Job Summary: We are seeking a Java Backend Developer to design, develop, and evolve solutions, ensuring code quality and working with Agile methodology. Key Highlights: 1. Design and development of innovative solutions 2. Code quality assurance 3. Growth opportunities and career plan Ids Comercial is a 100% Mexican IT company with over 40 years of experience and presence in Mexico, Latin America, and the USA. Over 1,500 consultants work on numerous projects across financial, commercial, manufacturing, telecommunications, services, government, and other sectors. We are accredited at CMMI Level 5 (Capability Maturity Model Integration), a 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 ARE LOOKING FOR YOU!! Java Backend Developer Responsibilities: · Design and development of solutions. · Project prototyping. · Code quality assurance. · Execution of processes aligned with Agile methodology. Requirements: · Bachelor’s degree – Systems Engineering or related field. · Intermediate English. · Build and evolve the orchestration layer between corporate backend and mobile/web apps. · Consolidate, transform, and enrich data from multiple services. · Implement lightweight business logic specific to the BFF. · Design and maintain mobile-optimized REST or GraphQL APIs. · Minimize UI calls using composite endpoints. · Version and document APIs. · Implement validations, error handling, timeouts, and circuit breakers. · Implement metrics, logs, traces, and correlation. · Resolve incidents and optimize endpoint performance. · 5+ years with Java, Spring Boot/Data/Security, Java 17+. · Design patterns (Facade, Composite, Strategy, Adapter). · Proficiency with JUnit5, Mockito, Swagger, Maven/Gradle, Git. Location: · Mexico City We Offer: · Competitive salary · Superior benefits · Career plan 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. -Requirements- Minimum education: Higher education – Bachelor’s degree years of experience Keywords: developer, programmer