proc / projects

Selected work

Dec 2025 → Present

Apron — Vietnamese Locale LLM Eval Harness

LangGraphFastAPINext.jsTanStack QueryZustandLiteLLMLangSmithAWS Bedrock
  • Built LangGraph evaluation workflows for Vietnamese coding-locale benchmarks with stateful routing, pass/fail gates, and regression batches for instruction-following and tool-use scenarios.
  • Routed LLM judge and verifier calls through LiteLLM with Azure OpenAI and AWS Bedrock fallback for rubric scoring and structured output validation.

Jan 2025 → Nov 2025

Hopper — Vietnamese Locale Benchmark Fixtures

PythonFastAPIschema validationfixture libraries
  • Built Python ingestion and normalization pipelines that turn industry code samples into structured benchmark fixture libraries for Vietnamese coding-locale eval runs.
  • Implemented schema validation and reference checks that block bad fixtures before regression suites, reducing false failures in tool-use and instruction-following benchmarks.

Dec 2023 → Nov 2024

AI Document Translation Dashboard — Korean Development Bank

LiteLLMAzure OpenAIPineconeAzure Document IntelligenceFastAPIPower Automate
  • Benchmarked Korean document OCR across Amazon Textract and Azure Document Intelligence on pilot corpora in Amazon S3 before productionizing extract on Azure VNet.
  • Shipped a regulated banking document platform on Azure VNet: ingest mixed PDFs/Word, OCR/extract, Korean back-office QA (Phase 1), LLM translation to English (Phase 2), and secure export with Postgres audit trails.

Jan 2022 → Dec 2023

AML Transaction Monitoring Tuning — Shinhan Bank America

Node.jsReactPostgreSQLJestTailwind CSS
  • Replicated AML scenario logic in Node.js services, performed transaction data profiling, and validated monitoring accuracy with Jest unit tests against core banking integrations.
  • Built React analyst dashboard views on PostgreSQL-backed APIs for alert review, scenario tuning, and operational visibility.

Jun 2021 → Jan 2022

Financial Report Analysis Automation — Citibank

Node.jsPythonPostgreSQLOCR pipelines
  • Built OCR automation with Node.js, Python, and PostgreSQL to ingest and store parsed financial report data for internal systems.
  • Ran scheduled ingestion jobs and validation rules through PostgreSQL-backed Node.js services and Python OCR pipelines.

Mar 2019 → Dec 2020

Real-Time IoT and Analytics Applications

ReactNode.jsWebSocketDynamoDB
  • Built real-time IoT dashboards for smart-device startups using WebSocket event streams and live React state updates.
  • Delivered YouTube talent analytics and e-commerce crawling platforms with Node.js services, MySQL storage, and React reporting views.