Resume / CV

Sadman Sakib Rafi

AI and Machine Learning Engineer

Career Objective

AI and Machine Learning Engineer with hands-on experience in LLM-based systems, supervised fine-tuning, AI chatbot and AI-driven product development. Skilled in building and deploying real-world AI solutions using Python, FastAPI, AI tools, with a strong focus on scalable, production-ready systems.

Skills & Abilities

Professional Interests

Artificial IntelligenceMachine LearningSoftware Development

Programming Languages

PythonJavaScriptC++C#

Machine Learning & AI

Supervised LearningClassificationNLPLarge Language Models (LLMs)Prompt EngineeringFine-Tuning

Frameworks & Libraries

Hugging FaceScikit-learnLangChainCrewAINext.js

LLM & AI Tools

OllamaGeminiMCPVector EmbeddingsPinecone

Backend & APIs

FastAPINestJSASP.NETREST API Design & Integration

Professional Portfolio Projects

Multi-Agent AI Assistant System

Backend-focused AI assistant orchestration platform using FastAPI and multi-agent architecture. Used agent routing, short-term memory handling, vector embeddings, and LLM abstractions for scalable assistant reasoning and responses.

FastAPIMulti-Agent ArchitectureVector EmbeddingsLLM Abstractions

HireSenseAI - CV Ranking System

Visit

AI-driven recruitment platform that analyzes and ranks resumes against job requirements. Supports batch CV ingestion, deep semantic reasoning, gap detection, and explainable decision scoring. Built with a hybrid LLM pipeline, Pinecone similarity search, and local embedding models.

GeminiOllamaPineconeLocal Embeddings

MeetingMind

AI meeting intelligence pipeline using a multi-tool MCP server with a unified LiteLLM client. Extracts action items with owner and deadline assignment, detects blockers and sentiment, scores meeting quality, and syncs tasks to Notion and Trello with cross-session memory.

MCP ServerLiteLLMNotionTrello

AI Tutorial Crew

Multi-agent system using CrewAI and Ollama-Mistral that generates tutorials based on user input. Supports local inference for privacy and speed.

CrewAIOllamaMistralLocal Inference

Automated Conversation Platform

Real-time AI assistant platform for automated business interactions. Designed backend orchestration, context memory, tool calling, and LLM-driven response handling with extensible APIs for voice and chat.

Context MemoryTool CallingLLM ResponsesVoice & Chat APIs

Selected ML Projects

Supervised Fine-Tuning for Sales Lead Qualification

Built a supervised fine-tuning pipeline using Qwen3.5-0.8B to convert unstructured sales into structured lead data.

Qwen3.5-0.8BSupervised Fine-TuningStructured Lead Data

LoRA Fine-Tuning (NLP)

Fine-tuned DistilRoBERTa on the IMDB dataset using LoRA for efficient sentiment classification.

DistilRoBERTaLoRAIMDB DatasetSentiment Classification