Backend and databases
I mainly built content, user, and service APIs with Python and Node.js
I mainly built content, user, and service APIs with Python and Node.js. Search, background jobs, and external notifications required attention to stored state and downstream results as well as the initial response.
Python / Django / DRF
Professional · Built CRUD, search, upload, and state-management APIs for sign-language content.
Flask / FastAPI
Professional · Developed and maintained APIs connecting audio, STT, and sign-language matching services.
Node.js / Express.js / Sequelize
Professional · Implemented content APIs and data access, including refactoring Django APIs.
MySQL / MongoDB
Professional · Worked on persistence models and read/write logic for content, delivery, and service data.
Celery / Redis
Professional · Used for asynchronous platform jobs and caching.
OpenSearch
Professional · Implemented content search and synchronization between the database and search index.