You will get š SaaS App Bug Fixing + FREE Audit (MERN Stack)
Project details
š SaaS App Bug Fixing + FREE Audit (MERN Stack)
Is your SaaS app crashing, slow, or behaving unexpectedly? I help SaaS founders and teams identify, fix, and prevent bugs across the MERN stack without unnecessary features or overengineering.
I start every project with a FREE technical audit to pinpoint issues in your frontend, backend, APIs, database, or deployment. Once approved, I fix bugs cleanly, optimize performance, and improve stability so your app is ready for users and scale.
What I work with:
ā« React / Next.js frontends
ā« Node.js & Express backends
ā« MongoDB & API integrations
ā« Performance, security & error handling
ā« Production & deployment issues
Clear communication, fast turnaround, and production-safe fixes, so your SaaS works the way it should.
Is your SaaS app crashing, slow, or behaving unexpectedly? I help SaaS founders and teams identify, fix, and prevent bugs across the MERN stack without unnecessary features or overengineering.
I start every project with a FREE technical audit to pinpoint issues in your frontend, backend, APIs, database, or deployment. Once approved, I fix bugs cleanly, optimize performance, and improve stability so your app is ready for users and scale.
What I work with:
ā« React / Next.js frontends
ā« Node.js & Express backends
ā« MongoDB & API integrations
ā« Performance, security & error handling
ā« Production & deployment issues
Clear communication, fast turnaround, and production-safe fixes, so your SaaS works the way it should.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$100
|
Standard
$250
|
Advanced
$650
|
|---|---|---|---|
| Delivery Time | 1 day | 4 days | 7 days |
Number of Revisions | Unlimited | Unlimited | Unlimited |
Number of Pages | 4 | 12 | 18 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Content Upload
(+ 1 Day)
+$70Frequently asked questions
7 reviews
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JS
Jim S.
Oct 12, 2025
Enhance a MERN stack developed app.
MB
Martin B.
Aug 10, 2025
Full stack web development
It was our third project completed successfully. Highly recommended.
MB
Martin B.
Jun 13, 2025
Web Developer Needed to Fix Bugs
Working with Imran was a wonderful experience. I really enjoyed working with this talented guy. Thank you
AK
Amin K.
Apr 26, 2025
Fix parlaymedical.com/parlayimplants.com access
MB
Martin B.
Apr 5, 2025
Full Stack Developer Needed
It was a great experience to work with Imran. I highly recommend this Full Stack Developer. Very responsive and technical person to work.
About Imran
Founding Full-Stack AI Engineer | MERN, Next.js & Custom AI SaaS MVPs
81%
Job Success
Lahore Cantt, PakistanĀ - 6:54 pm local time
"Working with Imran was a great experience. Highly recommend this Full-Stack Developer - very responsive, technical, and reliable."
šš¼š¼šøš¶š»š“ š³š¼šæ š® šš¼šš»š±š¶š»š“ ššš¹š¹-š¦šš®š°šø šš šš»š“š¶š»š²š²šæ šš¼ šµš²š¹š½ š¹š®šš»š°šµ š®š»š± šš°š®š¹š² šš¼ššæ šš š¦š®š®š¦?
I am a 5.0-star rated Full-Stack MERN, Next.js, and AI Engineer with 7+ years of experience building production-ready web applications, scalable microservices, and AI-driven platforms.
Whether you need a technical co-founder equivalent to own your product architecture or an expert to build your MVP from scratch, I engineer platforms designed to handle real user growth without technical debt or costly rewrites.
š£šš¦š§ š„šš¦šØšš§š¦ šš¦ š šš¢šØš”ššš”š ššš©ššš¢š£šš„:
- Bondex: Web3 Talent SaaS - Raised $700K within 11 months of launch and scaled to $8M in profit.
- ChronlyAI: IT Workforce SaaS - Delivered $340K ROI within 8 months.
- PyConItalia: Community & Event Platform - Scaled platform to 15,000+ active members.
šš¢š„š š§šššš”šššš ššš£šššššš§ššš¦:
- Full-Stack Web Development: React, Next.js, TypeScript, Node.js, Express, MongoDB, PostgreSQL, Tailwind CSS.
- Applied AI & LLM Engineering: RAG pipelines, Fine-tuning, Vector DBs (Pinecone, Pgvector), OpenAI, Claude, Gemini, LangChain, LlamaIndex.
- SaaS Infrastructure: Stripe / PayPal subscription logic, automated webhooks, RESTful & GraphQL APIs, JWT / OAuth authentication.
- Workflow Automation & Pipelines: N8n, Python automation scripts, background workers, and queue management (Redis / BullMQ).
š š¬ š°-š¦š§šš£ ššš©ššš¢š£š šš”š§ š£š„š¢ššš¦š¦:
1. Architecture & Blueprint: Tech stack selection, DB schema design, and AI model scoping aligned with your runway.
2. Rapid MVP Build: Iterative full-stack development with clean code standards and continuous integration.
3. AI Optimization & Testing: Prompt tuning, vector retrieval accuracy checks, latency reduction, and token cost caps.
4. Production Launch & Handoff: Deployment (Vercel, AWS, Render), CI/CD setup, monitoring, and clear documentation.
šŖšš¬ šš¢šØš”ššš„š¦ š£šš„š§š”šš„ šŖšš§š š š:
- Business-First Engineering: Every architectural decision is driven by user acquisition, system reliability, and cost efficiency.
- Direct & Proactive Communication: 40 hours/week availability (EST / CST / PST overlap) with response times under 30 minutes during working hours.
- Zero Technical Debt: Clean, modular codebase ready for future developer onboarding or investor due diligence.
If you need a reliable engineer to take full technical ownership of your product while you focus on growth and fundraising, let us talk.
Click "Message" or "Invite" to discuss your project roadmap today.
Best regards,
Imran Shahzad
Some great keywords to get noticed by awesome people like you;
| Full-Stack Developer | saas Development | mvp development
| JavaScript | TypeScript | TailwindCSS | Bootstrap | React | Node.js
| Supabase | MongoDB | SQL | Optimization | Next.js | FintechSaaS
| Fintech MVP | HealthCareSaaS | HealthCare MVP
| Ecommerce store development | Multivendor Store MVP
| Social Media Web App | Full-Stack Developer | Next.js Developer
| Web Application Development | SaaS Application Development
| AI-Powered Web App | OpenAI API Integration | FastAPI Backend
| SEO Optimized Websites | High-Performance Web Apps
| Event Website Development | Dynamic Web Applications
| Frontend & Backend Development | Scalable Web Solutions
| Real-Time Web Apps | Healthcare | Fashion industry | skincare industry
Food industry | Fitness & Healthcare | Fintech industry
Full-Stack Developer | Web Full-Stack Developer | SaaS Full-Stack Developer
full stack developer | Web full-stack developer | SaaS Full-Stack Developer
Steps for completing your project
After purchasing the project, send requirements so Imran can start the project.
Delivery time starts when Imran receives requirements from you.
Imran works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements & Access
Client purchases the project and shares app details, issues, and access.
FREE Technical Audit
I review the MERN stack to identify bugs, risks, and optimization areas.