AI-Driven Systems Engineer and Unity Developer

Jonathan Santosa

***************@*****.*** 925-***-**** linkedin.com/in/jonathan-santosa/ github.com/jonathansantosa http://jonathan.santosa.com WORK EXPERIENCE

ZL Tech System Analyst/Software Engineer Milpitas, CA Jun 2025 - Present

●Designed and built an AI-driven document tagging system to classify documents by category and metadata.

●Implemented and compared multiple NLP and ML approaches, including DistilBERT, ModernBERT, Bag-of-Words, and SVM, to optimize classification accuracy.

●Accelerated experimentation and training workflows using Databricks, Weights & Biases, and Optuna for hyperparameter optimization and experiment tracking.

●Evaluated model performance using precision, recall, and F1-score metrics, achieving strong and reliable classification results.

●Designed and implemented a regex-driven tagging engine to compare deterministic lexical results against AI-based document classification models

Santa Clara University Unity Developer Santa Clara, CA Jun 2022 - Jun 2025

●Generated and integrated 3D game assets using Meshy.AI to streamline content creation.

●Developed enemy wave systems with increasingly complex behaviors and movement patterns.

●Improved development efficiency by leveraging AI-assisted coding tools (Cursor) for scripting and debugging.

●Leverage Quest Pro 3 hardware and integrate the ReadyPlayerMe API.

●Collaborated with San Jose State University Lucas College of Business to develop a VR build using HP Omnicept and C# to enhance user experience with advanced sensory feedback.

●Developed an interactive space in Blender for users to express emotions, integrating it into VR and AR experiences using Unity plug-ins.

Cadent Backend Engineer Intern San Jose, CA Jun 2024 - Aug 2024

●Developed an advanced AI-powered search engine for internal engineering teams using OpenAI API and ElasticSearch, enhancing search capabilities with sorting, filtering, and aggregation.

●Collaborated with front-end teams to integrate ElasticSearch with a Angular JS-based UI, ensuring seamless search functionalities.

●Developed and integrated multi-step interactive prompts using OpenAI models (GPT-3.5-turbo and GPT-4.0), leveraging prompt engineering to enhance user experience. FlyHigh Group, Inc. Unity Developer Santa Clara, CA Apr 2022 - Dec 2023

●Developed a Unity-based application using C# to connect companies and job seekers in an interactive 3D space, integrating Google’s Text-To-Speech API to guide users through various locations. TECHNICAL SKILLS

Programming: C#, Python, Java, C++, Javascript, CSS, SQL, React, Docker, Angular, Swagger Game Engines: Unity, Unreal Engine 4 & 5, Blender, Maya, MIT Scratch Version Control: GitHub, PlasticSCM Content Creations: IMovie, Final Cut Pro, Spatial.io API: ChatGPT, Google Text-speech, ReadyPlayerMe EDUCATION & ACCOMPLISHMENTS

Education: B.S. Computer Science and Engineering, Magna Cum Laude, Santa Clara University Awards: Won First Place 2022 Hack for Humanity and Won First PLace 2021 SCU Winter Challenge Certification: Google Prompting Essentials Credential ID EBJ5LMOVBFRC.

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