Fullstack Developer H/F

Les missions du poste About IDEMIA Secure Transactions IDEMIA Secure Transactions, a division of IDEMIA Group, is the leading technology provider making it safer and easier to pay and connect. With unmatched expertise in cryptography and credential issuance, IST is trusted by over 2,000 financial institutions, mobile operators, automotive manufacturers, and IoT providers worldwide. Every day, IST secures billions of essential transactions, ensuring the highest levels of data protection and convenience. As part of a newly created cross-functional delivery team, you will design, build, and operate secure, scalable, and fully automated cloud platforms supporting prototypes and MVPs. You will work closely with architects and product teams to rapidly build prototypes and MVPs under short delivery cycles (3-6 months), applying cloud-native, secure-by-design, and everything as code principles. Your daily tasks will include: · Developing high-quality, secure backend services and microservices (API, IoT data ingestion, event streaming). · Building REST/GraphQL endpoints, authentication flows, and scalable business logic. · Working on an event-driven architectures (Event Hubs, MQTT...). Develop reliable code using latest genAI tools & state of the art protocols. Le profil recherché Core Technical Skills * Experience with backend development in Node.js, Python, Go, or Java. * Knowledge of modern API frameworks (FastAPI, Spring Boot, NestJS). * Experience with Azure services: Azure Functions, Azure API Management, Cosmos DB, AKS, Azure Storage Queues. * Understanding of security patterns (OAuth2, JWT). * Experience with event streaming and IoT protocols is a plus. Programming * Excellent coding skills, code review capabilities, and unit/integration test practices. * Familiarity with CI/CD pipelines and infrastructure-as-code. * Problem-solving mindset and strong autonomy. * Team-oriented, excellent communication. * Comfortable in fast iteration and MVP-focused delivery. * English proficiency. Bienvenue chez IDEMIA IST About IDEMIA Secure Transactions IDEMIA Secure Transactions, a division of IDEMIA Group, is the leading technology provider making it safer and easier to pay and connect. With unmatched expertise in cryptography and credential issuance, IST is trusted by over 2,000 financial institutions, mobile operators, automotive manufacturers, and IoT providers worldwide. Every day, IST secures billions of essential transactions, ensuring the highest levels of data protection and convenience.