Introduction This whitepaper summarizes a three-week research initiative by interns from BCRV Tech-Voc Inc. in Calapan City, Oriental Mindoro. The project evaluated practical, open-source AI integration across the entire Software Development Lifecycle (SDLC) including planning, architecture, coding, testing, documentation, observability, and Retrieval-Augmented Generation (RAG). Combining technical research with hands-on deployment,