Java Programmer

Opeka Serve; Mohali; On-site; INR 4,000,000 - 8,000,000; Full time

Job summary

Opeka Serve is seeking a Senior Backend Developer to own backend development, maintenance, and operations. The role requires deep Java/Spring Boot microservices expertise, Kafka integration, MySQL, and Kubernetes deployments.

During the transition, you will document and own existing business logic across the PTCS service portfolio and complex integrations with BSS, ASM, ATG, FCM, and other systems. The ideal candidate has 5+ years in backend development, strong API design experience, and

Qualifications

• Bachelor's or Master's degree in CS/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.

Responsibilities

• Own and drive backend development, maintenance, and operational excellence.
• Document and take ownership of existing business logic across PTCS service portfolio.
• Integrate with external systems including BSS, ASM, ATG, FCM, and others.
• Collaborate on architecture, design reviews, and performance optimizations.

Skills

Java

Spring Boot

Kafka

MySQL

Docker

Kubernetes

REST APIs

JWT/OAuth2

Git

CI/CD

ArgoCD

Helm

Agile/Scrum

OpenAPI/Swagger

Education

Bachelor's or Master's in Computer Science/Engineering

Tools

Strimzi Operator

Prometheus/Micrometer

Grafana

Jaeger/Zipkin

ELK/Loki

New Relic

Dynatrace

Datadog

Istio/Envoy

Job description

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

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