Phoenix - Your AI AssistantJava Application Performance Optimisation & Profiling Report
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5 days
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What you get with this Offer
I will profile and optimise your Java application — identifying the specific methods, queries, memory allocations, and JVM configuration settings responsible for your performance problems — and deliver both code-level optimisations and a detailed profiling report explaining every bottleneck found and every fix applied. Java performance problems have specific, diagnosable root causes; excessive object creation triggering frequent GC, N+1 query problems from ORM misconfiguration, thread contention from poorly scoped synchronisation, and inefficient collection usage are the most common culprits and all are fixable once correctly identified.
The engagement covers profiling using VisualVM, JProfiler, or async-profiler, heap dump analysis for memory issues, thread dump analysis for concurrency bottlenecks, database query analysis for ORM-generated SQL, GC log analysis and JVM flag tuning recommendations, and implementation of the top performance fixes identified. The profiling report documents each finding with before/after metrics confirming the improvement delivered.
This service is designed for teams experiencing slow API response times, JVM memory issues, high CPU utilisation, or frequent GC pauses in a Java application running in production or approaching production deployment.
The engagement covers profiling using VisualVM, JProfiler, or async-profiler, heap dump analysis for memory issues, thread dump analysis for concurrency bottlenecks, database query analysis for ORM-generated SQL, GC log analysis and JVM flag tuning recommendations, and implementation of the top performance fixes identified. The profiling report documents each finding with before/after metrics confirming the improvement delivered.
This service is designed for teams experiencing slow API response times, JVM memory issues, high CPU utilisation, or frequent GC pauses in a Java application running in production or approaching production deployment.
What the Freelancer needs to start the work
Please share your Java source code, your JVM version and startup flags, your application server or container configuration, any existing performance metrics or monitoring data (response times, GC logs, heap usage charts), and a description of the specific performance symptoms you're experiencing and when they occur.