The table below looks at the statistics for JNI skills in IT contracts advertised across the UK. Included is a guide to the average contractor rates offered in IT contracts that have cited JNI over the 3 months to 18 December 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
18 Dec 2014
Same period 2013 Same period 2012
Java Native Interface (JNI)
Rank 587 563 532
Rank change year-on-year
-24 -31
Contract jobs citing JNI 21 6 11
As % of all contract IT jobs located in the UK 0.038% 0.012% 0.022%
As % of the Libraries, Frameworks & Software Standards category 0.14% 0.042% 0.078%
Number of daily rates quoted 15 1 10
Average daily rate
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of your Daily Rate
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£350 £425 £320
Average daily rate % change year-on-year
-17.64% +32.81%
UK excluding London average daily rate £340 £425 £320
% change year-on-year
-20.00% +32.81%
Number of hourly rates quoted 0 1 0
Average hourly rate - £35.00 -
UK excluding London average 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
14889 14390 14026
As % of all contract IT jobs located in the UK 26.92% 27.84% 28.25%
Number of daily rates quoted 10174 9260 8767
Average daily rate £390 £375 £375
Average daily rate % change year-on-year
+4.00% -
90% offered a daily rate of more than £275 £250 £250
10% offered a daily rate of more than £550 £525 £525
UK excluding London average daily rate £350 £325 £325
% change year-on-year
+7.69% -
Number of hourly rates quoted 190 299 383
Average hourly rate £35.00 £33.50 £34.00
Average hourly rate % change year-on-year
+4.47% -1.47%
90% offered a hourly rate of more than £18.00 £16.58 £16.00
10% offered a hourly rate of more than £50.00 £42.50 £43.00
UK excluding London average hourly rate £35.00 £33.00 £34.00
% change year-on-year
+6.06% -2.94%

JNI
Jobs Demand Trend

This chart provides the 3-month moving total of IT contractor jobs citing JNI within the UK as a proportion of the total demand within 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
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing JNI within the UK over the 3 months to 18 December 2014.

JNI Daily Rate Histogram 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 10 Contract Locations

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing JNI within the UK over the 3 months to 18 December 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
England -15 20 £348 -18.23% 1
London +25 7 £525 -
Norwich - 1 £338 -
Norfolk - 1 £338 -
East of England - 1 £338 -
Bristol - 1 £350 - 1
South West - 1 £350 - 1
City of London - - - -
North West - - - -
Cheshire - - - -

JNI
Top 30 Related IT Skills

For the 6 months to 18 December 2014, IT contractor jobs within the UK 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 38 (97.44%) Java
2 21 (53.85%) C++
3 20 (51.28%) Android
4 17 (43.59%) Linux
4 17 (43.59%) Android Development
5 14 (35.90%) C
6 12 (30.77%) UNIX
6 12 (30.77%) Finance
7 11 (28.21%) Java SE
8 10 (25.64%) XML
8 10 (25.64%) C#
8 10 (25.64%) Android NDK
9 9 (23.08%) OO
9 9 (23.08%) Subversion
10 8 (20.51%) Software Engineering
10 8 (20.51%) SQL
11 7 (17.95%) Oracle
11 7 (17.95%) Sybase
11 7 (17.95%) JMS
11 7 (17.95%) Adobe
11 7 (17.95%) Murex MxG2000
11 7 (17.95%) Murex
11 7 (17.95%) Foreign Exchange (FX)
11 7 (17.95%) Hibernate
11 7 (17.95%) Front Office
11 7 (17.95%) Risk Management
11 7 (17.95%) Reuters
11 7 (17.95%) Bloomberg
11 7 (17.95%) Spring
11 7 (17.95%) FIX Protocol

JNI
Top Related IT Skills by Category

For the 6 months to 18 December 2014, IT contractor jobs within the UK 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 (15.38%) WebLogic
1 6 (15.38%) WebSphere
Business Applications
1 7 (17.95%) Murex MxG2000
2 5 (12.82%) ION MarketView
Communications & Networking
1 6 (15.38%) NFC
2 5 (12.82%) DVB
3 2 (5.13%) TCP/IP
4 1 (2.56%) HTTP
4 1 (2.56%) DLNA
Development Applications
1 9 (23.08%) Subversion
2 5 (12.82%) NetBeans
2 5 (12.82%) Maven
2 5 (12.82%) Git (software)
3 4 (10.26%) Jenkins
3 4 (10.26%) Atlassian Bamboo
3 4 (10.26%) Ant
4 3 (7.69%) Artifactory
4 3 (7.69%) Appium
4 3 (7.69%) Mockito
4 3 (7.69%) Robotium
5 2 (5.13%) Eclipse
General
1 12 (30.77%) Finance
2 7 (17.95%) Front Office
3 5 (12.82%) Banking
3 5 (12.82%) Investment Banking
4 4 (10.26%) Publishing
5 2 (5.13%) Legal
6 1 (2.56%) Electronics
6 1 (2.56%) Multimedia
Job Titles
1 31 (79.49%) Developer
2 13 (33.33%) Android Developer
3 12 (30.77%) Java Developer
4 6 (15.38%) Software Engineer
5 5 (12.82%) Front Office Developer
6 4 (10.26%) Software Design Engineer
6 4 (10.26%) Design Engineer
6 4 (10.26%) Java Software Engineer
7 2 (5.13%) Software Developer
8 1 (2.56%) Embedded Software Engineer
8 1 (2.56%) C++ Software Engineer
8 1 (2.56%) Embedded C Software Engineer
8 1 (2.56%) Java Programmer
8 1 (2.56%) Senior Java Developer
8 1 (2.56%) Senior Developer
8 1 (2.56%) Programmer
8 1 (2.56%) Software Programmer
8 1 (2.56%) Embedded C Engineer
8 1 (2.56%) C Developer
8 1 (2.56%) C Software Engineer
Libraries, Frameworks & Software Standards
1 11 (28.21%) Java SE
2 10 (25.64%) XML
2 10 (25.64%) Android NDK
3 7 (17.95%) JMS
3 7 (17.95%) Hibernate
3 7 (17.95%) Spring
3 7 (17.95%) FIX Protocol
3 7 (17.95%) Murex Flex
3 7 (17.95%) Spring Integration
4 6 (15.38%) Java EE
4 6 (15.38%) HTML
4 6 (15.38%) XSLT
5 5 (12.82%) Swing
5 5 (12.82%) Web Services
6 4 (10.26%) Android SDK
7 3 (7.69%) RoboGuice
7 3 (7.69%) Middleware
7 3 (7.69%) REST
7 3 (7.69%) JSON
8 2 (5.13%) Rendezvous
Miscellaneous
1 7 (17.95%) Foreign Exchange (FX)
2 5 (12.82%) Analytical Skills
2 5 (12.82%) Algorithms
2 5 (12.82%) DTV
2 5 (12.82%) Mathematics
2 5 (12.82%) Embedded Systems
3 4 (10.26%) Computer Science
3 4 (10.26%) IPTV
4 2 (5.13%) Mobile App
4 2 (5.13%) Cryptography
4 2 (5.13%) Fixed Income
5 1 (2.56%) iDTV
5 1 (2.56%) MPEG
5 1 (2.56%) VHDL
5 1 (2.56%) Verilog
5 1 (2.56%) Blackberry
5 1 (2.56%) Video Editing
5 1 (2.56%) STB
5 1 (2.56%) iPhone
5 1 (2.56%) Video on Demand
Operating Systems
1 20 (51.28%) Android
2 17 (43.59%) Linux
3 12 (30.77%) UNIX
4 4 (10.26%) Apple iOS
5 2 (5.13%) Windows
Processes & Methodologies
1 17 (43.59%) Android Development
2 9 (23.08%) OO
3 8 (20.51%) Software Engineering
4 7 (17.95%) Risk Management
5 6 (15.38%) Multithreading
5 6 (15.38%) Agile Software Development
6 5 (12.82%) Low Latency
6 5 (12.82%) OOD
6 5 (12.82%) Electronic Trading
7 4 (10.26%) Unit Testing
8 3 (7.69%) OOP
8 3 (7.69%) Strategic Management
8 3 (7.69%) Continuous Integration
8 3 (7.69%) Automated Testing
8 3 (7.69%) User Stories
8 3 (7.69%) Dependency Injection
9 2 (5.13%) Business Transformation
9 2 (5.13%) Mobile Application Development
9 2 (5.13%) Mobile Device Management
9 2 (5.13%) DRM
Programming Languages
1 38 (97.44%) Java
2 21 (53.85%) C++
3 14 (35.90%) C
4 10 (25.64%) C#
5 8 (20.51%) SQL
6 2 (5.13%) JavaScript
7 1 (2.56%) Perl
7 1 (2.56%) Embedded C
7 1 (2.56%) Embedded C++
7 1 (2.56%) Python
7 1 (2.56%) Objective-C
7 1 (2.56%) Bash Shell
Qualifications
1 4 (10.26%) Degree
2 1 (2.56%) Security Cleared
Vendors
1 7 (17.95%) Oracle
1 7 (17.95%) Sybase
1 7 (17.95%) Adobe
1 7 (17.95%) Murex
1 7 (17.95%) Reuters
1 7 (17.95%) Bloomberg
2 5 (12.82%) Microsoft
2 5 (12.82%) ION Trading
3 2 (5.13%) Perforce
3 2 (5.13%) TIBCO
4 1 (2.56%) Symbian