Summary: Seeking a Semi Senior Backend Engineer (Java) to design, build, and maintain robust APIs and backend services for critical platforms, focusing on reliability, accuracy, and scalability. Highlights: 1. Build and optimize robust APIs and backend services where correctness matters 2. Design and execute unit, integration, and contract tests 3. Develop backend services with Java for business-critical platforms Client: Our client is a large digital organization in Latin America, operating business\-critical platforms where reliability, data accuracy, and scalability are key. Project overview: This role is part of the team responsible for designing, building, and maintaining the Orders Platform, including the order lifecycle, shopping basket, and fulfillment flows. The platform must reflect the real state of orders with high accuracy and resilience. Keep reading if you enjoy building robust APIs and backend services where correctness and execution quality truly matter. Position overview: We are looking for a Semi Senior Backend Engineer (Java) with solid experience building backend services and APIs. The role requires autonomy within defined boundaries, strong collaboration with product and UX, and attention to reliability and data consistency. * Responsibilities: Design, develop, and maintain backend services using software engineering best practices * Build and optimize REST and or GraphQL APIs with clear contracts * Implement business logic supporting data ingestion and processing * Write clean, testable, and maintainable code aligned with team standards * Design and execute unit, integration, and contract tests * Participate in peer code reviews and Agile ceremonies * Work with infrastructure teams on CI CD pipelines and deployments * Deploy and operate services in cloud environments considering scalability and security * Monitor production systems and support incident resolution * Document solutions and share knowledge with the team * Requirements: Experience developing backend services with Java * Knowledge of API design (REST or GraphQL) * Experience with relational databases (PostgreSQL or MySQL) and basic performance tuning * Familiarity with asynchronous or event driven concepts (queues, pub sub) * Basic understanding of resilience patterns (retries, error handling, idempotency) * Experience with Git and CI CD workflows * Experience working in Agile environments * Fluency in Spanish and intermediate English for documentation and collaboration * Nice to have: Product mindset and value orientation * Autonomy aligned with team goals * Analytical and data driven thinking * Collaboration, proactivity, and clear communication