JNI Contracts in London

Java Native Interface (JNI)
England > London

The table below provides summary statistics for contract job vacancies advertised in 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 6 July 2025, comparing them to the same period in the previous two years.

6 months to
6 Jul 2025
Same period 2024 Same period 2023
Rank - - 475
Rank change year-on-year - - +137
Contract jobs citing JNI 0 0 12
As % of all contract jobs advertised in London - - 0.047%
As % of the Libraries, Frameworks & Software Standards category - - 0.18%
Number of daily rates quoted 0 0 12
10th Percentile - - £625
25th Percentile - - £681
Median daily rate (50th Percentile) - - £750
Median % change year-on-year - - +46.34%
75th Percentile - - £838
90th Percentile - - £849
England median daily rate - - £750
% change year-on-year - - +46.34%

All Software Libraries and Frameworks
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 London.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 3,504 4,756 6,819
As % of all contract IT jobs advertised in London 26.37% 27.03% 26.52%
Number of daily rates quoted 2,442 3,492 5,137
10th Percentile £375 £375 £413
25th Percentile £428 £461 £488
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% -
75th Percentile £713 £713 £725
90th Percentile £825 £850 £813
England median daily rate £525 £550 £550
% change year-on-year -4.55% - -4.35%
Number of hourly rates quoted 24 27 43
10th Percentile £31.50 £16.25 £31.60
25th Percentile £33.25 £23.80 £48.75
Median hourly rate £48.22 £42.50 £67.50
Median % change year-on-year +13.46% -37.04% +38.48%
75th Percentile £62.81 £61.97 £75.00
90th Percentile £81.88 £75.00 £85.85
England median hourly rate £57.63 £58.30 £65.00
% change year-on-year -1.16% -10.31% +19.82%

JNI
Job Vacancy Trend in London

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

Job vacancy trend for JNI in London

JNI
Contractor Daily Rate Trend in London

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

Daily rate trend for JNI in London

JNI
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing JNI in London.

Hourly rate trend for JNI in London