Java Developer - Backend - Microservices
First seen by Alion on Oct 23, 2026.
Responsibilities:
- 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.
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.
- 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.
Skills
Java, Spring Boot, MySQL, RESTful API, Java/J2EE Architect, Microservices Architecture, CI/CD, OAuth, Kafka