- Reviewed research papers on state-of-the-art LLM methods for tabular question-answering
- Fine-tuned open-source LLM models on synthetic data using QLoRA, improving model performance
- Designed and implemented a Retrieval-Augmented Generation pipeline using Python, LangChain, and Milvus
- Modified a web UI using JavaScript to integrate API endpoints for LLMs with the RAG pipeline
- Containerized applications with Docker and deployed on Kubernetes
- Documented the design process and created resources and templates to facilitate team adoption of the work

🏥 CVS Health Corporation is an American healthcare company that owns CVS Pharmacy, a retail pharmacy chain; CVS Caremark, a pharmacy benefits manager; and Aetna, a health insurance provider, among many other brands.

CVS Health

- Migrated 12 **Google Ads API** report downloader applications across teams, leveraging **Spark**, **Scala**, and **GitLab CI/CD** to efficiently process data for large-scale data pipelines
- Optimized algorithm performance, reducing application runtime by a linear factor from **4 hours** to only **20 minutes**
- Resolved **two critical production incidents** caused by incorrectly formatted data returned by the **Google Ads API**
- Created a Slack bot to explain **SQL** and **Spark** ETL pipelines to stakeholders using **Python** & GPT-3
- Devised and implemented a data validation rule in **SQL** to improve data anomaly detection; Conducted comprehensive backtesting using **RStudio** against historical data to ensure correctness

✈️ Agoda is an online travel platform that brings high-value and rewarding travel experiences to people all over the world through the Agoda app and Agoda website.

Agoda

- Created new UI components and styled them to match the **Figma** designs for trading/investment-related pages in order to support website revamp and light theme release
- Refactored old, individually-styled UI components into reusable, standardized **React**/**Material-UI** components to make the website look more consistent
- Improved code quality and debugged underlying issues by adding more type inference to **React** and **Redux** code using **TypeScript**

₿ Zipmex is one of the leading digital asset exchanges in the Asia-Pacific with investments from Coinbase.

Zipmex

- Identified inefficiencies within retail store and warehouse operations
- Streamlined warehouse processes across **200** service points by integrating Scandit's barcode-scanning library into employees' mobile app, written in **Ionic** and **Angular**, to allow for instant bulk-scanning of shipment labels
- Used **Tesseract.js**’ optical character recognition (**OCR**) to enable customers to extract product information from receipts and employees to verify and correct information on shelf tags
- Tuned image-processing settings to improve text recognition of Thai alphabet and numerals

📦 Central Group is a conglomerate holding company that owns department stores, hotels, and real estate in Thailand.

About Me

Work Experiences

CVS Health

Agoda

Zipmex

Central Group