Efe Buyuk

Efe has demonstrated success in conducting research, mining data, enhancing data collection procedures, building algorithms, and using machine learning tool.

As a data analyst for Novartis:

• Applied ETL techniques to provide data consistency throughout the company's systems.
• Examined Stored Procedures and documented them for further usage.
• Analyzed Account Provisinging Service databases to make sure that the hiring process of the company seamlessly and automatically works.

As a data analyst for Wejo Ltd:

• Used advanced big data tools (such as AWS’s S3 buckets and PySpark library) and techniques to extract, transform and analyze connected cars data.
• Dealt with streaming, event and batch data.
• Conducted data evaluations to product Data Quality Reports.
• Worked on product data mappings onto the data model.
• Supported the engineering team with root cause analysis and impact assessment.
• Provided analysis as input for commercial data evaluation reports such as Residential Traffic Reports.

As a data analyst for Executive Interviews Ltd:

• Developed Django-Python-based Dashboard Applications. 
• Developed visual reports based on R markdown for customers and management.
• Worked on sentiment analysis based on interviews' transcripts.

• Led merchandising and marketing analytics, reporting, strategy and implementation.
• Identified, analyzed and presented consumer insights via web and social media channels.
• Drove strategic thinking, brand planning, digital marketing and supported standard data needs for the company by creating data-driven stories.
• Successfully designed algorithms, led cross-functional teams and boosted sales revenue by %20 within a year.  
• Aggregated, modeled and modified merchandising and marketing data to extrapolate insights.