The table below looks at the statistics for JNI skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited JNI over the 3 months to 27 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
27 May 2016
Same period 2015 Same period 2014
Java Native Interface (JNI)
Rank 427 418 420
Rank change year-on-year
-9 +2
Contract jobs citing JNI 3 5 1
As % of all contract IT jobs located in London 0.014% 0.022% 0.004%
As % of the Libraries, Frameworks & Software Standards category 0.042% 0.073% 0.014%
Number of daily rates quoted 3 5 1
Median daily rate £550 £650 £380
Median daily rate % change year-on-year
-15.38% +71.05%
UK excluding London median daily rate - £275 £360
% change year-on-year
- -23.61%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median 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
7060 6822 6953
As % of all contract IT jobs located in London 32.00% 30.60% 30.65%
Number of daily rates quoted 5434 4892 5111
Median daily rate £450 £425 £413
Median daily rate % change year-on-year
+5.88% +3.03%
90% offered a daily rate of more than £325 £300 £300
10% offered a daily rate of more than £600 £575 £550
UK excluding London median daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 21 44 17
Median hourly rate £43.04 £22.18 £40.00
Median hourly rate % change year-on-year
+94.02% -44.55%
90% offered a hourly rate of more than £18.75 £16.43 £30.00
10% offered a hourly rate of more than £190.00 £52.17 £175.00
UK excluding London median hourly rate £31.90 £37.80 £35.00
% change year-on-year
-15.60% +8.00%

JNI
Jobs Demand Trend in London

The demand trend of contract jobs across the London region citing JNI as a proportion of all IT contracts with a match in 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 27 May 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 27 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 across the London region with a requirement for JNI.

1 6 (100.00%) Java
2 5 (83.33%) Spring
3 3 (50.00%) Agile Software Development
3 3 (50.00%) JMS
3 3 (50.00%) Risk Management
3 3 (50.00%) Finance
3 3 (50.00%) Scrum
3 3 (50.00%) J2EE
3 3 (50.00%) Oracle
3 3 (50.00%) XML
4 2 (33.33%) EJB
4 2 (33.33%) JDBC
4 2 (33.33%) JSP
4 2 (33.33%) Servlets
4 2 (33.33%) Struts
4 2 (33.33%) JUnit
4 2 (33.33%) JavaScript
4 2 (33.33%) C++
4 2 (33.33%) HTML
4 2 (33.33%) Apache
4 2 (33.33%) Financial Institution
4 2 (33.33%) Banking
4 2 (33.33%) Credit Risk
4 2 (33.33%) Market Risk
4 2 (33.33%) Multithreading
4 2 (33.33%) Parallel Programming
4 2 (33.33%) Apache Cassandra
4 2 (33.33%) REST
4 2 (33.33%) Platform Symphony
4 2 (33.33%) Continuous Delivery

JNI
Top Related IT Skills in 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 2 (33.33%) Apache
1 2 (33.33%) Oracle Coherence
2 1 (16.67%) WebLogic
2 1 (16.67%) WebSphere
Business Applications
1 1 (16.67%) Murex MxG2000
Database & Business Intelligence
1 2 (33.33%) Apache Cassandra
Development Applications
1 2 (33.33%) JUnit
1 2 (33.33%) Maven
General
1 3 (50.00%) Finance
2 2 (33.33%) Banking
2 2 (33.33%) Financial Institution
2 2 (33.33%) Investment Banking
3 1 (16.67%) Front Office
Job Titles
1 6 (100.00%) Developer
1 6 (100.00%) Java Developer
2 1 (16.67%) Analyst
2 1 (16.67%) Analyst Developer
2 1 (16.67%) Analyst Programmer
2 1 (16.67%) Android Developer
2 1 (16.67%) C++ Developer
2 1 (16.67%) C++/Java Developer
2 1 (16.67%) Java Analyst Developer
2 1 (16.67%) Java Analyst Programmer
2 1 (16.67%) Java Android Developer
2 1 (16.67%) Java Programmer
2 1 (16.67%) Programmer
2 1 (16.67%) Risk Analyst
2 1 (16.67%) Systems Analyst
2 1 (16.67%) Systems Analyst Programmer
2 1 (16.67%) Systems Developer
2 1 (16.67%) Systems Programmer
Libraries, Frameworks & Software Standards
1 5 (83.33%) Spring
2 3 (50.00%) J2EE
2 3 (50.00%) JMS
2 3 (50.00%) XML
3 2 (33.33%) EJB
3 2 (33.33%) HTML
3 2 (33.33%) JDBC
3 2 (33.33%) JSP
3 2 (33.33%) REST
3 2 (33.33%) Servlets
3 2 (33.33%) Struts
4 1 (16.67%) Android NDK
4 1 (16.67%) FIX Protocol
4 1 (16.67%) Hibernate
4 1 (16.67%) J2SE
4 1 (16.67%) Java EE
4 1 (16.67%) Java SE
4 1 (16.67%) Murex Flex
4 1 (16.67%) Spring Integration
4 1 (16.67%) XSLT
Miscellaneous
1 2 (33.33%) Credit Risk
1 2 (33.33%) Market Risk
2 1 (16.67%) Foreign Exchange (FX)
2 1 (16.67%) Mathematics
Operating Systems
1 1 (16.67%) Android
1 1 (16.67%) Linux
1 1 (16.67%) Unix
Processes & Methodologies
1 3 (50.00%) Agile Software Development
1 3 (50.00%) Risk Management
1 3 (50.00%) Scrum
2 2 (33.33%) Continuous Delivery
2 2 (33.33%) Garbage Collection
2 2 (33.33%) Multithreading
2 2 (33.33%) Parallel Programming
3 1 (16.67%) Android Development
Programming Languages
1 6 (100.00%) Java
2 2 (33.33%) C++
2 2 (33.33%) JavaScript
3 1 (16.67%) C#
System Software
1 2 (33.33%) Platform Symphony
Vendors
1 3 (50.00%) Oracle
2 1 (16.67%) Adobe
2 1 (16.67%) Bloomberg
2 1 (16.67%) Murex
2 1 (16.67%) Reuters
2 1 (16.67%) Sybase