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 20 January 2017 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
20 Jan 2017
Same period 2016 Same period 2015
Java Native Interface (JNI)
England / London
Rank 399 - -
Rank change year-on-year
- 0
Contract jobs citing JNI 10 0 0
As % of all contract IT jobs located in London 0.051% - -
As % of the Libraries, Frameworks & Software Standards category 0.15% - -
Number of daily rates quoted 9 0 0
Median daily rate £525 - -
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 - - -

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
6705 6748 6428
As % of all contract IT jobs located in London 34.49% 32.13% 30.37%
Number of daily rates quoted 5039 5023 4835
Median daily rate £475 £450 £425
Median daily rate % change year-on-year
+5.55% +5.88%
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £600 £580 £580
UK excluding London median daily rate £375 £370 £350
% change year-on-year
+1.35% +5.71%
Number of hourly rates quoted 34 45 30
Median hourly rate £45.00 £43.00 £39.00
Median hourly rate % change year-on-year
+4.65% +10.25%
90% offered a hourly rate of more than £27.50 £24.23 £16.00
10% offered a hourly rate of more than £50.00 £55.00 £55.00
UK excluding London median hourly rate £37.50 £37.50 £33.50
% change year-on-year
- +11.94%

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
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing JNI across the London region over the 3 months to 20 January 2017.

JNI Daily Rate Histogram 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 20 January 2017, 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 20 (100.00%) C++
2 16 (80.00%) C
3 11 (55.00%) Java
4 10 (50.00%) OpenGL
4 10 (50.00%) Android
4 10 (50.00%) Apple iOS
4 10 (50.00%) iOS SDK
4 10 (50.00%) Gradle
4 10 (50.00%) Android SDK
4 10 (50.00%) Android Studio
5 9 (45.00%) Algorithms
5 9 (45.00%) Multithreading
6 8 (40.00%) Xcode
6 8 (40.00%) Finance
6 8 (40.00%) Python
6 8 (40.00%) Augmented Reality
6 8 (40.00%) Mobile Development
6 8 (40.00%) CocoaPods
6 8 (40.00%) Android Development
6 8 (40.00%) iOS Development
6 8 (40.00%) Cross-Platform Development
7 7 (35.00%) Multithreaded Programming
7 7 (35.00%) SDLC
7 7 (35.00%) Low Latency
7 7 (35.00%) ION MarketView
7 7 (35.00%) Electronic Trading
7 7 (35.00%) Computer Science
7 7 (35.00%) Degree
7 7 (35.00%) Foreign Exchange (FX)
7 7 (35.00%) Equities

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 (10.00%) Apache
1 2 (10.00%) Oracle Coherence
Business Applications
1 7 (35.00%) ION MarketView
Cloud Services
1 2 (10.00%) Amazon AWS
1 2 (10.00%) Google Cloud Platform
Database & Business Intelligence
1 1 (5.00%) NoSQL
Development Applications
1 10 (50.00%) Android Studio
1 10 (50.00%) Gradle
2 8 (40.00%) CocoaPods
2 8 (40.00%) Xcode
3 1 (5.00%) Maven
General
1 8 (40.00%) Finance
2 3 (15.00%) Banking
2 3 (15.00%) Investment Banking
3 2 (10.00%) Front Office
4 1 (5.00%) Games
Job Titles
1 19 (95.00%) Developer
2 9 (45.00%) Java Developer
3 8 (40.00%) Mobile Developer
4 6 (30.00%) Electronic Trading Developer
4 6 (30.00%) Electronic Trading Java Developer
5 2 (10.00%) Android Developer
5 2 (10.00%) C++ Developer
5 2 (10.00%) Cloud Developer
5 2 (10.00%) iOS Android Developer
5 2 (10.00%) iOS Developer
6 1 (5.00%) C Developer
6 1 (5.00%) C/C++ Developer
6 1 (5.00%) C++ Quantitative Developer
6 1 (5.00%) C++/Java Developer
6 1 (5.00%) Electronic Trading C++ Developer
6 1 (5.00%) Java Quantitative Developer
6 1 (5.00%) Python Developer
6 1 (5.00%) Quantitative Developer
Libraries, Frameworks & Software Standards
1 10 (50.00%) Android SDK
1 10 (50.00%) iOS SDK
1 10 (50.00%) OpenGL
2 2 (10.00%) Guava
2 2 (10.00%) J2SE
2 2 (10.00%) Middleware
2 2 (10.00%) Rendezvous
3 1 (5.00%) Android NDK
3 1 (5.00%) Spring
3 1 (5.00%) Unity (Game Engine)
Miscellaneous
1 9 (45.00%) Algorithms
2 8 (40.00%) Augmented Reality
3 7 (35.00%) Computer Science
3 7 (35.00%) Equities
3 7 (35.00%) Foreign Exchange (FX)
4 4 (20.00%) Fixed Income
5 2 (10.00%) Fintech
6 1 (5.00%) CUDA
Operating Systems
1 10 (50.00%) Android
1 10 (50.00%) Apple iOS
2 4 (20.00%) Windows
Processes & Methodologies
1 9 (45.00%) Multithreading
2 8 (40.00%) Android Development
2 8 (40.00%) Cross-Platform Development
2 8 (40.00%) iOS Development
2 8 (40.00%) Mobile Development
3 7 (35.00%) Electronic Trading
3 7 (35.00%) Low Latency
3 7 (35.00%) Multithreaded Programming
3 7 (35.00%) SDLC
4 2 (10.00%) Agile Software Development
4 2 (10.00%) Data Management
4 2 (10.00%) OO
5 1 (5.00%) Parallel Programming
5 1 (5.00%) Refactoring
Programming Languages
1 20 (100.00%) C++
2 16 (80.00%) C
3 11 (55.00%) Java
4 8 (40.00%) Python
5 4 (20.00%) C#
6 1 (5.00%) Objective-C
Qualifications
1 7 (35.00%) Degree
Quality Assurance & Compliance
1 1 (5.00%) QA
Vendors
1 7 (35.00%) ION Trading
2 6 (30.00%) TIBCO
3 2 (10.00%) DataSynapse
3 2 (10.00%) Google
3 2 (10.00%) Oracle