Home / Hire a developer / Facebook Messenger chatbot
Jonald Penpillo, a developer in the Philippines, builds Facebook Messenger chatbots that answer customers in English, Tagalog, Taglish or Bisaya and can take them from a question to a confirmed, paid booking inside the chat. His Range AI does this for a live sports venue.
Proof, not promises
Booking and payments platform for a 30-bay golf driving range, pickleball courts and a kids playground, with a five-step booking flow, live bay availability and PayMongo checkout. Range AI answers guests on the website and Facebook Messenger and takes them from a question to a paid booking; accuracy on real guest messages rose from 55% to 71%.
Stack: React 19, TypeScript, Express 5, Supabase, PayMongo, Python, scikit-learn, Gemini, Messenger API
Jonald Penpillo is a software developer and AI engineer in General Santos City, Philippines, and Software Development Supervisor at Brigada Group, where he leads a team of six developers. He has shipped 15 projects, including three production AI systems in 2026, and received the Innovation Award at Top Executive Congress 2025. He works remotely with clients worldwide. Résumé · All projects · LinkedIn · GitHub
Yes. Range AI offers live slot choices, a quote and waiver, then a pay-now button that completes the booking through PayMongo.
Yes. Jonald is based in General Santos City, Philippines, and works remotely with clients worldwide, in English, Filipino or Cebuano.
Send a short description of the system you need through the project form at https://www.penpillo-jonald.online/?view=deploy or email jonaldpenpillo@gmail.com. Jonald replies with questions about your workflow, then a proposed scope and plan.