Summary: Seeking a veteran Java/J2EE engineer with deep proficiency in Spring Framework and XML, capable of deep-code forensics and foundational architectural design. Highlights: 1. Build high-performance RESTful services with Spring Boot 2. Solve complex problems via Design Patterns and scalable design 3. Deliver clean, efficient code using Java 17+ **¡Join our team at Kainam and help build the future of AI\-native solutions!** **About the role** To round out the technical profile, we are looking for a veteran Java/J2EE engineer with deep proficiency in the Spring Framework and a strong command of XML. This role requires someone who can go beyond high\-level application development to perform deep\-code forensics; you must be capable of digging into the internals of Mondrian and olap4j to troubleshoot or extend core functionalities. While rare, familiarity with XMLA is highly desirable and would be a significant advantage. **\*Key responsibilities** * Web APIs: Build high\-performance RESTful services with Spring Boot. * Architecture: Solve complex problems via Design Patterns and scalable design. * Java/J2EE: Deliver clean, efficient code using Java 17\+ ✅ **Must Have:** * Java 17\+ \& Spring Boot: Expert proficiency in Java and the Spring Framework. * Engineering Core: Mastery of OOP, Design Patterns, and SOLID principles. * HTTP Mastery: Deep knowledge of the web stack, protocols, and REST architecture. **❌ Not Looking For:** * JPrompt Engineers: This is not a role for prompt engineering or chatbot wrappers. * No "Black Box" Devs: We are not looking for those who rely on high\-level tools without understanding the underlying mathematics. * We are seeking a foundational engineer, not a 'Spec Coder' who simply follows instructions; you must have the mathematical and architectural depth to design the logic yourself. If you are a highly motivated individual living in Mexico or LATAM and ready to kickstart your career with us, we encourage you to apply! **Please submit your resume and cover letter to: ruben@kainam.ai** Job Types: Full\-time, Part\-time Pay: $30,000\.00 \- $40,000\.00 per month Work Location: Remote