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Hakan Kopal

Hakan Kopal

Data Scientist

Internal Audit Department @ Vakifbank


My Portfolio Highlights

My New Course

Introduction to Python

My New Track

SQL Fundamentals

Data alchemist, transforming raw numbers into golden insights.

My Work

Take a look at my latest work.


Introduction to R


Course Notes: Software Engineering for Data Scientists in Python


Introduction to Python

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

VakıfBank | Aug 2019 - Present

Data Scientist @ Internal Audit Department

- Conducted exploratory data analysis to extract insights into dataset patterns and trends. - Developed and maintained risk-based Oracle PLSQL procedures to detect potential fraud. - Implemented machine learning algorithms in Python and R to identify fraudulent events. - Deployed analytical models on a Linux virtual machine through Azure DevOps. - Created custom reports and queries in SQL to support internal auditors and management. - Provided training on data analysis techniques and organizational tools to new team members.
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VakıfBank | May 2016 - Aug 2019

Internal Auditor

- Conducted operational, financial, and compliance audits in line with company policies and international standards. - Managed special investigation cases with a focus on confidentiality and ethical standards. - Identified and mitigated risks related to fraud and abuse. - Reviewed processes and systems to ensure compliance with legal and regulatory standards. - Prepared audit reports and follow-up plans, offering suggestions for continuous improvement. - Evaluated the effectiveness of internal control processes, policies, and procedures.

Fibabanka | Jun 2015 - May 2016

Management Trainee (Commercial Credit Analyst)

- Analyzed financial statements of commercial firms using both IFRS and VUK reports. - Prepared executive summaries and credit proposals. - Responded to requests from commercial branches, including limit revisions and cheque approvals.

IFS Türkiye | Mar 2014 - Feb 2015

ERP Consultant (Financial Applications)

- Collaborated with clients to understand ERP-related needs. - Implemented and supported enterprise resource planning software for client companies. - Conducted training sessions for client company staff in the finance module.

Fiba Emeklilik ve Hayat A.Ş. | Aug 2013 - Mar 2014

IT Intern


My Education

Take a look at my formal education

Master of Science - MS, Data ScienceÖzyeğin Üniversitesi | 2022
Bachelor's degree, Management Engineeringİstanbul Teknik Üniversitesi | 2015
Ordu Fen Lisesi

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