Web products
Fast, expressive websites and serious web applications—designed with care and engineered to scale.
- React
- Next.js
- TypeScript
- APIs
Software studio · Banja Luka
We build thewhole thing.
From the first pixel to the systems behind it, ZDev designs and ships ambitious products across web, mobile, desktop, and AI.
ZDEV / PRODUCT SYSTEM001
FromIdea→ToImpact
ThinkDesignEngineerShip
5+Years shipping
real products
real products
04Product surfaces,
one studio
one studio
The approach
Clarity first. Craft throughout. Ownership all the way.
[ 01 / Philosophy ]
The best softwarefeels inevitable.
We work across disciplines because great products do not stop at the edge of a design file, an API, or a device.
The job is to understand the real problem, remove what gets in the way, and engineer the simplest complete answer.
Strategy→Interface→Architecture→Shipped product
[ 03 / Expertise ]
Wide range.
Real depth.
One partner from early ambiguity to reliable software in production.
Mobile apps
Native-feeling iOS and Android experiences with resilient data flows, polished motion, and clear product thinking.
- iOS
- Android
- Cross-platform
- Offline-first
Desktop software
Purpose-built desktop tools that turn complex workflows into software people can rely on every day.
- macOS
- Windows
- Linux
- Integrations
AI systems
Practical AI products—from intelligent interfaces to custom workflows—grounded in real user value.
- LLMs
- Deep learning
- Automation
- Agents
Backend & cloud
Secure services, thoughtful data models, and dependable infrastructure built for the long run.
- Architecture
- Databases
- Cloud
- DevOps
Product engineering
From a rough idea to a shipped release: discovery, prototyping, architecture, delivery, and iteration.
- 0→1
- UX
- Systems
- Delivery
Depth when it matters.
Range when it helps.
ZDev is a software studio in Banja Luka founded by Dragan Zrilić with 5+ years of professional experience turning ideas into products people can use.
Our work has moved through websites, web platforms, mobile apps, desktop systems, and AI—sometimes deep inside one layer, sometimes owning the entire journey.
We stay close to the craft: asking sharper questions, learning quickly, and shipping work that holds up after launch.
Faculty of Electrical Engineering, University of Banja LukaDeep Learning SpecializationConvolutional Neural NetworksTensorFlow.js
Full profile on LinkedIn [ 05 / Working principles ]
How we show up.
Own the outcome
The deliverable is not code. It is a product that works for the people using it.
Make it clear
Good systems, good interfaces, and good collaboration all begin with clarity.
Keep the bar high
Performance, resilience, and the tiny details all shape how software feels.
[ 06 / Contact ]
Have an ambitious idea—or a stubborn problem?