• Architected and implemented a high-performance, scalable business intelligence system using Elixir, GraphQL, and PostgreSQL, enabling seamless data communication across multiple organizations.• Developed an agent-based system using Elixir for running business activities and providing personalized user experiences.• Created core system components including event-driven data processing, data-driven form management, business identity management, and activity state flow management.• Customized activity system for various business processes, including multi-level marketing approval management and IT ticket desk management.• Integrated AI functionality by leveraging local and third-party Large Language Models (LLMs), implementing natural language processing, entity extraction, embedding generation, and data anomaly detection.• Developed an AI-powered anomaly detection system using local LLMs and traditional data science techniques, analyzing 75,000 employment records and identifying 20,000 data entry and classification issues.

• Served as principal architect for a large-scale business policy and approval management system for a New York-based startup, utilizing Elixir and GraphQL to design and implement robust, scalable backend architecture.• Developed a Ruby on Rails-based approval management system as a full-stack developer, ensuring efficient end-to-end workflow management and optimizing user experience.• Created mission-critical integration applications, including a GitHub application powered by Probot for seamless collaboration, MQTT communication systems for real-time data exchange, and SNS/APNS push notification services for enhanced connectivity and responsiveness.• Co-facilitated a 'Maker's Movement' class at Holland Christian High School, inspiring students to embrace innovation and creativity through hands-on learning experiences in technology.

Lead developer for online closet systems. Designing and building custom retail and internal software for web, mobile, and desktop.

Independent software architect customizing in web, ux, and mobile development.