$225k-$250k base + bonus (realistically 2-3x base total cash) + equity Highly Funded Crypto Firm are looking for a Founding Mobile Engineer to architect and build a high-performance crypto trading app from the ground up. The founders scaled their last product to $5.4M revenue in year one with two people and have worked at multiple companies that passed $1B valuations. Self-funded, no outside investors, no dilution, and profitable from launch by design.

: Architect the entire React Native app from zero,every foundational technical decision is yours Build a best-in-class trading experience (spot and perps) optimised for speed and low latency across every interaction Ship from 0 to App Store on a rapid timeline,



working directly with the founder and a dedicated UI/UX designer Ensure the app scales to 25-50k+ daily active users and $100M+ daily volume without performance degradation Own production reliability end to end - fix critical bugs the hour they land, automate release pipelines 6-15 years in mobile engineering Built and architected React Native applications from scratch (0 to 1) in TypeScript 0-1 feature work at a prominent brokerage, wallet, or mobile crypto trading app Independently designed, built and scaled a consumer mobile app to 1M+ users

📌 Founding Mobile Engineer Remote (Madrid)
🏢 We Source Talent
📍 Madrid