PDF RAG Chatbot
Local, citation-aware RAG chatbot for 100–1000 page PDFs. Hybrid search (BM25 + vector) with reciprocal-rank fusion, section-aware chunking, and automatic OCR for scanned pages. Answers include file, page, and section citations.
Available for Full-Time Roles
Hafiz Aiman
AI Developer & Researcher
Architecting agentic LLM workflows, RAG knowledge systems, and virtualized Linux infrastructure. Bridging client business requirements with production-ready AI systems.
{
"status": "Ready for deployment",
"role": "AI Developer & Researcher",
"focus": [
"Agentic AI",
"Tool Calling",
"RAG",
"Proxmox"
],
"education": "B.CompSc (AI), Universiti Malaya",
"accolade": "SASMO Math Olympiad Bronze Medalist"
}
"status": "Ready for deployment",
"role": "AI Developer & Researcher",
"focus": [
"Agentic AI",
"Tool Calling",
"RAG",
"Proxmox"
],
"education": "B.CompSc (AI), Universiti Malaya",
"accolade": "SASMO Math Olympiad Bronze Medalist"
}
Skills
Technologies and tools in my stack.
AI Systems & LLMs
OpenAI API
DeepSeek
Claude
Agentic Workflows
Tool/Function Calling
RAG Pipelines
Ollama
PyTorch
Prompt Engineering
Infrastructure & DevOps
Proxmox VE
LXC Containers
Nginx Reverse Proxy
Ubuntu Server
PM2
systemd
Git
Linux Automation
Backend & Architecture
Python
Node.js
Express.js
RESTful APIs
PostgreSQL
MySQL
MSSQL
Client Solutions
Projects
Selected work and research.
Autonomous Robot Path Planning System
Final year project implementing Delaunay triangulation for 2D topological map modeling and Dijkstra's algorithm for global pathfinding. Designed a hybrid ACO+PSO metaheuristic optimization yielding 20% improvement in path efficiency and obstacle avoidance.
Facial Recognition & Emotion Analysis Engine
Real-time computer vision desktop application using InsightFace paired with a custom hybrid ResNet50+LSTM neural architecture. Features multi-expression facial profile registration and emotion trend logging via a Tkinter GUI.
Developer Portfolio
Clean, accessible portfolio with dark/light theme, scroll-reveal animations, and an AI chatbot assistant backed by a Cloudflare Worker.
Experience
Professional background and education.
Beyond Photography Academy
Full-Time & InternshipAI Developer & Researcher Full-Time
- Architected agentic WhatsApp automation systems utilizing LLM tool/function calling for automated email dispatch, image generation, and real-time data querying.
- Developed enterprise RAG knowledge pipelines for banking policy retrieval bots, focusing on context precision and hallucination mitigation.
- Acted in a Forward Deployed Engineer capacity, engaging directly with clients to gather requirements and implement customized production agent features.
- Administered Proxmox VE hypervisors and LXC containers with Nginx reverse proxies for 50+ students in technical AI workshops.
AI Developer Trainee Internship
- Built AI-powered WhatsApp bot with OpenAI/DeepSeek integration handling 30+ daily active users with low response latency.
- Engineered full-stack management dashboard (Node.js, Bootstrap) cutting client onboarding time by 60%.
- Established automated CI/CD deployment on Linux using PM2, systemd, and OTA updates, maintaining 99% production uptime.
Education
Bachelor of Computer Science (Artificial Intelligence)
Universiti Malaya — Machine Learning, Deep Learning, NLP, Autonomous Robots, Data Structures & Algorithms, Database Systems.
Foundation in Physical Science
Universiti Malaya — Advanced Mathematics, C Programming.
Honors & Awards
Recognition and leadership.
Bronze Award — SASMO
Recognized for strong analytical and mathematical problem-solving ability.
Distinction — DOKA
International mathematical problem-solving competition assessing Higher Order Thinking Skills (HOTS) and IQ ability. Achieved Distinction-level recognition.
Project Director — SUKMUM
Led and coordinated technical projects for Sukan Mahasiswa Universiti Malaya.
Contact
Let's connect.