WI

Java +React Professional

Wissen Infotech
Mumbai5-8 LPA Posted 30 Jul 2025
FULL TIME
Devops
Qa
Core Java
Sybase
Oracle
+1 more

Job Description

Key Responsibilities:

  • Design, develop, and maintain high-performance Java applications used in banking and financial services.
  • Develop responsive web applications using React.js .
  • Apply in-depth knowledge of Java collections , concurrency , and multithreading , including executor services and fork/join frameworks.
  • Optimize JVM performance and memory usage in enterprise-scale systems.
  • Write clean, maintainable, and efficient code following industry best practices.
  • Work with relational databases (Sybase, Oracle, SQL Server) and apply advanced concepts like indexing, replication, triggers, and stored procedures.
  • Collaborate with cross-functional teams (QA, DevOps, Business Analysts) to understand requirements and deliver robust solutions.
  • Participate in code reviews, unit testing, and mentoring junior developers.
  • Troubleshoot and resolve complex application issues in production environments.

Required Skills Qualifications:

  • 5+ years of hands-on development experience with Core Java .
  • Strong understanding and practical experience with:
  • Collections Framework
  • Concurrent Programming
  • Multi-threading (Executor service, Fork/Join Pool, etc.)
  • Experience in building modern web interfaces using React.js .
  • In-depth knowledge of the JVM , with experience in performance tuning and memory management.
  • Solid understanding of Object-Oriented Design and Data Structures .

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