Java Backend Developer - Microservices Architecture

We are seeking a seasoned Java Backend Developer to design, build, and maintain microservices that power our platform. The role involves developing scalable REST APIs, integrating Kafka pipelines, and working closely with frontend and external systems. You will also contribute to infrastructure, code quality, and incident support.

• Understand, document, and improve existing business logic across all microservices
• Design, develop, and maintain scalable, high‑performance REST APIs consumed by frontend and external systems
• Implement Kafka producers and consumers for push notification and email pipelines
• Integrate with external systems including BSS, ASM, ATG, JID/RID, FCM/Firebase, Email System, and Vault
• Write clean, maintainable, 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, integration, 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 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 (producers, consumers, topic management)
• Solid experience with MySQL (complex queries, transactions, indexing)
• Hands‑on experience with Docker and Kubernetes (pod management, ConfigMaps, Secrets)
• Strong experience designing and consuming REST APIs (OpenAPI, Swagger)
• Experience with JWT, OAuth2, and token‑based authentication
• Experience integrating Firebase/FCM for push notifications
• 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