Jay (Jiale) Yu

Computer Science student and founder passionate about exploring machine learning and hard-tech innovation to tackle real-world societal challenges. Committed to developing technology that benefits people and drives positive change.

See My Projects! Read My Blogs!
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Skills & Tools

Postgres
Postgres
SQL
SQL
Python
Python
Astro
Astro
Java
Java
C++
C++
Git
Git
Spring Boot
Spring Boot
Open CV
Open CV
Mandarin
Mandarin
Hugging Face
Hugging Face
Postgres
Postgres
SQL
SQL
Python
Python
Astro
Astro
Java
Java
C++
C++
Git
Git
Spring Boot
Spring Boot
Open CV
Open CV
Mandarin
Mandarin
Hugging Face
Hugging Face

Backend Development

Building RESTful services with Spring Boot and Python; CRUD APIs, authentication, and data pipelines.

Model Fine-Tuning

Refining open-source LLMs like Mistral with LoRA/QLoRA; optimizing adapters, memory efficiency, and task-specific performance.

Machine Learning & CV

Building ASL recognition models with TensorFlow and MediaPipe; dataset curation, preprocessing, and model deployment.

Robotics & Control

Programming robot autonomy with path planning and vision-based localization.

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Experience

Founder & CEO

LuntraHub by Luntraa, Inc.

2025 Oct. - Present

  • On-demand tutor searching and campus connection platform for students.

Software Engineer Intern

Crcle AI

2025 Sep. - 2025 Nov.

West Lafayette, Indiana

  • Refined large language model (Mistral 7b) with NVIDIA's personas dataset and Axolotl for personaized user context
TypeScriptNode.jsReactPostgreSQLSupabasePythonElectronGit

Team Captain & Software Lead

FIRST Robotics Team 2204

2024-2025 June

Hayward, California

  • Documented programming concepts (encapsulation, abstraction, polymorphism) and Kotlin fundamentals for new team members, designing robotics and software lesson plans for a 3-month training equivalent to a first-semester university course.
  • Coordinated workflow with ~6 programmers using Git and task management to align with the mechanical subteam, designing vision-based robot localization running at 50Hz with a noise-reducing filter for AprilTag detection.
  • Programmed robot autonomous sequences and path planning with 85% accuracy, contributing to winning the East Bay Regional against 52 teams.
JavaKotlinPythonWPILibGit

Math / Mandarin / Programming Teaching Assistant

The Salvation Army

2023 Jan. - Mar.

Oakland, California

  • Assisted teacher by explaining Mandarin, Math, and Python concepts to ~8 students of various ages.
  • Organized and shared lesson plans with 6 teachers and teaching assistants.
  • Liaised between the organization director and ~50 student families regarding school events and classwork.
Excel
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Education

Computer Science B.S.

Purdue University
Graduating: June 2029

Machine Intelligence track with a minor in Biological Sciences.

Algorithms Data Structures Databases Java OOP Programming in C

High School

California Crosspoint High School, Grade: 3.95
Graduated: June 2025

Relevant Coursework: Calculus I, Structured Programming in C++

C++ Programming Problem Solving Written Communication
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