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.

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.
Hands-on experience with Docker and Kubernetes including pod management, ConfigMaps, Secrets, and resource limits.
Strong experience designing and consuming REST APIs including OpenAPI and Swagger documentation.
Experience with JWT, OAuth2, and token-based authentication and authorization patterns.
Experience integrating with Firebase/FCM for push notification delivery.
Proficiency with Git and feature branch workflows.
Experience with CI/CD pipelines using Jenkins, GitLab CI, or ArgoCD.
Experience with Helm chart development and management.
Strong understanding of Agile and Scrum development methodology.

Java Backend Developer - Microservices Architecture

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