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Mario Katalinic

@mariokatalinic

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Integration and IoT Engineer at Thentia building cloud integrations and a smart waste management platform.

Croatia

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What I'm looking for

I'm focused on integration, platform engineering, and cloud-native systems, and I'm currently expanding my expertise in Linux, containers, and DevOps.

At Thentia, I lead end-to-end client implementations of cloud-based platforms, from solution design and configuration to stakeholder coordination. I also develop backend and integration logic with JavaScript, REST APIs, and JSON.

At Omega-Software, I designed and deployed IoT solutions using PostgreSQL, Cassandra, and Apache Kafka, and configured devices to meet client requirements. Earlier, I managed projects at International NGO and supported infrastructure projects at Bina-Istra.

I'm currently developing a Smart Waste Management IoT Platform, connecting devices, MQTT messaging, backend services, databases, and a web application. It includes real-time device communication, collection-run planning, analytics, role-based access, and detection logic for confirmed and suspicious emptying events.

Experience

Work history, roles, and key accomplishments

Current

Implementation Specialist / Solution Architect

Current

Thentia

Dec 2023 - Present (2 years 10 months)

Lead end-to-end client implementations of cloud-based platforms, covering solution design, configuration, and stakeholder coordination. Develop and maintain backend and integration logic using JavaScript, REST APIs, and JSON.

JavaScript REST APIs JSON API Integration System Integration Solution Design Stakeholder Coordination Troubleshooting Technical Documentation

Current

IT and Technical Translator

Current

Crotext & Freelance

Sep 2006 - Present (20 years 1 month)

Technical translation and localization for clients including T-Mobile, Visa, and Oracle. Specialized in IT, software and telecommunications terminology.

Technical Translation Localization IT Terminology Telecommunications Software

IoT Implementation Specialist

Omega-Software

Dec 2022 - Nov 2023 (11 months)

Designed and deployed IoT solutions using PostgreSQL, Cassandra, and Apache Kafka for real-time data processing. Configured and calibrated IoT devices to meet client technical and operational requirements.

PostgreSQL Cassandra Kafka IoT Device Configuration Real time Data Processing Collaboration

Technical Department Assistant

Bina-Istra

Mar 2021 - Nov 2022 (1 year 8 months)

Supported infrastructure projects through documentation control, reporting, and regulatory alignment. Monitored Environmental and Social Action Plans (ESAP) and Stakeholder Engagement Plans (SEP) to uphold sustainability and accountability.

Documentation Reporting Regulatory Compliance Stakeholder Engagement feasibility studies IT Support

Project Manager

International NGO

Jul 2008 - Jan 2021 (12 years 6 months)

Managed projects in construction, social inclusion, and publishing, including budgeting, reporting, and stakeholder communication. Coordinated workshops, campaigns, and multilingual publications for diverse communities.

Project Management Budgeting Reporting Stakeholder Communication Workshop Coordination Translation Localization

Education

Degrees, certifications, and relevant coursework

TVZ Lifelong Learning Programme

Professional Training, Python, Linux and Containers

2026 -

Ongoing professional training in Python, Linux, and containers, a 20 ECTS programme focused on Python-based application development, Linux systems, containerization, and IT operations.

Python Institute

PCAP – Certified Associate Python Programmer, Python Programming

Certified Associate Python Programmer (PCAP) certification from the Python Institute, completed in February 2026.

VERN’ University of Applied Sciences

BSc (univ. bacc. ing. comp.), Internet of Things and Computing

2021 - 2024

Grade: 4.8 / 5.0

BSc in Internet of Things and Computing, covering IoT systems, embedded and distributed systems, networking, SQL/NoSQL, operating systems, electronics, and systems security. Achieved a GPA of 4.8 out of 5.0.

Python Institute

PCEP – Certified Entry-Level Python Programmer, Python Programming

Certified Entry-Level Python Programmer (PCEP) certification from the Python Institute, completed in September 2024.

Cisco Networking Academy

CCNA: Introduction to Networks, Networking

2022 - 2023

Completed CCNA: Introduction to Networks course from Cisco Networking Academy, covering networking fundamentals.

Cisco Networking Academy

CCNA: Switching, Routing, and Wireless Essentials, Networking

2023 - 2023

Completed CCNA: Switching, Routing, and Wireless Essentials course from Cisco Networking Academy, covering switching, routing, and wireless technologies.

Cisco Networking Academy

CCNA: Enterprise Networking, Security, and Automation, Networking

2023 - 2023

Completed CCNA: Enterprise Networking, Security, and Automation course from Cisco Networking Academy, covering enterprise networking, security, and automation.