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dogukannulu/README.md

Hi 👋, I'm Dogukan Ulu

Senior Data & AI Engineer · Building production-grade pipelines & LLM systems

Medium   X / Twitter   GitHub   GitHub Sponsors

📌 Featured Projects

🔥 Kafka + Spark Structured Streaming
Ingest API data via Airflow, stream through Kafka, process with Spark, write to Cassandra

stars forks 		☁️ Text to SQL Agent
Text-to-SQL agent that converts natural language questions to real-time SQL queries, and bring instant results across your company

stars forks 		⚡ Streaming Data Processing
Kafka → PySpark → Elasticsearch & MinIO. Full streaming pipeline with Airflow orchestration

stars forks
🧩 Airflow + Kafka + Cassandra + MongoDB
Produce Kafka messages, consume and write to both Cassandra and MongoDB via Airflow DAGs

stars forks 		🐳 Real-time Stock Sentiment Analyzer
A finance analyst that searches for articles for your desired stocks, and bring you sentiment analysis results

stars forks 		📈 Crypto Data Pipeline
Stream crypto data from API via Kafka with Airflow, store in MySQL, visualize with Metabase

stars forks

→ View all repositories

📝 Top Articles on Medium

End-to-End Data Engineering
Spark · Kafka · Airflow · Docker · Cassandra · Python 		☁️ AWS Cloud Data Engineering
Kinesis · S3 · Glue · Redshift · Spark · Athena 		Data Streaming
Airflow · Kafka · MongoDB · Docker · SQL

→ View all articles on Medium

🛠 Tech Stack

💻 Languages


Python
SQL

⚙️ Data Engineering & Processing


Spark
Kafka
Flink
Hadoop
Hive

🧩 Orchestration & Workflow


Airflow
AWS MWAA
GCP Cloud Composer

🗄 Data Warehousing & Databases


Snowflake
Teradata
GCP BigQuery
AWS RDS & Aurora
AWS Redshift
GCP Cloud SQL
PostgreSQL
MySQL

🔄 ELT & Data Integration


DBT
Rudderstack
Fivetran
Airbyte
Hevo

☁️ Cloud & Infrastructure


AWS
GCP
Terraform
Docker
Kubernetes

📊 BI & Analytics


Looker
Tableau
Metabase
AWS Quicksight
Holistics

🤖 ML & AI Engineering


Hugging Face
Streamlit
MLflow
FastAPI
LangChain
Langfuse
Qdrant

☁️ Other Cloud Services


AWS Step Functions
AWS Glue
AWS Lambda
AWS Kinesis
AWS EC2
AWS S3
AWS Athena

GCP Datastream
GCP Cloud Build
GCP Cloud Storage
GCP Source Repository
GCP Cloud Scheduler

🧑‍💻 Dev & Collaboration


Git
Jenkins
CircleCI

Popular repositories Loading

  1. kafka_spark_structured_streaming kafka_spark_structured_streaming Public

    Get data from API, run a scheduled script with Airflow, send data to Kafka and consume with Spark, then write to Cassandra

    Python 146 62

  2. streaming_data_processing streaming_data_processing Public

    Create a streaming data, transfer it to Kafka, modify it with PySpark, take it to ElasticSearch and MinIO

    Python 65 26

  3. airflow_kafka_cassandra_mongodb airflow_kafka_cassandra_mongodb Public

    Produce Kafka messages, consume them and upload into Cassandra, MongoDB.

    Python 43 25

  4. csv_extract_airflow_docker csv_extract_airflow_docker Public

    Writes the CSV file to Postgres, read table and modify it. Write more tables to Postgres with Airflow.

    Python 38 15

  5. crypto_api_kafka_airflow_streaming crypto_api_kafka_airflow_streaming Public

    Get Crypto data from API, stream it to Kafka with Airflow. Write data to MySQL and visualize with Metabase

    Python 17 5

  6. aws_end_to_end_streaming_pipeline aws_end_to_end_streaming_pipeline Public

    An AWS Data Engineering End-to-End Project (Glue, Lambda, Kinesis, Redshift, QuickSight, Athena, EC2, S3)

    Python 17 9