Mobile Engineer (React Native)

<p>At Ageras, we are redefining how entrepreneurs—freelancers, self-employed professionals, and SMEs—manage their banking, and administrative tasks. Through seamless tools and innovative accounting &amp; banking solutions, we help them focus on what matters most: growing their businesses.</p><p>Our vision is to become the best friend of every small entrepreneur across Europe. 💚<br/></p><p>Over the years, Ageras has grown through the merging of top European FinTechs like Shine (🇫🇷), Kontist (🇩🇪), Tellow (🇳🇱), and more. Today, we’re a team of nearly 500 people, including 150 talented engineers, working together from Paris, Amsterdam, Copenhagen, and Berlin.</p><h2><strong>👀 The</strong> Invoicing Success <strong>team at Ageras</strong></h2><p>Our Invoicing Success team is on a mission to deliver seamless, intuitive invoicing experiences that empower small entrepreneurs to manage their finances efficiently.</p><p>We are an ambitious and growing tech team focused on delivering cutting-edge mobile and web applications. Our current focus is evolving towards strengthening our React Native stack, aiming to launch a unified platform with several new apps by the end of the year. As part of this evolution, we’re seeking a Senior Mobile Engineer (React Native) to bring fresh perspectives, strong technical leadership, and a passion for high-quality mobile development.</p><h2><strong>📋 Your role as a Mobile Engineer (React Native)</strong></h2><p>We’re looking for a <strong>Mobile Engineer (React Native)</strong> to join our growing and evolving team. As we shift focus toward developing a more robust <strong>React Native stack</strong>, your contributions will directly shape the future of our mobile platform. We're preparing for an ambitious second half of the year with a unified stack rollout and multiple new app launches.</p><p>You’ll be joining a small, supportive team with strong autonomy and shared ownership. While the focus is on mobile, fullstack knowledge is highly valued, and web contributions may also be part of the role.</p><p><strong>Your responsibilities will include:</strong></p><ul> <li>Build and deliver mobile features with fast, testable iterations</li> <li>Own and lead technical projects — from planning to delivery</li> <li>Support and mentor other developers, promoting a culture of learning</li> <li>Collaborate with Engineering Manager, Product Manager, and Product Designer to drive the best possible solutions</li> <li>Maintain and evolve our <strong>React Native</strong> stack (with Expo), including performance, migrations, and architecture improvements</li> <li>Implement and ship features in multi-contributor applications</li> <li>Manage app releases and publishing workflows</li> <li>Contribute to discussions around tech improvements, tooling, and processes</li> <li>Take part in PR reviews, pairing, and regular team check-ins</li> </ul><p><br/></p><h1><strong>🔎 About you</strong></h1><ul> <li>5+ years of professional experience with: <ul> <li>React Native and React</li> <li>Node.js, TypeScript</li> <li>REST, GraphQL, or RPC APIs</li> <li>Microservices</li> <li>Cloud infrastructure (AWS, GCP, or similar)</li> <li>CI/CD, testing, monitoring, and release management</li> <li>Expo, component optimization, and design systems</li> </ul></li> <li>Ability to contribute across mobile and web platforms</li> <li>Fluent in English (written and spoken)</li> </ul><p><strong>Nice-to-Have:</strong></p><ul> <li>Experience with deployment tooling and build optimization</li> <li>Background in mentoring or team leadership</li> <li>Familiarity with multi-contributor environments and shared app ownership</li> </ul><p><strong>Soft skills that make you shine:</strong></p><ul> <li>Excellent communication and a strong sense of ownership</li> <li>Proactive mindset</li> <li>Focused on product impact and user experience</li> <li>Comfortable in fast-paced, evolving environments</li> <li>Team player with a problem-solving attitude</li> </ul><h1><strong>🚀 If you’re the right person, here’s what success looks like:</strong></h1><ul> <li><strong>After 3 months</strong>: You’re recognized by the team for your expertise, and your teammates feel confident and comfortable working with you.</li> <li><strong>After 6 months</strong>: You’re a key contributor to the team’s success, raising the bar on quality and expectations across the board.</li> </ul><h1><strong>🎁 What We Offer</strong></h1><p>Hands-on experience in an international, fast-growing fintech</p><p>A young, motivated team in the structuring phase – you’ll make a real impact!</p><p>Flexible working hours</p><p>A fun and social office environment in the heart of Paris (snacks, lunch, and great colleagues included!)</p><p>📅 Start Date: Preferably Asap but flexible<br/> 📍Job located in Paris, Berlin, Copenhagen or Gdansk office with possibility of two remote working days per week<br/></p><h1><strong>💚 Our recruitment process</strong></h1><p>1️⃣ Initial screening with