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Job Overview

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.

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
- 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. 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 Recent 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

📌 Java Programmer (Sahibzada Ajit Singh Nagar)
🏢 Opeka Serve
📍 Sahibzada Ajit Singh Nagar