The table below looks at the statistics for JNI skills in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited JNI over the 3 months to 18 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
18 Jan 2017
Same period 2016 Same period 2015
Java Native Interface (JNI)
UK
Rank 590 613 579
Rank change year-on-year
+23 -34
Contract jobs citing JNI 10 5 22
As % of all contract IT jobs located in the UK 0.022% 0.010% 0.044%
As % of the Libraries, Frameworks & Software Standards category 0.073% 0.034% 0.16%
Number of daily rates quoted 9 5 16
Median daily rate £525 £380 £339
Median daily rate % change year-on-year
+38.15% +12.17%
90% offered a daily rate of more than £445 £368 £313
10% offered a daily rate of more than £600 £380 £388
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 across the UK.

Libraries, Frameworks & Software Standards Category
UK
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
13751 14734 13681
As % of all contract IT jobs located in the UK 30.66% 28.97% 27.41%
Number of daily rates quoted 9453 10131 9262
Median daily rate £425 £400 £390
Median daily rate % change year-on-year
+6.25% +2.56%
90% offered a daily rate of more than £310 £300 £275
10% offered a daily rate of more than £575 £550 £550
UK excluding London median daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 160 264 181
Median hourly rate £38.00 £38.50 £33.50
Median hourly rate % change year-on-year
-1.29% +14.92%
90% offered a hourly rate of more than £16.50 £20.50 £18.50
10% offered a hourly rate of more than £52.00 £55.55 £50.00
UK excluding London median hourly rate £37.50 £37.50 £33.50
% change year-on-year
- +11.94%

JNI
Jobs Demand Trend

The demand trend of contract jobs citing JNI as a proportion of all IT contracts with a match in 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
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing JNI within the UK over the 3 months to 18 January 2017.

JNI Daily Rate Histogram 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 2 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JNI within the UK over the 3 months to 18 January 2017. 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 Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +29 10 £525 +38.15% 3
London - 10 £525 - 3

JNI
Top 30 Related IT Skills

For the 6 months to 18 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 with a requirement for JNI.

1 20 (83.33%) C++
2 16 (66.67%) C
3 15 (62.50%) Java
4 13 (54.17%) Android
5 12 (50.00%) Android Studio
6 11 (45.83%) Gradle
6 11 (45.83%) Android SDK
6 11 (45.83%) Android Development
7 10 (41.67%) OpenGL
7 10 (41.67%) Apple iOS
7 10 (41.67%) iOS SDK
8 9 (37.50%) Algorithms
8 9 (37.50%) Python
8 9 (37.50%) Multithreading
9 8 (33.33%) Xcode
9 8 (33.33%) Finance
9 8 (33.33%) Mobile Development
9 8 (33.33%) CocoaPods
9 8 (33.33%) Augmented Reality
9 8 (33.33%) iOS Development
9 8 (33.33%) Cross-Platform Development
10 7 (29.17%) Low Latency
10 7 (29.17%) Multithreaded Programming
10 7 (29.17%) SDLC
10 7 (29.17%) Foreign Exchange (FX)
10 7 (29.17%) Electronic Trading
10 7 (29.17%) Computer Science
10 7 (29.17%) ION MarketView
10 7 (29.17%) ION Trading
10 7 (29.17%) Degree

JNI
Top Related IT Skills 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 (8.33%) Apache
1 2 (8.33%) Oracle Coherence
Business Applications
1 7 (29.17%) ION MarketView
Cloud Services
1 2 (8.33%) Amazon AWS
1 2 (8.33%) Google Cloud Platform
Communications & Networking
1 2 (8.33%) MQTT
2 1 (4.17%) Internet
Database & Business Intelligence
1 1 (4.17%) NoSQL
Development Applications
1 12 (50.00%) Android Studio
2 11 (45.83%) Gradle
3 8 (33.33%) CocoaPods
3 8 (33.33%) Xcode
4 2 (8.33%) Maven
5 1 (4.17%) Ant
5 1 (4.17%) Appium
5 1 (4.17%) Artifactory
5 1 (4.17%) Atlassian Bamboo
5 1 (4.17%) Git (software)
5 1 (4.17%) Jenkins
5 1 (4.17%) Mockito
5 1 (4.17%) Robotium
5 1 (4.17%) Sonatype Nexus
5 1 (4.17%) Subversion
5 1 (4.17%) Travis CI
General
1 8 (33.33%) Finance
2 3 (12.50%) Banking
2 3 (12.50%) Investment Banking
3 2 (8.33%) Front Office
4 1 (4.17%) Games
4 1 (4.17%) Publishing
Job Titles
1 23 (95.83%) Developer
2 11 (45.83%) Java Developer
3 8 (33.33%) Mobile Developer
4 6 (25.00%) Electronic Trading Developer
4 6 (25.00%) Electronic Trading Java Developer
5 5 (20.83%) Android Developer
6 2 (8.33%) C++ Developer
6 2 (8.33%) Cloud Developer
6 2 (8.33%) iOS Android Developer
6 2 (8.33%) iOS Developer
7 1 (4.17%) Agile Developer
7 1 (4.17%) Agile Java Developer
7 1 (4.17%) Applications Developer
7 1 (4.17%) C/C++ Developer
7 1 (4.17%) C++ Quantitative Developer
7 1 (4.17%) Electronic Trading C++ Developer
7 1 (4.17%) Java Android Developer
7 1 (4.17%) Java Quantitative Developer
7 1 (4.17%) Python Developer
7 1 (4.17%) Quantitative Developer
Libraries, Frameworks & Software Standards
1 11 (45.83%) Android SDK
2 10 (41.67%) iOS SDK
2 10 (41.67%) OpenGL
3 2 (8.33%) Android NDK
3 2 (8.33%) Guava
3 2 (8.33%) J2SE
3 2 (8.33%) JSON
3 2 (8.33%) Middleware
3 2 (8.33%) Rendezvous
3 2 (8.33%) Spring
3 2 (8.33%) XML
4 1 (4.17%) REST
4 1 (4.17%) RESTful
4 1 (4.17%) RoboGuice
4 1 (4.17%) RxJava
4 1 (4.17%) Unity (Game Engine)
Miscellaneous
1 9 (37.50%) Algorithms
2 8 (33.33%) Augmented Reality
3 7 (29.17%) Computer Science
3 7 (29.17%) Equities
3 7 (29.17%) Foreign Exchange (FX)
4 4 (16.67%) Fixed Income
5 2 (8.33%) Fintech
6 1 (4.17%) CUDA
6 1 (4.17%) Internet of Things
Operating Systems
1 13 (54.17%) Android
2 10 (41.67%) Apple iOS
3 4 (16.67%) Windows
Processes & Methodologies
1 11 (45.83%) Android Development
2 9 (37.50%) Multithreading
3 8 (33.33%) Cross-Platform Development
3 8 (33.33%) iOS Development
3 8 (33.33%) Mobile Development
4 7 (29.17%) Electronic Trading
4 7 (29.17%) Low Latency
4 7 (29.17%) Multithreaded Programming
4 7 (29.17%) SDLC
5 3 (12.50%) Agile Software Development
5 3 (12.50%) OO
6 2 (8.33%) Data Management
6 2 (8.33%) Dependency Injection
7 1 (4.17%) Automated Testing
7 1 (4.17%) Continuous Integration
7 1 (4.17%) Kanban
7 1 (4.17%) OOP
7 1 (4.17%) Parallel Programming
7 1 (4.17%) Refactoring
7 1 (4.17%) Unit Testing
Programming Languages
1 20 (83.33%) C++
2 16 (66.67%) C
3 15 (62.50%) Java
4 9 (37.50%) Python
5 4 (16.67%) C#
6 1 (4.17%) Objective-C
Qualifications
1 7 (29.17%) Degree
Quality Assurance & Compliance
1 1 (4.17%) QA
Vendors
1 7 (29.17%) ION Trading
2 6 (25.00%) TIBCO
3 2 (8.33%) DataSynapse
3 2 (8.33%) Google
3 2 (8.33%) Oracle
London
Montash
Rate: £500 - £550 per day
Posted: 6 days ago
London
X4 Group
Rate: £400 - 450 per day
Posted: 6 days ago