Senior Backend Developer - Java Expert

📍 Paris (hybrid) | 🗣️ English C1/C2 – French B2+ | 💼 Permanent contract (CDI) Join Pixid, an HR scale-up at the crossroads of SaaS, data, and employee experience, rapidly expanding across Europe. We help companies digitalize the management of their talents and partners through powerful, intuitive solutions. And to support our growth, we’re hiring a SeniorJava Backend Developer. Pixid is entering an ambitious transformation phase and is looking for the next builders of this change! The platform is highly configurable and used by multiple international stakeholders, making the challenge particularly stimulating. PIXID manages more than 222,000 companies connected to over 12,000 temporary work agencies. Each month, they exchange more than 2.5 million documents, representing a purchasing volume estimated at nearly €11 billion! Join our Agile feature squad to build next-generation microservices with cutting-edge technologies while maintaining and extending our monolith's features. Develop scalable, secure services, promote engineering best practices, and contribute to our event-driven architecture. Collaborate with our PO to define features and technical solutions (services and APIs) for our clients. 👉 Your Key Responsibilities: Microservices Development: Design and implement microservices using Java/Spring Boot, following domain-driven design principles Event-Driven Systems: Develop event-driven services using Kafka or similar platforms, implementing event sourcing and CQRS patterns Zero-Trust Implementation: Build services with zero-trust security principles, implementing proper authentication, authorization, and encryption Database Optimization: Work with PostgreSQL to design efficient schemas, implement materialized views for performance optimization, and manage data consistency Best Practices Champion: Promote and implement engineering best practices, including clean code, SOLID principles, comprehensive testing, and documentation Code Quality: Participate in code reviews, implement automated testing strategies, and maintain high code quality standards Observability: Implement comprehensive logging, monitoring, and tracing for distributed systems 6+ years of backend development experience with Java and Spring framework Strong understanding of microservices architecture patterns and RESTful API design Experience with event-driven architecture and message brokers (Kafka, RabbitMQ) Proficiency in PostgreSQL, including query optimization and materialized views Understanding of zero-trust architecture and security best practices Experience with containerization (Docker) and orchestration (Kubernetes) Knowledge of CI/CD practices and DevOps principles Strong problem-solving skills and attention to detail Languages: English C1 🇬🇧 - French B2+ 🇫🇷 Nice to Have Familiarity with API gateway patterns Understanding of Domain-Driven Design and hexagonal architecture HR Screening Technical Interview with the Head of Engineering Home Case study Culture fit interview with HRD and CTO 🏆 Offer! Ready to leave your mark on the transformation of a strong, market-established SaaS? Join us and be part of the journey!