About Alejandro
English
Fluent
Spanish
Native or bilingual
Experience
- ControlProduct EngineerNovember 2024 - Today (1 year and 7 months)Built Control's iOS app from 0 to 1 and scaled it into a full product used in production. Took full ownership of the mobile codebase from day one — architecture, CI/CD, App Store releases, and feature development.Over time, expanded scope beyond mobile to contribute across backend and frontend, acting as a generalist engineer wherever the product needed it.Also played a product engineer role, bridging product and engineering — translating business requirements into technical specs, coordinating across teams, and making sure what got built actually matched what users needed.Stack: Swift, SwiftUI, Node.js, React, Fireblocks integration.
- BitstackMobile LeadBANKING AND INSURANCEMay 2023 - October 2024 (1 year and 5 months)París, FranceLed mobile at Bitstack (YC S22), a Bitcoin savings app. Owned the full mobile roadmap — made the call to migrate from a legacy codebase to a new Flutter app from scratch, and drove that rewrite while keeping the existing app stable in production.Took end-to-end ownership of architecture, Apple Pay and Google Pay integrations, real-time data via Firebase, and App Store releases. Worked closely with the CEO and product team to prioritize what got built and when.Stack: Flutter, Dart, Firebase, CircleCI.
- hosekiiOS EngineerNovember 2021 - May 2023 (1 year and 6 months)Austin, United StatesBuilt the iOS app from scratch for Hoseki, a platform helping users verify and custody their Bitcoin. Owned the full mobile codebase while also contributing to the web platform and backend API integrations.Worked across the stack — Swift on mobile, Node.js on the backend — in a small team where everyone wore multiple hats and shipped fast.Stack: Swift, Node.js, blockchain exchange APIs.
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Education
- Ingenieria en sistemas audiovisualesUniversidad Carlos III de Madrid2015
- MBAIEBS2021