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Ersan Kucukoglu

Bis 2024, Data Analyst, Roche Services (Europe) Ltd.
Budapest, Ungarn

Fähigkeiten und Kenntnisse

Python
SQL
Data Analysis
Data Structures
MS Office
R
MySQL
Tableau Software
Git
Business Intelligence (BI)
Data Engineering
Cloud Computing
AWS
Machine Learning
Coding
Text Mining
Data Manipulation Language
Microsoft Power BI
PostgreSQL
Tableau
Engineering
Technology
Business Analytics
Power BI
Spreadsheets
MS Power BI
Software
Product
Support
Database
Computer
IT support
English Language
Business Processes
Data visualisation
Business Economics
Sales Engineering
Computer Science
Information technology
Leadership
Communication skills
Reliability
Commitment
Team work
Flexibility
Agile Methods
Agiles Mindset
Customer Experience
SSIS
MS SQL Server
Looker Studio
Data Warehousing
ETL (Extract, transform, load)
Turkish language
ServiceNow
Business Intelligence
Snowflake
SAP Analytics Cloud
Reporting
Data Science
Looker
Google Data Studio

Werdegang

Berufserfahrung von Ersan Kucukoglu

  • Bis heute 2 Jahre und 5 Monate, seit Dez. 2022

    T&E Business Support Analyst

    Roche Services (Europe) Ltd.

    Key Achievements Automated corporate card checks using Python, SQL, and Excel,reducing manual workload by 98%. The process helped identify active cards to prevent ongoing charges, fraud transactions, and potential misuse, particularly during employee terminations. Received the Q1 2024 Employee Excellence Award for outstanding contributions to process optimization and innovation Provided end-user support through ServiceNow, achieving a 97% incident quality rate, 91% SLA compliance, and a 4.8/5 CSAT score.

  • 1 Jahr und 1 Monat, Sep. 2023 - Sep. 2024

    Data Analyst

    Roche Services (Europe) Ltd.

    Collaborated with cross-functional teams to conduct data analysis and visualization, working closely with key stakeholders to drive data-informed decision-making Executed deep data analysis and data cleaning using SQL, Excel, Python, and Snowflake, ensuring data accuracy and reliability for critical business insights Developed and maintained interactive dashboards in Tableau, Looker, and ServiceNow, which streamlined data visualization processes and empowered stakeholders with actionable insights and KPIs

  • 3 Monate, Apr. 2022 - Juni 2022

    Data Analyst

    Lidl

    • Built Python-based Databricks data product for monthly plastic packaging weight prediction and tracking using advanced time series analysis. • Utilized SQL, Python (including pandas, numpy, PySpark, and plotly) for data cleaning and exploration. • Implemented forecasting models, achieved 64% improvement in the model performance. • Developed SQL Dashboard for analyzing and predicting sales forecasts, enabling optimized plastic packaging decisions.

  • 1 Jahr und 1 Monat, Juli 2019 - Juli 2020

    Business Analyst

    Polpan Electrical

    • Designed offer and cost analysis for projects with procurement, design, and manufacturing collaboration. • Streamlined the process of creating offers and designs for clients by developing a customized solution in Excel, reduction errors and saved 45% time • Created monthly sales and customer reports, uncovering insights to drive business growth and enhance customer satisfaction. • Built monthly sales and customer reports, revealing actionable insights for business growth and customer satisfaction .

Ausbildung von Ersan Kucukoglu

  • 1 Monat, Mai 2023 - Mai 2023

    Data Science Workshop

    University of Cambridge

    Researched data science projects at the Cambridge Center for Data Driven Discovery, participated in a Machine Learning Clinic Session, and attended a statistics course in the Computer Science Department.

  • 10 Monate, Sep. 2021 - Juni 2022

    Business Analytics

    Central European University

    Courses: Coding: Data Management and Analysis with R, and Python; Data Analysis (EDA, Prediction, Time Series, Machine Learning); Data Engineering: SQL, Cloud Computing (AWS), Big Data Computing with Apache Spark, Data Science: Machine Learning Concepts, Data Visualization with Tableau, Python Programming, Visualization and Text Analysis, Agile Project Management and Scrum • Full scholarship recipient, demonstrated exceptional academic merit

  • 5 Jahre und 1 Monat, Sep. 2014 - Sep. 2019

    Electrical Engineering

    Adnan Menderes University

    • Courses: Computer Programming, Transform Techniques with Computer Applications, Basic Information Technologies, Statistics, Microprocessors, Wireless Communications • Received scholarship from Roma Education Fund and Senbas Group

Sprachen

  • Türkisch

    Muttersprache

  • Englisch

    Fließend

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