.34% -48.41%
90% offered a hourly rate of more than £17.35 £19.00 £30.00
10% offered a hourly rate of more than £54.00 £55.00 £175.00
UK excluding London average hourly rate £35.00 £37.00 £35.00
% change year-on-year
-5.40% +5.71%

JNI
Jobs Demand Trend in London

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

JNI Jobs Demand Trend in London

JNI
Daily Rate Trend in London

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

JNI Daily Rate Trend in London

JNI
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing JNI across the London region over the 3 months to 28 April 2016.

JNI Daily Rate Histogram in London

JNI
Hourly Rate Trend in London

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

JNI Hourly Rate Trend in London

JNI
Top 30 Related IT Skills in London

For the 6 months to 28 April 2016, IT contractor jobs across the London region citing JNI 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 JNI.

1 4 (100.00%) Java
2 3 (75.00%) Scrum
2 3 (75.00%) Finance
2 3 (75.00%) JMS
2 3 (75.00%) J2EE
2 3 (75.00%) XML
2 3 (75.00%) Spring
3 2 (50.00%) Maven
3 2 (50.00%) EJB
3 2 (50.00%) JDBC
3 2 (50.00%) JSP
3 2 (50.00%) Servlets
3 2 (50.00%) Struts
3 2 (50.00%) JUnit
3 2 (50.00%) JavaScript
3 2 (50.00%) C++
3 2 (50.00%) HTML
3 2 (50.00%) Financial Institution
3 2 (50.00%) Apache
4 1 (25.00%) J2SE
4 1 (25.00%) Hibernate
4 1 (25.00%) C#
4 1 (25.00%) Agile Software Development
4 1 (25.00%) Front Office
4 1 (25.00%) Risk Management
4 1 (25.00%) Adobe
4 1 (25.00%) Murex MxG2000
4 1 (25.00%) Murex
4 1 (25.00%) Foreign Exchange (FX)
4 1 (25.00%) Reuters

JNI
Top Related IT Skills in London by Category

For the 6 months to 28 April 2016, IT contractor jobs across the London region citing JNI 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 JNI. Up to 20 skills are shown per category.

Application Platforms
1 2 (50.00%) Apache
2 1 (25.00%) WebLogic
2 1 (25.00%) WebSphere
Business Applications
1 1 (25.00%) Murex MxG2000
Development Applications
1 2 (50.00%) JUnit
1 2 (50.00%) Maven
General
1 3 (75.00%) Finance
2 2 (50.00%) Financial Institution
3 1 (25.00%) Front Office
Job Titles
1 4 (100.00%) Developer
1 4 (100.00%) Java Developer
2 1 (25.00%) Android Developer
2 1 (25.00%) C++ Developer
2 1 (25.00%) C++/Java Developer
2 1 (25.00%) Java Android Developer
Libraries, Frameworks & Software Standards
1 3 (75.00%) J2EE
1 3 (75.00%) JMS
1 3 (75.00%) Spring
1 3 (75.00%) XML
2 2 (50.00%) EJB
2 2 (50.00%) HTML
2 2 (50.00%) JDBC
2 2 (50.00%) JSP
2 2 (50.00%) Servlets
2 2 (50.00%) Struts
3 1 (25.00%) Android NDK
3 1 (25.00%) FIX Protocol
3 1 (25.00%) Hibernate
3 1 (25.00%) J2SE
3 1 (25.00%) Java EE
3 1 (25.00%) Java SE
3 1 (25.00%) Murex Flex
3 1 (25.00%) Spring Integration
3 1 (25.00%) XSLT
Miscellaneous
1 1 (25.00%) Foreign Exchange (FX)
1 1 (25.00%) Mathematics
Operating Systems
1 1 (25.00%) Android
1 1 (25.00%) Linux
1 1 (25.00%) Unix
Processes & Methodologies
1 3 (75.00%) Scrum
2 1 (25.00%) Agile Software Development
2 1 (25.00%) Android Development
2 1 (25.00%) Risk Management
Programming Languages
1 4 (100.00%) Java
2 2 (50.00%) C++
2 2 (50.00%) JavaScript
3 1 (25.00%) C#
Vendors
1 1 (25.00%) Adobe
1 1 (25.00%) Bloomberg
1 1 (25.00%) Murex
1 1 (25.00%) Oracle
1 1 (25.00%) Reuters
1 1 (25.00%) Sybase