Engineered a web platform from scratch to facilitate big data exchange between multifunctional users.
Built token-based authentication via Passport.js, incorporating encryption methods, like scrypt.
Automated a data ingestion pipeline using CodePipeline to convert CSV datasets to Parquet using Lambda, and housing the datasets on S3, for cost-efficient big data storage.
Implemented a full-stack sales analytics dashboard from scratch, providing real-time data sourced from DynamoDB.