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Calista Ruiz

@calistaruiz

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Computer science student who co-developed a C++ compiler and built a Python fishing game with persistent save data.

United States

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I co-developed a C++ compiler for the custom language RAT25, implementing its lexical analyzer, syntax analyzer, symbol table, and code generation with a teammate.

For HOOKED!, I designed and implemented a 2D top-down fishing game with a three-person team. I built a timing-based fishing minigame with four difficulty tiers and JSON save data that tracks catches between sessions.

I'm studying computer science at California State University, Fullerton, and have used C++, Python, R, C#, C, Java, and SQL in my coursework and projects. At Walgreens, I currently lead shifts and manage weekly scheduling for 20+ employees.

Experience

Work history, roles, and key accomplishments

Current

Shift Lead

Current

Walgreens

Feb 2022 - Present (4 years 8 months)

Led shifts and delegated tasks across a team, keeping daily operations on schedule. Managed weekly scheduling for 20+ employees within a strict labor budget and resolved customer and pharmacy conflicts under time pressure.

Team Leadership Scheduling Inventory Management Customer Service Conflict Resolution Cash Handling Pharmacy Operations Troubleshooting

Education

Degrees, certifications, and relevant coursework

California State University, Fullerton

Bachelor of Computer Science, Computer Science

Grade: 3.5/4.0

Activities and societies: Relevant Coursework: Data Analysis; Software Engineering; Operating Systems; Algorithms; Artificial Intelligence; Data Structures; Game Design; Blockchain Technologies; File Structure & Databases; Cybersecurity Fundamentals

Pursuing a Bachelor of Computer Science with a major in Computer Science, expected to graduate in May 2027. Cumulative GPA is 3.5/4.0.