The following table provides summary statistics for permanent job vacancies advertised in England with a requirement for JNI skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JNI over the 3 months to 27 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
Java Native Interface (JNI)
UK / England
Rank - 919 929
Permanent jobs citing JNI 0 13 2
As % of all permanent IT jobs advertised in England - 0.013% 0.002%
As % of the Libraries, Frameworks & Software Standards category - 0.035% 0.005%
Number of salaries quoted 0 13 2
Median salary - £80,000 £43,750
Median salary % change year-on-year - +82.85%  
UK excluding London median salary £32,500 £43,000 £36,000
% change year-on-year -24.41% +19.44%  

JNI is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in England with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
England
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 31967 37414 38219
As % of all permanent IT job vacancies advertised in England 40.23% 38.59% 37.81%
Number of salaries quoted 27513 32546 32751
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £31,500 £31,000 £30,000
10% offered a salary of more than £70,000 £65,000 £67,500
UK excluding London median salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +6.25%  

JNI
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing JNI as a proportion of all permanent or contract IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for JNI in England

JNI
Salary Trend in England

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JNI in England.

Salary trend for JNI in England

JNI
Top 30 Related IT Skills in England

For the 6 months to 27 March 2017, IT jobs citing JNI also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the England region with a requirement for JNI.

1 4 (100.00%) Java
2 3 (75.00%) Objective-C
2 3 (75.00%) Android
3 2 (50.00%) Reverse Engineering
3 2 (50.00%) Penetration Testing
3 2 (50.00%) C#
3 2 (50.00%) .NET
3 2 (50.00%) J2EE
3 2 (50.00%) Mobile Development
3 2 (50.00%) Software Delivery
3 2 (50.00%) Threat Modelling
3 2 (50.00%) Time Management
4 1 (25.00%) Identity Access Management
4 1 (25.00%) EJB
4 1 (25.00%) Linux
4 1 (25.00%) OO
4 1 (25.00%) OpenGL
4 1 (25.00%) C++
4 1 (25.00%) SQL
4 1 (25.00%) Multithreading
4 1 (25.00%) Scala
4 1 (25.00%) NoSQL
4 1 (25.00%) Apple iOS
4 1 (25.00%) Hudson
4 1 (25.00%) iOS SDK
4 1 (25.00%) Big Data
4 1 (25.00%) Gradle
4 1 (25.00%) Jenkins
4 1 (25.00%) Android SDK
4 1 (25.00%) Android Development

JNI
Top Related IT Skills in England 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:

Database & Business Intelligence
1 1 (25.00%) Big Data
1 1 (25.00%) NoSQL
Development Applications
1 1 (25.00%) Android Studio
1 1 (25.00%) Gradle
1 1 (25.00%) Hudson
1 1 (25.00%) Jenkins
Job Titles
1 2 (50.00%) Penetration Tester
1 2 (50.00%) Tester
2 1 (25.00%) Android Developer
2 1 (25.00%) Developer
2 1 (25.00%) iOS Android Developer
2 1 (25.00%) iOS Developer
2 1 (25.00%) Java Team Leader
2 1 (25.00%) Team Leader
Libraries, Frameworks & Software Standards
1 2 (50.00%) .NET
1 2 (50.00%) J2EE
2 1 (25.00%) Android NDK
2 1 (25.00%) Android SDK
2 1 (25.00%) EJB
2 1 (25.00%) iOS SDK
2 1 (25.00%) OpenGL
Operating Systems
1 3 (75.00%) Android
2 1 (25.00%) Apple iOS
2 1 (25.00%) Linux
Processes & Methodologies
1 2 (50.00%) Mobile Development
1 2 (50.00%) Penetration Testing
1 2 (50.00%) Reverse Engineering
1 2 (50.00%) Software Delivery
1 2 (50.00%) Threat Modelling
1 2 (50.00%) Time Management
2 1 (25.00%) Android Development
2 1 (25.00%) Identity Access Management
2 1 (25.00%) iOS Development
2 1 (25.00%) Multithreading
2 1 (25.00%) OO
Programming Languages
1 4 (100.00%) Java
2 3 (75.00%) Objective-C
3 2 (50.00%) C#
4 1 (25.00%) C++
4 1 (25.00%) Scala
4 1 (25.00%) SQL
City, London
Miller Maxwell Ltd
Salary: Up to £120,000 per annum + Bonus + Benefits
Posted: 5 hours ago
City, London
Client Server
Salary: £90k to £120k + bonus (100%+) + benefits
Posted: 5 days ago
London
Client Server
Salary: £90k to £120k + bonus (100%+) + benefits
Posted: 5 days ago