Marko Ljuboja

Marko Ljuboja

Marko Ljuboja

Software Engineer (iOS & Mobile Focus) | DePaul Computer Science Alum

I build and ship polished mobile and web experiences. Launched serbDictionary on the App Store.

Currently seeking new grad software engineering roles.

B.S. Computer Science — DePaul, Nov 2025 3.69 GPA · Cum Laude · Spanish Minor Chicago, IL

Experience

All Meal Prep

Software Engineer (Contract)
December 2025 - Present

Working on a React Native mobile ordering app as part of a 3-person team for a high-volume meal prep delivery business. Built and stabilized core commerce flows including checkout and order tracking, and collaborated with a backend developer to integrate REST APIs across authentication, payments, and orders.

React Native Stripe REST APIs

Projects

serbDictionary App IconserbDictionary

iOS app translating Serbian ↔ English. Features include search, example sentences, and a word-of-the-day widget. Built natively with SwiftUI and optimized for offline use with SQLite.

SwiftUI SQLite WidgetKit

iOS Stem Player

Audio separation and playback tool leveraging the ML-based Demucs model. Upload songs and isolate vocals, drums, bass, and other instruments. Built with Swift frontend connected to Python/Flask backend for ML processing.

Swift Python Flask Demucs ML

Refolio

Full-stack web application that converts uploaded resumes into editable, hosted portfolio websites in under 60 seconds. Built and shipped end-to-end, with authentication, Stripe-based subscription billing, and Cloudflare-powered custom subdomain routing.

Next.js Supabase OpenAI Stripe Cloudflare

Forex Platform

Awarded 3rd Place at the Northern Trust x DePaul Hackathon. Foreign exchange tradiing platform with real-time currency data visualization, trading simulator, and future view.

React Python LSTM

NBA Schedule

Web app displaying real-time NBA scores and schedules for the 2025-26 season. Also has game box scores and conference standings. Clean interface with live updates fetched from ESPN.

HTML/CSS JavaScript API
NowOrNever screenshot

NowOrNever

React web app made for the IIT ScarletHacks Hackathon. Connects restaurants to customers for last-minute food purchases, reducing food waste. Features AI-powered food image analysis and real-time inventory management with Supabase backend.

React AI Supabase