Job Summary: We are seeking an experienced Backend Engineer to design and evolve high-performance services on a cloud-based software platform for the hospitality industry, integrating AI capabilities and intelligent automation. Key Highlights: 1. High-impact role with real architectural ownership 2. Opportunity to evolve a mature platform toward AI-native capabilities 3. Collaborative, product-focused engineering culture **About the Company** We are building the next generation of cloud\-native software for the hospitality industry. Our platform powers complex, multi\-tenant environments across multiple companies and product lines, serving high\-demand operational workflows at scale. We operate in a high\-availability, high\-performance context where reliability and scalability are non\-negotiable. Now, we are evolving the platform toward AI\-native capabilities, integrating intelligent automation, AI\-assisted workflows, and data\-driven decision layers directly into our core services. We are a product\-driven, engineering\-first organization. We value architectural thinking, ownership, continuous delivery, and pragmatic innovation. If you enjoy designing resilient distributed systems and want to help evolve a mature platform into an AI\-native ecosystem, you’ll feel at home here. **Job Description** We are building the next generation of cloud\-native software for the hospitality industry. Our platform powers complex, multi\-tenant environments across multiple companies and product lines, serving high\-demand operational workflows at scale. We operate in a high\-availability, high\-performance context where reliability and scalability are non\-negotiable. Now, we are evolving the platform toward AI\-native capabilities, integrating intelligent automation, AI\-assisted workflows, and data\-driven decision layers directly into our core services. We are a product\-driven, engineering\-first organization. We value architectural thinking, ownership, continuous delivery, and pragmatic innovation. If you enjoy designing resilient distributed systems and want to help evolve a mature platform into an AI\-native ecosystem, you’ll feel at home here. **How You’ll Have Impact** * Architect Core Services: Design and evolve high\-performance backend services using Java and Spring (Boot, Security, Batch) within a hexagonal architecture. * Drive Platform Evolution: Contribute to architectural decisions around scalability, multi\-tenancy, observability, and distributed communication (REST, queues, gRPC, batch, integrations). * Build AI\-Ready Systems: Design services and data models that enable AI\-driven workflows, automation, and intelligent decision layers. * Own the Lifecycle: From domain modeling and API design to deployment, monitoring, and production performance optimization. * Collaborate Cross\-Functionally: Work closely with product, frontend engineers (Angular/TypeScript), and DevOps to deliver production\-ready features continuously. **What You’ll Do** * Design and implement scalable backend services using Java, Spring Boot, Spring Security, Spring Batch, Hibernate. * Architect RESTful APIs and event\-driven integrations with partners (REST, SOAP, gRPC, messaging systems). * Optimize relational data models (SQL Server, PostgreSQL) for performance and maintainability. * Deploy and operate services in Dockerized environments on AWS, ensuring resilience and observability (ELK, monitoring tools). * Implement secure, high\-performance, multi\-tenant solutions. * Participate in code reviews, technical discussions, and architectural design sessions. * Use AI\-assisted development tools (Copilot, Cursor, LLM\-based workflows) to increase productivity and share best practices with the team. * Take full responsibility for your code: you build it, you manage it. **Requirements** **What You Bring** * 5\+ years of experience building production\-grade backend systems. * Deep expertise in Java and Spring Boot. * Strong experience with relational databases and performance tuning. * Proven experience designing RESTful APIs and distributed systems. * Solid understanding of cloud\-native architectures and containerized workloads. * Experience working in high\-availability, high\-throughput environments. * Strong ownership mindset: you care about reliability, performance, and maintainability. * Comfortable participating in architectural discussions and challenging decisions. * Professional Spanish and English level. **Nice\-to\-Have Superpowers** * Experience with Kubernetes and advanced CI/CD pipelines. * Test\-Driven Development (JUnit, Mockito). * Experience integrating AI\-driven workflows or designing systems that enable ML/AI consumption. * Familiarity with frontend frameworks (Angular, React). * Experience with observability platforms and performance monitoring. * Exposure to Domain\-Driven Design (DDD) and event\-driven architectures. **Additional Information** * High\-impact role with real architectural ownership. * Opportunity to evolve a mature cloud platform toward AI\-native capabilities. * Collaborative, product\-focused engineering culture. * Continuous learning and technical growth. * International and cross\-functional environment.