What are the responsibilities and job description for the Java Developer position at RAKS Group LLC?
| We are seeking a Java Developer to design, build, and support enterprise-grade applications and services. The role requires strong core Java expertise, experience with EJB and Spring, Kafka and hands-on work with Oracle DB and MongoDB. You will also contribute to modern AI-enabled capabilities (Agentic AI) and performance optimization using Redis caching. Key Responsibilities Design, develop, test, and maintain Java-based applications and APIs. Build and support components using EJB and Spring/Spring Boot (as applicable). Develop data access layers and optimize queries for Oracle DB; implement document models and queries for MongoDB. Implement and tune Redis caching strategies (e.g., read-through/write-through, TTL policies, cache invalidation). Integrate Agentic AI capabilities into applications (e.g., orchestrating agent workflows, tool/function calling, guardrails, observability). Produce clean, maintainable code following secure coding and SDLC best practices. Troubleshoot production issues, perform root-cause analysis, and implement fixes and performance improvements. Collaborate with architects, QA, DevOps, and product stakeholders to deliver features end-to-end. Create technical documentation (design notes, runbooks, API docs) and support knowledge transfer. Required Skills & Experience Strong experience in Java (Core Java, OOP, Collections, Concurrency), Kafka Hands-on experience with EJB (stateless/stateful beans, transactions, JPA integration where relevant). Strong experience with Spring Framework (preferably Spring Boot, Spring MVC, Spring Data). Solid experience with Oracle DB (SQL, PL/SQL basics, performance tuning, indexing). Experience with MongoDB (schema design, aggregation pipeline, indexing, performance considerations). Experience implementing Redis as a cache (data structures, eviction policies, clustering/sentinel awareness is a plus). Working knowledge of Agentic AI concepts and implementation patterns (agents, tools, orchestration, prompt/workflow design, evaluation). Familiarity with RESTful APIs, JSON, and integration patterns. | |