You will get Fixed MERN Stack Bugs & Optimized Slow React / Node.js Applications
Project details
I will identify, fix, and optimize issues in your MERN stack application — whether it’s broken functionality, slow API responses, frontend performance problems, or bad architecture causing delays.
This service is for real projects, not demos. I work on existing React, Node.js, Express, and MongoDB applications to fix bugs at the root level instead of applying temporary patches.
Common problems I fix include slow data loading, API delays, authentication issues, broken CRUD operations, state management bugs, and deployment-related performance issues.
You’ll get clean fixes, measurable improvements, and clear explanations of what was wrong and how it was solved — so your app becomes stable and usable again.
If your app is slow, broken, or unreliable, this service is designed exactly for that.
This service is for real projects, not demos. I work on existing React, Node.js, Express, and MongoDB applications to fix bugs at the root level instead of applying temporary patches.
Common problems I fix include slow data loading, API delays, authentication issues, broken CRUD operations, state management bugs, and deployment-related performance issues.
You’ll get clean fixes, measurable improvements, and clear explanations of what was wrong and how it was solved — so your app becomes stable and usable again.
If your app is slow, broken, or unreliable, this service is designed exactly for that.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$60
|
Standard
$100
|
Advanced
$180
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 6 days |
Number of Revisions | 2 | 3 | 4 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Urgent Fix (24 hours)
(+ 1 Day)
+$30
Deployment / Hosting Performance Fix
(+ 1 Day)
+$80Frequently asked questions
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SK
Shaquib K.
Feb 4, 2025
Build a React App for Diabetes Management with Dashboard & Doctor Appointments
"I reached out to Md.Aadil.T after posting this job and within 30 minutes, we were talking about the project and he understood what we were trying to accomplish. Fast forward a couple weeks, and we've a very great understandings with his help on all of the development work. Looking forward to working with Aadil again.
SS
Sarfaraz S.
Sep 14, 2022
Looking for WordPress Website Designer
Very positive experience! Most importantly, the quality of work was perfect, the communication was excellent, and the turnaround was very fast. Went above and beyond. Will definitely hire again for future projects. Highly recommended!
HM
Han M.
Mar 20, 2022
Wordpress website in arabic using plugin
I delayed the project from my end, the freelancer followed up proactively and waited patiently. Also delivered work in great time, and assisted with some additional inputs beyond scope of work. Highly recommend A+++
About Aadil
SaaS Dashboard & Full-Stack MERN Developer | React & Next.js
Ranchi, India - 10:26 pm local time
Clients hire me when they need a real developer who can design, build, and ship complete applications — not basic landing pages or one-off components.
I’ve built four full SaaS systems end-to-end:
• CRM Dashboard
• LMS Platform
• Multi-Tenant Admin Panel
• Realtime Collaboration App
These projects prove my expertise in complex UI workflows, multi-role systems, analytics dashboards, and scalable backend logic.
--- What I Build (Specialization)
- SaaS Apps & Internal Tools
- Multi-Role / Multi-Tenant Admin Panels
- CRM / LMS / ERP Dashboards
- Full-Stack MERN Applications
- Authentication systems (JWT, RBAC, OAuth)
- REST & GraphQL APIs
- Realtime features (presence, activity, collaboration)
---Tech Expertise (Rank-Boost Optimized Keywords)
Frontend:
React, Next.js, TypeScript, Tailwind CSS, Shadcn UI, Zustand, React Query, Recharts
Backend:
Node.js, Express.js, MongoDB, PostgreSQL, Prisma, REST APIs, GraphQL
Platforms:
Firebase, Supabase, Cloudflare, Vercel, Render, Docker, Git
Steps for completing your project
After purchasing the project, send requirements so Aadil can start the project.
Delivery time starts when Aadil receives requirements from you.
Aadil works on your project following the steps below.
Revisions may occur after the delivery date.
Issue Analysis
I review your codebase, logs, and problem description to identify root causes.
Bug Fixing / Optimization
Fix frontend, backend, database, or integration issues based on scope.