Denis Lee

Experience

• 

  MStable

  Jun 2021 - Nov 2021

  Full Stack Engineer

  Designed and implemented a dashboard and backend infrastructure to showcase the mStable cryptocurrency family statistics over time.- mStable Client Dashboard (VueJs) - single page dashboard- Backend server (Python, FastAPI) - API server to serve client dashboard with metrics data, handle user data- ETL module (Python, WEB3) - Server managing blockchain data extraction

• 

  Pagos Solutions

  Jan 2022 - Dec 2023

  Software Engineer

  Developed backend infrastructure and API for e-commerce payment statistics data.- Managed API service (PHP, NodeJS) to serve SQL results to client application- Created SQL constructor and filter system to increase development speed and API flexibility- Created complex SQl queries (Redshift DB) to form financial metrics from user financial data

• 

  Techcore

  Jan 2024 - Oct 2024

  Software Engineer

  Lead backend developer. Developed ERP system for companies specializing in software developmentoutsourcing.- Developed system modules and microservices (NodeJS, React, AWS)- Managed DB (Postgres): Sql queries, views and triggers, optimizing performance- Implemented permissions system to manage user access to system and other user's data- Integrated LLM (Python, Langchain) as a database agent to power helper chat bot

• 

  PixelPlex

  Oct 2024 - now

  Software Engineer