The following table provides summary statistics for contract job vacancies with a requirement for JNI skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JNI over the 3 months to 30 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Java Native Interface (JNI)
UK
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 572 637 609
Rank change year-on-year +65 -28  
Contract jobs citing JNI 28 3 16
As % of all contract IT jobs advertised in the UK 0.061% 0.006% 0.030%
As % of the Libraries, Frameworks & Software Standards category 0.20% 0.020% 0.11%
Number of daily rates quoted 16 1 11
Median daily rate £525 £450 £650
Median daily rate % change year-on-year +16.66% -30.76%  
UK excluding London median daily rate - - £344
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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 contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 14295 15148 14225
As % of all contract IT job vacancies advertised in the UK 31.40% 27.98% 26.49%
Number of daily rates quoted 9923 10542 9247
Median daily rate £425 £400 £388
Median daily rate % change year-on-year +6.25% +3.22%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £563 £550 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 185 222 188
Median hourly rate £42.50 £38.75 £35.00
Median hourly rate % change year-on-year +9.67% +10.71%  
90% offered a hourly rate of more than £16.50 £13.00 £18.60
10% offered a hourly rate of more than £55.00 £60.62 £46.50
UK excluding London median hourly rate £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

JNI
Job Vacancy Trend

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

Job vacancy trend for JNI in the UK

JNI
Contractor Daily Rate Trend

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

Contractor daily rate trend for JNI in the UK

JNI
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing JNI over the 3 months to 30 March 2017.

Contractor daily rate histogram for JNI in the UK

JNI
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for JNI in the UK

JNI
Top 5 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 30 March 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 +73 28 £525 +16.66% 6
London +58 27 £525 +16.66% 5
North West - 1 - - 1
Warrington - 1 - - 1
Cheshire - 1 - - 1

For the 6 months to 30 March 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 35 (97.22%) C++
2 33 (91.67%) Java
3 27 (75.00%) Electronic Trading
4 26 (72.22%) Foreign Exchange (FX)
5 25 (69.44%) C
6 23 (63.89%) Equities
6 23 (63.89%) Multithreading
6 23 (63.89%) Low Latency
6 23 (63.89%) SDLC
7 21 (58.33%) Multithreaded Programming
7 21 (58.33%) Finance
7 21 (58.33%) ION Trading
8 17 (47.22%) Banking
9 14 (38.89%) ION MarketView
10 12 (33.33%) Degree
11 11 (30.56%) Computer Science
11 11 (30.56%) Investment Banking
11 11 (30.56%) C#
11 11 (30.56%) SQL
12 10 (27.78%) TIBCO
13 9 (25.00%) Fixed Income
14 8 (22.22%) Mathematics
14 8 (22.22%) Front Office
15 7 (19.44%) Oracle
15 7 (19.44%) Windows
16 6 (16.67%) Derivative
17 5 (13.89%) Spring
17 5 (13.89%) Rendezvous
18 4 (11.11%) Middleware
18 4 (11.11%) Reuters

JNI
Co-occurring 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 4 (11.11%) WebLogic
1 4 (11.11%) WebSphere
2 3 (8.33%) Apache
2 3 (8.33%) DataSynapse
2 3 (8.33%) Oracle Coherence
Business Applications
1 14 (38.89%) ION MarketView
2 4 (11.11%) Murex MxG2000
Cloud Services
1 3 (8.33%) Amazon AWS
1 3 (8.33%) Google Cloud Platform
Database & Business Intelligence
1 4 (11.11%) KDB
2 1 (2.78%) NoSQL
Development Applications
1 4 (11.11%) Android Studio
1 4 (11.11%) Gradle
2 2 (5.56%) CocoaPods
2 2 (5.56%) Xcode
3 1 (2.78%) Maven
General
1 21 (58.33%) Finance
2 17 (47.22%) Banking
3 11 (30.56%) Investment Banking
4 8 (22.22%) Front Office
5 1 (2.78%) Financial Institution
5 1 (2.78%) Games
5 1 (2.78%) Telecoms
Job Titles
1 34 (94.44%) Developer
2 30 (83.33%) Java Developer
3 17 (47.22%) Electronic Trading Developer
3 17 (47.22%) Electronic Trading Java Developer
4 7 (19.44%) Low Latency Java Developer
5 3 (8.33%) Cloud Developer
5 3 (8.33%) Mobile Developer
6 2 (5.56%) C++ Developer
6 2 (5.56%) C++/Java Developer
6 2 (5.56%) Electronic Trading C++ Developer
6 2 (5.56%) Senior Developer
6 2 (5.56%) Senior Java Developer
7 1 (2.78%) Analyst
7 1 (2.78%) Android Developer
7 1 (2.78%) C++ Quantitative Developer
7 1 (2.78%) Front End Developer (Client-Side Developer)
7 1 (2.78%) Front End Java Developer (Client-Side Java Developer)
7 1 (2.78%) iOS Android Developer
7 1 (2.78%) iOS Developer
7 1 (2.78%) Quantitative Developer
Libraries, Frameworks & Software Standards
1 5 (13.89%) Rendezvous
1 5 (13.89%) Spring
2 4 (11.11%) Android SDK
2 4 (11.11%) FIX Protocol
2 4 (11.11%) Hibernate
2 4 (11.11%) iOS SDK
2 4 (11.11%) Java EE
2 4 (11.11%) Java SE
2 4 (11.11%) JMS
2 4 (11.11%) Middleware
2 4 (11.11%) Murex Flex
2 4 (11.11%) OpenGL
2 4 (11.11%) Spring Integration
2 4 (11.11%) XML
2 4 (11.11%) XSLT
3 3 (8.33%) Guava
3 3 (8.33%) J2SE
4 1 (2.78%) Android NDK
4 1 (2.78%) Swing
4 1 (2.78%) Unity (Game Engine)
Miscellaneous
1 26 (72.22%) Foreign Exchange (FX)
2 23 (63.89%) Equities
3 11 (30.56%) Computer Science
4 9 (25.00%) Fixed Income
5 6 (16.67%) Derivative
6 3 (8.33%) Algorithms
6 3 (8.33%) Augmented Reality
6 3 (8.33%) Fintech
7 1 (2.78%) CUDA
7 1 (2.78%) Digital Media
7 1 (2.78%) Market Risk
Operating Systems
1 7 (19.44%) Windows
2 4 (11.11%) Android
2 4 (11.11%) Apple iOS
2 4 (11.11%) Linux
2 4 (11.11%) Unix
Processes & Methodologies
1 27 (75.00%) Electronic Trading
2 23 (63.89%) Low Latency
2 23 (63.89%) Multithreading
2 23 (63.89%) SDLC
3 21 (58.33%) Multithreaded Programming
4 8 (22.22%) Mathematics
5 4 (11.11%) Algorithmic Trading
5 4 (11.11%) High-Frequency Trading
5 4 (11.11%) Risk Management
6 3 (8.33%) Android Development
6 3 (8.33%) Data Management
6 3 (8.33%) iOS Development
6 3 (8.33%) Mobile Development
7 2 (5.56%) Business Transformation
7 2 (5.56%) Cross-Platform Development
8 1 (2.78%) Agile Software Development
8 1 (2.78%) Market Making
8 1 (2.78%) OO
8 1 (2.78%) Parallel Programming
8 1 (2.78%) Refactoring
Programming Languages
1 35 (97.22%) C++
2 33 (91.67%) Java
3 25 (69.44%) C
4 11 (30.56%) C#
4 11 (30.56%) SQL
5 2 (5.56%) Python
6 1 (2.78%) Objective-C
Qualifications
1 12 (33.33%) Degree
Quality Assurance & Compliance
1 4 (11.11%) MiFID
2 1 (2.78%) QA
Vendors
1 21 (58.33%) ION Trading
2 10 (27.78%) TIBCO
3 7 (19.44%) Oracle
4 4 (11.11%) Adobe
4 4 (11.11%) Bloomberg
4 4 (11.11%) Murex
4 4 (11.11%) Reuters
4 4 (11.11%) Sybase
5 3 (8.33%) Google
Warrington
Computer Futures
Rate: competitive
Posted: 3 days ago