Alireza Khorami Email & Phone Number

Tehran Province, Iran

Tehran, Tehran Province, Iran

- Data Infrastructure: Built a scalable infrastructure using Airflow, Kafka, PostgreSQL, Redis, and Trino.- Stream Processing: Implemented real-time data processing with Kafka, gRPC, and Spark.- ETL Pipelines: Developed ETL pipelines with Airflow for a PostgreSQL-based data warehouse(OBT).- AI & APIs: Created Streaming and Batch endpoints for an OpenAI-powered RAG model, integrating Cohere and semantic caching.- Visualization: Built dashboards and reports with… Show more - Data Infrastructure: Built a scalable infrastructure using Airflow, Kafka, PostgreSQL, Redis, and Trino.- Stream Processing: Implemented real-time data processing with Kafka, gRPC, and Spark.- ETL Pipelines: Developed ETL pipelines with Airflow for a PostgreSQL-based data warehouse(OBT).- AI & APIs: Created Streaming and Batch endpoints for an OpenAI-powered RAG model, integrating Cohere and semantic caching.- Visualization: Built dashboards and reports with Redash and Streamlit for data-driven decision-making. Show less

Tehran Province, Iran

- VOD Crawler (August 2021 - December 2021) - Developed and maintained content crawlers for Persian-speaking television and radio channels using Python. - Integrated Redis for workload distribution, enhancing Speech to Text model performance and API response times. - Improved ASR(automated speech recognition) Wav2Vec model accuracy by 18% through finetuning using innovative methods for data collection and cleaning.- Monitoring Services (December 2021 - June… Show more - VOD Crawler (August 2021 - December 2021) - Developed and maintained content crawlers for Persian-speaking television and radio channels using Python. - Integrated Redis for workload distribution, enhancing Speech to Text model performance and API response times. - Improved ASR(automated speech recognition) Wav2Vec model accuracy by 18% through finetuning using innovative methods for data collection and cleaning.- Monitoring Services (December 2021 - June 2022). - Implemented self-hosted Sentry for performance and error tracing, ensuring high reliability and quick troubleshooting in our APM. - Optimized log storage and analysis with the ELK stack.- Setup and configure Prometheus and Grafana stack for health of containers and VMs Monitoring- Server Administration & Twitter Crawling (May 2022 - July 2022) - Enhanced server infrastructure by clustering Proxmox nodes and implementing incremental backups on Hetzner storage boxes. - Led a team to develop a robust Twitter crawling system, overcoming API restrictions for uninterrupted data collection.- Database Administrator (September 2022 - July 2023) - contributed to optimizing and maintaining a large Elasticsearch cluster of over 20 nodes. - Ensured high availability and reliability of database services, supporting core operations at a Big Data-centric company. Show less