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 August 2015 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 Aug 2015
Same period 2014 Same period 2013
Java Native Interface (JNI)
Rank 617 604 576
Rank change year-on-year
-13 -28
Contract jobs citing JNI 8 12 12
As % of all contract IT jobs located in the UK 0.014% 0.022% 0.023%
As % of the Libraries, Frameworks & Software Standards category 0.049% 0.077% 0.078%
Number of daily rates quoted 1 5 7
Average daily rate
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£400 £553 £450
Average daily rate % change year-on-year
-27.60% +22.77%
UK excluding London average daily rate - £300 £350
% change year-on-year
- -14.28%
Number of hourly rates quoted 3 4 4
Average hourly rate £40.00 £30.00 £37.50
Average hourly rate % change year-on-year
+33.33% -20.00%
UK excluding London average hourly rate £40.00 £30.00 £37.50
% change year-on-year
+33.33% -20.00%

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
16337 15619 15306
As % of all contract IT jobs located in the UK 27.89% 28.09% 29.06%
Number of daily rates quoted 11094 9900 9829
Average daily rate £400 £375 £375
Average daily rate % change year-on-year
+6.66% -
90% offered a daily rate of more than £285 £265 £260
10% offered a daily rate of more than £550 £525 £550
UK excluding London average daily rate £365 £350 £325
% change year-on-year
+4.28% +7.69%
Number of hourly rates quoted 288 218 264
Average hourly rate £39.25 £35.00 £35.00
Average hourly rate % change year-on-year
+12.14% -
90% offered a hourly rate of more than £17.50 £17.50 £20.00
10% offered a hourly rate of more than £52.17 £71.00 £50.00
UK excluding London average hourly rate £39.25 £35.00 £35.00
% change year-on-year
+12.14% -

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
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 12 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 August 2015. 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 -16 8 £400 -27.60%
South East -18 7 - -
Surrey -3 4 - -
Brighton - 3 - -
East Sussex - 3 - -
Woking +2 2 - -
Berkshire - 2 - -
Bracknell - 2 - -
Epsom - 2 - -
Guildford - 2 - -
Weybridge - 2 - -
London +13 1 £400 -32.05%

JNI
Top 30 Related IT Skills

For the 6 months to 28 August 2015, 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 17 (100.00%) Java
2 8 (47.06%) C++
2 8 (47.06%) Degree
3 7 (41.18%) Finance
3 7 (41.18%) C
4 6 (35.29%) Windows
5 5 (29.41%) J2EE
5 5 (29.41%) Software Engineering
5 5 (29.41%) Computer Science
6 4 (23.53%) Multithreading
6 4 (23.53%) Electronic Trading
6 4 (23.53%) ION MarketView
6 4 (23.53%) Equities
6 4 (23.53%) ION Trading
6 4 (23.53%) Linux
6 4 (23.53%) SQL
6 4 (23.53%) Web Services
6 4 (23.53%) Foreign Exchange (FX)
6 4 (23.53%) Low Latency
6 4 (23.53%) SDLC
7 3 (17.65%) Enterprise Software
7 3 (17.65%) Relational Database
7 3 (17.65%) Test Planning
7 3 (17.65%) Oracle Database
7 3 (17.65%) Web Application Development
7 3 (17.65%) Analytics
7 3 (17.65%) Chip and PIN
7 3 (17.65%) Tomcat
7 3 (17.65%) ETL
7 3 (17.65%) RDBMS

JNI
Top Related IT Skills by Category

For the 6 months to 28 August 2015, 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 3 (17.65%) Tomcat
Business Applications
1 4 (23.53%) ION MarketView
Database & Business Intelligence
1 3 (17.65%) MySQL
1 3 (17.65%) SQL Server
1 3 (17.65%) RDBMS
1 3 (17.65%) Oracle Database
1 3 (17.65%) Relational Database
Development Applications
1 2 (11.76%) Git (software)
1 2 (11.76%) Jenkins
2 1 (5.88%) Eclipse
2 1 (5.88%) Subversion
General
1 7 (41.18%) Finance
2 3 (17.65%) Back Office
2 3 (17.65%) Telecoms
3 1 (5.88%) Manufacturing
Job Titles
1 10 (58.82%) Developer
2 8 (47.06%) Java Developer
3 4 (23.53%) Software Engineer
4 3 (17.65%) Architect
4 3 (17.65%) Technical Architect
4 3 (17.65%) Java Software Engineer
5 2 (11.76%) Senior Java Developer
5 2 (11.76%) C++/Java Developer
5 2 (11.76%) Android Developer
5 2 (11.76%) Senior Developer
5 2 (11.76%) C++ Developer
6 1 (5.88%) Embedded Software Engineer
6 1 (5.88%) J2EE Developer
6 1 (5.88%) Java/J2EE Developer
Libraries, Frameworks & Software Standards
1 5 (29.41%) J2EE
2 4 (23.53%) Web Services
3 3 (17.65%) JAXB
3 3 (17.65%) .NET
3 3 (17.65%) Struts
3 3 (17.65%) Hibernate
3 3 (17.65%) Spring
3 3 (17.65%) SWT
3 3 (17.65%) JAX-WS
4 2 (11.76%) Android NDK
4 2 (11.76%) Rendezvous
4 2 (11.76%) Middleware
5 1 (5.88%) Swing
5 1 (5.88%) JDBC
5 1 (5.88%) REST
5 1 (5.88%) WebSockets
Miscellaneous
1 5 (29.41%) Computer Science
2 4 (23.53%) Foreign Exchange (FX)
2 4 (23.53%) Equities
3 3 (17.65%) Enterprise Software
3 3 (17.65%) Chip and PIN
4 2 (11.76%) Mobile App
5 1 (5.88%) Device Driver
5 1 (5.88%) Embedded Systems
Operating Systems
1 6 (35.29%) Windows
2 4 (23.53%) Linux
3 2 (11.76%) Android
4 1 (5.88%) Ubuntu
4 1 (5.88%) Embedded Linux
Processes & Methodologies
1 5 (29.41%) Software Engineering
2 4 (23.53%) Low Latency
2 4 (23.53%) SDLC
2 4 (23.53%) Multithreading
2 4 (23.53%) Electronic Trading
3 3 (17.65%) System Testing
3 3 (17.65%) Image Processing
3 3 (17.65%) Product Management
3 3 (17.65%) Web Application Development
3 3 (17.65%) ETL
3 3 (17.65%) Analytics
3 3 (17.65%) Test Planning
4 2 (11.76%) Market Making
4 2 (11.76%) Android Development
4 2 (11.76%) Unit Testing
4 2 (11.76%) Agile Software Development
4 2 (11.76%) Business Transformation
5 1 (5.88%) UML
5 1 (5.88%) OO
5 1 (5.88%) OOD
Programming Languages
1 17 (100.00%) Java
2 8 (47.06%) C++
3 7 (41.18%) C
4 4 (23.53%) SQL
5 2 (11.76%) C#
6 1 (5.88%) JavaScript
Qualifications
1 8 (47.06%) Degree
Vendors
1 4 (23.53%) ION Trading
2 3 (17.65%) Oracle
3 2 (11.76%) TIBCO