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  • Joined Mar 14, 2026

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Juan-David-Lopez-Arce/README.md

Hi, I'm Juan 👋

Software Engineering student at the University of Sydney (WAM: 87) Interested in Backend, Systems, and Software Engineering Internships

About Me

I focus on building high-performance backend systems, with experience in concurrency, memory-efficient data structures, and low-level C programming.

  • Dean’s List of Excellence (2024)
  • Top 3% in Systems Programming (25/850 students)

Tech Stack

  • Languages: C, Python, Java, SQL
  • Core Areas: Systems Programming, Concurrency, Data Structures & Algorithms, Backend Development, Machine Learning

Projects

Concurrent Client–Server Text Editor (C, Unix)

Multi-client text editor backend supporting concurrent edits.

  • Synchronisation to prevent race conditions
  • IPC using Unix pipes
  • Consistent shared state across clients

High Performance Audio Editor Backend (C)

Memory-efficient backend for audio track manipulation.

  • Custom data structures with zero-copy segment reuse
  • Optimised memory usage and performance

Machine Learning Pipeline (Python)

End-to-end ML pipeline for medical prediction.

  • Feature engineering and hyperparameter tuning
  • Achieved >90% F1 and precision

What I'm Looking For

Backend / Software Engineering internships where I can work on:

  • Scalable systems
  • Performance-critical applications
  • Real-world engineering challenges

Contact

Pinned Loading

  1. client-server-text-editor client-server-text-editor Public

    A concurrent, multi-client text editor built in C that allows multiple users to edit a shared document in real time.

    C

  2. heart-disease-ml-comparison heart-disease-ml-comparison Public

    This repository contains a project that explores classification models on a heart disease dataset. The notebooks implement preprocessing, feature engineering, and several classification algorithms …

    Jupyter Notebook

  3. high-performance-audio-editor high-performance-audio-editor Public

    This project implements the backend of a high-performance audio editor in C, focusing on efficient memory management and scalable manipulation of audio data. The system supports core track operatio…

    C