Position Summary: Java Backend Developer BFF to orchestrate services, consolidate information, implement business logic, and design microservices/REST APIs. Key Highlights: 1. Develop the orchestration layer between BAAS/BCS services and applications. 2. Design, implement, and maintain microservices/REST APIs. 3. Implement validation and error-handling policies. IDS Comercial is a 100% Mexican IT company with 43 years of experience and presence in Mexico, Latin America, and the USA. Over 1,500 consultants work across numerous projects in financial, commercial, manufacturing, telecommunications, services, government, and other sectors. We are accredited at CMMI Level 5 (Capability Maturity Model Integration), the quality model established by the Software Engineering Institute (SEI). Certified by ISO under standard ISO/IEC 27001:2013\. We hold the Socially Responsible Enterprise (ESR) distinction. WE’RE LOOKING FOR YOU! **Java Backend Developer BFF** Main Responsibilities: * Develop the orchestration layer between BAAS/BCS services and mobile/web applications. * Consolidate, transform, and enrich data originating from multiple services to align with requirements of target services. * Implement lightweight business logic appropriate for the BFF layer (without duplicating BAAS logic). * Design, implement, and maintain microservices/REST APIs (or GraphQL) optimized for mobile consumption. * Version and document APIs according to corporate guidelines. * Implement input/output validation policies, error handling, timeouts, and circuit breakers prior to gateway exposure. * Resolve incidents and issues related to the BFF layer. Requirements: 5\+ years of Java development experience. Spring Boot, Spring Data, Spring Security Java 17\+ • Swagger / OpenAPI. Automated Postman collections. Maven/Gradle, Git, Bitbucket/Github, Confluence. JUnit5, Mockito. Internal REST APIs and SOAP Services (where applicable for legacy core systems). Design patterns (Facade, Composite, Strategy, Adapter). Solid knowledge of application architecture. Strong programming logic proficiency. Knowledge of design patterns. Work Modality: Hybrid (2 days onsite, 3 remote). Location: CDMX. We Offer: Monthly base salary (100% payroll scheme) Statutory benefits Attendance bonus (10% of monthly base salary) 5% housing fund (% of payroll) 2% retirement fund (% of payroll) Major Medical Expense Insurance Minor Medical Expense Insurance Accident Life Insurance Savings Fund (Optional) Fleet Auto Insurance (Optional) Commercial Agreements *We are an inclusive company, free from any form of discrimination, where opportunities are available to those who demonstrate attitude and talent. We do not require medical certificates confirming non-pregnancy or Human Immunodeficiency Virus (HIV) status as prerequisites for joining our large family of professionals and accessing equal growth opportunities.*