Java Backend Developer

SUMMARY
Job Description

We are looking for a skilled Java Developer with strong Oracle Database expertise who can design, develop, and optimize high-performance enterprise applications. The ideal candidate must have hands-on experience in Java 8, Oracle SQL, performance tuning, Explain Plan analysis, and complex joins in high-volume transactional environments.

Key Responsibilities

• Design, develop, and maintain enterprise applications using Java 8.
• Write optimized Oracle SQL queries, stored procedures, functions, and packages .
• Perform database performance tuning using Explain Plan, AWR reports, indexing strategies, and query optimization techniques.
• Analyze and optimize complex joins and large datasets for improved performance.
• Troubleshoot production performance issues and provide root cause analysis.
• Work closely with DBAs, architects, and business teams for requirement analysis and solution design.
• Ensure code quality through unit testing, code reviews, and best practices.
• Support deployment, release management, and post-production monitoring.

Required Skills

• Strong hands-on experience in Java 8 (Collections, Streams, Lambda expressions, Multi threading).

• Expertise in Oracle Database (11g/12c/19c preferred) .

• Strong knowledge of:

  • Query optimization techniques
  • Execution Plan analysis (Explain Plan)
  • Indexing strategies
  • Partitioning
  • Performance tuning

• Experience in writing and optimizing complex joins and sub queries .

• Good understanding of JDBC, REST APIs, and Spring framework (preferred).

• Strong problem-solving and analytical skills.

Good to Have

• Experience in the Banking / Financial Services domain
• Exposure to Microservices architecture
• Knowledge of Unix/Linux commands
• Experience with CI/CD tools

Education

• B.E./B.Tech/MCA or equivalent qualification