core Java backend/system-level developer Department None (JD) – Must Have (Core Skills) · Solid Core Java developer (minimum Java 1.8; current work in Java 17/21) · Strong command of: o OOP concepts o Java Collections o Exception handling o Multithreading & concurrency (locks, executors, sync, thread pools) o Experience in inter‑service communication (REST, TCP, messaging) · Experience with: o ZMQ for TCP-based communication o HTTP‑based communication in Python (or any other language) components · Ability to work independently with minimal supervision · Hands-on experience with Caching,



memory optimization and maintaining latest data in temp & process memory · Experience in distributed messaging systems · Comfort working in Linux environments Good to Have · Working knowledge of Python · Experience with Job Scheduler · Familiarity with ReactJS (only optional, front-end exposure) · Experience with CI/CD pipelines and Agile methodology · Exposure to low‑latency applications Not Required No requirement for Spring, Spring Boot, Hibernate or ORM experience. Open Positions 1 Mandatory Skills Core Java ,Java 8, Multithreading, OOPS, Collections, Exception Handling, Caching, Memory allocation, Memory Management Education Qualification Bachelors or Masters in Engineering Experience 5 to 8 years

📌 Core Java Backend Developer (Chennai)
🏢 Crisil
📍 Chennai