Java Performance Optimization — JVM Tuning, GC, Query Profiling | From $349
Java application responding too slowly? High memory usage or frequent GC pauses? N+1 database query problem in your JPA/Hibernate layer? Our senior Java engineers profile your application, identify bottlenecks, and fix the top 3 performance issues — with measurable before/after results.
JVM tuning, garbage collection optimization, connection pool sizing, slow query profiling. We find the 20% of code causing 80% of your application's slowness.
"Senior engineers who actually deliver what they promise. Rare."
Thomas K., IT Manager · Austria
- ✓JVM parameter tuning (heap size, GC algorithm selection)
- ✓Garbage collection optimization (pause time vs throughput)
- ✓Connection pool sizing (JDBC, HTTP client)
- ✓Query profiling — top 10 slowest queries optimized
We'll confirm the exact price within 2 hours and send a PayPal invoice
Deliverables Included
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JVM tuning, garbage collection optimization, connection pool sizing, slow query profiling. We find the 20% of code causing 80% of your application's slowness.
Who This Service Is For
Technologies We Use
Why Java Performance Optimization Matters for Your Business
Your Java Application Is Bleeding Money Through Poor Performance: Who Needs Optimization and What Every Millisecond Costs
Understand how poor Java performance silently drains revenue through slow response times and wasted infrastructure costs.
Read the Full GuideWhat Our Clients Say
"Senior engineers who actually deliver what they promise. Fixed price, fixed timeline, thorough documentation. Rare combination."
"Worked with 4 agencies before finding Optimum Web. First team that delivered exactly what the scope said, on time."
"The 14-day warranty is real. Had a small follow-up question and it was handled same day, no extra charge."
Frequently Asked Questions
We use low-overhead profiling tools (async-profiler, JFR) that can run on production with minimal impact, or replicate the performance issue in staging with production-equivalent data.
We diagnose both. Database query optimization (slow query log, EXPLAIN, index creation) is included in scope.
Typical results: 40–80% reduction in API response time for N+1 fixes, 30–60% memory reduction from GC tuning, and 2–5x query speedup from index optimization. Results depend on the specific issues found.
Yes. Spring Batch jobs, @Scheduled tasks, and async processing thread pools are included in the performance analysis. Thread pool sizing and batch size tuning are common findings.
Yes. L2 cache setup with Ehcache or Redis, query cache configuration, and appropriate entity cache strategies are part of the JPA/Hibernate optimization.
This service includes a 14-day warranty. If anything doesn't work as specified after delivery — we fix it at no extra cost. No questions asked.
A senior engineer with 5+ years of hands-on experience. We never assign junior staff or subcontractors to fixed-price services.
Click 'Order Now', complete the secure PayPal payment, and we'll contact you within 24 hours to confirm scope and collect access details.
DIY vs Professional IT Services
| Feature | DIY | Professional (from $349) |
|---|---|---|
| Time to complete | ✗Hours to days | ✓Per agreed delivery window |
| Quality assurance | ✗Self-tested only | ✓Senior engineer review |
| Risk of errors | ✗High without experience | ✓Production-tested methods |
| Documentation | ✗Rarely included | ✓Full handoff documentation |
| Ongoing support | ✗You're on your own | ✓14-day warranty period |
| Warranty | ✗No safety net | ✓14-day fix guarantee |
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Java Application Performance Optimization — from $349, 3–5 day Delivery
Senior engineers only. Fixed price. 14-day warranty. No surprises.
We'll confirm the exact price within 2 hours and send a PayPal invoice
Or email us directly: [email protected]