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 6 March 2015 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.

Location
3 months to
6 Mar 2015
Same period 2014 Same period 2013
Java Native Interface (JNI)
Rank 380 383 374
Rank change year-on-year
+3 -9
Contract jobs citing JNI 7 1 3
As % of all contract IT jobs located in London 0.034% 0.005% 0.015%
As % of the Libraries, Frameworks & Software Standards category 0.11% 0.016% 0.052%
Number of daily rates quoted 7 1 2
Average daily rate
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£650 £475 £675
Average daily rate % change year-on-year
+36.84% -29.62%
UK excluding London average daily rate £335 - £350
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
6091 6296 5825
As % of all contract IT jobs located in London 29.65% 29.65% 29.28%
Number of daily rates quoted 4435 4440 4252
Average daily rate £425 £400 £400
Average daily rate % change year-on-year
+6.25% -
90% offered a daily rate of more than £313 £295 £285
10% offered a daily rate of more than £563 £550 £575
UK excluding London average daily rate £350 £330 £325
% change year-on-year
+6.06% +1.53%
Number of hourly rates quoted 23 58 49
Average hourly rate £29.00 £35.50 £19.80
Average hourly rate % change year-on-year
-18.30% +79.33%
90% offered a hourly rate of more than £19.00 £27.50 £17.00
10% offered a hourly rate of more than £58.50 £147.50 £48.40
UK excluding London average hourly rate £35.25 £33.00 £35.00
% change year-on-year
+6.81% -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 6 March 2015.

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 6 March 2015, 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 15 (100.00%) Java
2 14 (93.33%) C++
3 13 (86.67%) Finance
4 11 (73.33%) ION Trading
4 11 (73.33%) Multithreading
4 11 (73.33%) Electronic Trading
4 11 (73.33%) ION MarketView
4 11 (73.33%) Low Latency
5 8 (53.33%) C
5 8 (53.33%) C#
5 8 (53.33%) Foreign Exchange (FX)
6 6 (40.00%) TIBCO
6 6 (40.00%) Rendezvous
6 6 (40.00%) Middleware
6 6 (40.00%) Windows
6 6 (40.00%) Equities
6 6 (40.00%) Market Making
6 6 (40.00%) Business Transformation
7 5 (33.33%) Investment Banking
7 5 (33.33%) Degree
7 5 (33.33%) Banking
8 4 (26.67%) Computer Science
9 2 (13.33%) Front Office
9 2 (13.33%) Risk Management
9 2 (13.33%) Hibernate
9 2 (13.33%) Fixed Income
9 2 (13.33%) Spring
9 2 (13.33%) Linux
9 2 (13.33%) JMS
9 2 (13.33%) Adobe

JNI
Top Related IT Skills in London by Category

For the 6 months to 6 March 2015, 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 1 (6.67%) WebLogic
1 1 (6.67%) WebSphere
Business Applications
1 11 (73.33%) ION MarketView
2 2 (13.33%) Murex MxG2000
Development Applications
1 1 (6.67%) Maven
1 1 (6.67%) Git (software)
1 1 (6.67%) Jenkins
General
1 13 (86.67%) Finance
2 5 (33.33%) Banking
2 5 (33.33%) Investment Banking
3 2 (13.33%) Front Office
4 1 (6.67%) Multimedia
Job Titles
1 15 (100.00%) Developer
2 13 (86.67%) Java Developer
3 4 (26.67%) C++ Developer
3 4 (26.67%) C++/Java Developer
4 3 (20.00%) Senior Java Developer
4 3 (20.00%) Senior Developer
5 1 (6.67%) Mobile Applications Developer
5 1 (6.67%) Mobile Developer
5 1 (6.67%) Android Developer
Libraries, Frameworks & Software Standards
1 6 (40.00%) Rendezvous
1 6 (40.00%) Middleware
2 2 (13.33%) Hibernate
2 2 (13.33%) Spring
2 2 (13.33%) FIX Protocol
2 2 (13.33%) Murex Flex
2 2 (13.33%) Spring Integration
2 2 (13.33%) JMS
3 1 (6.67%) Android NDK
3 1 (6.67%) GStreamer
3 1 (6.67%) XML
3 1 (6.67%) XSLT
3 1 (6.67%) Java SE
3 1 (6.67%) Java EE
Miscellaneous
1 8 (53.33%) Foreign Exchange (FX)
2 6 (40.00%) Equities
3 4 (26.67%) Computer Science
4 2 (13.33%) Mobile App
4 2 (13.33%) Mathematics
4 2 (13.33%) Fixed Income
5 1 (6.67%) Video Editing
Operating Systems
1 6 (40.00%) Windows
2 2 (13.33%) Linux
2 2 (13.33%) Android
2 2 (13.33%) UNIX
3 1 (6.67%) Apple iOS
Processes & Methodologies
1 11 (73.33%) Multithreading
1 11 (73.33%) Electronic Trading
1 11 (73.33%) Low Latency
2 6 (40.00%) Market Making
2 6 (40.00%) Business Transformation
3 2 (13.33%) Risk Management
3 2 (13.33%) Android Development
4 1 (6.67%) iOS Development
4 1 (6.67%) Kalman Filter
4 1 (6.67%) Agile Software Development
4 1 (6.67%) Software Engineering
4 1 (6.67%) Unit Testing
4 1 (6.67%) Mobile Application Development
4 1 (6.67%) Image Processing
Programming Languages
1 15 (100.00%) Java
2 14 (93.33%) C++
3 8 (53.33%) C
3 8 (53.33%) C#
4 2 (13.33%) SQL
Qualifications
1 5 (33.33%) Degree
Vendors
1 11 (73.33%) ION Trading
2 6 (40.00%) TIBCO
3 2 (13.33%) Reuters
3 2 (13.33%) Bloomberg
3 2 (13.33%) Oracle
3 2 (13.33%) Sybase
3 2 (13.33%) Adobe
3 2 (13.33%) Murex