Technical Lead. Backend and Data Engineer
freelance
Aug 2022 - Nov 2023 (1 year 4 months)
Technical Lead: lead a team of two developers re-architect the application's backend into microservices, using NodeJS, TypeScript, gRPC, Postgres, Docker and other technologies. Responsible for architecture, development, guiding the team and reviewing PRs. MLOps: implemented Docker container serving of a recommendation model for real-time predictions using Python with FastAPI. Implemented metrics monitoring pipelines and data and model drift detection pipelines using Python, MLFlow, Databricks, Pyspark, and Pandas for time series models making batch predictions. Data Engineer: implemented a small data warehouse solution on GCP by extracting and normalizing data from mongoDB into BigQuery using Google Dataflow, scheduled SQL queries, mongo C