Yumi G.

Key Skills

Software

No software listed

Top Subject Matter

Financial fraud detection and compliance intelligence

Clinical NLP

predictive healthcare analytics

Top Data Types

Text

Document

Top Task Types

Fine-tuning

Freelancer Overview

AI Engineer in Contract Review, Compliance, and Legal Research. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include PyTorch, Spark, and Feast. Education includes Bachelor of Science, Tohoku University (2024). AI-training focus includes data types such as Computer Code and Programming and labeling workflows including Fine-tuning.

Labeling Experience

AI Engineer (Makita) — Nov 2025 to Apr 2026

Fine-tuning

Built an AI fraud-detection pipeline using XGBoost combined with deep embeddings trained in PyTorch, with results evaluated on precision-at-recall. Implemented automated feature monitoring to reduce drift and improve model reliability for production deployment. Led governance activities for production ML features consumed by enterprise customers. • Engineered training/feature workflows for fraud models • Applied evaluation logic (precision-at-recall) to track model quality • Used monitoring and experimentation tools to support model lifecycle • Coordinated design reviews and production ML feature rollout

2025 - 2026

Software Engineer (Okubo Gear) — Feb 2025 to Nov 2025

Fine-tuning

Developed healthcare NLP and predictive modeling workflows to support intelligent retrieval from clinical data and workflow automation. Built and optimized medical data processing pipelines using NLP tooling and trained deep learning models for entity extraction and predictive analytics. Implemented AI-assisted telemedicine and claims reasoning systems with secured APIs to enable downstream AI reporting and decision support. • Processed clinical notes for entity extraction • Trained/used predictive models with PyTorch and TensorFlow for analytics • Implemented AI agents/workflows for claims validation and reasoning • Delivered AI-enabled reporting through OAuth2-secured services

2025 - 2025

Education

Work History