Java L3 Support Specialist

2 weeks ago

Bengaluru, India Astria Digital Full time

We are seeking an experienced Java L3 Support Specialist to join our team. The ideal candidate should have a strong technical background in designing, developing, and maintaining systems capable of handling high-volume transactions. The role requires proficiency in Java, asynchronous communication, parallel processing, and database management to ensure high availability, scalability, and data integrity.


Key Responsibilities:


System Design & Development:

  • Design and optimize systems capable of handling millions of transactions per day using PostgreSQL.
  • Ensure high availability, scalability, and data integrity.


Data Management:

  • Work with PostgreSQL for complex data operations.
  • Implement distributed transactions with consistency and accuracy.


Asynchronous Communication:

  • Utilize Kafka topics for asynchronous communication.
  • Handle message streams efficiently for parallel processing.


Java Programming:

  • Develop and maintain code using Java functional interfaces, Java collections, and parallel processing/multithreading.
  • Work with JPA/JDBC for database interactions.


Security & Design Patterns:

  • Implement encryption and hashing techniques to secure sensitive data.
  • Apply microdesign patterns for scalable and maintainable code.


Troubleshooting & L3 Support:

  • Provide Level 3 support, analyzing and resolving complex issues in production.
  • Collaborate with cross-functional teams to ensure smooth operations.


Performance Optimization:

  • Monitor and optimize system performance to handle large-scale data operations.
  • Debug and fine-tune multithreading and parallel processing implementations.


Required Skills & Experience:

  • 9+ years of experience in Java development and support.
  • Strong expertise in PostgreSQL, Java Collections, JPA/JDBC, and multithreading/parallel processing.
  • Hands-on experience with Kafka for asynchronous communication.
  • In-depth knowledge of encryption techniques, hashing, and data security best practices.
  • Experience with distributed transactions and ensuring high system availability.
  • Proficient in implementing functional interfaces and microdesign patterns.
  • Familiarity with designing high-volume transaction systems.

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