Miloš Mićunović — Senior Software Engineer

01featured · sole developer & maintainer

Papercopy

Trace‑and‑draw app, available worldwide on Google Play since 2017 and now on iOS as a fully native Swift app. Owns the whole product end to end: the Kotlin and Swift clients, the backend and the servers it runs on, security, the Pro subscription and AI‑credit monetization, marketing and support.

Kotlin + Spring Boot backend on Firebase Realtime Database and Firestore — AI‑credit accounting, server‑side purchase verification and store notifications for Google Play and the App Store
AI credits generate new tracing images or convert user photos — image pipeline on Gemini and OpenAI, provider switchable by configuration
Pro subscription and in‑app purchases across both stores
Installed audience grew 10× since 2019 and doubled since 2024
44 production releases, v1.0 → v3.1

kotlin · androidswift · iosspring boot · firebaseai image gensubscriptions

→ google play → app store → papercopy.app

5M+downloads

1.1Minstalled audience

4.55★6.5k reviews · 177 countries

9ylive since 2017

Stopmo StudioStop‑motion animation · Android, iOS soon

site ↗

FiskalBills & receipts tracker · Android, iOS soon

site ↗

02experience · 14 years

2019 → now

Senior Backend Developer @ SynergySuite

Core backend team for a back‑of‑house platform used across thousands of restaurant, hotel and QSR locations worldwide. Develops and maintains the inventory and transaction modules — many of their central features, code review, production bug fixing, and work on the migration from the Java EE monolith to Spring Boot microservices. MySQL/Hibernate, hosted on AWS.

java ee · spring boot · mysql · hibernate · aws

2021 → 2022

Senior Android Developer, part‑time @ Exploring

Student app for University Donja Gorica, built in Kotlin with Jetpack Compose.

kotlin · jetpack compose

2015 → 2019

Senior Backend Developer @ Bild Studio

Architecture and development of a service‑management and customer‑service suite spanning 60+ .NET / .NET Core projects, on SQL Server.

c# · .net core · mssql · angularjs

2013 → 2015

Backend & Android Developer @ Sentiware

ASP.NET web services and sites; Android client for a video‑streaming service.

c# · asp.net · mssql · android

2012 → 2013

Backend Developer @ ECS

Banking software used across Montenegro — core invoice generation and dispatch components; support for Asseco SEE card management at four banks.

java ee · vaadin · hibernate · postgresql

03stack

backend

Java EE, Kotlin, Spring Boot, C# / .NET Core, Hibernate, REST, MySQL, MSSQL, PostgreSQL, Firebase (Firestore, RTDB), AWS, Docker, Linux server ops, Maven, Gradle

mobile

Android (Kotlin, Jetpack Compose, Java), iOS (Swift, native), Flutter, store publishing, subscriptions & IAP

ai‑native

Claude Code & Codex daily — planning, codebase investigation, implementation, review and analysis across Android, iOS, Flutter and backend.