core Java backend/system-level developer

Crisil; Mumbai; Presencial; INR 1 200 000 - 2 500 000; Tempo integral

Resumo da oferta

Crisil is seeking a strong Core Java developer to work on distributed systems in Mumbai. You will develop in Java 1.8+ with current exposure to Java 17/21, implement robust OOP designs, and optimize memory usage while ensuring data freshness across services. The role emphasizes independent work, Linux proficiency, and collaboration on REST and messaging workloads.

Bonus exposure to Python components and CI/CD pipelines would be beneficial. Familiarity with ZMQ is a plus.

Qualificações

• Strong Java development experience (Java 1.8+; current work with Java 17/21).
• Solid knowledge of OOP concepts, collections, exception handling, and multithreading.
• Experience with REST, TCP, and messaging in distributed systems.
• Linux environment familiarity and ability to work independently with minimal supervision.
• Hands-on experience with caching, memory optimization, and maintaining latest data in temp & process memory.

Conhecimentos

Core Java

OOP Concepts

Java Collections

Exception Handling

Multithreading

REST

TCP

Messaging

ZMQ

Python

Linux

Caching

Memory Optimization

Inter-service Communication

Ferramentas

CI/CD

ReactJS

ZMQ

Descrição da oferta de emprego

Job Description (JD) –

Must Have (Core Skills)

• Strong 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.