OTP banka d.d. Mar 2025 — Apr 2025 Zadar & Split, Croatia Highlight

Information Security Intern

Embedded 20-day professional internship inside the Information Security department of OTP banka d.d., one of Croatia's largest banks. Worked hands-on with enterprise production systems under direct mentorship — not classroom exercises, but real banking infrastructure. Rotated between the Zadar and Split offices, gaining exposure to different team workflows and systems.

  • Configured and troubleshot IBM QRadar SIEM — log sources, offenses, and custom alerting rules
  • Diagnosed a log ingestion failure (McAfee → QRadar) by isolating the log source identifier misconfiguration
  • Created a custom QRadar rule to trigger email alerts on any security policy change
  • Conducted an internal Qualys vulnerability scan — documented and triaged 270+ findings (SMB Signing, SSL, Info Gathering)
  • Administered Symantec Mail Security Gateway: e-mail threat filtering, quarantine management
  • Managed USB device permissions via Symantec DLP — processed employee access requests
  • Participated in SWIFT Learning Services online presentation on interbank transaction infrastructure
  • Attended internal security meetings on privileged access management (PAM) and access control gaps
  • Reviewed DMZ architecture, firewall segmentation, and physical server room infrastructure
  • Participated in guided pen-test exercises: Nmap scanning, credential brute-force, SQL database access via network recon
IBM QRadar Qualys Symantec Fortinet Check Point McAfee SIEM Nmap SIEM DLP SWIFT
OPG Branko Marinov 2022 — Present Croatia / Remote

Web Developer & SEO Specialist

Built and currently maintain a portfolio of production websites for a family-run agricultural and olive oil business. Responsible for the full stack — design, development, content, SEO strategy, and ongoing performance — across four active websites targeting three different international markets.

  • Designed and launched opgbrankomarinov.com from scratch — full product catalog, Croatian market SEO
  • Built oliwa-z-oliwek.pl — Polish-language landing page with keyword research and content for Polish export market
  • Launched olivenoel-aus-kroatien.de — German-language site for DACH market with structured data and local SEO
  • Developed apartmani-biograd.com — tourism apartment rental site with local SEO and booking-optimized layout
  • Ongoing: content updates, technical SEO audits, performance monitoring, and search ranking analysis
  • Managed business accounts, product listings, and supplier/customer correspondence
WordPress HTML/CSS SEO Google Search Console Multilingual Content Structured Data Analytics
ABC Tech Zagreb d.o.o. May 2023 Varaždin, Croatia

Frontend Development Intern

5-day undergraduate internship at a software company specialising in solutions for financial institutions and banks. Focused on front-end development using Angular and the PrimeNG component library, with exposure to full-stack workflows, identity management, and database connectivity.

  • Set up local development environment — Windows, Node.js v16.2, Angular CLI
  • Configured and managed Keycloak Admin Console: created users, assigned roles, handled authentication flow
  • Built a paginated, sortable, and filterable data table component using PrimeNG
  • Implemented search dialog with Oracle DB connectivity via DB Visualizer
  • Debugged Node.js version conflict and helped a fellow intern resolve the same issue
Angular PrimeNG Node.js Keycloak Git Oracle DB TypeScript
Hospitality Summers 2021–2023 Dalmatia, Croatia

Seasonal Service Staff

Worked seasonal hospitality roles during university summers. Developed strong customer-facing communication, high-pressure time management, and team coordination skills — all applicable to client-facing IT and support roles.

  • Customer service and communication in English and Croatian
  • Team coordination in fast-paced environments
  • Cash handling, inventory, and daily operations

Skills & Tools

Cybersecurity

  • SIEM — IBM QRadar, McAfee
  • Vulnerability Management — Qualys
  • Endpoint Security — Symantec, Fortinet
  • Network Analysis — Nmap, Wireshark
  • Threat Hunting & OSINT
  • Penetration Testing (lab)
  • pfSense, DVWA, Kali Linux
  • Phishing Simulation Frameworks

Data & Analytics

  • Microsoft SQL Server
  • Data Warehouse Design (Star Schema)
  • ETL Pipeline Development
  • Tableau — Dashboard & Visualization
  • Statistical Analysis (R)
  • Python (data processing, scripting)
  • Financial Mathematics & Modeling

Business & ERP

  • Microsoft Dynamics 365 Business Central
  • Business Process Modeling (BPMN)
  • Camunda (process automation)
  • Project Management (WBS, risk, stakeholders)
  • Digital Transformation Frameworks
  • Strategic Management (SWOT, Porter)
  • IT Service Management (ITIL-aligned)

Web & SEO

  • HTML, CSS, JavaScript
  • WordPress development
  • Technical SEO & on-page optimization
  • Multilingual SEO (HR, PL, DE)
  • Google Search Console & Analytics
  • Structured data (Schema.org)
  • Content strategy & keyword research

Tools & Platforms

  • Git & GitHub
  • Microsoft Office 365
  • Webex, Teams
  • Cloudflare (DNS, Pages)
  • Kaggle (datasets & notebooks)
  • Camunda BPM
  • Tableau Desktop
  • UiPath Academy

Languages

  • Croatian — Native
  • English — B2
  • Polish — Basic reading (SEO work)

Certifications

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UiPath Academy

Introduction to Agentic Automation

Foundations of agentic AI — autonomous agents, orchestration, task delegation, and integrating AI into automated business workflows.

Apr 2026
UiPath Academy

Getting Started with Application Testing in UiPath Test Cloud

Automated application testing — test design, execution, reporting, and CI/CD integration in UiPath Test Cloud.

Apr 2026
Deloitte · The Forage

Cyber Job Simulation

Log analysis, Python scripting, web security, data modeling, and formal client communication — virtual Deloitte analyst experience.

Apr 2026
Mastercard · The Forage

Cybersecurity Job Simulation

Designed phishing simulation campaigns and interpreted security awareness results — virtual Mastercard analyst work experience.

Apr 2026
Cisco Networking Academy

Introduction to Modern AI

Core concepts of modern AI — machine learning, neural networks, NLP, and real-world AI applications across industries.

Apr 2026
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