HelenaKosmajac

Artist that codes. Engineer that draws.

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01

About Me!

Who I Am

I’m a Computer Science student at Toronto Metropolitan University who likes building software that feels as good as it works. My background includes industrial automation, full-stack development, and Python tooling, and I enjoy turning ideas into practical systems with a clean user experience.

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
Full-Stack + Design
Top Tracks This Month
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    Stack

    Web & Frontend
    HTML / CSS JavaScript TypeScript React
    Low-Level & Systems
    Assembly Bash / Shell C C++ Rust
    High-Level
    Python Java Lisp Haskell Elixir
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    Projects

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    001 ↗
    Uber Simulation
    Java OOP Systems
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    002 ↗
    Live With Ease
    React FastAPI PostgreSQL Groq API
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    003 ↗
    PlantPal
    Rust CLI REST APIs
    Coming Soon
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    Spendly
    Python Figma
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    Experience

    Apr 2025 — Present Part-time
    Python & Java Instructor
    WizRobotics
    • Taught Python and Java to 20+ students, covering syntax, OOP, data structures, and algorithms.
    • Prepared students for the Canadian Computing Competition and FIRST Robotics Competition through individualized assessments and technical coaching.
    Sept 2025 — Dec 2025 Internship
    Cell Controls Engineering Intern
    Tesla
    • Built automation software in Structured Text and C++ for battery cell manufacturing systems, improving reliability and reducing downtime.
    • Designed and shipped a software-controlled compressed air cleaning system that reduced process contamination by 35% and eliminated recurring machine errors.
    • Built Python tooling for real-time manufacturing analytics used by controls and equipment engineering teams.
    Sep 2024 — Present Part-time
    Vice President
    TMU Serbian Students Association
    • Lead all marketing across Instagram and TikTok, growing the association's online presence to 200+ followers and driving attendance at events, including one that drew 400 attendees and generated $3,000+ in ticket sales.
    • Build and maintain the association's website, managing digital assets and technical infrastructure.
    Apr 2024 — Sep 2024 Freelance
    AI Training, Coding & Mathematics
    DataAnnotationTech
    • Evaluated 1000+ AI-generated coding and mathematics responses using Python and JavaScript, identifying inaccuracies and improving output consistency through structured feedback.
    • Applied programming and NLP fundamentals to evaluate linguistic datasets and improve annotation consistency.
    06

    Contact

    Get in Touch

    Reach out, learn more!

    Open to internships, collaborations, and interesting conversations about code, art, or the overlap between the two.

    Links
    LinkedIn ↗ GitHub ↗