Sefercan Apaydın Email & Phone Number

İzmir, Turkey

İzmir, Turkey

Istanbul, Türkiye

• Made an application for grabing data changes in postgresql and flow it through Kafka, Spark Streaming then write the changes to object storage(MinIO)
• Cleaned and pre-processed big data in Spark using pySpark library in Jupyter-Lab.
• Created topics, consumers, producers in Kafka and sent messages by using data-generator from producers and listen those messages from 3 differentconsumers.
• Learned concepts of Lakehouse, Data Warehouse, Data Lake, Delta Lake, Airflow
• … Show more
• Learned how to storage data in HDFS and process it by using Hive, learned linux commands, bash-scripts.

Malmo, Skåne County, Sweden

• Applied RFM, CLTV and K-Means models on FLO Retail Company to segment the customers. These methods provide businesses with a holistic view oftheir customer base and help them improve customer retention, increase.
• Understand the importance of A/B testing and implemented it in various datasets using Shapiro, Levene, T-test, Mann-Whitney U, Anova tests.
• Applied a recommendation system with Association Rule Learning on the… Show more
• Applied a recommendation system with Association Rule Learning on the Armut.com service data, which led to a rise in customer satisfaction ratings by%30.
• Developed various machine learning models on diabetes data, telco churn data, both are classification problems. Models are improved with featureengineering and hyperparameter tuning leading at least %10 increase in.
• Created a script level - pipeline for an end-to-end project starting form data preprocessing to comparing ml models and implementing the best onesand also saving it with.pkl extension for later use. Show less

İzmir, Turkey

• Implemented an ERP system to track inventory levels and compare them with sales data, resulting in reduced waste and improved inventory management.Same system is used to automate sales tracking and analysis, enabling.
• Developed and executed lots of marketing campaigns through social media that resulted in 5x increase in customer traffic.
• Implemented staff training programs focused on upselling techniques… Show more
• Implemented staff training programs focused on upselling techniques and customer service, resulting in a 50% increase in specified goods. Show less

İzmir, Turkey

Developed forecasting models to anticipate demand for goods, enabling the identification of a new production facility location, resulting in a 20% reduction in logistics costs.

İzmir, Turkey

Conducted time study analyses on operator movements, resulting in a reduction in processing time.

İzmir, Turkey

Implemented lean principles to reduce waste and increase efficiency, resulting in a decrease in production time.

Master Of Business Administration - Mba, Business Administration And Management, General, Gpa 3.76

Bachelor'S Degree, Industrial Engineering, Gpa 3.63

Erasmus, Computer Science

High School Diploma