Launch Engineer Needed – Fix Final Broken Features + Stabilize Live AppFreelanceJobs • Canada
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Launch Engineer Needed – Fix Final Broken Features + Stabilize Live App
FreelanceJobs
- Canada
- Canada
About
Experience: Expert / Senior
Start: Immediately
Live App:
The Situation
My AI fintech web app is already built, designed, and LIVE online.
This is not a build-from-scratch job.
The platform is functional and polished visually, but a few key functions are currently failing and preventing a smooth user experience.
I need a senior engineer who can jump into an existing codebase, diagnose issues quickly, fix what's broken, and stabilize the app for launch.
What You'll Be Responsible For
Feature Repair
Identify why several core functions are failing
Repair broken backend logic
Fix API / database calls
Ensure AI-driven features execute correctly
Full Flow Stabilization
Make the app run smoothly end-to-end
Remove inconsistent behavior
Add strong error handling
Ensure every feature works consistently in real use
Production-Readiness
Confirm environment variables and deployment settings
Test user flows thoroughly
Ensure performance and stability are solid
Tech Notes
Built on Replit
AI integration included
Web-based fintech/credit intelligence app
Live at
Timeline
This must be completed within 7 business days.
If you can't move fast and work independently, this is not the right fit.
Who I'm Looking For
Senior full-stack engineer (5+ years)
Strong debugging skills
Experience fixing broken production apps
Comfortable working inside an existing system
AI API integration experience (OpenAI)
Bonus:
Experience cleaning up Replit-based builds
Experience migrating off Replit (if needed)
To Apply (Required)
Please include:
Confirmation you can finish in 7 business days
A quick example of an app you stabilized or "rescued"
Your experience with AI integrations
Your approach to debugging quickly and efficiently
Contract duration of 1 to 3 months.
Mandatory skills: Web Application, AI Development, Java, JavaScript
Languages
- English
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