Senior Java Developer

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Requirements:

• Proficiency in Java.
• Experience with the Spring Boot framework.
• Strong knowledge of MySQL, PostgreSQL, or SQL Server.
• Familiarity with NoSQL Databases such as MongoDB, Cassandra, or DynamoDB.
• Expertise in database design, including normalization, indexing, and query optimization.
• Experience in API development, both RESTful and GraphQL.
• Experience managing microservices.
• Familiarity with API authentication methods like OAuth, JWT, or OpenID Connect.
• Experience with code profiling tools (e.g., New Relic, Datadog) to identify performance bottlenecks.
• Knowledge of caching techniques and technologies like Redis, Memcached, or CDN services.
• Strong understanding of scaling techniques, including horizontal/vertical scaling and load testing.
• Solid knowledge of microservices and monolithic architectures.

Responsibilities:

• Develop and maintain server-side logic for our billing and payment platforms.
• Collaborate with cross-functional teams to design and implement system integrations that optimize the user experience.
• Design and implement robust APIs, including RESTful and GraphQL, to enhance communication between systems.
• Manage microservices architecture to ensure efficient data flow and scalability.
• Optimize application performance through code profiling, caching, and load testing.
• Design and maintain databases (MySQL, PostgreSQL, SQL Server) ensuring data integrity and performance optimization.
• Implement authentication mechanisms (OAuth, JWT, OpenID Connect) for API security.
• Contribute to system scalability using horizontal/vertical scaling strategies.