Dion Kajdomcaj - Portfolio

About Me

Hello! I'm Dion Kajdomcaj

I'm an engineer based in Budapest, Hungary. I focus on creating reliable and efficient backend systems that can handle large-scale operations. Additionally, I specialize in integrating and implementing various machine learning, language, and computer vision models.

Backend

Java Scala Go Python Databases (SQL and NoSQL) System Design

Devops

Docker Kubernetes Cloud Foundry CI/CD pipelines SAP BTP AWS

Machine Learning & Deep Learning

PyTorch scikit-learn Neural Networks CNNs RNNs

Natural Language Processing

NLTK spaCy Hugging Face BERT RoBERTa Text Classification

Computer Vision

OpenCV YOLO Object Detection Image Classification Image Segmentation

Soft Skills

Problem Solving Communication Critical Thinking Time Management Adaptability Collaboration Mentoring

Experience

APR 2024 - Present

Software Engineer

SAP

Successfully developed and deployed a multi-tenant application in Cloud Foundry, supporting over 50 tenants and improving resource utilization by 30%.
Created AI prototypes for data analytics within a forms application, increasing data processing efficiency by 40% and reducing manual analysis time by 50%.
Enhanced security and access control for REST APIs using OAuth2.0 authentication, ensuring secure data transactions for over 30,000 users.
Improved system stability and performance by implementing a rate limiter, reducing API abuse by 80% and maintaining a 99.9% uptime for critical services.
Designed and executed zero-downtime deployment and migration strategies, achieving 98% uptime during 15 major deployments and minimizing user impact.
Played a key role in launching and establishing the product from its initial stages, contributing to a 200% increase in user base within the first year of launch.

Java JavaScript Scala Docker SAP BTP AWS Cloud Foundry

OCT 2022 - APR 2024

Associate Backend Developer

SAP

Maintained and enhanced front-end and back-end features, ensuring optimal performance and user experience.
Conducted thorough investigations to identify the root cause of bugs in customer systems, leading to a 30% reduction in recurring issues.
Improved resolution and delivery time for backend issues by 45%, enhancing overall system reliability and customer satisfaction.

JavaScript Java ABAP MDK MAIF

JAN 2022 - JUNE 2022

Software Developer Intern

SAP

Successfully automated over 50 UI test cases for the SAP Windows MDK project, enhancing test coverage and efficiency.
Maintained and improved the UI automation test framework, reducing test execution time by 30% and increasing reliability by 25%
Developed a Proof of Concept to run the same UI automated tests for the SAP Service and Asset Manager application across 3 different mobile platforms (iOS, Android, Windows), achieving a 85% success rate in test execution consistency.
Automated UI test cases for the SAP Service and Asset Manager mobile application, resulting in a 40% reduction in manual testing efforts and a 20% increase in defect detection rate.
Conducted extensive research and developed a solution to enable cross-platform UI testing, which led to a 50% reduction in duplicated test case development efforts.

JavaScript Java ABAP MDK MAIF

Featured Projects

SAP Dynamic Forms

Cross-platform forms solution that provides a comprehensive platform for creating, managing, and deploying complex web forms.

Java Scala PostgreSQL Redis

SAP Service and Asset Management

SAP Service and Asset Manager is a mobile application designed to streamline the management of assets and service operations. It is part of SAP's suite of solutions aimed at enhancing operational efficiency and sustainability

Java ABAP JavaScript

I can help you with the following

Backend Development

Building robust, scalable, and secure server-side applications with modern technologies and best practices.

API Development
Database Design
System Architecture
Performance Optimization

AI Solutions

Implementing cutting-edge artificial intelligence solutions to solve complex business problems.

Machine Learning Models
Natural Language Processing
Computer Vision
AI Integration

Cloud Architecture

Designing and implementing scalable cloud infrastructure using modern cloud platforms and services.

Cloud Migration
Infrastructure as Code
Microservices Architecture
DevOps Implementation

Get In Touch

Let's talk about your project

I'm always open to discussing new projects, creative ideas or opportunities to be part of your visions.

dion.kajdomcaj@outlook.com

Budapest, Hungary