Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix one critical nodejs, react, python, java runtime error or blocker
Jamie MD
About this gig
Production software breaks. Whether you are scaling enterprise pipelines or "vibe coding" an app with LLMs like Claude or ChatGPT, terminal runtime crashes can stall your momentum completely. When AI code hallucinations hit a wall, components crash on render, or a Node.js backend throws unhandled exceptions you cannot track down, you need targeted remediation.
I am an engineering lead specializing in modern JavaScript/TypeScript ecosystems. I isolate, diagnose, and repair broken codebases built on Node.js, Express, React, and Next.js.
What this service includes:
- Isolation of one (1) specific error message or deployment failure.
- Root-cause analysis of the architectural or logical flaw.
- Implementation of the clean code fix and local verification.
Strict Scope Boundaries: This service is strictly for fixing existing, broken code. It does not include building new features, refactoring unrelated modules, or conducting live calls. Multiple distinct fixes require separate milestones defined before work begins.
Send your repository access, exact error logs, and steps to reproduce. Let's get it fixed.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Jamie MD
Jamie MD
Senior Systems Architect Application Debugging, AI Automation Expert
- FromCanada
- Member sinceNov 2019
- Avg. response time1 hour
Languages
English
Senior Software Engineer specializing in full-stack debugging, system recovery, and custom API integration pipelines. Over an 8-year career managing enterprise architectures, I have stabilized production code built on Node.js, React, Express, and Python.
I operate asynchronously to provide deterministic fixes to explicit system failures. Whether resolving event loop blocks, React render faults, or broken webhooks, I isolate the bottleneck and deploy clean remediation on your timeline.
Open-source reference: github.com/jmcleandavis/payload-sanitizer
FAQ
What do I need to provide before you can start working on my app?
To begin work immediately, you must provide three things: full repository access (GitHub/GitLab), the exact error log or stack trace of the failure, and a brief list of steps required to reproduce the bug. Having this data ready ensures a rapid, surgical fix.
What happens if my application has multiple different bugs or errors?
This specific gig is priced and scheduled to isolate and resolve one (1) single runtime blocker or deployment failure. If your codebase has multiple unrelated bugs, please message me first. We will audit the issues and set up separate milestones for each fix.
Can we hop on a live Zoom, Teams, or Google Meet call to debug together?
No. To maintain a highly efficient and uninterrupted engineering workflow, I operate entirely asynchronously. I do all troubleshooting, patch implementations, and local verifications independently in my lab and deliver the clean, documented solution directly to your dashboard.
Does this gig include adding a new feature or changing my app's layout?
No. This service is strictly engineered for emergency code recovery and debugging existing architecture. It does not cover building new UI components, adding database fields, refactoring operational modules, or implementing new features.
