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Jonald Penpillo is a full-stack software developer and AI engineer in the Philippines who builds complete business systems end to end: booking and payment platforms, travel platforms, learning and performance systems, mobile apps, internal tools and AI assistants. He leads a team of six developers and works remotely with clients worldwide.
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
The Delightful Philippines storefront: flights end to end (search, add-ons, payment, void, reissue, refund), hotel prices locked server-side with supplier failover, and an operations console with revenue, refunds, markup rules, coupons and an audit log.
Stack: React 19, TypeScript, Express, Supabase, PayMongo, AWS S3
A company LMS: module builder with video, captions, quizzes and weighted rubrics; learning paths and recertification; an evaluation queue; certificates with a public verification page; Microsoft single sign-on and offline progress sync.
Stack: React 19, TypeScript, Express 5, Supabase, AWS S3, MSAL
A phone-first app for transport, guide and accommodation suppliers: today’s trips, an on-trip safety card with SOS and live location, services and availability, and payouts after commission.
Stack: Expo, React Native, TypeScript, Express 5, Supabase, PayMongo
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. Jonald builds systems end to end, from workflow review and design to deployment and handover. He has shipped 15 projects, including booking and payment platforms, an online travel agency, a learning management system, a performance management system, mobile apps and three AI systems.
Most business systems combine the same parts: users and roles, records and workflows, payments, notifications, reports and integrations. Describe yours at https://www.penpillo-jonald.online/?view=deploy and Jonald will say honestly whether it is a fit.
Yes. Jonald is based in General Santos City, Philippines, and works remotely with clients worldwide, in English, Filipino or Cebuano.
Yes. Every project ends with documentation, deployment and monitoring set up, and a handover session, so your team can run, change and extend the system.
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.