ph3Design and own our billing platform /h3 pAt Alan, billing is a critical platform powering all of our services across multiple countries. We turn complex rules, multi‑country regulations, and high transaction volumes into scalable, reliable systems. /p h3Responsibilities /h3 ul libBuild the core billing engine /b: process thousands of transactions daily with precision and reliability. /li libDesign modular, reusable billing primitives /b and abstractions that scale across products and regions. /li libIntegrate with payment gateways /b, partner APIs, and internal systems. /li libAutomate billing schedules and workflows /b across multiple countries. /li libEnsure system reliability /b, accuracy, and operational excellence. /li libCollaborate /b with product, design, and operations teams to create a unified platform. /li /ul h3Why this role is special /h3 ul libDesign Alan’s core financial systems /b and drive integral expansion. /li libWork on complex distributed systems /b powering thousands of transactions daily. /li libInfluence platform design, architecture, and future scalability /b. /li libBe part of a team that values engineering craftsmanship /b and continuous improvement. /li libWork in an environment where your ideas, designs, and decisions drive tangible outcomes /b. /li /ul h3Your playground /h3 ul libStack /b:



Python/Flask, React, React Native, PostgreSQL. /li libWhat you’ll do /b: ship scalable, reliable systems and build the backbone of Alan’s billing operations. /li libImpact /b: your work directly unlocks new services, countries, and exciting deals, supporting their reliable operation. /li /ul h3Who we’re looking for /h3 ul liSoftware engineers of all experience levels, ideally with backend/full‑stack experience. /li liPassionate about navigating complex business logic and system dependencies. /li liExperienced with scalable, resilient platform design. /li liWell‑versed in OOP languages (Python, Java, C#). /li liFluent in English (French is a plus but not required). /li liCurious, self‑starting, humble, collaborative, and eager to grow. /li /ul h3Perks Benefits /h3 ul liFair rewards equity packages. /li liFlexible office remote options. /li liTop‑tier equipment: MacBook Pro, monitor, noise‑canceling headphones. /li liFlexible vacation hours. /li liComprehensive healthcare for you, children, and partners. /li liTransport support and coaching for personal growth. /li liTraining budget for conferences, courses, books. /li liExtended parental leave for all parents. /li /ul /p #J-18808-Ljbffr

📌 Fullstack Software Engineer (x/f/m) - Core Billing Platform (Madrid)
🏢 Alan
📍 Madrid