ANDY
DOAN
I work on backend data systems and ML/AI-driven products, largely around quantitative finance, trading, and natural language. Lately, I have been exploring how LLMs inform the way people now build, reason, and work with information.
Experience
Launched a new billing engine and billing primitives that now power subscriptions and other products across the company.
Led mitigations and resolutions of several high-severity customer-facing incidents with monetary impact.
Helped drive architectural decisions during the large-scale migration from a monolith to a domain-driven design with bounded contexts.
Directed the redesign of legacy trading infrastructure, migrating from on-prem tools to a scalable, service-oriented architecture in the cloud.
Built a high-performance backtesting platform enabling traders to run parallelized strategy simulations on millions of rows of historical data.
Designed automated orchestration workflows for market data ingestion, model training, and trade generation pipelines.
Managed a variety of electricity futures trading strategies using statistical modeling and time-series forecasting.
Developed and managed distributed data pipelines for integration with deep learning models, handling preprocessing, phonetic feature extraction, and dataset versioning at scale.
Improved internal API performance by optimizing queries with geofenced caching and partitioning, reducing latency by 80%.
Led geographic data ingestion efforts powering map-enabled voice applications for key industry partners.