Ing. Roland Körtvely
Ing. Roland Körtvely
About Me

I'm a software developer driven by solving complex challenges. Whether it's building seamless mobile experiences using Kotlin and Swift, integrating peripheral devices, or optimizing full-stack solutions, I enjoy finding creative ways to make technology work for users. My background includes web development, database systems, and a constant drive to learn.

  • Residence: Košice, Slovakia
  • Freelance: Available
Accomplishments
EFT/POS Integration with ep2 Swiss Certification
Successfully integrated EFT/POS terminals to achieve ep2 Swiss certification for secure, unattended payments.
.NET VMC Bridge Development
Built a .NET bridge for seamless communication between a POS system and both a CPI coin changer (using ccTalk protocol) and a BNR bill recycler.
Android Library Integration (TIM SIX API, ZVT)
Integrated third-party Android libraries to facilitate communication with peripheral devices using TIM SIX API and ZVT protocol.
Swissbit TSE Fiscalization (Germany)
Implemented a Swissbit TSE (Technical Security Equipment) solution to ensure compliance with strict fiscalization regulations in Germany.
My Services
Mobile App Development

Develop native Android (Kotlin) and iOS (Swift) applications for your business needs.

Integration & Automation

Integrate peripheral devices like printers, EFT terminals, and scanners into your software solutions. Automate tasks for increased efficiency.

Full-Stack Development

Build comprehensive software solutions encompassing web applications, mobile apps, and databases (MariaDB, SQLite, etc.)

Containerization & CI/CD

Leverage Docker for application packaging, Jenkins for automation, and tools like Portainer and Traefik Proxy for deployment and management.

Clients
Adega GmbH
Apponio
Resume
Experience
Apr 2021 - Present
Software Developer
Sole Proprietorship

Focused on Android (Kotlin), iOS (Swift), web development (Vue.js, Laravel), and database solutions.

Jan 2020 - Apr 2021
Software Engineer
Cassovia Code

Developed and implemented mobile application solutions, integrated peripheral devices, and worked on complex software architecture.

Education
2020 - 2022
Technical University of Košice
Kosice, Slovakia

Master's Degree – Informatics. Thesis: Offline Data Synchronization Patterns

2013 - 2017
Secondary School of Electrotechnic
Kosice, Slovakia

Specialization: Computer Systems

Programming Languages / Technologies
Kotlin
Java
PHP
C#
Swift
C/C++
Vue.js
Laravel
Svelte
Inertia.js
Vite
Tailwind CSS
MariaDB
SQLite
Redis
Meilisearch
.NET (WPF MVVM)
Tauri
Oracle OCI
AWS
GCP
Docker
docker-compose
Portainer
Traefik Proxy
Authentik
CircleCI
GitHub
GitLab
PlatformIO
Microchip Studio
Arduino
Rust
Jira
JetBrains Space
MS Teams
Monday
Languages
  • English
  • Slovak
Knowledge
  • Versatile
  • Solution-Oriented
  • Technologically-Driven
  • Collaborative
  • Proactive Learner
Certificates
/certificates/Coursera KBBUH8WT6UEY.png
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/certificates/Coursera 6XER3TER8EV5.jpg
/certificates/OCI certificate 2021.jpg
/certificates/BigDataUniversity BD0111EN Certificate  Cognitive Class.png
/certificates/Cognitive Class BD0211EN Certificate  Cognitive Class.png
/certificates/Cognitive Class BD0212EN Certificate  Cognitive Class.png
/certificates/Lightbend LB0101ENv1 Certificate  Cognitive Class.png
/certificates/Lightbend LB0103ENv1 Certificate  Cognitive Class.png
/certificates/Lightbend LB0105ENv1 Certificate  Cognitive Class.png
Get in Touch