Software Engineering Lab

Curated collection of programming exercises, algorithms, and mini-projects.

Author: Andrey Quesada | Software Engineer | Full-Stack Development & AI Workflows

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Contents

Data Structures (algorithms/data-structures/)

• Stack, Queue, Deque implementations
• Binary Tree with traversals
• Practical applications

Algorithms (algorithms/sorting/)

• Big-O complexity analysis
• Sorting algorithms (bubble, selection, insertion, merge, quicksort)
• Performance comparisons

SQL Practice (backend/sql/)

• Queries and joins
• Aggregations
• Database design patterns

Finance Tracker (projects/finance-tracker/)

Complete Python GUI application with:

• OOP design
• CSV persistence
• Input validation
• Unit testing

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Structure

software-engineering-lab/
├── python-fundamentals/    # OOP exercises
├── algorithms/
│   ├── data-structures/
│   └── sorting/
├── backend/
│   └── sql/
└── projects/
    └── finance-tracker/

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Quick Start

# Data structures
cd algorithms/data-structures
python ejercicio1_Stack.py

# Algorithms
cd algorithms/sorting
python ejercicioOrdenamiento_1.py

# Finance Tracker
cd projects/finance-tracker
pip install FreeSimpleGUI pytest
python finance_tracker.py

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What This Demonstrates

• Computer science fundamentals
• Data structures from scratch
• Algorithm analysis
• SQL proficiency
• Complete GUI application development
• Production-quality patterns

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GitHub: andreyques41/software-engineering-lab