Hi, I am

Kristína Oltmanová

Kristína Oltmanová - Full Stack Developer & Solution Architect

CEO & Solution Architect at OltisTech

Full Stack Developer & Technology Consultant

Recent Projects

A selection of products and systems we’ve designed, developed, and delivered for clients across many industries.

Web App

KvaPay

KvaPay project showcase

KvaPay is a cryptocurrency exchange and payment portal built with a strong focus on compliance, reliability, and scalability. It features complex onboarding workflows with regulatory oversight, robust queue-based transaction processing, and full integration with crypto and fiat systems.

  • Regulatory-Compliant Onboarding
  • Core Payment & Crypto Integration
  • Queue-Based Transaction Processing
  • Scalable Microservice Architecture
  • Secure MongoDB Data Layer
  • Real-Time Dashboard & Monitoring
  • Node.js
  • Vue.js
  • MongoDB
  • RabbitMQ
  • Kubernetes
  • Docker
Web App

ATM.biz

ATM.biz project showcase

Online Web App that provides Streamlined Crypto Cashouts: Find ATM, Transfer Crypto, Withdraw Cash

  • Quick & Straightforward onboarding process
  • ATM Operators Integration
  • Google Maps Integration
  • Scalable Microservice Architecture
  • Secure MongoDB Data Layer
  • Geo-Clustering optimizations for faster loading times
  • Node.js
  • Vue.js
  • MongoDB
  • RabbitMQ
  • Kubernetes
  • Docker
Data Analysis

Allianz | Property Database Centralization

Allianz | Property Database Centralization project showcase

Conducted advanced data analysis and system modeling for the centralization of property management data within the insurance sector. Focused on improving query performance, schema design, and standardized reporting structures.

  • Data Modeling & Normalization
  • Complex SQL Query Optimization
  • UML & ER Diagram Design
  • Reporting & KPI Automation
  • SQL
  • UML
  • Data Modeling Tools
Internal Project
Full Stack Tool

Veolia | European Energy Market Trading Automation

Veolia | European Energy Market Trading Automation project showcase

Developed a full-stack internal application for real-time energy trading automation across European markets. The system enables fast data ingestion, live analytics, and automated trading operations.

  • Real-Time Data Processing
  • Automated Trade Execution
  • Queue-Based Event Handling
  • Secure Multi-User Access
  • Admin & Analytics Dashboards
  • Node.js
  • Vue.js
  • MongoDB
  • RabbitMQ
Proprietary Internal Software
Industrial Automation

Kia Automotive | Automated Car Parts Tracking System

Kia Automotive | Automated Car Parts Tracking System project showcase

Engineered a production-line system for automated car part scanning and tracking used in Kia's factory. The solution integrates with low-level hardware scanners via TCP, synchronizes data with production servers, and ensures real-time timestamping of each part.

  • Real-Time Hardware Integration (TCP)
  • Automated Part Tracking & Logging
  • Factory Workflow Integration
  • Data Synchronization & Monitoring
  • Windows
  • Python
  • MySQL
  • Vue.js
Proprietary Internal Software
Web App

CryptoMagicBot

CryptoMagicBot project showcase

CryptoMagicBot was a crypto copy-trading platform allowing users to purchase and mirror trading bots integrated with Binance. It featured automated trade replication, user subscription management, and analytics dashboards.

  • Copy-Trading Automation
  • Binance API Integration
  • Bot Marketplace
  • User Subscriptions & Analytics
  • Node.js
  • Vue.js
  • MongoDB
Deprecated Project

Kristína Oltmanová | Experience

Delivering Results: A Tech Professional's Journey

OltisTech

February 2025 - Present

CEO & Solution Architect

Leading technical direction and architecture for modern web and automation solutions

Overseeing product strategy and development roadmap

Designing scalable infrastructure and system architecture

Managing development teams and technical resources

Driving innovation in web technologies and integrations

KvaPay

September 2023 - February 2025

Senior Full Stack Developer

Developed scalable financial and crypto-related web applications

Built robust backend systems using Node.js and MongoDB

Created responsive frontend interfaces with Vue.js

Implemented queue-based transaction processing with RabbitMQ

Deployed and managed applications using Kubernetes and Docker

Ensured regulatory compliance in financial and crypto systems

Aceqes

June 2023 - November 2023

Medior Full Stack Developer

Contributed to multiple projects across fintech and industrial automation sectors

ATM.biz – Developed crypto ATM map and management tool

Kia Automobiles – Built factory automation platform with real-time hardware integration

CryptoMagicBot – Created automated crypto trading tool with Binance API integration

Worked with cross-functional teams to deliver production-ready solutions

Freelancer

April 2020 - June 2023

Full Stack Developer & Consultant

Developed custom automation tools and web applications

Built and maintained WordPress websites for various clients

Provided web administration and technical support services

Created logo designs and UX/UI mockups

Offered IT/OT consulting services for industrial clients

Conducted technical tutoring and training sessions

Brno University of Technology

2018 - 2023

Masters Degree in Information Technology & Artificial Intelligence

Specialization in Cybersecurity

Advanced studies in information technology and AI systems

Focused on security protocols and threat mitigation strategies

Completed research projects in cybersecurity applications

Skills

The tools we use to build our products

JavaScript skill logo

95%

JavaScript

TypeScript skill logo

92%

TypeScript

Python skill logo

88%

Python

React skill logo

90%

React

Vue.js skill logo

90%

Vue.js

Next.js skill logo

88%

Next.js

Node.js skill logo

95%

Node.js

Express skill logo

90%

Express

MongoDB skill logo

92%

MongoDB

MySQL skill logo

85%

MySQL

Docker skill logo

85%

Docker

Kubernetes skill logo

80%

Kubernetes

RabbitMQ skill logo

85%

RabbitMQ

Git skill logo

90%

Git