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My name is Alkiviadis Oikonomidis, a data-driven analyst with a solid foundation in statistics and insurance science, and also I am currently pursuing an MSc in Cybersecurity & Data Science at the University of Piraeus -with expected graduation within 2026-. I have hands-on experience in data analysis for retail banking and gaming platforms, by using SQL, Excel, and Power BI to turn data into actionable insights. I enjoy collaborating across departments, solving complex problems, and continuously learning new tools such as Python, R, SAS, SPSS, and MATLAB. I am seeking opportunities in data analytics, business intelligence, and related fields to help organizations make informed decisions.…My name is Alkiviadis Oikonomidis, a data-driven analyst with a solid foundation in statistics and insurance science, and also I am currently pursuing an MSc in Cybersecurity & Data Science at the University of Piraeus -with expected graduation within 2026-. I have hands-on experience in data analysis for retail banking and gaming platforms, by using SQL, Excel, and Power BI to turn data into actionable insights. I enjoy collaborating across departments, solving complex problems, and continuously learning new tools such as Python, R, SAS, SPSS, and MATLAB. I am seeking opportunities in data analytics, business intelligence, and related fields to help organizations make informed decisions.

Alkiviadis Oikonomidis

Data Analyst, Data Scientist, Data Visualizer

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My name is Alkiviadis Oikonomidis, a data-driven analyst with a solid foundation in statistics and insurance science, and also I am currently pursuing an MSc in Cybersecurity & Data Science at the University of Piraeus -with expected graduation within 2026-. I have hands-on experience in data analysis for retail banking and gaming platforms, by using SQL, Excel, and Power BI to turn data into actionable insights. I enjoy collaborating across departments, solving complex problems, and continuously learning new tools such as Python, R, SAS, SPSS, and MATLAB. I am seeking opportunities in data analytics, business intelligence, and related fields to help organizations make informed decisions.…My name is Alkiviadis Oikonomidis, a data-driven analyst with a solid foundation in statistics and insurance science, and also I am currently pursuing an MSc in Cybersecurity & Data Science at the University of Piraeus -with expected graduation within 2026-. I have hands-on experience in data analysis for retail banking and gaming platforms, by using SQL, Excel, and Power BI to turn data into actionable insights. I enjoy collaborating across departments, solving complex problems, and continuously learning new tools such as Python, R, SAS, SPSS, and MATLAB. I am seeking opportunities in data analytics, business intelligence, and related fields to help organizations make informed decisions.

Available to hire

My name is Alkiviadis Oikonomidis, a data-driven analyst with a solid foundation in statistics and insurance science, and also I am currently pursuing an MSc in Cybersecurity & Data Science at the University of Piraeus -with expected graduation within 2026-. I have hands-on experience in data analysis for retail banking and gaming platforms, by using SQL, Excel, and Power BI to turn data into actionable insights.

I enjoy collaborating across departments, solving complex problems, and continuously learning new tools such as Python, R, SAS, SPSS, and MATLAB. I am seeking opportunities in data analytics, business intelligence, and related fields to help organizations make informed decisions.

Skills

Experience Level

Expert

Expert

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Beginner

Language

Greek, Modern

Fluent

English

Advanced

French

Advanced

Work Experience

Data Analyst at National Bank of Greece – via ICAP HR

May 30, 2024 - December 31, 2025

Big-picture data analysis for bank loan applications, activations and disbursements, as well as retail banking products (e.g., car loans). Built SQL queries to extract data for analysis and produced regular and ad hoc reports for senior management on a daily, weekly or monthly basis using Excel (dashboards, VLOOKUP, PivotTables) and Power BI. Collaborated with multiple departments to provide data support for banking operations and data governance.

IT Consultant at VIOSER S.A.

January 2, 2024 - May 17, 2024

Management, support and consultancy in SAP ERP system (SD, MM, FI modules); problem solving for company PCs/Laptops; assistance with Microsoft Office 365 and Active Directory (username/password resets, unlocks, guidance in Outlook/Teams). Managed Panda Antivirus protection KPI, phishing/URL monitoring, patch management; ISO27001 form files management & maintenance (Excel).

Data Analyst at SportServe – Sportion Development Services

February 1, 2022 - December 31, 2023

Data analysis for casino games and Asia-based Dafabet & Nextbet online casino platforms; real-time monitoring of game and player performance, observation of abnormal behavior; collaboration with other departments to escalate irregularities; handling large withdrawal requests from big-winning players and generating risk reports.

Call Center Officer at WIND Hellas (now NOVA Telecommunications Greece – via ICAP HR)

October 7, 2019 - November 1, 2021

Inbound income calls handling for customers regarding bills/contracts and technical issues; information on offers for contract renewals; processing bill payments via SAP ERP FI; escalation to technical department as needed.