Fullstack Software Engineer (x/f/m) - Core Billing Platform

You. Better. With Alan. Alan is building a vertically integrated health partner that unites insurance and smart healthcare delivery into one seamless system. Our vision is to make prevention the new norm of care for all. Our mission: Help people live in good health to 100 while helping employers feel proud, turning health benefits from a cost centre into their most valuable investment. By connecting all aspects of care (private, public, and direct to consumer) we create the most member-centric healthcare experience, reducing claims costs while generating new monetization opportunities. We partner with tens of thousands of companies across France 🇫🇷, Spain 🇪🇸, Belgium 🇧🇪, and Canada 🇨🇦, serving over a million members. How we work: our Leadership Principles Mission is the Boss — We think long-term and are methodical optimists who take risks, seeking our mission's success above all else. Distributed Ownership — Accountable enlightened despots: everyone owns their decisions and results. Radical Transparency — All information is accessible and written-first, so everyone can make the best decisions asynchronously. Always Growing — Direct, positive, and caring feedback, combined with self-growth ownership. ⭐ Design and own our billing platform At Alan, billing is a critical platform that powers all of our services across multiples countries. We turn complex rules, multi-country regulations, and high transaction volumes into scalable, reliable systems. As a Software Engineer on this team, you will: Build the core billing engine : process thousands of transactions daily with precision and reliability. Design modular, reusable billing primitives and abstractions that scale across products and regions. Integrate with payment gateways , partner APIs, and internal systems. Automate billing schedules and workflows across multiple countries. Ensure system reliability , accuracy, and operational excellence. Collaborate with product, design, and operations to create a unified platform. Why this role is special: Design Alan’s core financial systems and global expansion. Work on complex distributed systems powering thousands of transactions daily. Influence platform design , architecture, and future scalability. Be part of a team that values engineering craftsmanship and continuous improvement. Work in an environment where your ideas, designs, and decisions drive tangible outcomes. 🛠 Your playground Stack : Python/Flask, React, React Native, PostgreSQL. What you’ll do : ship scalable, reliable systems and build the backbone of Alan’s billing operations. Impact : your work directly unlocks new services, countries, and exciting deals. It then supports their reliable operation. 👥 Who we’re looking for We are looking for software engineers of all experience levels, ideally with backend / full-stack experience . Passionate about navigating complex business logic and system dependencies. Experienced with scalable, resilient platform design. Well-versed in OOP languages (Python, Java, C#). Fluent in English (French is a plus but not required). Curious, self-starting, humble, collaborative, and eager to grow. 🙌 Perks & Benefits Fair rewards & equity packages. Flexible office & remote options . Top-tier equipment : MacBook Pro, monitor, noise-canceling headphones. Flexible vacation & hours . Comprehensive healthcare for you, children, and partners. Transport support and coaching for personal growth . Training budget for conferences, courses, books. Extended parental leave for all parents. 🔄 Recruitment note 🌟 We hire people, not roles. Don’t worry if you don’t check every box - high potential and curiosity matter most . We may even suggest another team if we see a better fit. 🔖 Learn more About Alan and on our Career pages, Medium , blog and Glassdoor page .