Improve Java Performance!

Job ID: 37207767

Budget: $250 – $750 USD

***Freelancers Only! No Agencies!

I have a Java Android app that is running face recognition and detection functions on several screens simultaneously. I need to improve the speed and overall performance by developing a queue management piece to manage the cropped faces, and to add multi-threading.
***I'm looking for an experienced Java developer who understands what it takes to make face recognition run quickly and smoothly.

+ Must have Java expertise.
+ C++ is an advantage
+ Video calls in English for ongoing communication - MUST!
Please start your message with the words: "I have proven experience with Java multithreading!"
If you don't, just don't apply. Thank you.