Period
to 23 November 2017

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 6 months to 23 November 2017 with a comparison to the same period in the previous 2 years.

Java Native Interface (JNI)
UK > England
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 1112 1187 1255
Rank change year-on-year +75 +68 +35
Permanent jobs citing JNI 54 16 22
As % of all permanent IT jobs advertised in England 0.032% 0.009% 0.011%
As % of the Libraries, Frameworks & Software Standards category 0.080% 0.023% 0.028%
Number of salaries quoted 27 14 26
England median annual salary £45,000 £70,000 £75,000
Median salary % change year-on-year -35.71% -6.67% +36.36%
10th Percentile £33,250 £65,000 £52,125
90th Percentile £95,000 £88,500 £77,500
UK median annual salary £45,000 £70,000 £60,000
% change year-on-year -35.71% +16.67% -4.00%

JNI is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in England with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
England
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 67897 70031 78219
As % of all permanent IT jobs advertised in England 40.23% 39.09% 38.23%
Number of salaries quoted 56913 61276 67484
England median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £30,000 £28,750 £27,500
90th Percentile £77,500 £77,500 £75,000
UK median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% +1.12%

JNI
Job Vacancy Trend in England

Job postings citing JNI as a percentage of all IT jobs advertised in England.

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
Salary Histogram in England

The salary distribution of IT jobs citing JNI in England over the 6 months to 23 November 2017.

Salary histogram for JNI in England

JNI
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JNI within the England region over the 6 months to 23 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +34 33 £60,000 -14.29%
East of England - 10 £40,000 -
North of England +10 8 £35,000 -50.00%
North East - 7 £35,000 -
South East - 3 £45,000 -
North West -22 1 - -
JNI
UK

For the 6 months to 23 November 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 50 (92.59%) Java
2 46 (85.19%) C++
3 32 (59.26%) Linux
4 28 (51.85%) C
5 27 (50.00%) Software Engineering
6 19 (35.19%) Windows
6 19 (35.19%) Android
7 16 (29.63%) Git (software)
7 16 (29.63%) SDLC
8 15 (27.78%) React
9 13 (24.07%) Multithreading
9 13 (24.07%) C#
10 12 (22.22%) Fixed Income
10 12 (22.22%) JIRA
10 12 (22.22%) Derivative
10 12 (22.22%) Interest Rate Derivative
10 12 (22.22%) ZeroMQ
11 10 (18.52%) Kafka
11 10 (18.52%) Apache Hive
11 10 (18.52%) Apache Cassandra
11 10 (18.52%) Google
11 10 (18.52%) Apache
11 10 (18.52%) Apache Spark
12 9 (16.67%) Agile Software Development
12 9 (16.67%) Apple iOS
12 9 (16.67%) Computer Science
12 9 (16.67%) AngularJS
13 8 (14.81%) REST
13 8 (14.81%) Subversion
13 8 (14.81%) Mathematics

JNI
Co-occurring 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:

Application Platforms
1 10 (18.52%) Apache
1 10 (18.52%) Apache Spark
2 7 (12.96%) SharePoint
3 3 (5.56%) JBoss
3 3 (5.56%) WildFly
4 1 (1.85%) Ethereum
Applications
1 4 (7.41%) Microsoft Excel
Business Applications
1 6 (11.11%) ION MarketView
Cloud Services
1 5 (9.26%) Google Play
2 1 (1.85%) GitHub
Communications & Networking
1 7 (12.96%) Bluetooth
2 3 (5.56%) HTTP
2 3 (5.56%) SSH
2 3 (5.56%) VoIP
Database & Business Intelligence
1 10 (18.52%) Apache Cassandra
1 10 (18.52%) Apache Hive
2 6 (11.11%) GIS
2 6 (11.11%) PostgreSQL
2 6 (11.11%) RDBMS
2 6 (11.11%) Relational Database
2 6 (11.11%) SQL Server
3 4 (7.41%) Berkeley DB
4 3 (5.56%) Geospatial Data
5 1 (1.85%) Blockchain
Development Applications
1 16 (29.63%) Git (software)
2 12 (22.22%) JIRA
3 8 (14.81%) Subversion
4 6 (11.11%) CppUnit
5 5 (9.26%) Gradle
6 3 (5.56%) Jenkins
7 2 (3.70%) Android Studio
8 1 (1.85%) Bitbucket
General
1 8 (14.81%) Finance
1 8 (14.81%) Front Office
2 3 (5.56%) Military
3 1 (1.85%) Advertising
3 1 (1.85%) Legal
3 1 (1.85%) Marketing
Job Titles
1 26 (48.15%) Software Engineer
2 25 (46.30%) Developer
3 10 (18.52%) C Software Engineer
3 10 (18.52%) C/C++ Software Engineer
3 10 (18.52%) C++ Software Engineer
3 10 (18.52%) Java Developer
4 9 (16.67%) Senior Software Engineer
5 7 (12.96%) C++ Developer
6 6 (11.11%) Android Developer
6 6 (11.11%) Electronic Trading Developer
6 6 (11.11%) Electronic Trading Java Developer
6 6 (11.11%) Embedded Engineer
6 6 (11.11%) Embedded Software Engineer
7 5 (9.26%) C/C++ Embedded Software Engineer
7 5 (9.26%) Embedded C Engineer
7 5 (9.26%) Embedded C Software Engineer
7 5 (9.26%) Embedded Linux Engineer
7 5 (9.26%) Linux Engineer
7 5 (9.26%) Principal Engineer
7 5 (9.26%) Principal Software Engineer
Libraries, Frameworks & Software Standards
1 15 (27.78%) React
2 12 (22.22%) ZeroMQ
3 10 (18.52%) Kafka
4 9 (16.67%) AngularJS
5 8 (14.81%) REST
6 6 (11.11%) .NET
6 6 (11.11%) Android SDK
6 6 (11.11%) JDBC
6 6 (11.11%) ODBC
6 6 (11.11%) POSIX
7 4 (7.41%) Angular 2
7 4 (7.41%) Protocol Buffers
8 3 (5.56%) Apache Flex
8 3 (5.56%) HTML
8 3 (5.56%) HTML5
8 3 (5.56%) J2EE
8 3 (5.56%) Java EE
8 3 (5.56%) Web Services
8 3 (5.56%) XMPP
9 1 (1.85%) JSON
Miscellaneous
1 12 (22.22%) Derivative
1 12 (22.22%) Fixed Income
1 12 (22.22%) Interest Rate Derivative
2 9 (16.67%) Computer Science
3 6 (11.11%) EMV
3 6 (11.11%) Equities
3 6 (11.11%) Foreign Exchange (FX)
3 6 (11.11%) Mobile App
3 6 (11.11%) Smartcard
4 5 (9.26%) EPoS
5 3 (5.56%) Virtual Team
6 2 (3.70%) User Experience
7 1 (1.85%) Algorithms
7 1 (1.85%) Analytical Skills
7 1 (1.85%) Bitcoin
7 1 (1.85%) Contactless
7 1 (1.85%) Fintech
7 1 (1.85%) Management Information System
Operating Systems
1 32 (59.26%) Linux
2 19 (35.19%) Android
2 19 (35.19%) Windows
3 9 (16.67%) Apple iOS
4 6 (11.11%) AIX
4 6 (11.11%) Solaris
4 6 (11.11%) Unix
5 4 (7.41%) openSUSE
5 4 (7.41%) Red Hat Enterprise Linux
5 4 (7.41%) SUSE
Processes & Methodologies
1 27 (50.00%) Software Engineering
2 16 (29.63%) SDLC
3 13 (24.07%) Multithreading
4 9 (16.67%) Agile Software Development
5 8 (14.81%) Mathematics
6 7 (12.96%) Low Latency
6 7 (12.96%) Mobile Development
7 6 (11.11%) Android Development
7 6 (11.11%) Electronic Trading
7 6 (11.11%) OO
8 5 (9.26%) MVC
8 5 (9.26%) Scenario Testing
9 4 (7.41%) Analytics
9 4 (7.41%) Risk Management
10 3 (5.56%) Information Security
10 3 (5.56%) Penetration Testing
10 3 (5.56%) Scrum
10 3 (5.56%) Security Management
10 3 (5.56%) Test Automation
10 3 (5.56%) Time Management
Programming Languages
1 50 (92.59%) Java
2 46 (85.19%) C++
3 28 (51.85%) C
4 13 (24.07%) C#
5 7 (12.96%) FoxPro (VFP)
5 7 (12.96%) JavaScript
6 6 (11.11%) Objective-C
7 5 (9.26%) Bash Shell
7 5 (9.26%) Embedded C
7 5 (9.26%) Embedded C++
8 4 (7.41%) VBA
9 3 (5.56%) ActionScript
9 3 (5.56%) Groovy
9 3 (5.56%) Kotlin
9 3 (5.56%) SQL
10 1 (1.85%) PHP
Qualifications
1 8 (14.81%) Degree
2 3 (5.56%) Computer Science Degree
2 3 (5.56%) Security Cleared
Quality Assurance & Compliance
1 5 (9.26%) QA
Systems Management
1 4 (7.41%) Grafana
1 4 (7.41%) Graphite
Vendors
1 10 (18.52%) Google
2 6 (11.11%) ION Trading
2 6 (11.11%) Oracle
3 1 (1.85%) Apple