const rizky = {
location: "Batam, Indonesia",
role: "Full-Stack Developer",
focus: ["Enterprise SaaS", "WhatsApp APIs", "Real-Time Systems", "Self-Hosted Solutions"],
flagship: "PulseCast — Enterprise DOOH Platform with SSE Real-Time Sync",
funFact: "I self-host everything I can!",
};- 📡 PulseCast — Enterprise DOOH SaaS Platform with SSE Real-Time Sync, Emergency Override, 6-Tier RBAC & Multi-Tenant White-Labeling
- 📅 NexCal — B2B SaaS Booking System with Multi-Provider RBAC & 3-Layer Anti Double-Booking
- ⚡ VoltBio — Zero-Backend Link-in-Bio Builder with PWA, AES-256 Encryption & Static HTML Export
- 💰 BillKu — Open Source Billing & Receivables Platform with Team RBAC & Recurring Invoices
- 💬 MultiWA — Self-Hosted WhatsApp Business API Gateway with Multi-Engine Architecture
- 🏭 Enterprise automation tools (AMR, Attendance Systems, CSMS)
- Building production-ready, self-hosted solutions
- Making enterprise tools accessible through open source
- Architecting real-time systems that scale
- Sharing knowledge through documentation
Multi-Tenant SaaS | SSE Real-Time Sync | Emergency Override | 6-Tier RBAC
A production-ready command center for digital signage at scale. Manage hundreds of TV screens across multiple tenants with real-time playlist sync via SSE, one-click emergency broadcast override, approval workflows, PoP analytics, multi-zone layouts, and white-label branding — all from a single dashboard. Docker-ready, self-hosted.
100% Client-Side | PWA Ready | Static HTML Export
The most powerful zero-backend link-in-bio builder. Design visually with a live editor, export as self-contained static HTML + PWA. Features AES-256 link encryption, QRIS donations, portfolio grid, FAQ accordion, real-time search — all with zero server, zero database, zero cost.
B2B SaaS Architecture | Multi-Provider RBAC | WhatsApp Reminders | Google Calendar Sync
A free, open-source Calendly alternative built for teams — clinics with multiple doctors, salons with many stylists. Features an RBAC system (OWNER/STAFF roles), 5-step provider-aware booking wizard, staff management, and a 3-Layer Anti Double-Booking engine. Self-hosted, Docker-ready, zero subscription fees.
Full-Stack | Self-Hosted | Docker-Ready
Open-source billing platform for SMEs. Invoice management, CRM, POS, team RBAC, recurring invoices, and WhatsApp reminders.
Open Source | Multi-Engine | Self-Hosted
A powerful, self-hosted WhatsApp Business API Gateway built with NestJS and Next.js. Multi-device support, auto-reconnect, group management, and webhook integration.
