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 21 November 2014 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
21 Nov 2014
Same period 2013 Same period 2012
Java Native Interface (JNI)
Rank 409 417 391
Rank change year-on-year
+8 -26
Contract jobs citing JNI 10 2 3
As % of all contract IT jobs located in London 0.042% 0.008% 0.013%
As % of the Libraries, Frameworks & Software Standards category 0.14% 0.026% 0.044%
Number of daily rates quoted 6 0 2
Average daily rate
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£538 - £275
UK excluding London average daily rate £325 £425 £320
% change year-on-year
-23.52% +32.81%
Number of hourly rates quoted 0 1 0
Average hourly rate - £35.00 -
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
7215 7606 6825
As % of all contract IT jobs located in London 30.19% 30.44% 30.45%
Number of daily rates quoted 5471 5559 4901
Average daily rate £425 £413 £400
Average daily rate % change year-on-year
+3.03% +3.12%
90% offered a daily rate of more than £300 £300 £288
10% offered a daily rate of more than £575 £575 £575
UK excluding London average daily rate £350 £325 £325
% change year-on-year
+7.69% -
Number of hourly rates quoted 42 51 58
Average hourly rate £37.50 £35.00 £27.00
Average hourly rate % change year-on-year
+7.14% +29.62%
90% offered a hourly rate of more than £15.00 £18.00 £12.50
10% offered a hourly rate of more than £70.00 £55.00 £45.00
UK excluding London average hourly rate £35.00 £33.00 £32.50
% change year-on-year
+6.06% +1.53%

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 21 November 2014.

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
Contract Job Locations in London

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing JNI within the London region over the 3 months to 21 November 2014. 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London - - - -
JNI
England

JNI
Top 30 Related IT Skills in London

For the 6 months to 21 November 2014, 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 16 (100.00%) Java
2 14 (87.50%) C++
3 10 (62.50%) Finance
3 10 (62.50%) C#
4 9 (56.25%) Linux
5 8 (50.00%) SQL
6 7 (43.75%) Oracle
6 7 (43.75%) Sybase
6 7 (43.75%) JMS
6 7 (43.75%) Adobe
6 7 (43.75%) Murex MxG2000
6 7 (43.75%) Murex
6 7 (43.75%) Foreign Exchange (FX)
6 7 (43.75%) Front Office
6 7 (43.75%) Risk Management
6 7 (43.75%) Hibernate
6 7 (43.75%) UNIX
6 7 (43.75%) Reuters
6 7 (43.75%) Bloomberg
6 7 (43.75%) Spring
6 7 (43.75%) Murex Flex
6 7 (43.75%) FIX Protocol
6 7 (43.75%) Spring Integration
7 6 (37.50%) WebSphere
7 6 (37.50%) Java SE
7 6 (37.50%) Java EE
7 6 (37.50%) WebLogic
7 6 (37.50%) C
7 6 (37.50%) XML
7 6 (37.50%) XSLT

JNI
Top Related IT Skills in London by Category

For the 6 months to 21 November 2014, 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 6 (37.50%) WebLogic
1 6 (37.50%) WebSphere
Business Applications
1 7 (43.75%) Murex MxG2000
2 5 (31.25%) ION MarketView
Communications & Networking
1 1 (6.25%) HTTP
1 1 (6.25%) TCP/IP
Development Applications
1 2 (12.50%) Eclipse
2 1 (6.25%) Maven
2 1 (6.25%) Git (software)
General
1 10 (62.50%) Finance
2 7 (43.75%) Front Office
3 5 (31.25%) Investment Banking
3 5 (31.25%) Banking
4 1 (6.25%) Multimedia
Job Titles
1 16 (100.00%) Developer
2 12 (75.00%) Java Developer
3 5 (31.25%) Front Office Developer
4 3 (18.75%) Android Developer
5 1 (6.25%) Senior Developer
5 1 (6.25%) Senior Java Developer
5 1 (6.25%) Mobile Applications Developer
5 1 (6.25%) Mobile Developer
Libraries, Frameworks & Software Standards
1 7 (43.75%) JMS
1 7 (43.75%) Hibernate
1 7 (43.75%) Spring
1 7 (43.75%) FIX Protocol
1 7 (43.75%) Murex Flex
1 7 (43.75%) Spring Integration
2 6 (37.50%) Java SE
2 6 (37.50%) Java EE
2 6 (37.50%) XML
2 6 (37.50%) XSLT
3 2 (12.50%) Rendezvous
3 2 (12.50%) Middleware
4 1 (6.25%) Web Services
4 1 (6.25%) GStreamer
Miscellaneous
1 7 (43.75%) Foreign Exchange (FX)
2 5 (31.25%) Mathematics
2 5 (31.25%) Analytical Skills
3 2 (12.50%) Mobile App
3 2 (12.50%) Computer Science
3 2 (12.50%) Fixed Income
4 1 (6.25%) Cryptography
4 1 (6.25%) Video Editing
4 1 (6.25%) Blackberry
4 1 (6.25%) iPhone
Operating Systems
1 9 (56.25%) Linux
2 7 (43.75%) UNIX
3 4 (25.00%) Android
4 3 (18.75%) Apple iOS
5 2 (12.50%) Windows
Processes & Methodologies
1 7 (43.75%) Risk Management
2 5 (31.25%) Multithreading
2 5 (31.25%) Electronic Trading
2 5 (31.25%) Low Latency
3 4 (25.00%) Android Development
4 3 (18.75%) Strategic Management
5 2 (12.50%) Agile Software Development
5 2 (12.50%) Business Transformation
5 2 (12.50%) Mobile Application Development
5 2 (12.50%) Mobile Device Management
5 2 (12.50%) Market Making
6 1 (6.25%) iOS Development
6 1 (6.25%) Kalman Filter
6 1 (6.25%) Mentoring
6 1 (6.25%) Coaching
6 1 (6.25%) Software Engineering
6 1 (6.25%) Scrum
6 1 (6.25%) DRM
6 1 (6.25%) Image Processing
Programming Languages
1 16 (100.00%) Java
2 14 (87.50%) C++
3 10 (62.50%) C#
4 8 (50.00%) SQL
5 6 (37.50%) C
6 1 (6.25%) Objective-C
Qualifications
1 3 (18.75%) Degree
2 1 (6.25%) Security Cleared
Vendors
1 7 (43.75%) Oracle
1 7 (43.75%) Sybase
1 7 (43.75%) Adobe
1 7 (43.75%) Murex
1 7 (43.75%) Reuters
1 7 (43.75%) Bloomberg
2 5 (31.25%) ION Trading
3 2 (12.50%) Perforce
3 2 (12.50%) TIBCO
4 1 (6.25%) Symbian