Description : We are seeking a highly skilled Senior Backend Developer with extensive experience in Java and Azure Cloud Services. The ideal candidate will be responsible for designing, developing, and maintaining scalable, high-performance backend applications using modern Spring frameworks and microservices architecture. You will play a critical role in integrating cloud-native services and ensuring the security and reliability of our production systems.

Key Responsibilities :

- Application Development : Design, build, and maintain robust backend applications using Java (8, 17, and 21).

- API & Services : Develop scalable RESTful APIs and backend services using Spring Boot and Spring MVC.

- Security Implementation : Secure applications using Spring Security, implementing JWT and OAuth2 protocols.

- Architecture : Design and manage Microservices-based architectures to ensure modularity and scalability.

- Data Management : Use Spring Data JPA / Hibernate for database interactions and manage high-performance data storage using MongoDB (including query optimization).

- Cloud Integration : Deep integration with Azure Services, specifically :

1. Messaging : Event Hub and Event Streaming systems.

2. Security : Key Vault and Azure AD authentication (Service Principal, Managed Identity, Federated Credentials).

3. Storage & Data : Storage Accounts and Databricks.

- Configuration & DevOps : Manage environment configurations using YAML/Properties files and collaborate with DevOps teams for seamless deployment and monitoring.

- Performance & Reliability : Implement logging, monitoring, and troubleshooting protocols to ensure 24/7 system reliability and performance.

Required Skills & Experience :

- Core Java : Strong proficiency in Java 8, 17, and 21.

- Spring Ecosystem : Expert knowledge of Spring Boot, Spring MVC, Spring Security, and Spring Data JPA.

- Database : Proven experience with MongoDB query management and NoSQL best practices.

- Cloud Platforms : Hands-on experience with Microsoft Azure (Event Hubs, Key Vault, Databricks).

- Architectural Patterns : Solid understanding of Microservices, Event-Driven Architecture, and Messaging systems.

- Security Fundamentals : Practical experience with Identity management (Service Principals/Managed Identities) and secure coding practices.

- Monitoring : Familiarity with production logging and performance monitoring tools.