The first table below looks at the demand 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 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 London 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 383 414 422
Rank change year-on-year
+31 +8
Contract jobs citing JNI 4 4 11
As % of all contract IT jobs located in London 0.018% 0.015% 0.036%
As % of the Application Development category 0.063% 0.052% 0.117%
Number of daily rates quoted 2 4 9
Average daily rate £625 £375 £650
Average daily rate % change year-on-year
+66.66% -42.30%
UK excluding London average daily rate £350 - £300
Number of hourly rates quoted 0 0 1
Average hourly rate - - £35.00
UK excluding London average hourly rate £37.50 - £36.50
All Application Development
London
Contract IT job ads with a match in the
Application Development category
6387 7659 9377
As % of all contract IT jobs located in London 29.04% 28.01% 30.60%
Number of daily rates quoted 4619 5048 6312
Average daily rate £405 £400 £450
Average daily rate % change year-on-year
+1.25% -11.11%
90% offered a daily rate of more than £280 £280 £275
10% offered a daily rate of more than £575 £575 £600
UK excluding London average daily rate £325 £325 £325
Number of hourly rates quoted 90 106 136
Average hourly rate £41.50 £34.00 £35.00
Average hourly rate % change year-on-year
+22.05% -2.85%
90% offered a hourly rate of more than £19.00 £15.90 £17.55
10% offered a hourly rate of more than £54.00 £47.50 £57.00
UK excluding London average hourly rate £35.00 £32.00 £36.50
% change year-on-year
+9.37% -12.32%
JNI
England

JNI
Jobs Demand Trend

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 Application Development category.

London 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 London region.

London JNI Daily Rate Trend

JNI
Hourly Rate Trend

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

London 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 London 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
City of London - 1 - -
Canary Wharf - 1 £675 -
JNI
England

JNI
Top 30 Related IT Skills

For the 6 months to 22 May 2013, 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 5 (100.00%) Java
2 3 (60.00%) C++
2 3 (60.00%) Foreign Exchange (FX)
2 3 (60.00%) Spring
2 3 (60.00%) Hibernate
3 2 (40.00%) Derivative
3 2 (40.00%) Java SE
3 2 (40.00%) Java EE
3 2 (40.00%) .NET
3 2 (40.00%) Front Office
3 2 (40.00%) Reuters
3 2 (40.00%) Bloomberg
3 2 (40.00%) C#
3 2 (40.00%) JMS
3 2 (40.00%) Oracle
3 2 (40.00%) Sybase
4 1 (20.00%) WebLogic
4 1 (20.00%) EJB
4 1 (20.00%) Servlets
4 1 (20.00%) Web Services
4 1 (20.00%) XML
4 1 (20.00%) XSLT
4 1 (20.00%) UNIX
4 1 (20.00%) Linux
4 1 (20.00%) Tomcat
4 1 (20.00%) J2SE
4 1 (20.00%) Microsoft
4 1 (20.00%) Adobe
4 1 (20.00%) WS-I
4 1 (20.00%) JTS

JNI
Top Related IT Skills by Category

For the 6 months to 22 May 2013, 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 Development
1 3 (60.00%) Spring
1 3 (60.00%) Hibernate
2 2 (40.00%) Java SE
2 2 (40.00%) Java EE
2 2 (40.00%) .NET
2 2 (40.00%) JMS
3 1 (20.00%) EJB
3 1 (20.00%) Servlets
3 1 (20.00%) Web Services
3 1 (20.00%) XML
3 1 (20.00%) XSLT
3 1 (20.00%) J2SE
3 1 (20.00%) WS-I
3 1 (20.00%) JTS
3 1 (20.00%) JMX
3 1 (20.00%) Java EE 5
3 1 (20.00%) JPA
3 1 (20.00%) EJB 3.0
3 1 (20.00%) Spring Integration
3 1 (20.00%) J2EE
Application Platforms
1 1 (20.00%) WebLogic
1 1 (20.00%) Tomcat
Business Applications
1 1 (20.00%) Murex MxG2000
General
1 2 (40.00%) Front Office
2 1 (20.00%) Banking
2 1 (20.00%) Finance
2 1 (20.00%) Investment Banking
Job Titles
1 3 (60.00%) Developer
1 3 (60.00%) Java Developer
2 2 (40.00%) C++/Java Developer
2 2 (40.00%) C++ Developer
3 1 (20.00%) Analyst
3 1 (20.00%) Test Analyst
3 1 (20.00%) Senior Developer
3 1 (20.00%) Technical Analyst
3 1 (20.00%) QA Test Analyst
3 1 (20.00%) Senior Java Developer
3 1 (20.00%) Technical Test Analyst
3 1 (20.00%) Senior C++ Developer
3 1 (20.00%) QA Analyst
3 1 (20.00%) Technical Leader
Miscellaneous
1 3 (60.00%) Foreign Exchange (FX)
2 2 (40.00%) Derivative
3 1 (20.00%) Credit Derivative
3 1 (20.00%) Mathematics
3 1 (20.00%) Equities
Operating Systems
1 1 (20.00%) UNIX
1 1 (20.00%) Linux
Processes & Methodologies
1 1 (20.00%) TDD
1 1 (20.00%) Unit Testing
1 1 (20.00%) Test Automation
1 1 (20.00%) Dependency Injection
1 1 (20.00%) BDD
1 1 (20.00%) Automation Testing
1 1 (20.00%) Risk Management
1 1 (20.00%) Scrum
Programming Languages
1 5 (100.00%) Java
2 3 (60.00%) C++
3 2 (40.00%) C#
4 1 (20.00%) SQL
Quality Assurance & Compliance
1 1 (20.00%) QA
Vendors
1 2 (40.00%) Reuters
1 2 (40.00%) Bloomberg
1 2 (40.00%) Oracle
1 2 (40.00%) Sybase
2 1 (20.00%) Microsoft
2 1 (20.00%) Adobe
2 1 (20.00%) Murex