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 28 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
28 Nov 2014
Same period 2013 Same period 2012
Java Native Interface (JNI)
Rank 577 574 557
Rank change year-on-year
-3 -17
Contract jobs citing JNI 23 7 14
As % of all contract IT jobs located in the UK 0.040% 0.014% 0.027%
As % of the Libraries, Frameworks & Software Standards category 0.15% 0.048% 0.097%
Number of daily rates quoted 15 4 11
Average daily rate
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£360 £425 £320
Average daily rate % change year-on-year
-15.29% +32.81%
UK excluding London average daily rate £338 £425 £320
% change year-on-year
-20.58% +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
15375 14633 14419
As % of all contract IT jobs located in the UK 26.65% 28.27% 28.28%
Number of daily rates quoted 10489 9488 8807
Average daily rate £388 £375 £375
Average daily rate % change year-on-year
+3.33% -
90% offered a daily rate of more than £275 £250 £250
10% offered a daily rate of more than £550 £525 £543
UK excluding London average daily rate £350 £325 £325
% change year-on-year
+7.69% -
Number of hourly rates quoted 172 283 393
Average hourly rate £35.00 £33.84 £32.50
Average hourly rate % change year-on-year
+3.42% +4.12%
90% offered a hourly rate of more than £17.50 £17.04 £14.34
10% offered a hourly rate of more than £51.60 £42.50 £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

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 28 November 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 13 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 28 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
England -37 22 £355 -16.47% 5
London +15 10 £538 -
East of England -7 1 £338 - 1
South West - 1 £350 - 2
Bristol - 1 £350 - 1
Norwich - 1 £338 - 1
Norfolk - 1 £338 - 1
City of London - - - -
North East - - - -
North West - - - - 2
Cheshire - - - - 2
Newcastle upon Tyne - - - -
Tyne and Wear - - - -

JNI
Top 30 Related IT Skills

For the 6 months to 28 November 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 34 (97.14%) Java
2 21 (60.00%) C++
3 17 (48.57%) Linux
4 16 (45.71%) Android
5 14 (40.00%) Android Development
5 14 (40.00%) C
6 12 (34.29%) UNIX
6 12 (34.29%) Finance
7 11 (31.43%) Java SE
8 10 (28.57%) XML
8 10 (28.57%) C#
9 8 (22.86%) SQL
9 8 (22.86%) Software Engineering
10 7 (20.00%) Spring
10 7 (20.00%) FIX Protocol
10 7 (20.00%) Murex Flex
10 7 (20.00%) Spring Integration
10 7 (20.00%) Oracle
10 7 (20.00%) Sybase
10 7 (20.00%) JMS
10 7 (20.00%) Adobe
10 7 (20.00%) Murex MxG2000
10 7 (20.00%) Murex
10 7 (20.00%) Foreign Exchange (FX)
10 7 (20.00%) Hibernate
10 7 (20.00%) Front Office
10 7 (20.00%) Risk Management
10 7 (20.00%) Reuters
10 7 (20.00%) Bloomberg
11 6 (17.14%) OO

JNI
Top Related IT Skills by Category

For the 6 months to 28 November 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 (17.14%) WebLogic
1 6 (17.14%) WebSphere
Business Applications
1 7 (20.00%) Murex MxG2000
2 5 (14.29%) ION MarketView
Communications & Networking
1 6 (17.14%) NFC
2 5 (14.29%) DVB
3 2 (5.71%) TCP/IP
4 1 (2.86%) DLNA
4 1 (2.86%) HTTP
Development Applications
1 5 (14.29%) Subversion
1 5 (14.29%) NetBeans
2 2 (5.71%) Eclipse
3 1 (2.86%) Maven
3 1 (2.86%) Git (software)
General
1 12 (34.29%) Finance
2 7 (20.00%) Front Office
3 5 (14.29%) Investment Banking
3 5 (14.29%) Banking
4 2 (5.71%) Legal
5 1 (2.86%) Multimedia
5 1 (2.86%) Electronics
Job Titles
1 28 (80.00%) Developer
2 12 (34.29%) Java Developer
3 10 (28.57%) Android Developer
4 6 (17.14%) Software Engineer
5 5 (14.29%) Front Office Developer
6 4 (11.43%) Java Software Engineer
6 4 (11.43%) Design Engineer
6 4 (11.43%) Software Design Engineer
7 2 (5.71%) Software Developer
8 1 (2.86%) Embedded C Engineer
8 1 (2.86%) C Developer
8 1 (2.86%) C Software Engineer
8 1 (2.86%) Software Programmer
8 1 (2.86%) Mobile Applications Developer
8 1 (2.86%) Mobile Developer
8 1 (2.86%) Embedded Software Engineer
8 1 (2.86%) C++ Software Engineer
8 1 (2.86%) Embedded C Software Engineer
8 1 (2.86%) Java Programmer
8 1 (2.86%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 11 (31.43%) Java SE
2 10 (28.57%) XML
3 7 (20.00%) Spring
3 7 (20.00%) FIX Protocol
3 7 (20.00%) Murex Flex
3 7 (20.00%) Spring Integration
3 7 (20.00%) JMS
3 7 (20.00%) Hibernate
4 6 (17.14%) HTML
4 6 (17.14%) XSLT
4 6 (17.14%) Android NDK
4 6 (17.14%) Java EE
5 5 (14.29%) Swing
5 5 (14.29%) Web Services
6 3 (8.57%) Middleware
7 2 (5.71%) Rendezvous
8 1 (2.86%) HTML5
8 1 (2.86%) GStreamer
8 1 (2.86%) CSS
Miscellaneous
1 7 (20.00%) Foreign Exchange (FX)
2 5 (14.29%) Mathematics
2 5 (14.29%) Analytical Skills
2 5 (14.29%) Algorithms
2 5 (14.29%) Embedded Systems
2 5 (14.29%) DTV
3 4 (11.43%) IPTV
3 4 (11.43%) Computer Science
4 2 (5.71%) Mobile App
4 2 (5.71%) Fixed Income
4 2 (5.71%) Cryptography
5 1 (2.86%) Video Editing
5 1 (2.86%) Video on Demand
5 1 (2.86%) iPhone
5 1 (2.86%) iDTV
5 1 (2.86%) MPEG
5 1 (2.86%) VHDL
5 1 (2.86%) Verilog
5 1 (2.86%) STB
5 1 (2.86%) Blackberry
Operating Systems
1 17 (48.57%) Linux
2 16 (45.71%) Android
3 12 (34.29%) UNIX
4 3 (8.57%) Apple iOS
5 2 (5.71%) Windows
Processes & Methodologies
1 14 (40.00%) Android Development
2 8 (22.86%) Software Engineering
3 7 (20.00%) Risk Management
4 6 (17.14%) OO
4 6 (17.14%) Multithreading
5 5 (14.29%) Electronic Trading
5 5 (14.29%) Low Latency
5 5 (14.29%) OOD
6 3 (8.57%) Agile Software Development
6 3 (8.57%) Strategic Management
7 2 (5.71%) DRM
7 2 (5.71%) Scrum
7 2 (5.71%) Business Transformation
7 2 (5.71%) Mobile Application Development
7 2 (5.71%) Mobile Device Management
7 2 (5.71%) Market Making
8 1 (2.86%) Refactoring
8 1 (2.86%) Kanban
8 1 (2.86%) Software Architecture
8 1 (2.86%) Image Processing
Programming Languages
1 34 (97.14%) Java
2 21 (60.00%) C++
3 14 (40.00%) C
4 10 (28.57%) C#
5 8 (22.86%) SQL
6 2 (5.71%) JavaScript
7 1 (2.86%) Bash Shell
7 1 (2.86%) Perl
7 1 (2.86%) Embedded C
7 1 (2.86%) Embedded C++
7 1 (2.86%) Python
7 1 (2.86%) Objective-C
Qualifications
1 4 (11.43%) Degree
2 1 (2.86%) Security Cleared
Vendors
1 7 (20.00%) Oracle
1 7 (20.00%) Sybase
1 7 (20.00%) Adobe
1 7 (20.00%) Murex
1 7 (20.00%) Reuters
1 7 (20.00%) Bloomberg
2 5 (14.29%) Microsoft
2 5 (14.29%) ION Trading
3 2 (5.71%) Perforce
3 2 (5.71%) TIBCO
4 1 (2.86%) Symbian