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Developed for the VO Festival 2026 National Web Development Competition (UNTAR), securing 5th place. As the Backend Engineer, Proposal Writer, and presenter, I engineered the Express and Supabase backend and built a CO2 impact calculator grounded in EPA and Bappenas emission factors. I authored the full project proposal and pitched to the panel of judges, bridging real-world environmental impact with dependable, user-centric engineering.





