JNI Contracts in the City of London

Java Native Interface (JNI)
Central London > City of London

The table below provides summary statistics for contract job vacancies advertised in the City of London requiring JNI skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited JNI over the 6 months leading up to 4 July 2025, comparing them to the same period in the previous two years.

6 months to
4 Jul 2025
Same period 2024 Same period 2023
Rank - - 170
Rank change year-on-year - - +31
Contract jobs citing JNI 0 0 3
As % of all contract jobs advertised in the City of London - - 0.086%
As % of the Libraries, Frameworks & Software Standards category - - 0.32%
Number of daily rates quoted 0 0 3
10th Percentile - - -
25th Percentile - - £625
Median daily rate (50th Percentile) - - £650
Median % change year-on-year - - +36.84%
75th Percentile - - £675
90th Percentile - - -
Central London median daily rate - - £650
% change year-on-year - - +36.84%

All Software Libraries and Frameworks
City of London

JNI falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring technical specification, industry standards, software libraries and framework skills in the City of London.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 469 508 930
As % of all contract IT jobs advertised in the City of London 25.88% 23.78% 26.63%
Number of daily rates quoted 304 348 593
10th Percentile £404 £411 £425
25th Percentile £455 £475 £505
Median daily rate (50th Percentile) £575 £575 £625
Median % change year-on-year - -8.00% +4.17%
75th Percentile £675 £706 £738
90th Percentile £762 £788 £830
Central London median daily rate £550 £565 £625
% change year-on-year -2.65% -9.60% +4.17%
Number of hourly rates quoted 1 0 1
10th Percentile - - -
25th Percentile £86.25 - -
Median hourly rate £87.50 - £53.00
Median % change year-on-year - - +11.58%
75th Percentile £88.75 - -
90th Percentile - - -
Central London median hourly rate £69.47 - £53.00
% change year-on-year - - +11.58%

JNI
Job Vacancy Trend in the City of London

Job postings citing JNI as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for JNI in the City of London

JNI
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing JNI in the City of London.

Daily rate trend for JNI in the City of London