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Luis Fernando Romero Calero

Engineering Lead between customers and engineering teams. I run the Cursor community across ASEAN (SpaceXAI).

Bangkok, Thailand | luisfer.romero.calero@gmail.com
lfrc.me | github.com/luisfer | linkedin.com/in/luisfer-romero-calero

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Profile

Fifteen years building software and leading the people who build it, in small startups with nothing but an idea and in giants like Nike, Booking.com, British Airways and Roche. Most of it between the business and the engineers: turning what a customer wants into scope, milestones and an interface they will actually open. I still ship code every day. Started the Cursor community in Bangkok and now run the chapters across ASEAN (SpaceXAI).

Experience

Cursor Community (SpaceXAI)Nov 2025 to present

ASEAN Regional Lead. Shared with Agrim Singh and Sherry Jiang.

  • Started the Thailand chapter from zero and ran nine events across Bangkok and Phnom Penh (Cursor from Zero, Cafe Cursor, Cursor Sunday), averaging over 100 attendees.
  • Senior engineers and engineering managers from Europe and Asia picked up Cursor after attending, and took it into their own teams.
  • Built cursorthailand.com, now the Evergreen boilerplate used by 20 country chapters.
  • Support neighbouring chapters, including Cambodia and Myanmar, on format and first events.
Independent consultingNov 2025 to present

Engineering lead and AI adoption. Own company, incorporated in Singapore.

  • Overlab, on DoneQuote. Netherlands, Aug 2026 to present. Engineering lead on an AI quoting product, across foundations, user experience and full-stack work.
  • Dripdrop. Sweden, Jan 2026 to Jul 2026. Built a station-management application for a water operator covering documents, maintenance, revision approvals and Zeus SCADA, on Next.js, TypeScript and Supabase.
  • Skills Union. Singapore, Mar 2026 to Jun 2026. Technical Lead. Built the NTU learning platform covering students, teachers and coaches across classes, assignments and progress, plus a global skills taxonomy tool.
  • Superagent. Singapore, Nov 2025 to Feb 2026. Technical Lead. Rebuilt an AI rental-matching brokerage end to end, frontend, backend and database, and owned the product decisions including branding and the full user experience. The site is live.
British AirwaysJan 2025 to Apr 2025

Full-stack Development Consultant. London, remote.

  • Led the frontend on a fleet-management application for aircraft scheduling and runway optimisation, in React and TypeScript.
  • Ran interface audits with the business stakeholders and got the recommended changes approved and shipped.
  • Left to relocate to Asia.
Garaje de Ideas and RocheMar 2024 to Jun 2024

Tech Lead. Madrid and Basel, remote.

  • Wrote the proof of concept for moving the Navify marketplace from Angular to Next.js. The team built the migration from it.
NikeDec 2021 to Apr 2023

Solution Architect, Marketplace and Automation. Hilversum, Netherlands. Joined through Cognizant, then full-time.

  • Led a full-stack team on white-label storefronts for sports retail vendors and on internal supply-chain applications. Shipped to five Asian countries in 2022.
  • Scoped pre-release requirements coming from headquarters in Oregon against what the European teams could actually deliver, and said no to what would not fit.
  • Harmonised the interface across EMEA and North America.
Cognizant BeneluxJan 2021 to Feb 2022

Senior Software Engineer. Amsterdam. Clients: Booking.com and Nike.

  • At Booking.com, Mar 2021 to Oct 2021. Built the financial portal for invoicing and accounting.
  • Brought new developers into the team and mentored them, and ran workshops across the account.
Contract engineeringMay 2015 to Dec 2020

Senior frontend and full-stack. Remote, clients in the UK, Germany and Australia.

  • Deloitte, London. Led the frontend on a government data import and export tool. React, Node.js, Neo4j.
  • ClearBank, London. Built the platform frontend in Vue.js for a new UK clearing bank.
  • Cision and Prime Research, Mainz. Led the frontend on media-intelligence charting, in React.
  • Other engagements with McKinsey and Accenture, and with Tata, Doctorly, Burnet Institute, Foodspring, HeavenHR, Modomoto and Nowtilus.
Berlin startupsSep 2012 to Apr 2015

First engineering roles.

  • azeti. Aug 2013 to Apr 2015. Software Developer at an IoT startup working in close partnership with Cisco. Built the Social Sensor Cloud for sensor data and the Azeti Lab Android app.
  • Suitepad. Sep 2012 to Aug 2013. Founding engineer, second on the team. Four people when I joined, over 25 and clients in 15 countries when I left.

Selected projects 2024 to 2026

Cursor Thailand
cursorthailand.com

I built it myself. Twenty country chapters now use that template.

Authentic Timer
authentictimer.com

Focus timer on Next.js, React, Supabase and Tailwind. Built with Cursor while severely visually impaired, from design through to deploy. Hundreds of users a month.

Ubon
npmjs.com/package/ubon

Scanner for React, Next.js, Vue and Python projects: hardcoded secrets, broken links, risky eval patterns, accessibility misses and dependency holes.

Janaru. github.com/luisfer/janaru. Save-game system for AI coding sessions, so a later session resumes without a full re-explanation.

mesen. github.com/luisfer/mesen. Split-screen journal that rewrites an entry through literary voices and returns prose plus one question.

Skills

Tooling. Cursor and Claude Code daily. Agent harness design, rules and skills files, context that survives a session restart. Claude and OpenAI APIs.

Stack. TypeScript and Python. React and Next.js most days, Vue and Svelte when I get to choose. Postgres, Supabase, AWS, Docker, Vercel. Playwright for tests. Accessibility to WCAG and ARIA.

Languages and education

Spanish (native). English (fluent). German (basic). Dutch (basic). Thai (learning).

Studied Ingeniería Informática Superior at Universidad de Sevilla, 2004 to 2011.