You will get Fix Your Java Backend Issue — Fast (Performance, API Errors, Deployments)
Project details
If your backend is slow, failing, or throwing hard-to-understand errors, I can help. I specialize in quickly diagnosing and fixing critical issues in Java-based systems — including API failures, performance bottlenecks, JVM problems, crashes, deployment issues, and database slowdowns.
I start by reproducing the issue, analyzing logs, and isolating the real root cause. You’ll get a clear explanation of what’s wrong and a concrete plan to fix it. In the Standard and Premium packages, I implement a clean, stable solution and validate it thoroughly to ensure everything works reliably under real conditions.
For Premium clients, I also provide full documentation: root cause details, the applied fix, and recommended prevention steps to keep your system stable long-term.
Whether your problem is urgent or just frustrating, I deliver fast, transparent, and dependable troubleshooting — so your backend runs smoothly again.
I start by reproducing the issue, analyzing logs, and isolating the real root cause. You’ll get a clear explanation of what’s wrong and a concrete plan to fix it. In the Standard and Premium packages, I implement a clean, stable solution and validate it thoroughly to ensure everything works reliably under real conditions.
For Premium clients, I also provide full documentation: root cause details, the applied fix, and recommended prevention steps to keep your system stable long-term.
Whether your problem is urgent or just frustrating, I deliver fast, transparent, and dependable troubleshooting — so your backend runs smoothly again.
Programming Languages
Java, TypeScript, KotlinCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$165
|
Standard
$275
|
Advanced
$450
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 3 days |
Number of Revisions | 1 | 1 | 2 |
Bug Investigation | |||
Fix Documentation | - | ||
Detailed Code Comments | - | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$50 - $75
Additional Revision
+$30
Fix an Additional Issue
+$125Frequently asked questions
About Christoph
Senior Java Backend Developer | API & Performance Expert
Rumst, Belgium - 2:54 am local time
You need someone who can jump in quickly, understand your system, and deliver a working fix — not in weeks, but in hours. That's exactly what I do.
I help clients with:
🔧 Fixing backend errors, crashes, and failing builds
🚀 API performance debugging (slow endpoints, high CPU, timeouts)
🧵 Threading issues, deadlocks, memory leaks
🗃️ Slow database queries & connection pool problems
📊 Monitoring setup (Grafana, OpenSearch, InfluxDB)
🐳 Docker + container troubleshooting
🧪 REST API testing & setup (RestAssured, Quarkus, Swagger)
My strengths:
I communicate clearly
I deliver incremental progress fast
I can explain what’s wrong and how to prevent it in the future
I stay laser-focused until the issue is fixed
If you need a reliable engineer who solves urgent backend or performance issues — I’m available to start immediately.
Steps for completing your project
After purchasing the project, send requirements so Christoph can start the project.
Delivery time starts when Christoph receives requirements from you.
Christoph works on your project following the steps below.
Revisions may occur after the delivery date.
Investigate the Issue
- Review logs, error messages, and client description - Reproduce the issue in a controlled environment - Identify the root cause (code, configuration, database, or infrastructure)
Propose a Fix (Basic Package)
- Provide a clear explanation of what is wrong - Outline the exact fix approach - Estimate time needed for implementation