Hi there, I am Monir Hossain

I Build & Scale

Lead Backend & AI Systems Architect with 8+ years of engineering excellence. Specializing in zero-to-one SaaS product development, custom LLM integrations (RAG, Vector DBs), event-driven microservices (Kafka, Kong), and automated cloud infrastructure across AWS & GCP.

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Lead AI Systems & SaaS Architect

Monir Hossain

With 8+ years of engineering experience, I specialize in architecting multi-tenant SaaS platforms, custom LLM integrations (RAG & Vector DBs), high-concurrency microservices, and automated cloud infrastructure across AWS & GCP.

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Years Exp.

70+

Projects Shipped

100%

Success Rate

200+

Mentored

Technical Capabilities

My Specializations

Empowering platforms with modern backend engineering, intelligent AI systems, and automated cloud workflows.

AI & LLM Integrations

RAG Architecture
Vector Databases
OpenAI & Gemini APIs
Custom AI Agents

Backend & Microservices

Python (FastAPI, Django, Flask)
Multi-Tenant SaaS
REST & GraphQL APIs

Cloud & DevOps Pipelines

AWS & GCP Orchestration
Docker & Kubernetes
CI/CD (GitHub Actions)
NGINX Server Management

Data & Storage Architecture

PostgreSQL & MongoDB
Redis Caching & Queues
Beanie ODM & Aggregations
Database Partitioning

Event Streaming & Gateways

Apache Kafka Clusters
Kong API Gateway
RabbitMQ Message Queues
High-Concurrency Routing

Cyber Security & Audit

Vulnerability Testing
API Auth Protocols
Penetration Testing
Secure Cloud Architecture

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My Work

My Recent Work

Happy customers

Some of My Clients

Clients Testimonial

What clients say about my services.

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