You will get get a full SaaS technical audit with a prioritized System Health Report

Oussama I.Status: Offline
Oussama I. Oussama I.
5.0
Top Rated

Let a pro handle the details

Buy Web Application Programming services from Oussama, priced and ready to go.
Oussama I.Status: Offline
Oussama I. Oussama I.
5.0
Top Rated

Let a pro handle the details

Buy Web Application Programming services from Oussama, priced and ready to go.

Project details

Your SaaS app is live but something's wrong. Pages are slow, bugs keep resurfacing, deployments feel risky, and you're not sure if the codebase can handle growth. Before you spend $15K+ on a rescue or rewrite, get clarity.

We audit your codebase, infrastructure, and architecture, then deliver a System Health Report — a prioritized, plain-English roadmap of exactly what needs fixing, what can wait, and how long each fix will take.

What we review: auth flows, payment logic (Stripe), database design, API structure, performance bottlenecks, security vulnerabilities, CI/CD pipeline, and deployment setup.

What you get: a written report with every issue categorized by severity, estimated fix time for each, and a clear action plan. No jargon, no fluff — just what's broken and how to fix it.

Built for SaaS founders who need clarity before hiring a CTO, raising a round, or deciding between rescuing and rebuilding.

Tech: Next.js, TypeScript, React, Node.js, PostgreSQL, Supabase, Stripe, AWS/Vercel.

We've completed 48 projects with a 100% Job Success Score. Every project rated 5 stars.
Programming Languages
JavaScript, Python, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Security
What's included
Service Tiers Starter
$1,500
Standard
$2,500
Advanced
$4,000
Delivery Time 5 days 7 days 10 days
Number of Revisions
123
Design Customization
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Content Upload
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Responsive Design
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Source Code
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Frequently asked questions

5.0
28 reviews
100% Complete
1% Complete
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1% Complete
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1% Complete
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1% Complete
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JS

Jakob S.
5.00
Jun 9, 2026
NextJS 15 - Integrate Paddle Billing with SuperTokens/Prisma

AF

Annabel F.
5.00
Mar 23, 2026
Refactoring and bug fixes for vibe-coded project - production ready Oussama played a critical role in turning our SaaS start up around at a time when the platform was unstable and at risk. He stepped in, refactored the existing codebase, implemented key new features, and brought everything up to a production-ready standard in an impressively short timeframe. His ability to move fast without compromising on quality gave us the stability and confidence we needed to launch and grow. Quite simply, he helped save the project.

MK

Maximilien K.
5.00
Feb 8, 2026
Full-Stack Developer for Interactive E-Learning Platform (Supabase + V0.dev)

JE

Jeremy E.
5.00
Jan 14, 2026
Modify next-firebase-auth-edge Implementation to Include Custom User Roles from Payload CMS

AC

Abdel C.
5.00
Oct 28, 2025
SEO optimization and back linking Awesome job
Oussama I.Status: Offline

About Oussama

Oussama I.Status: Offline
Senior Next.js & TypeScript Engineer | SaaS Rescue & AI Integration
100% Job Success
5.0  (28 reviews)
Sfax, Tunisia - 9:57 am local time
Senior full-stack developer specializing in SaaS rescue work across Next.js, TypeScript, and React. Most engagements start with a broken MVP built too fast on Replit, Lovable, or v0, and need to become something real users won't break.

Founders typically show up in one of three moments.
- The first: the MVP works in a demo but nobody trusts it with paying customers. Auth is leaking sessions. Stripe webhooks fire sometimes. The database schema was written in a hurry and every new feature turns into a week of firefighting.
- The second: the app is about to face an audit. A pilot with a bigger customer, a funding round, or an acquisition conversation, and the codebase won't survive due diligence.
- The third: an AI feature needs to ship. A chatbot, a RAG system, an LLM pipeline built on OpenAI or LangChain, and what was a weekend prototype now needs rate limits, monitoring, and a real architecture behind it.

The most common thing to fix: a Stripe webhook that silently drops 5% of subscriptions and no one notices until the MRR chart flatlines a month later.

Over the last two years, rescue engagements have shipped founders to their first paying users, through seed due diligence, and past pilot deployments with enterprise customers.

The Stack
Next.js, TypeScript, React, Node.js, PostgreSQL, Supabase, Firebase, Stripe, OpenAI API, LangChain, FastAPI, AWS, and Vercel. The work tends to be refactoring, hardening authentication and RBAC, fixing payment flows, migrating databases, and writing the tests and CI/CD pipelines that should have been there from day one.

How engagements run
No open-ended hourly coding. Every project runs as a structured 4-week sprint:
• Week 1, The Audit. Deep code review, ending in a written System Health Report and a prioritized roadmap.
• Weeks 2 and 3, The Hardening. Auth secured. Stripe fixed. Data models refactored. Architectural gaps closed before they break at scale.
• Week 4, The Handover. Staging environments, CI/CD, monitoring, and Loom walkthroughs so whoever comes next isn't lost.

The end state: a codebase that passes due diligence, an auth layer worth trusting, and infrastructure that handles 10x growth without a rewrite.
Outside of rescue work, engagements also include building SaaS products from scratch and integrating AI features into existing apps. Chatbots, RAG systems, semantic search, workflow automation, and LLM pipelines that are production-ready instead of demo-quality.

💬 "My project was a total mess, built on Replit by a non-coder, in a way most developers refused to touch. Oussama said 'I love a messy project to tackle,' and he delivered. He refactored an almost unworkable codebase, fixed 300+ items, and got me to launch. 5 weeks later, 300+ paying users." — Annabel F., Founder

Only one or two founders at a time. A deliberate choice, because rescue work is high-trust, and doing it properly for a few beats doing it badly for many.
If your prototype is in trouble, send an invite with a link to the repo. A System Health Report comes back within 24 hours, no charge, no sales call.

Steps for completing your project

After purchasing the project, send requirements so Oussama can start the project.

Delivery time starts when Oussama receives requirements from you.

Oussama works on your project following the steps below.

Revisions may occur after the delivery date.

Codebase Access & Initial Review

We review your repo, run the app locally, and map the architecture — modules, dependencies, database schema, API structure, and deployment setup.

Deep Technical Audit

We audit auth flows, payment logic, database design, API endpoints, performance bottlenecks, and security vulnerabilities. Every issue is documented and categorized by severity.

Review the work, release payment, and leave feedback to Oussama.