Petrus Anthony Chaim
Bridging the Gap Between Mechanical Design and Modern Software Engineering.
My Technical Journey
Committed to continuous improvement as a developer
Diving into AI model fundamentals and automation, exploring large language models and local deployment strategies.
Exploring workflow automation and self-hosting solutions for robust, scalable, and cost-effective application deployment.
Deepened expertise in full-stack development, focusing on a scalable database, containerization, and advanced authentication for production-ready applications.
Mastered modern frontend frameworks and state management, while building robust backend services and integrating with cloud platforms.
Built a strong foundation in server-side development, understanding asynchronous programming, database management, and API creation.
Started the journey into software development, focusing on core web technologies and version control.
Featured Projects
A selection of projects that showcase my skills and passion.

This project is a web application that takes a PDF of a financial report (in Indonesian or English), extracts key information, and summarizes it into a concise, professional investment memo. It uses a hybrid approach, performing initial, fast summarization locally with Ollama and polishing the final output with a powerful cloud model from IBM watsonx.ai.

Donasiin turns everyday items into meaningful connections. Our platform makes it effortless for generous donors to match with people in need.no middlemen, no waste. By giving your pre-loved belongings a second life. you’re not just decluttering, you’re building community and championing a greener tomorrow.

Corazon is your one-stop online marketplace, offering a wide selection of high-quality products at unbeatable prices. From cutting-edge hardware and electronics to everyday essentials, Corazon makes shopping simple, reliable, and rewarding. With exclusive deals, a personalized wishlist, and fast delivery, we bring convenience and value straight to your fingertips. Discover amazing discounts, explore featured categories, and shop with confidence knowing that Corazon is built to give you the best online shopping experience — all in one place.

Konohahon is a social media app built with React Native and powered by Redis for fast, real-time interactions. Designed for the Konoha Village community, it offers a familiar networking experience where users can create profiles, share updates, connect with friends, and engage in discussions. By combining modern technology with a community-driven focus, Konohahon delivers a smooth, secure, and engaging social platform.

Options is a modern real-time polling platform built with Socket.IO, designed to make audience interaction seamless, fast, and engaging. Users can create and participate in polls instantly, with results updating live across all devices. What sets Options apart is its AI-powered poll generation. By simply entering a subject, the system can intelligently suggest and generate relevant polling questions and options, making it easier than ever to spark discussions, gather opinions, and capture insights on any topic. Whether it’s for classrooms, events, communities, or teams, Options combines real-time collaboration with AI innovation to deliver a smarter, more interactive polling experience.

PortoPrism is an AI-enhanced stock trading and portfolio management platform designed to help investors make smarter, data-driven decisions. Users can track their investments in real time with detailed portfolio analysis, monitoring capital growth, buy/sell history, and unrealized gains or losses. What makes PortoPrism unique is its AI-powered news integration. The system automatically generates and curates financial news based on the top-performing stock in each user’s portfolio, ensuring that traders receive the most relevant market insights at the right time. By combining portfolio analytics with intelligent news delivery, PortoPrism empowers investors to stay informed, react faster, and trade with confidence.

Gotring is a smart food-ordering web application that makes weekly catering simple, personalized, and hassle-free. Instead of manually planning meals, users can order dishes from multiple partner merchants and let Gotring automatically generate a catering plan tailored to their dietary needs, preferences, and restrictions. With Gotring, you can: Explore a variety of menus from trusted food merchants. Set personal preferences (such as avoiding certain ingredients or diets). Automatically receive a weekly catering schedule with curated recommendations. By combining convenience with personalization, Gotring helps users save time, enjoy diverse meals, and stay consistent with their lifestyle choices — whether for health, convenience, or variety.