Hi, I’m Riko.Your Android and Webpagedeveloper you need.

Polished native mobile apps · fast handcrafted web · agentic workflows · CS @ FIIT STU

$ riko --loopplanbuildqueuedverifyqueuedshipqueuediteration #1 · human in the loop

$ ls ~/projects --highlights

Highlights

MULTIPLATFORM

Skillmea

Mobile app for Slovakia's largest online course platform: course catalogue, video player with offline downloads, chapter progress and subscriptions.

visit details

✨

AGENTICbeta

Venture

My Claude Code skill that takes a raw idea to a store release: honest validation behind a go / pivot / park gate, a decision wizard, multi-repo bootstrap and a resumable per-epic agent loop.

case study

✨

MULTIPLATFORM

Buildo

Site diary in your pocket: daily construction logs with workers, materials, photos and PDF/Excel exports.

visit details watch

ANDROIDbeta

Veltro

Privacy-first social platform for every sport. Local-first, end-to-end encrypted, with a self-hostable backend.

visit details source get it

INFRA

Event Gateway on Serverless AWS

Industrial case study with Fiserv: a bare-metal Kubernetes event gateway rebuilt as event-driven serverless on AWS, with a Bedrock pipeline that flags issues automatically.

IEEE paper

✨

MULTIPLATFORM

Obed na Divách

2.5D pixel art adventure game with various mini-games. Lore: Ordinary IT worker in corporate during lunch break rush.

watch get it

discover more

$ riko --stack

Tech stack

lang
- Kotlin
- Java
- Python
- TypeScript
- JavaScript
- C#
- C++
- C
- PHP
- R
- Solidity
mobile
- Compose Multiplatform
- Jetpack Compose
- Android
- Android Studio
- iOS
- Swift
- Gradle
web
- HTML
- CSS
- Sass
- React
- Next.js
- Vue
- Nuxt
- Quasar
- Tailwind
- Bootstrap
backend
- Ktor
- Spring
- Node.js
- Express
- AdonisJS
- Laravel
- Apache
- Prisma
data
- PostgreSQL
- MySQL
- SQLite
- Oracle
- GraphQL
- Firebase
- Supabase
- PyTorch
- TensorFlow
- tidyverse
infra
- Docker
- Kubernetes
- AWS
- Google Cloud
- Unix
- Bash
- Raspberry Pi
- Arduino
tools
- Git
- GitHub
- GitLab
- Bitbucket
- JetBrains
- VS Code
- Vim
- RStudio
- Jupyter
- Unity
- LaTeX
- Apidog
design
- Figma
- Canva
- Affinity
- GIMP
- Blender
team
- Slack
- Pumble
- Jira
- Confluence
- Trello
ship
- App Store Connect
- Play Console
- RevenueCat
- Stripe
- PostHog
- Resend

$ cat About.kt

About me

About.kt

01data class Developer(
02    val name: String = "Frederik \"Riko\" Duvač",
03    val study: String = "Computer Science @ FIIT STU",
04    val focus: List<Focus> = listOf(
05        Focus.MULTIPLATFORM, Focus.AI_AGENTIC_WORKFLOWS
06    ),
07    val mission: String =
08        "Modern Android apps and fast, minimalistic " +
09        "websites tailored exactly to what clients need."
10)
11
12fun main() = println(Developer())  // hire-ready ✓

$ ping riko --now

Contact

Ready to bring your ideas to life? I’m always up for interesting projects and enjoy collaborating with motivated people. Let’s build something exceptional together.

Drop me a line or connect with me here:

hello@rikoapp.dev LinkedIn GitHub

$ gh repo list RikoAppDev --limit 100→ 80+ repos · 40+ public

This page is the highlight reel. The apps, experiments, coursework and agent tooling behind it live on GitHub.

browse the rest

Hi, I’m Riko.Your AndroidMulti-platform and Webpagedeveloper you need.

Highlights

Skillmea

Venture

Buildo

Veltro

Event Gateway on Serverless AWS

Obed na Divách

Tech stack

About me

Contact

Hi, I’m Riko.Your Android and Webpagedeveloper you need.