Backend (Java) Developer

Tap Growth ai; Mohali; On-site; INR 1,400,000 - 2,400,000; Full time

Job summary

Tap Growth ai in Mohali, India seeks an experienced Backend (Java) Developer to own 2–3 microservices, build scalable backend solutions, and collaborate in an office-based setting.

You will use Java, Spring Boot, Kafka, MySQL, Docker and Kubernetes to deliver robust APIs and integrations with frontend and external systems, while maintaining code quality and automation.

Join a hands-on team focused on DevOps, CICD, and architectural improvements, with mentoring and growth opportunities.

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.
• 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 2–3 microservices from the provided list and ensure reliable performance.
• Design, develop, and maintain scalable backend services.
• Develop and consume REST APIs for frontend and external systems.
• Implement Kafka producers and consumers and integrate with external systems.
• Write clean, maintainable code, perform reviews, and provide technical feedback.
• Create unit, integration, and regression tests.
• Maintain Helm charts and Kubernetes deployment configurations.
• Support production incidents for owned microservices and contribute to documentation.
• Participate in architecture reviews and mentor junior developers.

Skills

Java

Spring Boot

Apache Kafka

MySQL

Docker

Kubernetes

REST APIs

OpenAPI/Swagger

JWT/OAuth2

Git

CI/CD (Jenkins/GitLab/ArgoCD)

Helm

Agile/Scrum

Testcontainers/JUnit

Education

Bachelor's or Master's degree in Computer Science, Engineering, or a related field

Tools

Docker

Kubernetes

OpenAPI/Swagger

Git

CI/CD tools (Jenkins/GitLab/ArgoCD)

Helm

Job description

We're Hiring: Backend (Java) Developer!

We are looking for an experienced Backend (Java) Developer with at least 5 years of hands‑on expertise to join our team in Mohali, India. If you have a strong background in building scalable backend solutions and thrive in a collaborative office environment, this is your chance to make a significant impact!

Location: Mohali, India
Work Mode: Work from Office
Role: Backend (Java) Developer

Key responsibilities

• 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.

Mandatory Qualification

• 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
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• 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 Qualification

• 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