The table below looks at the statistics for JNI skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited JNI over the 3 months to 9 December 2016 with a comparison to the same period over 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.

3 months to
9 Dec 2016
Same period 2015 Same period 2014
Java Native Interface (JNI)
Rank 412 - 416
Rank change year-on-year
- 0
Contract jobs citing JNI 10 0 8
As % of all contract IT jobs located in London 0.047% - 0.034%
As % of the Libraries, Frameworks & Software Standards category 0.13% - 0.11%
Number of daily rates quoted 10 0 5
Median daily rate £400 - £500
UK excluding London median daily rate - £380 £339
% change year-on-year
- +12.17%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
JNI
England

The following table is for comparison with the above and provides statistics for the entire Libraries, Frameworks & Software Standards category in contract jobs advertised in the London region.

Libraries, Frameworks & Software Standards Category
London
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
7480 7420 7195
As % of all contract IT jobs located in London 34.84% 32.89% 30.60%
Number of daily rates quoted 5646 5627 5474
Median daily rate £463 £450 £425
Median daily rate % change year-on-year
+2.77% +5.88%
90% offered a daily rate of more than £341 £325 £300
10% offered a daily rate of more than £600 £575 £588
UK excluding London median daily rate £380 £375 £350
% change year-on-year
+1.33% +7.14%
Number of hourly rates quoted 28 40 35
Median hourly rate £45.00 £26.00 £37.50
Median hourly rate % change year-on-year
+73.07% -30.66%
90% offered a hourly rate of more than £27.50 £22.62 £17.35
10% offered a hourly rate of more than £50.00 £50.00 £70.00
UK excluding London median hourly rate £40.00 £37.50 £35.00
% change year-on-year
+6.66% +7.14%

JNI
Jobs Demand Trend in London

The demand trend of contract jobs across the London region citing JNI as a proportion of all IT contracts with a match in the Libraries, Frameworks & Software Standards category.

JNI Jobs Demand Trend in London

JNI
Daily Rate Trend in London

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

JNI Daily Rate Trend in London

JNI
Hourly Rate Trend in London

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

JNI Hourly Rate Trend in London

JNI
Top 30 Related IT Skills in London

For the 6 months to 9 December 2016, IT contractor jobs citing JNI also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for JNI.

1 10 (83.33%) C++
1 10 (83.33%) OpenGL
1 10 (83.33%) Android
1 10 (83.33%) Apple iOS
1 10 (83.33%) iOS SDK
1 10 (83.33%) Android SDK
1 10 (83.33%) Gradle
1 10 (83.33%) Android Studio
2 9 (75.00%) Algorithms
2 9 (75.00%) C
3 8 (66.67%) Python
3 8 (66.67%) Xcode
3 8 (66.67%) Android Development
3 8 (66.67%) iOS Development
3 8 (66.67%) Augmented Reality
3 8 (66.67%) Mobile Development
3 8 (66.67%) CocoaPods
3 8 (66.67%) Cross-Platform Development
4 4 (33.33%) Multithreading
4 4 (33.33%) Agile Software Development
5 3 (25.00%) Java
6 2 (16.67%) Oracle
6 2 (16.67%) OO
6 2 (16.67%) Risk Management
6 2 (16.67%) Banking
6 2 (16.67%) Spring
6 2 (16.67%) Investment Banking
6 2 (16.67%) Oracle Coherence
6 2 (16.67%) Credit Risk
6 2 (16.67%) Market Risk

JNI
Top Related IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 2 (16.67%) Oracle Coherence
Database & Business Intelligence
1 2 (16.67%) Apache Cassandra
Development Applications
1 10 (83.33%) Android Studio
1 10 (83.33%) Gradle
2 8 (66.67%) CocoaPods
2 8 (66.67%) Xcode
General
1 2 (16.67%) Banking
1 2 (16.67%) Investment Banking
2 1 (8.33%) Games
Job Titles
1 12 (100.00%) Developer
2 8 (66.67%) Mobile Developer
3 2 (16.67%) Android Developer
3 2 (16.67%) iOS Android Developer
3 2 (16.67%) iOS Developer
3 2 (16.67%) Java Developer
4 1 (8.33%) C Developer
4 1 (8.33%) C/C++ Developer
4 1 (8.33%) C++ Developer
4 1 (8.33%) Python Developer
Libraries, Frameworks & Software Standards
1 10 (83.33%) Android SDK
1 10 (83.33%) iOS SDK
1 10 (83.33%) OpenGL
2 2 (16.67%) REST
2 2 (16.67%) Spring
3 1 (8.33%) Android NDK
3 1 (8.33%) Unity (Game Engine)
Miscellaneous
1 9 (75.00%) Algorithms
2 8 (66.67%) Augmented Reality
3 2 (16.67%) Credit Risk
3 2 (16.67%) Market Risk
Operating Systems
1 10 (83.33%) Android
1 10 (83.33%) Apple iOS
Processes & Methodologies
1 8 (66.67%) Android Development
1 8 (66.67%) Cross-Platform Development
1 8 (66.67%) iOS Development
1 8 (66.67%) Mobile Development
2 4 (33.33%) Agile Software Development
2 4 (33.33%) Multithreading
3 2 (16.67%) Continuous Delivery
3 2 (16.67%) Garbage Collection
3 2 (16.67%) OO
3 2 (16.67%) Parallel Programming
3 2 (16.67%) Risk Management
Programming Languages
1 10 (83.33%) C++
2 9 (75.00%) C
3 8 (66.67%) Python
4 3 (25.00%) Java
5 1 (8.33%) Objective-C
System Software
1 2 (16.67%) Platform Symphony
Vendors
1 2 (16.67%) Oracle