The first table below looks at the demand for JNI skills in IT contracts advertised for the England region. Included is a guide to the average contractor rates offered in IT contracts that have cited JNI over the 3 months to 22 May 2013 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all of the Application Development category for the England region.

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
22 May 2013
Same period 2012 Same period 2011
Java Native Interface (JNI)
Rank 504 566 538
Rank change year-on-year
+62 -28
Contract jobs citing JNI 10 4 26
As % of all contract IT jobs located in England 0.024% 0.007% 0.047%
As % of the Application Development category 0.087% 0.028% 0.167%
Number of daily rates quoted 6 4 19
Average daily rate £363 £375 £600
Average daily rate % change year-on-year
-3.33% -37.50%
90% offered a daily rate of more than £350 £375 £300
10% offered a daily rate of more than £625 £393 £650
UK excluding London average daily rate £350 - £300
Number of hourly rates quoted 2 0 5
Average hourly rate £37.50 - £36.50
UK excluding London average hourly rate £37.50 - £36.50
All Application Development
England
Contract IT job ads with a match in the
Application Development category
11460 14244 15606
As % of all contract IT jobs located in England 27.15% 26.26% 28.18%
Number of daily rates quoted 7340 8537 9258
Average daily rate £375 £353 £400
Average daily rate % change year-on-year
+6.38% -11.87%
90% offered a daily rate of more than £250 £250 £250
10% offered a daily rate of more than £550 £550 £600
UK excluding London average daily rate £325 £325 £325
Number of hourly rates quoted 347 373 551
Average hourly rate £35.00 £33.00 £35.70
Average hourly rate % change year-on-year
+6.06% -7.56%
90% offered a hourly rate of more than £17.45 £15.00 £19.00
10% offered a hourly rate of more than £45.00 £42.35 £45.00
UK excluding London average hourly rate £35.00 £32.00 £36.50
% change year-on-year
+9.37% -12.32%
JNI
UK

JNI
Jobs Demand Trend

This chart provides a 3-month moving total of IT contractor jobs citing JNI across the England region as a proportion of the total demand within the Application Development category.

England JNI Jobs Demand Trend

JNI
Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing JNI across the England region.

England JNI Daily Rate Trend

JNI
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing JNI across the England region over the 3 months to 22 May 2013.

England JNI Daily Rate Histogram

JNI
Hourly Rate Trend

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing JNI across the England region.

England JNI Hourly Rate Trend

JNI
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 England region over the 3 months to 22 May 2013. 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
(Click each for more statistics)
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
London +31 4 £625 +66.66%
East Midlands - 3 £350 -
North West - 2 - -
South East - 1 £375 -
JNI
UK

JNI
Top 30 Related IT Skills

For the 6 months to 22 May 2013, IT contractor jobs across the England 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 23 (100.00%) Java
2 21 (91.30%) C++
3 16 (69.57%) C
4 15 (65.22%) Linux
5 14 (60.87%) Android
6 13 (56.52%) Device Driver
6 13 (56.52%) Embedded Linux
6 13 (56.52%) Bluetooth
6 13 (56.52%) Wi-Fi
6 13 (56.52%) Streaming Video
7 5 (21.74%) Hibernate
7 5 (21.74%) Spring
8 4 (17.39%) Eclipse
8 4 (17.39%) XML
9 3 (13.04%) XSLT
9 3 (13.04%) Web Services
9 3 (13.04%) HTML
9 3 (13.04%) JavaScript
9 3 (13.04%) SQL
9 3 (13.04%) J2EE
9 3 (13.04%) CSS
9 3 (13.04%) Tomcat
9 3 (13.04%) Foreign Exchange (FX)
9 3 (13.04%) WebSphere
10 2 (8.696%) JSON
10 2 (8.696%) Multithreading
10 2 (8.696%) Subversion
10 2 (8.696%) Ajax
10 2 (8.696%) Derivative
10 2 (8.696%) Java SE

JNI
Top Related IT Skills by Category

For the 6 months to 22 May 2013, IT contractor jobs across the England 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 Development
1 5 (21.74%) Hibernate
1 5 (21.74%) Spring
2 4 (17.39%) XML
3 3 (13.04%) XSLT
3 3 (13.04%) Web Services
3 3 (13.04%) HTML
3 3 (13.04%) J2EE
3 3 (13.04%) CSS
3 3 (13.04%) WebSphere
4 2 (8.696%) JSON
4 2 (8.696%) Ajax
4 2 (8.696%) Java SE
4 2 (8.696%) Java EE
4 2 (8.696%) SWT
4 2 (8.696%) XHTML
4 2 (8.696%) JMS
4 2 (8.696%) .NET
4 2 (8.696%) Struts
4 2 (8.696%) Swing
5 1 (4.348%) WS-I
Application Platforms
1 3 (13.04%) Tomcat
2 1 (4.348%) WebLogic
Business Applications
1 1 (4.348%) Murex MxG2000
Communications & Networking
1 13 (56.52%) Bluetooth
1 13 (56.52%) Wi-Fi
Database & Business Intelligence
1 2 (8.696%) RDBMS
2 1 (4.348%) MySQL
Development Applications
1 4 (17.39%) Eclipse
2 2 (8.696%) Subversion
2 2 (8.696%) JUnit
General
1 2 (8.696%) Front Office
2 1 (4.348%) Banking
2 1 (4.348%) Electronics
2 1 (4.348%) Finance
2 1 (4.348%) Investment Banking
Job Titles
1 19 (82.61%) Developer
2 14 (60.87%) Android Developer
3 5 (21.74%) Java Developer
4 2 (8.696%) Java/J2EE Developer
4 2 (8.696%) C++/Java Developer
4 2 (8.696%) Software Engineer
4 2 (8.696%) C++ Developer
4 2 (8.696%) J2EE Developer
5 1 (4.348%) Technical Analyst
5 1 (4.348%) QA Test Analyst
5 1 (4.348%) Senior Java Developer
5 1 (4.348%) Technical Test Analyst
5 1 (4.348%) Senior C++ Developer
5 1 (4.348%) Analyst
5 1 (4.348%) Test Analyst
5 1 (4.348%) Senior Developer
5 1 (4.348%) QA Analyst
5 1 (4.348%) Technical Leader
Miscellaneous
1 13 (56.52%) Device Driver
1 13 (56.52%) Streaming Video
2 3 (13.04%) Foreign Exchange (FX)
3 2 (8.696%) Derivative
4 1 (4.348%) Equities
4 1 (4.348%) Smartphone
4 1 (4.348%) Credit Derivative
4 1 (4.348%) Mathematics
4 1 (4.348%) Computer Science
4 1 (4.348%) Mobile App
Operating Systems
1 15 (65.22%) Linux
2 14 (60.87%) Android
3 13 (56.52%) Embedded Linux
4 1 (4.348%) UNIX
Processes & Methodologies
1 2 (8.696%) Multithreading
1 2 (8.696%) MVC
1 2 (8.696%) Migration
1 2 (8.696%) UML
1 2 (8.696%) OO
2 1 (4.348%) TDD
2 1 (4.348%) Scrum
2 1 (4.348%) Risk Management
2 1 (4.348%) Configuration Management
2 1 (4.348%) Use Case
2 1 (4.348%) Unit Testing
2 1 (4.348%) Test Automation
2 1 (4.348%) Dependency Injection
2 1 (4.348%) BDD
2 1 (4.348%) Web Application Development
2 1 (4.348%) Mobile Application Development
2 1 (4.348%) Automation Testing
Programming Languages
1 23 (100.00%) Java
2 21 (91.30%) C++
3 16 (69.57%) C
4 3 (13.04%) JavaScript
4 3 (13.04%) SQL
5 2 (8.696%) C#
6 1 (4.348%) PHP
Qualifications
1 1 (4.348%) Degree
Quality Assurance & Compliance
1 1 (4.348%) QA
Vendors
1 2 (8.696%) Reuters
1 2 (8.696%) Bloomberg
1 2 (8.696%) Oracle
1 2 (8.696%) Sybase
1 2 (8.696%) JBoss
2 1 (4.348%) Microsoft
2 1 (4.348%) Adobe
2 1 (4.348%) Murex
2 1 (4.348%) Perforce