projects
Things that exist and work
i In production MojoDojo
Solo founder · ProductMartial-arts academy management SaaS, in production with roughly 300 users at a real gym.
2024 — todayProduct~300 users GoReactPostgreSQLStripe case study →
ii In production Vivvia
CTO & co-founder · CompanyCRM and management software for real-estate agencies: clients, property portfolio, operations and multi-portal publishing. Built by Vivvia Tech, the company I co-founded.
2025 — todayCompany4 agencies · 15 users GoNext.jsPostgreSQLAuth0 case study →
iii Launched Universo Posteguillo
Creator & development · ProductAn unofficial knowledge hub dedicated to the work of author Santiago Posteguillo (library, characters, timeline, map).
unofficial fan project AstroCloudflare Pages case study →
iv In production Yodidac
Creator & development · ProductRoman-history publishing in four languages: a library (fasti, encyclopaedia, essays), a forum of community games, and an RPG-shaped portfolio. The content brand behind @yodidac (TikTok, YouTube) and @yoodidac (Instagram).
AstroCloudflare Pages visit →
v Launched Roma Aeterna
Creator & development · ProductUnofficial archive of Iban Martín's history podcast: 246 episodes catalogued by series and chronology, an encyclopaedia, and pages for his books.
unofficial fan project AstroCloudflare Pages visit →
vi Launched Personas Cárnicas
Creator & development · ProductUnofficial archive of "Nadie Sabe Nada", the Buenafuente and Berto Romero show on Cadena SER: 537 programmes indexed, a character encyclopaedia, and a search engine.
unofficial fan project AstroCloudflare Pages visit →
vii Launched La Ruina
Creator & development · ProductUnofficial archive of the podcast and live show by Tomàs Fuentes and Ignasi Taltavull: 300+ episodes, tour dates, and the "Don Ruino" leaderboard of repeat guests.
unofficial fan project AstroCloudflare Pages visit →labs · open source
Status labels are honest: nothing at the idea stage is presented as shipped.