Hello World! I'm Rafi
Open CV →
Available for AI systems & engineering roles

Build in a weekend.Scale to millions.

>Sadman Sakib Rafi — AI System Architect

Building intelligent software systems that combine practical machine learning, LLM workflows, and production-minded developer infrastructure.

Contact Me

AI Models

Neural Nets & LLMs

Neural Systems

Hardware & Compute

Data Pipelines

Vector Databases

AI Workflows

Agentic Systems

1.5+
Years Experience in AI & ML
12+
Completed Production & Research Projects
10+
Machine Learning & Software Frameworks

Capability Matrix

Skills built for production AI

Agent orchestration

LLM Systems

94%
Proficiency

Designing production-minded assistants with routing, memory, tool calling, and model abstraction layers.

Core Tools & Frameworks

LangChainCrewAIOllamaGeminiMCPPrompt Engineering

Applied In

Multi-agent assistant backends
Context memory flows
LLM-driven response handling

Languages

PythonJavaScriptC++C#

AI Stack

LLMsPrompt EngineeringFine-TuningEmbeddingsMCP

Systems

FastAPIREST APIsPineconePostgreSQLDocker

Professional Timeline

Engineering intelligent workflows

AI Engineer

Active Engagement

NexiflowAI

Apr 2025 - Present (1 yr 3 mos)
Bangladesh (Hybrid / Remote)

Leading the engineering of high-throughput agent workflows and production LLM pipelines. Designed multi-agent routing frameworks, integrated FastMCP tools, and optimized vector search context injection to support low-latency systems.

Pipeline Focus
agent-routing-flow-v3.2
PythonFastAPIGemini LiveMCPLiteLLMVector RAGPinecone

Selected Work

AI Projects & Engineering

From neural network architecture to scalable machine learning deployments.

HireSenseAI - Intelligent Recruitment & CV Analysis System
Completed

HireSenseAI - Intelligent Recruitment & CV Analysis System

Multi-Agent Systems

Advanced AI-powered recruitment platform employing a multi-agent 'Deep Reasoning' architecture to evaluate candidates like a human technical recruiter. Features hybrid LLM approach, vector search, and comparative ranking.

PythonFastAPIGoogle GeminiOllamaPineconePostgreSQL+2
architectureEvent-Driven & Service-Oriented
reasoningSkeptical 'Judge' Agent algorithm

MeetingMind - AI Meeting Intelligence & MCP Pipeline

completed
Multi-Agent Systems

AI meeting intelligence pipeline using a multi-tool FastMCP server with a unified LiteLLM client. Automatically parses transcripts to extract action items, detects blockers and team sentiment, scores meeting quality, and syncs tasks to Notion and Trello with cross-session memory.

PythonFastMCPLiteLLMWhisperNotion APITrello API+2
mcp frameworkFastMCP (Python)
llm gatewayLiteLLM (Ollama, Gemini)

Sales Lead Qualification using Qwen3.5-0.8B-LoRA

completed
Machine Learning

Lightweight AI system that converts unstructured B2B sales messages into structured lead intelligence using a fine-tuned Qwen3.5-0.8B LLM with LoRA (Unsloth). Features an interactive Gradio test interface.

Qwen3.5-0.8BLoRAUnslothPyTorchHugging FaceGradio+1
base modelQwen3.5-0.8B
fine tuningLoRA (PEFT) via Unsloth
MyCaptionAI - AI Tools Directory
Completed

MyCaptionAI - AI Tools Directory

Web AI App

The #1 directory for AI tools, designed for creators, marketers, and developers. Hosts over 1,380+ curated AI products, ecosystem visual playbooks, and a self-service submission flow.

Next.jsFastAPIGoogle GeminiPostgreSQLTailwind CSS
availabilityProduction web app
databasePostgreSQL relational store

Phone Query & Review System

completed
AI Multi-Agent

Scrapes Samsung phone specifications, answers natural language queries, and generates AI-based reviews with multi-agent system.

PythonFastAPIBeautifulSoupPostgreSQLSQLAlchemyFAISS+2
coverageSupports Samsung device dataset
testingComprehensive unit tests with Pytest
in-progress

NexiFlowAI - AI Presenter Backend

Multi-Agent Systems

Low-latency voice interaction backend for the NexiFlowAI investor-demo copilot. Features human-supervised meeting assistance, explicit policy controls, replayable session state, and local MCP tool integrations.

PythonFastAPIGoogle GeminiLiteLLMFastMCPWebSockets
interactionLow-latency voice & text
evidence providerFastMCP local tools

Get In Touch

Ready to build an intelligent system?

From LLM agent architecture to production model deployment, let's collaborate on your next project.