Software Engineer Apprentice - Connect

About Mirakl: Founded in 2012, Mirakl has been at the forefront of marketplace innovation, empowering every business to compete in the platform economy. Today, Mirakl's operating system combines an enterprise marketplace solution (Mirakl Platform) that enables retailers and B2B organizations to launch, scale, and operate marketplaces and dropship, AI-powered multichannel selling (Mirakl Connect), retail media (Mirakl Ads) and an agentic commerce infrastructure (Mirakl Nexus). With dual headquarters in Boston and Paris, Mirakl helps a global ecosystem of 450+ marketplaces (B2C and B2B) and a network of over 100k third-party marketplace sellers. Brands like Macy's, Decathlon, Carrefour, Asos, and Airbus Helicopters use Mirakl to grow their businesses in new and remarkable ways. For more information: www.mirakl.com . Mirakl in Numbers: 🗓️ Founded in 2012 | Member of French Tech Next40 👥 750+ employees in 9 offices worldwide: Paris, Barcelona, Bordeaux, Boston, London, Munich, New York, Sydney, Tokyo 🇫🇷 350+ Mirakl Tech teams members mainly based in France ⚙️ 5 Saas Solutions Our Values: Working at Mirakl means accelerating your career alongside ambitious, passionate, and supportive colleagues. We're proud of the diversity of backgrounds, perspectives, and experiences that make our teams unique. Our 5 values guide how we collaborate: 💡 Work Hard Together: Teamwork and collaboration are the foundation of our success 🏆 Get Things Done: We prioritize action and efficiency for impactful results 🚀 Go Above & Beyond: We tackle challenges proactively and always aim for excellence 🎓 Succeed Through Expertise: Knowledge sharing and continuous learning are core to our culture 🤝 Satisfy & Empower Clients: We're committed to our clients' success 1. The Team You'll Join You'll be part of one of our Mirakl Labs teams working on the Mirakl Connect product , alongside software engineers, a Product Manager, and a QA Engineer. Our teams own the full end-to-end scope of their products, from design and development to the delivery of high-quality features for Mirakl's SaaS platform, used by clients around the world. Starting in January or February 2027 , you'll join us as an apprentice and be mentored by Jérôme Valloire, Software Architect , who will support your technical growth and help you develop strong software engineering best practices. 2. Your Impact Participate in design sessions with your squad, Product Manager, and UX/UI teams to shape and scope new features Develop, test, and ship code to production through continuous delivery practices Engage in code reviews and pair programming, giving and receiving feedback to grow quickly Monitor and debug production issues, embracing a you build it, you run it mindset Contribute to agile ceremonies (stand-ups, sprint reviews, retrospectives) and the Labs product roadmap 3. What You'll Bring to the Role Experience: Currently enrolled in an engineering school or university, specializing in web or software development A first hands-on experience in development, whether through an internship, school project, personal project, or a previous apprenticeship Good understanding of Java and object-oriented programming Familiarity with modern frameworks such as Spring Boot is a plus A strong interest in AI technologies Skills: Java development and OOP principles Interest in databases (PostgreSQL, MySQL, MongoDB) Curiosity for microservices architecture, API design, and cloud environments Commitment to software quality practices (testing, clean code, design patterns) Collaborative mindset with a passion for knowledge sharing and problem solving 4. Tech Stack Back-end: Java 21, Spring Boot Front-end: ReactJS Data & Messaging: Kafka, ElasticSearch, PostgreSQL Tools & Practices: CI/CD, Git, Docker, Monitoring 5. Languages English: Professional proficiency (written and spoken) Fre