BOOKERLIAO 廖禹誠

廖禹誠YU-CHENG LIAO

AI-native Software Engineer · Founder

AI-native workflowClaude Code · planner, implementer, reviewer

Building L’Outhé in Lisbon

Booker Liao in a dark green suit, seated by a tiled fireplace in Lisbon
Lisboa, Portugal

EXPERIENCE

Founder & Engineer

L’Outhé — Lisbon

2026 – Present

    Co-Founder & Architect

    Owly — Remote

    Aug 2026 – Present

      Independent Engineer

      Appointment alert service — with immigration consultants, Portugal

      Jun 2025 – Present

        Founder

        Fundai — Remote

        Nov 2022 – Present

          iOS App Developer

          Taiwan

          Earlier

          M.Sc.

          National Formosa University — Taiwan

          Education

          Want to talk? EMAIL ME booker.ycliao@gmail.com

          FEATURED WORK

          Eight products, each built end to end by one person — product, code, payments, deploy.

          L’Outhé Commerce platform · Next.js, Flutter, Stripe Public shop, sales CRM, admin dashboard and three Flutter apps, all in one Turborepo monorepo. Live at leouthe.eu.
            leouthe.eu             Fundai Fintech automation · Python, FastAPI Automates Bitfinex USD lending for customers whose assets never leave the exchange. Running since 2022.
              fundaitek.com               Owly Platform rebuild · Next.js, Expo, BNB Chain Fundai rebuilt from the contract up: web and mobile share one generated API, with on-chain forwarders verified on BscScan.
                owly.finance
                Plays by each casino’s real table rules. Rules engine and expected-value solver as standalone Dart packages. Blackjack TraineriOS & Android · Flutter, pure Dart
                  Coming soon
                  Taiwan dividend calendar: ex-dividend dates, watchlists and reminders. App, backend and admin panel. StockCalendariOS & Android · Flutter + backend
                                         A 1:1 scoreboard and shot clock on the App Store, localised in six languages. Basketball TimeriOS · Swift, UIKit
                                             Local-first Eisenhower-matrix task manager. Riverpod, go_router, drift/SQLite, English and Traditional Chinese. TaskQuadrantiOS & Android · Flutter
                        SEF & SIGA Watchers Automation · Python, Selenium, Telegram Alert service run with immigration consultants and relocation partners: bots watch the Portuguese immigration (SEF/AIMA) and SIGA booking sites and push open appointment slots to Telegram the moment they appear.
                          Partner service

                          TOOLBOX

                          AI-NATIVE WORKFLOW

                            EDUCATION & LANGUAGES

                            M.Sc., National Formosa University
                            Taiwan
                            Mandarin Chinese
                            Native
                            English
                            Professional

                            EXPERTISE

                            1. AI-assisted engineering

                            2. Mobile

                            3. Web platforms

                            4. Backend & infrastructure

                            5. Payments & compliance

                            AVAILABLE FOR PROJECTS

                            CONTACT

                            +351 913 216 784booker.ycliao@gmail.com

                            BY THE NUMBERS

                            0products built
                            0Fundai customers
                            0commits on L’Outhé since March 2026