You will get SaaS Backend Core Engine – Spring Boot, Stripe Billing,

Salaheddine S.Status: Offline
Salaheddine S. Salaheddine S.
Rising Talent

Let a pro handle the details

Buy Web Application Programming services from Salaheddine, priced and ready to go.
Salaheddine S.Status: Offline
Salaheddine S. Salaheddine S.
Rising Talent

Let a pro handle the details

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

Project details

I will create a complete, clear, and professional technical documentation package for your system (SaaS, API, mobile app, dashboard, automation tool, CRM, etc.).
With 6+ years of experience building enterprise-grade platforms (cloud, microservices, multi-tenant SaaS, DevOps, and API-driven systems), I deliver high-quality documentation that eliminates confusion and aligns your developers, clients, or investors.
You will receive structured, clean, and developer-ready documentation including diagrams, workflows, architecture, data models, feature specifications, and technical recommendations.
Programming Languages
HTML & CSS, JavaScript, Java
What's included
Service Tiers Starter
$500
Standard
$2,500
Advanced
$9,000
Delivery Time 10 days 21 days 45 days
Number of Revisions
235
Number of Pages
51540
Design Customization
-
-
-
Content Upload
-
-
-
Responsive Design
-
-
-
Source Code
Optional add-ons You can add these on the next page.
Fast Delivery
+$150 - $1,500
Additional Revision
+$30
Extra API Endpoint / DB Table (+ 1 Day)
+$80
Authentication + Role-Based Access (RBAC) (+ 3 Days)
+$200
Cloud Deployment (AWS / GCP / Render / Railway) (+ 2 Days)
+$150

Frequently asked questions

Salaheddine S.Status: Offline

About Salaheddine

Salaheddine S.Status: Offline
Senior SaaS & AI Engineer | Spring Boot, Stripe, OpenAI, RAG
Antony, France - 5:34 pm local time
Senior Spring Boot SaaS Engineer | AI & Stripe Integrations

Founder of Asiora — production SaaS platforms using LLM/RAG architectures for B2B clients => (asiora.fr).

I help startups and SMBs build production-grade SaaS products — fast, secure, and scalable.

What I deliver:
✅ Full SaaS backend (Spring Boot, Java 21, PostgreSQL)
✅ Stripe subscriptions, billing, webhooks & customer portals
✅ AI features: RAG chatbots, OpenAI/Claude integrations, vector search
✅ Multi-tenant architecture with strict tenant isolation
✅ Admin dashboards, analytics & automation systems
✅ Frontend integrations (React / Next.js)

Recent work — Asiora:
→ Pharma CRM using GPT-4o + RAG grounded on official drug datasheets
→ Multi-tenant AI chatbot platform deployable with 1 line of code
→ GDPR-compliant B2B SaaS infrastructure

Tech stack:
Java • Spring Boot • PostgreSQL • Redis • Docker • Stripe • OpenAI • React • Next.js

Available for:
- SaaS MVPs & backend systems
- AI integrations into existing products
- Stripe billing systems
- Architecture reviews & backend refactoring

Languages:
English (Fluent) • French (Native) • Arabic (Native)

Happy to share a live Asiora demo during a short intro call.

Steps for completing your project

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

Delivery time starts when Salaheddine receives requirements from you.

Salaheddine works on your project following the steps below.

Revisions may occur after the delivery date.

Client purchases the project and submits all required information.

I will review everything and confirm if anything is missing.

I create the full technical documentation.

This includes the items listed in the project scope (architecture, diagrams, features, workflows, APIs, recommendations, etc.). Progress is shared directly in the workroom.

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