● Take full ownership of 2 to 3 assigned 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 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. ©sourcefuse all rights reserved | privacy policy Mandatory Qualifications: ● 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 ● Solid 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. ©sourcefuse all rights reserved | privacy policy Desired Qualifications: ● Experience with Spring Cloud, Spring Batch, or Spring Scheduler for job and scheduler implementation ● Experience with HashiCorp Vault for secrets and certificate management in application code ● Familiarity with Strimzi Operator and Kafka on Kubernetes ● Experience with Prometheus metrics exposition using Micrometer and Grafana dashboards ● Experience with distributed tracing tools such as Jaeger or Zipkin ● Knowledge of Telecom domain including BSS/OSS provisioning workflows and parent-child account management ● Experience with log management tools such as ELK Stack or Loki ● Experience with APM tools such as New Relic, Dynatrace, or Datadog ● Familiarity with service mesh technologies such as Istio or Envoy ● Experience with automated testing frameworks such as JUnit 5, Mockito, and Testcontainers ● CKAD (Certified Kubernetes Application Developer) certification

📌 Senior Backend Engineer (India)
🏢 Happiest Resume
📍 India