Senior Backend Developer - Java/Spring Boot

Job Description :

The Senior Backend Developer will take full ownership of driving development, maintenance, and operational excellence. This role requires deep expertise in Java/Spring Boot microservices, Kafka integration, MySQL, and Kubernetes-based deployments. During the transition period, the Senior Backend Developer will be responsible for understanding, documenting, and taking ownership of existing business logic across the PTCS service portfolio, including complex integrations with BSS, ASM, ATG, FCM, and other external systems.

Key Responsibilities :

• Take full ownership of 2 to 3 assigned PTCS microservices from the following list : App/Main Controller, ASM Controller, BSS Controller, Misc/Data Controller, Push Notification Controller, Email Notification Controller, Scheduler, and Exporter.

• Understand, document, and improve existing business logic implemented across all microservices.

• Design, develop, and maintain scalable and high-performance REST APIs consumed by the Frontend team and external systems.

• Implement Kafka producers and consumers for Push Notification and Email Notification pipelines.

• Integrate with external systems including BSS, ASM, ATG, JID/RID, FCM/Firebase, Email System, and Vault.

• Write clean, maintainable, and well-tested code following PTCS coding standards and architectural guidelines.

• Conduct code reviews and provide constructive technical feedback to team members.

• Write and maintain unit tests, integration tests, and regression test suites.

• Maintain and improve Helm charts and Kubernetes deployment configurations for owned services.

• Support L3/L4 escalations for production incidents related to owned microservices.

• Contribute to MOP, test cases, test strategy, and technical documentation.

• Participate in architecture reviews and contribute to technical decision-making.

• Mentor junior developers and support knowledge sharing within the team.

Requirements :

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.

• 5+ years of professional backend software development experience.

• Expert-level proficiency in Java and Spring Boot for microservices development.

• Strong experience with Apache Kafka including producer and consumer implementation, topic management, and consumer group handling.

• Solid experience with MySQL including complex queries, transactions, indexing, and performance optimization.