Portfolio

Trusted by organizations across fintech, enterprise, and transportation industries since 2001

Bluefin Payment Systems

Java, Quarkus, Groovy, Spring Boot, PostgreSQL, Elixir/OTP, Docker, Kubernetes

Payment Gateway & Microservices

3-D Secure v2.2.0 server module with EMVCo, Visa, Mastercard, Amex, Discover, and Borica certification. Payment gateway modules including instant payments, Apple Pay and Google Pay PSP integration. Nexo TMS protocol, POS configuration, and POS-to-POI WebSocket communication built on Elixir/OTP.

fpoho

Java, Spring Boot, PostgreSQL, MySQL, Tomcat, JSON, TelekomCloud, Scaleway

Web Application & Administration

Server-side backend development for synchronization of data between multiple sources and applications. Infrastructure administration including advanced techniques such as geolocated database copies for high availability and low-latency access across regions.

Enttive

Java, Tomcat, XML, AIX, Informix, JDBC

REST Application

Interconnected e-commerce and economic information system enabling seamless B2C and B2B data exchange.

YMS

Java, Swing, Jasper Reports, JavaScript, JUnit, SVN, Toplink, UML

UI & Web Application

Developed the application for the administration of the vehicle fleet and cost optimisation.