Envipak [Python, Django, OpenAI, Docker, Gitlab CI]

Chatbot for Envipak s.r.o. that answers questions about Slovak and EU legislation and internal company documents. Responses are generated by a multi-agent LLM pipeline with source citations.

• Full-stack application development from initial setup to production deployment
• Design and implementation of multi-agent AI architecture (LangChain) - query reformulation, relevant law selection, answer generation and response ranking
• Semantic document search using pgvector (PostgreSQL vector extension) and OpenAI embeddings
• Document ingestion pipeline supporting PDF (with OCR via Tesseract), Word, PowerPoint and Excel, including integration with EURLEX and SlovLex legal databases
• Three-tier access model (public / internal / private) with token and IP-based security

moj.evzen.sk [Python, Django, OpenAI, Gitlab CI, Docker]

Web application for managing technical equipment revisions (VTZ) for multiple organizations. Includes an AI-powered import pipeline that extracts revision data from PDF documents using an LLM.

• Full-stack development from initial setup to production deployment
• VTZ record management - list, filtering, export, QR codes and printer support
• AI-powered PDF revision import - page-by-page data extraction using OpenAI
• Multi-organization support with branch and role-based access control

Najlekaren.eu [Python, Django]

Long-term development and support of an online pharmacy e-shop. Responsible for implementing client change requests end-to-end - from requirements gathering to deployment.

• Ongoing feature development, bug fixing and client support
• Admin interface customizations by enriching our library django-smartbase-admin

Unipharma Geteway App [Java, Spring, Hibernate, Gitlab CI, Docker, Kubernetes, Openshift]

Unipharma Gateway is a Spring Boot application that provides authentication and authorization of users through multiple authentication providers. It supports LDAP, database authentication and session-based login. Users are authenticated through Spring Security, and the application sequentially verifies various sources of login data until it finds a valid authentication method. It also provides an API interface for essential applications working with users and pharmacies.

• I covered processes from analyzing to final deployment to Kubernetes environment
• Application build on Spring boot

Unipharma Uniportal [Python, Django, Gitlab CI, Docker, Kubernetes, Openshift]

Portal for pharmacies

• Initial application setup - Django, Setup of communication with Unipharma gateway (SSO)
• Implementing Google AI (Vertex, Recommendations) to portal
• Creating CI to deploy of all components to Kubernetes environment

TatraPay+ Python SDK

Python package for Tatrapay+ payment gateway + documentation.

• tatrapayplus-python on Github

e-Warehouseman [Java, Spring, Hibernate, Vaadin, Gitlab CI, Docker]

Extension software over ERP system (warehouse section). Software brings ability to use warehouse ERP over the internet and whole selling process is managed in this app. All operations are processed in real time.

• Analyzing and wireframeing
• Development process using Scrum methodology (from design to deployment)
• Application development according to the business requirements using Java (Spring boot application)
• Frontend developed in Vaadin framework
• Data synchronization over MSSQL db views

Effective business management and elearning system [Java, Spring, Hibernate, Vaadin, Gitlab CI, Docker]

Software development for a large company with 70+ physical shops. The main goal of the project was to provide all necessary information and selling tips to all employees in the network in elearning form using courses and tests. In addition, the application allows performance monitoring of every shop as well as employees and setup specific sales targets (KPIs) for each employee.

• Development process using Scrum methodology (from design to deployment)
• Application development according to the business requirements using Java (Spring boot application).
• Frontend developed in Vaadin framework

Sport.video android and iOS application [Android, Java, Swift, Swift UI] - not acutal

Sports.video is the easiest way to record and share sports highlights on video. No technical know-how necessary, video clips are automatically created and edited. Use your smartphone and create clips with just the push of a button.

Ask & Receive [Swift, PHP, Gitlab CI] - not acutal

Ask & Receive is iOS application developed in Swift. Backend of the application is developed in PHP Yii framework. I started working on this project after release and currently work on it as the main (and only) full stack developer.

• Application development according to the business requirements using Swift (app) and PHP (backend)
• Responsible for troubleshooting of application and extending its features

Other projects

Working on other project as backend coding support.

• Loan register
• www.svx.sk
• www.alo.sk
• www.diw.sk

Restify.sk [Java, Spring, Vaadin, Vue, Docker, Github CI]

My personal project Restify.sk is online ordering system for small restaurants. It is build on Spring boot with combination of Vaadin framework. Ordering section is created in Vue framework. It also has an Android app to manage orders. Project is in active developement phase in my free time.

• Automatic deployment (Github CI)
• Stripe online payments

WebJet Cloud [Java, HTML, CSS, jQuery, Photoshop]

Designing and programming of new templates. Programming of custom modules for CMS system in Java.
Technical support for clients.

Obec Marianka [Java, HTML, CSS, jQuery, Photoshop]

Creating of the web portal for Marianka village. Programming of custom modules in Java. Built on WebJet Cloud.

Other projects

Working on other big project as frontend or backend coding support.

• ŽSR
• Tatrabanka a.s.
• Generali a.s.

2017

AVPSR.sk [HTML, CSS, Javascript, Wordpress, Photoshop]

Administrating and editing of the web created in Wordpress. Programming and sending newsletters.
Creating of graphic content (banners, logos etc.).

2016

Clinic Health and Beauty [HTML, CSS, Javascript, PHP, Photoshop]

Administrating and editing of web created by 3rd company in Joomla. Programming and sending newsletters.
Creating of graphic content (banners, logos etc.).

2014

Restaurant Lipa Cífer [HTML, CSS, Javascript, PHP, Photoshop] - not acutal

My first serious project for real client.
Webdesign + programming. Programing of simple content management system for administration of restaurant menu.
Creating of graphic content for restaurant (banners, posters etc.).