John R.
Mid-Level AI Developer
Open to offersNew to PlatformAbout
John Rey L. is an experienced AI Developer and Software Engineer with a background in building AI-powered applications and automated systems across the education and government sectors. At the Department of Education, he developed and maintained AI-integrated front-end web applications for internal government systems, implemented REST APIs, and leveraged Supabase and cloud-based deployments to enhance educational service platforms. At the FEU Institute of Technology, John Rey L. built and deployed GPT-4 powered chatbots using LangChain, Node.js, and MongoDB, supporting over 3,000 users and optimizing information retrieval for university processes. His technical stack spans Linux server administration, AI-assisted development tools, and robust data-driven architectures, supporting real-world digital transformation initiatives.
Experience
TECHNICAL ASSISTANT III (FRONT-END DEVELOPMENT WITH ARTIFICIAL INTELLIGENCE)
Department of EducationCreated and sustained AI-integrated front-end web applications for government systems. Employed modern development tools to incorporate AI-assisted functionalities into educational service platforms. Managed backend-as-a-service database through Supabase, facilitating authentication. Developed and operated REST APIs and Webhooks to automate systems and ensure real-time data processing. Utilized AI coding tools such as OpenAI Codex and Cursor to enhance the development lifecycle and code efficiency. Deployed applications within Linux environments, guaranteeing stability and scalability while aiding digital transformation through administrative process automation with AI technologies.AI Developer
FEU Institute of TechnologyEngineered and executed a GPT-4 powered AI chatbot utilizing LangChain, Node.js, Express, and MongoDB. Integrated vector embeddings and implemented semantic search (RAG) for precise retrieval of university information. Designed REST APIs with role-based access tailored for admin, faculty, and student interactions. Supervised server deployments on Linux (CentOS/Ubuntu) to enhance the performance and availability of AI services. Developed and deployed a chatbot used by over 3,000 individuals, significantly reducing inquiry response time.AI Developer - (INTERN)
FEU Institute of TechnologyCrafted REST APIs employing Node.js and Express.js. Oversaw MongoDB for managing session data and file uploads. Integrated GPT-4 through LangChain to facilitate chatbot memory and vector search functionality.LINUX ADMINISTRATOR (FREELANCE)
Company not specifiedAdministered Ubuntu/Kali systems. Engaged in virtualization using Vmware. Managed AWS CLI, including EC2 and IAM setup.
Skills & Expertise
Education
- Bachelor of Science in Computer Science Specialized in Software EngineerFEU Institute of Technology