S3, PostgreSQL, Prometheus, Grafana, Datadog, Ec2, Python, AWS, Sentry, Dynamodb, Load Balancers, Cloudwatch, MongoDB, FastAPI, Rest Apis, RevenueCat, JWT authentication, OAuth flows, Session handling, WebSockets, socket lifecycle management, Auth0, event-driven systems, microservice-oriented architecture, async backend systems, RBAC permission systems, Stripe APIs

Apache Spark, Advanced Sql, Airflow, dbt

Azure Cloud, Scala, Spark, Python, Airflow

data engineering , Apache Spark, Distributed Computing, Big Data Processing, Cloud Platforms, Scalable Code Development