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Luis Fernando

Romero Calero

Director of Tech at Skills Union. Cursor Ambassador (Bangkok) and Regional Lead, Southeast Asia. Bangkok / Singapore.

Bangkok / Singapore

Director of Tech at Skills Union and Cursor Ambassador (Bangkok) and Regional Lead, Southeast Asia

Luis Fernando Romero Calero, software engineer and Cursor community lead based in Bangkok, Thailand

Worked in

Recent work

Small tools, open source, and writing.

Authentic Timer
Authentic Timer - Main interface

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
Ubon logo

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.

Janaru banner

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.

Rosemary.js logo

Rosemary.js

A graph-shaped knowledge store for JavaScript: leaves, tags, typed connections, fuzzy and structural search, plus an optional LLM context-building layer.

Clean Serve Substack banner

Clean Serve

A personal publication where I write about prompting strategy, AI coding workflows, and mental clarity for builders.

Luis Fernando Romero Calero presenting Cursor from Zero workshop in Bangkok, Thailand
Cursor Sunday Bangkok with Nick Miller from the Cursor team

Cursor Bangkok

Cursor Ambassador (Bangkok) and Regional Lead, Southeast Asia. I run regular meetups, cafe co-working days, and zero-to-one workshops.

Recent Cursor events in Bangkok

Cursor Sunday Bangkok - March 29, 2026

129 attendees. Q&A with Nick Miller, Senior Engineer at Cursor, hosted at The Decaf.

Cafe Cursor Bangkok: The Decaf - March 14, 2026

141 attendees. Co-working day at The Decaf in Sukhumvit.

Cafe Cursor Bangkok: Sarnies - February 21, 2026

70 attendees. Co-working day hosted at Sarnies.

Cursor from Zero: The Reprise - February 11, 2026

24 attendees. Hands-on workshop at ZeniCHub. Reprise of the sold-out January edition.

Cursor from Zero Bangkok - January 29, 2026

41 attendees. Beginner-friendly workshop at ZeniCHub. Sold out.

Cafe Cursor Bangkok - December 13, 2025

65 attendees. Community meetup at Bubble Humble.

Professional Experience

Where I've worked, in order.

Skills Union logo

Director of Tech

Skills Union

03/2026 - Present · Singapore (Remote)

Working directly with the CEO and Head of Product on projects for academic institutions in Singapore and Bahrain, and a global skills/taxonomy tool. Leading a team of developers and driving digital transformation into advanced AI-driven workflows and technical strategy.

Technologies

Next.jsReactTypeScriptPythonAI/MLAWS

Key Achievements

  • Leading technical strategy across multiple edtech projects
  • Digital transformation into AI-driven workflows
  • Building global skills/taxonomy tool
British Airways logo

Senior Frontend Developer

British Airways

02/2025 - 04/2025 · London, UK

Led UI development for mission-critical fleet management and runway optimization system. Conducted comprehensive UI audits and presented improvements to management.

Technologies

ReactTypeScriptVitePython

Key Achievements

  • Optimized aircraft scheduling and route planning systems
  • Presented UI audits to management with approval
  • Enhanced system efficiency and user experience
Roche (via Garaje de Ideas) logo

Technical Lead (Fullstack)

Roche (via Garaje de Ideas)

03/2024 - 06/2024 · Madrid, Spain

Led the Navify marketplace migration from Angular to Next.js. Delivered PoC as blueprint for migration and coordinated with team members.

Technologies

Next.jsReactTypeScriptTailwind UIFigma

Key Achievements

  • Delivered migration PoC blueprint
  • Coordinated team through agile methodologies
  • Project on track for 2025 release
Nike logo

Solution Architect

Nike

12/2021 - 04/2023 · Hilversum, Netherlands

Enhanced internal supply chain web applications across Asia, EMEA, and North America. Supervised and mentored front-end team members.

Technologies

Vue.jsReactNode.jsJavaAWSSplunk

Key Achievements

  • Successful launch in several Asian countries by July 2022
  • Harmonized UI experiences across EMEA and North America
  • Mentored front-end team members
Booking.com logo

Senior Software Engineer

Booking.com

04/2021 - 10/2021 · Amsterdam, Netherlands

Led migration of partner portal UI from PERL templates to modern Vue.js solution. Conducted reverse engineering of legacy code.

Technologies

PERLVue.jsReactNode.jsJavaAWS

Key Achievements

  • Successfully migrated legacy PERL to Vue.js
  • Contributed to new partner portal release
  • Effective stakeholder communication
Freelance Consultant logo

Senior Frontend Developer

Freelance Consultant

05/2015 - 12/2020 · Remote

Collaborated with major companies across diverse industries including fintech, government, and healthcare.

Technologies

ReactVue.jsNode.jsPythonBlazorNeo4J

Key Achievements

  • Deloitte: Led governmental greenfield project (React, Node.js, Neo4J)
  • ClearBank: Developed greenfield banking platform (Vue.js)
  • Tata/Verizon: Created e-commerce prototypes and Node.js microservices

Beyond Code

Music

Lolo Tof is my solo project. Recordings on Spotify, Apple Music, and Bandcamp.

Lolo Tof album cover

Latest Album

Lolo Tof album cover

Latest EP

Luis Fernando Romero Calero

Let's Connect

Full-time at Skills Union. Open to a small number of advisory and Cursor-training engagements on the side.

Signature

Sawadii krap. Hello from Bangkok, Thailand.

© 2026 Luis Fernando Romero Calero