JD for Developers: Strong proficiency in React.js, including hooks, state management, component lifecycle, and REST/GraphQL integration   Experience building responsive, cross-browser compatible UI with modern JavaScript (ES6+), HTML5, and CSS3   Solid core Java knowledge (OOP, collections, multithreading, exception handling) and experience with Java-based frameworks (e.g., Spring/Spring Boot)   Hands-on experience developing RESTful APIs and microservices in Java, including security, validation, and documentation   Proficiency in Python for backend services, scripting, data processing, or automation tasks   Experience with Python frameworks (e.g., Django, Flask, FastAPI) and integration with databases and external APIs   Practical experience with ELK stack (Elasticsearch, Logstash, Kibana) for log aggregation, search, monitoring, and visualization   Knowledge of CI/CD, version control (Git), and best practices in testing, code quality, and performance optimization across the stack ...