● Music Studio: all-in-one multi-track recording, sequencing, looping and editing music production software
● FxRack: real-time audio effects rack with customizable effects
● Mix: multi-channel mixer for live balancing and gain control
● Metronome: precision tempo guide with visual and haptic cues
● Looper: multi loop live recording with overdub support and live performance capabilities
● MIDI Sequencer: pattern-based step sequencer for MIDI hardware
● MIDI Controller: customizable on-screen controls for external synths
● Drums: all-in-one drums focused app
● Piano: all-in-one piano focused app
● Guitar: all-in-one guitar focused app

Technologies: Kotlin for UI & app logic, C++ audio engine for low-latency DSP, Firebase (Realtime Database, Cloud Functions, Analytics), automated testing with Espresso & UIAutomator, unit testing with JUnit & Mockito.

● Contributed to an existing web application using PostgreSQL for data storage
● Implemented backend features with PHP and the Yii framework
● Containerized services and managed deployment workflows with Docker

Technologies: PostgreSQL, PHP, Yii Framework, Docker, Git.

● Working on both Android and iOS platforms: refactored and improved legacy Java/Kotlin code base, and evolved my own Swift app version originally developed three years ago
● Google Play – Motorkari.cz Android: optimized performance, modernized UI for material design compliance
● App Store – Motorkari.cz iOS: updated to Swift 5, integrated new push-notification workflows and background sync

Technologies: Kotlin & Java (Android SDK), Swift & Objective-C (iOS SDK), MVVM architecture, RESTful APIs, Firebase Cloud Messaging, Git for CI/CD.

● Collaborated on the iOS and Android SDK for glucose-scanning medical devices in diabetes care
● Operated in a multinational remote team using Scrum, Git flow, code reviews and an API-first design approach
● Defined and implemented Gherkin-based test scenarios during the design phase for extensive QA coverage
● Secured FDA review and approval by adhering to best practices in medical software development
● Extended existing iOS applications and built example iOS & Kotlin sample apps to demonstrate SDK integration

● Sensoneo OLO Passport App, Server API, DB Electronic waste collection system

● Renetik Instruments Music Production Android Apps & Website

● For SODB 2021
Android & iOS apps Census of Republic of Slovakia, native mobile applications iOS & Android

● Charts for Bot.Media Configurable Vue.js chart component using chart.js and written in typescript
● Om Writer Android app in Kotlin, released as first application by Renetik Software

● Hand Writer Android app in Kotlin, web in Vue.js (Typescript), backend developed with Firebase
● Property Farmer Android app in Kotlin, Amazon S3 storage, Spring backend hosted on Heroku

● Motorkari iPhone and iPad app originally in Objective-C, now rewritten to Swift

● Rcherz iOS big iPhone / iPad app written in Objective-C
● Rcherz Android large Android application written in Java
● Rcherz Scoring mission critical app for Android used for scoring competitions

● Renetik Android Software library written in Kotlin used as base for my professional projects
● Renetik iOS Software library in Objective-C and Swift, used in my professional projects
● Force Quit Small desktop application for MacOS written in objective-c

● Promile Lady Android app for testing of alcohol level after some drinks, styled for woman
● Pilsner & Kozel Compass iPhone app for finding closest bar for specific beer brand
● TV Markiza Archiv iPhone and iPad app for TV Markiza

● Live Agent Mobile Two apps, one for Android and other for iPhone/iPad
● Post Affiliate Pro Mobile Two applications, for iPhone and Android, for Quality Unit
● Taxicar Two Android native applications in Java similar to Uber app, that did'nt exist back then.
● Regiofood Android as well as iPhone and iPad applications in Java and Objective-C respectively

● Agile team development (Scrum, TDD, pair programming)
● Web app: Live Agent Pro – GWT, PHP, JavaScript, MVP
● PDF parser/generator in PHP (Adobe PDF spec)
● Maintenance of Aff Notify, Unit Miner Studio

Java (Swing), PHP, PDF libraries

● Unit Miner script editor (Eclipse RCP)
● J2EE web apps (JSF)
● OCR app in C# for U.S. client
● Wireframe editor (cancelled)

Bachelor's degree

HTML, Linux, wireless networks; systems setup and installation

Windows, AutoCAD, networking, Linux

Hands-on experience with hardware, networking, and retail support