Dzulfikri Pysal
I build and ship mobile, web, and backend systems, from Flutter field apps to AI agents on WhatsApp. Seven years across agri-tech, enterprise, and compliance, usually as a team of one or two.
Seven years · nine shipped systems · four countries
Current stack
Flutter on the device, Next.js on the web, Go and Node.js behind them, and FastAPI for the AI agents. PostgreSQL, Convex, Docker, and AWS underneath.
- Flutter
- Next.js
- Go
- Node.js
- FastAPI
Experience
- 2025 — nowTech Lead · Amphibia Digital
- 2023 — 2025Full Stack Developer · YM Global Technologies
- 2020 — 2023Flutter Developer · Avarice Teq
- 2019 — 2020Django Web Developer · Salesminded
Selected work
Case studies with the real screens, from a sales-to-cash CRM to a palm oil platform running in four countries.

Platform · 2026
EngageXS CRM
Sales CRM, inventory, invoicing, and double-entry accounting in one platform, covering the full sales-to-cash cycle for SMEs.


AI agent · 2025
AI WhatsApp Booking Agent
An AI agent that handles golf tee-time bookings over WhatsApp, with a human operator confirming slots and payments from a dashboard. Cuts typing per booking from about 25 minutes to under 10.

Field ops · 2025
Palm Oil Platform
Estate management for oil palm: GPS-tagged field capture with offline sync, a Next.js admin with 17 operational reports, and a Go API on SQL Server, one database per estate.

AI agent · 2025
Sigap AI Agent
Self-hosted, embeddable AI support agent that answers from the company's own knowledge base, captures leads, and routes hard questions to a shared team inbox.
- Next.js
- Go
- PostgreSQL
- Redis
- OpenAI API
Open to senior / lead roles · remote or relocating to Singapore
Hiring for a senior or lead role?
I take systems from requirements to production: mobile, web, backend, and AI agents. Tell me about the problem and I will reply within a day on weekdays.