Helena Kosmajac

About Me!

Who I Am

Growing up between music conservatories and my desktop computer, I learned early that precision and expression come from the same drive!

I pursue computer science with a passion in creating systems designed for longevity, without compromising creativity.

Quick Facts

Currently

3rd Year, Computer Science

University

Toronto Metropolitan University

Focus

Systems + Design

Apr 2025 — Present Part-time

Python & Java Instructor

WizRobotics

Prepared students with the technical programming skills necessary to compete in the Canadian Computing Competition (CCC) and First Robotics Competition (FRC).
Taught various programming curriculums, from basic syntax up to advanced concepts such as OOP, Data Structures, and Algorithms.
Created interactive code-alongs and personalized tests, adapting to each student's preferred learning style.

Sept 2025 — Dec 2025 Internship

Cell Manufacturing Controls Engineer

Tesla

Independently designed and implemented control solutions including a compressed air cleaning system that reduced process contamination by 35%.
Designed and optimized control systems using Structured Text, Python, and C++, increasing automation reliability.
Developed software tools to monitor manufacturing data in a cutting-edge environment.

Apr 2024 — Sept 2024 Freelance

AI Trainer — Coding & Mathematics

DataAnnotationTech

Enhanced AI chatbot performance achieving a 25% improvement in NLP accuracy through detailed feedback and iterative problem-solving.
Applied CS fundamentals to analyze linguistic datasets, reducing error rates by 18% through high-quality annotations.
Collaborated with AI teams to implement feedback loops across C++ and Java.