Berkay Dişli
Math. Engineer
Istanbul
Summary
Results-driven professional with experience in data science and banking operations. Strong collaboration and problem-solving skills, adept at managing multiple tasks while ensuring data integrity and compliance. Eager to contribute to impactful projects.
Overview
1
1
Language
2
2
Certifications
1
1
year of professional experience
Work History
Container and AI System Intern
Halkbank
08.2026 - 08.2026
- Assisted in daily banking operations, ensuring accuracy and compliance with policies.
- Supported customer inquiries by providing timely information and resolving issues effectively.
- Maintained accurate records of transactions, contributing to improved data integrity and reporting.
- Prepared project presentations and reports to assist senior staff.
- Developed organizational skills through managing multiple tasks simultaneously while adhering to strict deadlines.
Data Science Intern
LC Waikiki
08.2025 - 09.2025
- Assisted in developing predictive models to enhance inventory management efficiency.
- Analyzed sales data to identify trends and support strategic decision-making.
- Supported the implementation of machine learning algorithms for customer segmentation analysis.
- Created visualizations using Tableau to present data insights effectively to stakeholders.
- Participated in data cleaning and preprocessing activities to ensure dataset integrity for analysis.
- Identified, analyzed and interpreted trends in complex data sets using supervised and unsupervised learning techniques.
Education
Bachelor of Science - Mathematics And Computer Science / Math. Eng.
Yıldız Technical University
Istanbul, Turkey 04.2001 -
Skills
- Computer skills
- Collaborative skills
- Interpersonal communication
- Data analysis
- Adaptability
- Accelerated learning
- Agile learning
- Cross-functional collaboration
- Team collaboration
- Multitasking organization
Accomplishments
- Built product- and store-level sales forecasting models (ARIMA/SARIMA) on historical retail transaction data, producing weekly demand forecasts to support inventory planning.
- Deployed an air-gapped LLM inference server (Qwen2.5-7B on vLLM, RTX 6000 Ada) exposing an OpenAI-compatible API with zero external network dependency. Resolved a CUDA driver/toolkit mismatch blocking GPU init on Debian 13 by rebuilding the stack in an isolated Python 3.11 environment. Extended the model into an operational assistant via a Python tool-calling client that queries host system state.
Certification
AWS Cloud Practitioner Essentials, Amazon Web Services (AWS)
Timeline
Container and AI System Intern
Halkbank
08.2026 - 08.2026
Data Science Intern
LC Waikiki
08.2025 - 09.2025
Bachelor of Science - Mathematics And Computer Science / Math. Eng.
Yıldız Technical University
04.2001 -