Java Backend Developer

Embarkgcc Services; Thiruvananthapuram; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Embarkgcc Services is seeking a skilled Java Developer with strong Oracle Database expertise to design, develop, and optimize high-performance enterprise applications. The candidate will work on Java 8, Oracle SQL, performance tuning, Explain Plan analysis, and complex joins in high-volume environments.

Responsibilities include building and maintaining applications, writing optimized Oracle SQL queries, performing tuning, and collaborating with DBAs, architects, and business teams to ensure

Qualifications

• Hands-on experience in Java 8 for enterprise applications.
• Deep Oracle Database knowledge including 11g/12c/19c and SQL.
• Expertise in query optimization, Explain Plan analysis, and indexing.
• Experience with JDBC, REST APIs, and Spring framework (preferred).

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.

Skills

Java 8

Lambda expressions

Streams

Multi threading

JDBC

REST APIs

Spring framework

Query optimization techniques

Explain Plan analysis

Indexing strategies

Partitioning

Performance tuning

Complex joins & sub queries

Problem-solving & analytical skills

Education

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

Tools

Oracle Database (11g/12c/19c preferred)

Job description

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