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Esabelle11/README.md

Hi there, I'm Esabelle Chen ๐Ÿ‘‹

๐Ÿš€ AI Engineer & LLM Systems Engineer

Focused on designing reliable AI workflows using retrieval, tool-use, and structured reasoning.


๐Ÿ’ก What I Do & Engineering Principles

  • LLM Alignment & Training: Engineering robust pipelines for classic fine-tuning and state-of-the-art reinforcement learning from human/ai feedback (RLHF/RLAIF).
  • Agentic AI Workflows: Building production-ready, tool-augmented systems utilizing self-correction, tool-use, and programmatic validation to neutralize LLM hallucinations.
  • Multimodal Architectures: Designing unified, end-to-end pipelines that orchestrate text, vision, audio, and video synthesis for complex industry verticals.

๐Ÿ› ๏ธ Tech Stack & Skills

๐Ÿง  Artificial Intelligence & Machine Learning

Python PyTorch Transformers NumPy Scikit-Learn

๐ŸŒ Backend & Cloud Infrastructure

FastAPI ASP.NET C# AWS MongoDB SQL Server


๐Ÿ† Featured AI Projects & Achievements

  • ๐Ÿš€ transformer-architect A unified, production-grade LLM training and alignment framework. Features modular implementations for downstream tasks (BERT), Direct Preference Optimization (DPO), and Group Relative Policy Optimization (GRPO reinforcement learning pipelines) to streamline model alignment and optimize memory overhead.

  • ๐Ÿงฎ Tool-Augmented-AI-Mathematical-Reasoning-System A tool-augmented LLM reasoning system designed to eliminate hallucinations in multi-step complex problem-solving. Features an advanced orchestrator for multi-step prompt decomposition, LaTeX parsing, and a secure programmatic validation loop using Python execution sandboxes.

  • ๐Ÿค– WhyBuddy [The Gemma 4 Good Hackathon] An end-to-end multimodal educational AI assistant powered by Gemma 4. It orchestrates an advanced, unified pipeline combining natural language reasoning, vector-based knowledge retrieval (RAG), image generation, text-to-speech (TTS), and video synthesis for real-time interactive learning.

  • ๐Ÿ’ผ ElevioCareer A production-grade, AI-driven enterprise web application that leverages LLMs to parse PDF resumes for precise, embedding-based ATS compatibility scoring, while utilizing asynchronous web scraping to dynamically recommend the top 5 most relevant job listings.

  • ๐Ÿงฌ RNA 3D Structure Prediction - Kaggle Built an end-to-end deep learning pipeline utilizing Protenix-based architectures for molecular structure optimization. Implemented rigorous molecular sequence preprocessing, heavy feature engineering, and ensemble-based refinement during the competition validation phase.

  • ๐ŸŒŒ Seti Image Classification Developed an end-to-end Convolutional Neural Network (CNN) classification and inference pipeline optimized for detecting anomalies in Seti signal spectrogram images.


๐Ÿ“ซ Let's Connect!

LinkedIn Kaggle Email

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  1. transformer-architect transformer-architect Public

    A unified, production-grade LLM training and alignment framework. Features modular implementations for downstream tasks BERT, DPO, and GRPO to streamline model alignment and optimize memory overhead.

    Python

  2. Tool-Augmented-AI-Mathematical-Reasoning-System Tool-Augmented-AI-Mathematical-Reasoning-System Public

    An agentic LLM framework combining parallel reasoning, runtime Python execution, isolated sandboxes, and consensus-based answer aggregation.

    Jupyter Notebook

  3. WhyBuddy WhyBuddy Public

    An AI-powered educational assistant combines natural language reasoning, knowledge retrieval, image generation, text-to-speech, and video synthesis into a unified pipeline. It was designed for chilโ€ฆ

    Python

  4. ElevioCareer ElevioCareer Public

    A production-grade, AI-driven enterprise web application that leverages LLMs to parse PDF resumes for precise, embedding-based ATS compatibility scoring, while utilizing asynchronous web scraping tโ€ฆ

    TypeScript

  5. seti_classifier seti_classifier Public

    Image classifier with convolution network and support with Class Activation Map for visualize interpretation on CNN progress

    Jupyter Notebook