Android Software Engineer — Belgrade, RS
Android software, engineered to stay up.
Kotlin & Jetpack Compose specialist across fintech, healthtech and fitness — full ownership from architecture to Play Store, with production stability as the through-line.
Software engineer with a photographer's eye, a cook's patience, and a distance runner's endurance.

95% crash-rate reduction across a multi-tenant SDK shared by 40+ white-label apps — while continuing to ship features.
- 1.4M+
- active installs
- 41
- apps maintained
- 95%
- crash-rate ↓
- 7 yrs
- Android
BACKGROUND
CV
EXPERIENCE
Building and shipping solo, end-to-end.
- –Two published Android apps, a live multilingual web booking platform, and open-source tooling for AI coding agents
- –Full ownership from architecture and Jetpack Compose UI through Play Store release and ASO
Production Android delivery in a regulated, security-sensitive government environment.
- –Built and maintain an internal Android application for issuing, printing and securely storing official ID credentials for administration staff
- –Built an internal web app (ASP.NET Forms + SharePoint) digitizing the building's visitor logbook — recording each external visitor's identity, ID document, host, and entry/exit times with total time on site, giving security a transparent, auditable report of who was in the building and for how long
- –Built an internal-portal search app that streamlined day-to-day administrative work for staff
- –Built a monitoring app tracking the uptime and health of carina.edu.rs, pushing instant Telegram alerts on failure
- –Led the initial technical setup of the Customs Administration's educational center
Embedded via vendor · Atlas mobile quality team · Kotlin, Jetpack Compose, MVVM
- –Founding member of the Atlas mobile quality team; built testing and release processes from the ground up for a multi-region, multi-app healthcare platform
- –Cut crash rate by 95% (1.45% → 0.07% on v5.26) across a multi-tenant SDK shared by 40+ white-label apps, while continuing to ship new features
- –Maintained production SDKs and apps serving 1.4M+ active installs, 275K MAU and 5M+ combined Play Store downloads across 41 apps and three regions (partners incl. UHC, Aetna, Cigna, Livongo)
- –Sole capable engineer on the Capacitor plugin — owned it end-to-end from architecture to release
- –Built and owned the React SDK demo app — the reference integration showcasing the platform SDK to partners
- –Diagnosed a production crash falsely attributed to my component using New Relic traces, proved the root cause lay in another layer, and drove the fix
The start of a deliberate pivot from banking into software engineering.
- –Delivered Android apps end-to-end for multiple clients
Domain foundation for fintech — accounts, payments, transactions, compliance.
- –Direct, operational understanding of the financial products fintech digitizes — business accounts, cash flow, transactions and payments — plus fluency in the regulatory stakes of financial software
LANGUAGES
SKILLS
Languages
UI
Architecture
Async
Dependency Injection
Networking & Data
Firebase
Performance
On-device ML / CV
Quality & CI/CD
AI Engineering
WORK
Projects
Pravoslavna Čitanja ↗
Published Android app (Google Play). End-to-end product: AI content pipeline (Python → Anthropic API → Room), Jetpack Compose UI, Play Store ASO and landing page. Shipped a full AI content feature for under $1 total generation cost.
BabyGo ↗
Published Android app (Google Play). Privacy-first fertility-planning app in Jetpack Compose: ovulation and fertile-window calculation, fully offline — no accounts, no tracking, no ads, no data collected or shared.
model-mix ↗
Open-source plugin for Claude Code (MIT). Tiered model-orchestration: a capable model handles design and review while routine work routes to cheaper models, with a second vendor (Codex) for cross-checks and escalation — plus automated verification of AI output and per-tier cost reporting.
Sardegna Mia Bella ↗
Holiday-rental booking platform (live). Full-stack web product: availability search, request-to-book flow, interactive location map, multilingual (EN / IT / SR), PWA with WhatsApp and Google Calendar integration. Firebase backend, EmailJS for booking requests, OpenStreetMap for the map. Designed, built and deployed solo.
PHOTOGRAPHY
Off the clock
The same eye, pointed at the light instead of the screen.
SAY HELLO
Contact
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