Janaru
A save-game system for AI coding sessions. Trigger words like savegame, loadgame, and shipit write small journal files the next session reads, so you don't re-explain context to your agent every time you sit down.
Luis Fernando
Romero Calero
I build products, communities and creative projects.
Cursor Regional Lead for South East Asia. Workshops and events.
Worked in
Recent work
Small tools, open source, and writing.
Authentic Timer
Authentic Timer
In November 2024, while enduring a sickness that limited my daily quality of life, I needed a clean, uncluttered timer that felt safe.
A year later, after collecting feedback and studying productivity, the nervous system, and ADHD, it became something I was proud to share.
React, Next.js, Supabase, TypeScript
A few hundred people use it most weeks. No marketing.
Inspired by Atomic Habits and Four Thousand Weeks
mesen
Split-screen journal app: pick a literary voice, write your day, and get back transformed prose plus one reflective question. Astro, BYOK for Anthropic, OpenAI, or Cursor.
Ubon
A pragmatic scanner for React/Next.js, Vue, and Python projects. It complements your linter by catching hardcoded API keys, broken links and assets, risky eval patterns, basic accessibility misses, and dependency vulnerabilities.
Clean Serve
A personal publication where I write about prompting strategy and AI coding workflows.
Rosemary.js
A graph-shaped knowledge store for JavaScript: leaves, tags, typed connections, fuzzy and structural search, plus an optional LLM context-building layer.
Beyond code
Music
Lolo Tof is my solo project. Recordings on Spotify, Apple Music, and Bandcamp.
Latest Album
Latest EP
Cursor Southeast Asia
Cursor Ambassador (Bangkok) and Regional Lead, Southeast Asia. Community events in Bangkok and Phnom Penh so far, with the role covering the wider region. Meetups, cafe co-working days, and hands-on workshops on AI-assisted development.
Selected experience
Recent roles. Full history on the CV.
Cursor Ambassador (Bangkok) and Regional Lead, Southeast Asia
Cursor · November 2025 - Present · Bangkok, Thailand / Southeast Asia
Cursor Regional Lead for Southeast Asia.
Independent Consultant
Fractional Tech Leadership & AI Advisory · 2025 - Present · Remote
Fractional technical leadership and AI-assisted development for several companies, 2025 to 2026.
Solution Architect
Nike · December 2021 - April 2023 · Hilversum, Netherlands
Solution architect for internal supply chain web apps.
Senior Frontend Developer
British Airways · January 2025 - April 2025 · London, UK (Remote)
Frontend lead on a fleet management app for aircraft scheduling and runway optimization.
Contact
Open to workshops, advisory, and consulting. Based in Bangkok.