Jorge Lillo Cobacho

📌 Android apps

🎄 Is it Christmas yet? Countdown

Days, hours and sleeps until Christmas, with an advent calendar, a widget and carols. No ads, no tracking.

Google Play Privacy policy

🎡 What next? Decision Wheel

Spin to decide where to eat or what to do. Avoids recent repeats, with group vetoes and history. No ads, no tracking.

Google Play Privacy policy

🕵️ Who's lying? Impostor game

The impostor word game for groups on one phone: three modes, drawing mode and 21 free packs. No ads, no tracking.

Coming soon to Google Play Privacy policy

🗳️ What do you vote? Group polls

Quick two-answer polls: private for your group or public for everyone, and guess what the majority will vote. No accounts, no ads.

Coming soon to Google Play Privacy policy

👑 Last one standing? Tournaments

Tournaments among friends, for cards, ping-pong or anything: knockout or Swiss, two-sided bracket, history and hall of fame. Moves to another phone with a QR code, no accounts or servers.

Coming soon to Google Play Privacy policy

📌 Webs and bots

Be Water

Open catalog of Spain's bottled waters: composition, origin, similar waters, and label photos that an AI reads and fills in.

Open Code

Biwenger Tools

Everything about our Biwenger fantasy league: announcements, hall of fame, market, activity and gossip, plus a Telegram bot that analyses the team and bids by itself.

Open Code

Chuck Norris Bot

Telegram bot with Chuck Norris facts. Born in 2015 on Node and Heroku; brought back in 2026 on Cloud Run.

Open Code

About

I lead the backend chapter modernizing Orange Spain's legacy: applications and Oracle databases on their way to the cloud (OCI, GCP).

How I work: get right into the guts of the legacy (data model, permissions, queries) so it can be moved safely.

• Team leadership
• Software architecture
• Oracle Cloud (OCI)
• Google Cloud
• Oracle Database
• Java
• C++
• Claude Code

Experience

1. Orange Spain
   Sep 2026 – present · Pozuelo de Alarcón · Hybrid
   Backend Chapter Lead · Legacy Modernization

   • Same role after MasOrange joined the Orange Group.
2. MASORANGE
   Mar 2024 – Sep 2026 · Pozuelo de Alarcón · Hybrid
   Backend Chapter Lead · Legacy Modernization

   • Same role after the merger of Grupo MASMOVIL and Orange Spain.
   • Since Dec 2024 the chapter also owns the Oracle databases: data model, on-call (Opsgenie), permission cleanup and query optimization.
   • Leading the DBA team through the migrations to OCI.
   • Main C++ CRM: database migrated from on-premise Oracle to OCI, application on GCP, base images on Rocky Linux (from CentOS 7) and cron jobs moved from Kubernetes to an OCI VM.
3. Grupo MASMOVIL
   Jan 2020 – Mar 2024 · Alcobendas
   Backend Chapter Lead · Legacy Modernization (Sep 2022 – Mar 2024)

   • Leading the chapter: growing the team, making in-house engineers autonomous and coordinating across areas to unblock the department.
   Software engineer (Jan 2020 – Sep 2022)

   • Microservices in Node.js and later Java with Vert.x, using Cadence for business workflows and Kafka for messaging.
   • Owner of the company's C++ CRM (also on Kafka): good practices, cleaning up a legacy codebase and migrating the application to GCP and the on-premise Oracle database, together with external teams.
4. BQ
   Jun 2014 – Dec 2019 · Las Rozas / Alcobendas
   Consultant at Grupo MASMOVIL (Jun 2018 – Dec 2019)

   • BQ team seconded to Grupo MASMOVIL until joining it as staff. Java microservices with Spring WebFlux.
   Salesforce Team Leader (Nov 2016 – Jun 2018)

   • Adapting Salesforce sales flows and portals to the business and integrating them with internal systems, including APIs in Go.
   Software developer (Jun 2014 – Nov 2016)

   • Grails: internal system to manage mobile devices and OTA updates. Later, Salesforce development.
5. Innovae
   Jul 2012 – Jun 2014 · Madrid
   Software developer

   • Consulting: multi-platform development (Android, iOS, Java/Spring Boot, PHP, ASP.NET).
   • Pre-sales: proposals, client relationships and quotes.

Projects

Archive (university projects and early work):

• Top Games and Top Games Mobile: master's thesis, web app plus a hybrid Ionic app (UPM, 2015).
• SuperMarket: bachelor's thesis in Java (UAH, 2013).
• At Innovae: apps for El Mundo newspaper promotions (Android), iOncor (iOS/Android), patient management for an acute pain unit (iPad) and client websites.

Education