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Gjorgji Mladenovski

@gjorgjimladenovski

Software engineer at Logicna Podloga building AI-powered business platforms, including Paško, a voice-enabled assistant for invoices and financial administration.

Croatia

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At Logicna Podloga, I developed Paško, a business-management application for Croatian freelancers, small businesses, associations, and companies. Its voice-enabled assistant lets users create invoices, quotations, and business partners through voice or text commands.

I also developed Pango Project, an AI-powered coaching and performance platform for VALORANT teams. It includes tactical playbooks, VOD-analysis workflows, automated coaching reports, and tools for team scheduling and practice review.

Across projects including Biljarski klub ALPHA and Udruga Carpus Dei, I built membership, booking, and payment platforms with responsive web applications and FastAPI services. I also designed and deployed 20 Astro static websites for Croatian businesses and organisations.

Before Logicna Podloga, I worked as a Quality Assurance Engineer at SprintRay Europe GmbH, supporting and troubleshooting 3D printers, and as a Web Developer & Java Developer at K.U.M Klaster Udruga Mreza. My work there included Java applications and Minecraft server systems, alongside Linux administration, technical documentation, and hardware/software validation.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

Logicna Podloga J.d.o.o

Aug 2023 - Present (3 years 2 months)

Designed and developed a business-management application for Croatian freelancers and small businesses, including a voice-enabled assistant for invoices and financial administration. Built backend services with FastAPI, PostgreSQL, Redis, and WebSockets, and deployed on Hetzner and Railway.

Python fastAPI Next.js PostgreSQL Redis WebSockets OpenAI API Speech to Text PDF Generation XML SOAP Docker Railway Hetzner Cloud Linux Nginx DNS SSL TLS REST APIs Git

Quality Assurance Engineer

SprintRay Europe GmbH

Jun 2021 - Jul 2023 (2 years 1 month)

Developed and implemented Standard Operating Procedures for 3D printer service and support. Provided technical training, supervised technicians, and delivered remote support using Zendesk, TeamViewer, and AnyDesk.

SOP Development Technical Training Remote Support Zendesk TeamViewer Any Desk 3D Printing Troubleshooting

Web Developer & Java Developer

K.U.M Klaster Udruga Mreza

Jan 2016 - Jan 2021 (5 years)

Built and maintained applications for associations and NGOs, including backend APIs, admin panels, and deployment automation. Developed custom Java-based Minecraft plugins and backend services, and managed production servers.

Java Spring Boot REST APIs Authentication Database Integration Linux Networking Relational Databases Monitoring Troubleshooting

Lead Developer / Static Sites

Logicna Podloga

Designed, developed, and deployed 20 production static websites using Astro for local businesses and organizations. Handled full project lifecycle from requirements to deployment and maintenance.

Astro HTML CSS JS Static Site Generation DNS SSL TLS Git Railway

Lead Developer

Biljarski klub ALPHA

Designed and developed a membership management platform for a billiard club, including digital membership cards, statistics, and instant activation flows. Built with FastAPI and Next.js, and delivered as an Android-wrapped application.

Python fastAPI Next.js Android PostgreSQL Docker Linux Nginx SSL TLS REST APIs Git

Lead Developer

Logicna Podloga J.d.o.o

Developed an AI-powered coaching platform for VALORANT teams, including backend services, frontend dashboards, and Discord integration. Managed full product lifecycle from design to deployment.

Python TypeScript fastAPI NestJS Next.js React PostgreSQL Redis WebSockets Discord APIs Speech to Text Docker Railway Hetzner Cloud Linux Nginx DNS SSL TLS REST APIs Git

Lead Developer

Kraken Trading Bot

Designed and developed a live deterministic trading bot for cryptocurrency markets on Kraken, supporting spot and margin trading. Implemented risk management, technical indicators, and AI-assisted decision layers.

Python fastAPI PostgreSQL Redis WebSockets Kraken API Docker Hetzner Cloud Linux Nginx Pandas TA Lib OpenAI API

Lead Developer

Udruga Carpus Dei

Developed an online booking and payment platform for workshops and therapies, with Next.js frontend and FastAPI backend. Integrated HUB3 payment slips and an OpenWA-based booking agent.