Senior Java Developer - Multithreaded Apps

Description :

Responsibilities :

- Design and develop robust server-side applications using Java, focusing on high performance, scalability, and maintainability.

- Build and optimize multi-threaded, clustered, high-volume transactional systems.

- Implement and maintain RESTful APIs within a Service-Oriented Architecture (SOA).

- Utilize architectural design patterns to solve complex technical problems.

- Lead the design and implementation of multithreaded applications, ensuring performance and scalability.

- Conduct thorough code reviews, documentation, and participate in software release management processes.

- Collaborate with cross-functional teams to identify and resolve bottlenecks and performance issues in existing systems.

Core Technical :

- 5 to 10 years of experience with Java (strong command of core Java & concurrency).

- Deep understanding of :

1. Threads, locks, synchronization

2. NIO, socket programming

3. File I/O, persistence, journaling

4. JVM memory model

- Experience debugging distributed or messaging systems.

Messaging & Protocols :

- Experience with JMS or other message brokers (Kafka, RabbitMQ, ActiveMQ, EMS).

- Understanding of message delivery semantics (ACK, transactions, redelivery, selectors).

- Familiarity with wire protocols (OpenWire, STOMP, MQTT) or similar protocol stacks.

Debugging & Problem Solving :

- Strong ability to read, understand, and extend large legacy Java codebases.

- Experience diagnosing performance bottlenecks or production failures.

Open Source Mindset :

- Prior open-source contribution is a strong advantage.

- Good written communication skills for interacting with the Apache community.