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Projects

A selection of projects spanning LLM serving, legal AI, evaluation systems, and open-source contributions.

2025.11 — Present @ BHSN

LangGraph-based workflow engine powering 10+ legal automation scenarios. Supports contract drafting, comparison, review, compliance, and document inspection via tool calling and subgraph composition.

LangGraph Agent Workflow FastAPI Python
2025.07 — Present @ BHSN
2025.06 — Present (in negotiation & development) @ BHSN

An ongoing partner product combining BoostDraft's Word-native editing interactions with allibee's near-human contract review depth — currently in active negotiation and co-development.

Word Plugin Partnership Product Development
2024.12 — 2026.03 @ BHSN

Demo apps, playbook QA tools, and workflow demo UIs for validating and showcasing legal AI capabilities.

Demo PoC Playbook
2024.03 — 2024.10 @ Open Source

4 PRs merged to predibase/lorax. Improved OpenAI-compatible serving interface, deterministic generation, streaming usage, and structured output support.

Open Source LLM Serving Rust Python OpenAI API
2024 Q1 — Present @ BHSN

Multi-axis evaluation framework combining traditional NLP metrics, LLM-as-a-Judge, and legal expert rubrics. 20+ custom metrics, 10+ model benchmarks.

Evaluation LLM-as-Judge NLP Metrics Quality Assurance
2024.01 — 2026.03 @ BHSN

Government AI datacenter GPU infrastructure program. Led end-to-end from proposal writing and research execution to quarterly reporting and outstanding performance recognition.

GPU Infrastructure Government Program H100 Outstanding Performance
2023.12 — Present @ BHSN

End-to-end long-context work on legal documents of 50K–100K+ tokens: successful open-model SFT convergence at 100K+ context on a single GPU server node, a matching long-document evaluation pipeline, and production serving on top of the trained model.

Model Training Long Context SFT LLM Training Evaluation vLLM LLM Serving
2023.09 — Present @ BHSN

End-to-end AI system for contract analysis covering extraction, checklist review, risk assessment, and revision suggestions. Patent registered.

Legal AI NLP Contract Analysis FastAPI Patent
2023.09 — 2026.01 @ BHSN

End-to-end training pipeline for legal domain LLMs. Achieved SOTA on contract analysis benchmarks using SFT, DPO, and task-specific LoRA adapters.

LLM Training CPT Domain Adaptation SFT DPO LoRA Evaluation
2022.12 — 2023.02 @ NAVER / NAVER Cloud

NAVER Cloud Document Intelligence internship project. Built summary-based title generation for CLOVA Note and improved weak label quality via positive filtering SFT.

NLP HyperCLOVA LoRA Weak Labeling
2022.09 — 2023.05 @ Hanyang University

Graduation project combining INT8 quantization and LoRA adapters to fine-tune OPT-13B on a single consumer GPU (RTX 3090 24GB).

Quantization LoRA PEFT LLM Research
2022.07 — 2022.09 @ NAVER CLOVA
2020.05 — 2021.11 @ Republic of Korea Army

Developed security monitoring, infrastructure operations, and task automation programs in air-gapped environments as an InfoSec specialist in the Republic of Korea Army.

Security Automation Air-Gapped Infrastructure