Senior Java Developer

We are seeking a highly skilled and experienced Senior Java Developer to join our client's team. The ideal candidate should have a strong background in handling high-volume transactions, data localization, and latency management. You will be adept at building and maintaining secure, scalable infrastructures and integrating with multiple financial institutions and services.

Key Responsibilities:

• Manage high-volume transactions and optimize latency and data localization.
• Implement encryption and secure storage solutions.
• Develop real-time monitoring systems to detect and prevent fraudulent transactions. Integrate with merchants, banks, and financial institutions.
• Develop APIs for external developers to facilitate service integration.
• Handle and process large volumes of transaction data and user information.
• Maintain and scale infrastructure to support user growth and transaction volumes.

Qualifications:

• Bachelor's degree in Computer Science, Engineering, or a related field.
• Minimum 4+ years of experience in Java development.
• Apply frameworks and libraries like Spring Boot, Apache Struts, JavaServer Faces (JSF), Hibernate, or Maven/Gradle for development and dependency management.
• Proven experience with OAuth2, JWT, and secure API development.
• Proficient in building RESTful APIs (Spring MVC, gRPC, and JSON).
• Optimize Java concurrency utilities and JVM performance settings.
• Experience in working with databases like MySQL, PostgreSQL, & Cassandra/MongoDB (NoSQL), and ORM technologies.
• Excellent problem-solving skills and attention to detail.
• Strong communication and teamwork skills.