Java Full Stack Developer

ONLY USC / GC

W2 ROLE ONLY

Job Summary

We are seeking an experienced Java Full Stack Developer with expertise in Java, Spring Boot, Microservices, REST APIs, Apache Kafka, DynamoDB, SQL, Angular, and Micro Frontend architecture . The ideal candidate will design, develop, test, and deploy scalable enterprise applications while collaborating with cross-functional teams in an Agile environment. The role requires strong backend development skills combined with modern frontend technologies to deliver high-performance, secure, and cloud-ready applications.

Key Responsibilities

Backend Development

• Design, develop, and maintain enterprise-grade applications using Java 17/11/8, Spring Boot, and Spring Framework.
• Develop scalable Microservices following domain-driven design (DDD) and event-driven architecture principles.
• Build reusable and maintainable RESTful APIs for internal and external integrations.
• Implement Spring Data JPA, Hibernate, Spring Security, Spring MVC, and Spring Cloud components.
• Optimize application performance, scalability, and reliability for high-volume transactional systems.
• Develop asynchronous processing solutions using Kafka producers and consumers.
• Implement distributed caching and resilience patterns using Circuit Breakers, Retry mechanisms, and Load Balancing.
• Participate in system architecture discussions and technical design reviews.

Microservices Architecture

• Design loosely coupled, independently deployable Microservices.
• Implement API Gateway, Service Discovery, centralized configuration, and distributed logging.
• Develop fault-tolerant services using resilience patterns.
• Build secure service-to-service communication.
• Optimize containerized Microservices deployed on Kubernetes/OpenShift.
• Implement centralized monitoring and health checks.

API Development & Integration

• Design and document REST APIs using OpenAPI/Swagger specifications.
• Develop secure APIs using OAuth 2.0, JWT, API Keys, and role-based authentication.
• Integrate with third-party services using REST, SOAP, and GraphQL APIs.
• Perform API versioning and lifecycle management.
• Implement request validation, exception handling, and API throttling.

Apache Kafka

• Design event-driven solutions using Apache Kafka.
• Develop Kafka Producers and Consumers for asynchronous messaging.
• Implement event streaming and real-time data processing.
• Configure Kafka topics, partitions, replication, and consumer groups.
• Ensure reliable message delivery with retry mechanisms and dead-letter queues.
• Monitor Kafka performance and optimize throughput.

Database Development

• Design scalable data models using SQL and DynamoDB.
• Develop complex SQL queries, stored procedures, views, and indexing strategies.
• Optimize database performance and query execution.
• Implement NoSQL solutions using DynamoDB for high-volume applications.
• Manage data consistency, partitioning, and indexing strategies.
• Perform database migrations and schema evolution.

Frontend Development

• Develop responsive web applications using Angular.
• Create reusable Angular components, services, directives, and modules.
• Build dynamic Single Page Applications (SPA).
• Integrate Angular applications with REST APIs.
• Implement reactive forms, routing, lazy loading, and state management.
• Optimize frontend performance and user experience.

Micro Frontend Development

• Design and implement Micro Frontend architecture using Angular.
• Develop independently deployable frontend modules.
• Enable seamless integration of multiple frontend applications.
• Implement Module Federation for code sharing.
• Ensure consistent UI/UX across Micro Frontend applications.
• Manage shared libraries and version compatibility.

Security

• Implement authentication and authorization using Spring Security.
• Configure OAuth 2.0, JWT, Single Sign-On (SSO), and role-based access control.
• Protect applications against common security vulnerabilities.
• Ensure secure API communication using and encryption standards.
• Follow secure coding practices and compliance requirements.

Cloud & DevOps

• Develop containerized applications using Docker.
• Deploy applications on Kubernetes/OpenShift environments.
• Configure CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI, or Azure DevOps.
• Automate build, testing, deployment, and monitoring processes.
• Utilize centralized logging and application monitoring tools.
• Support production deployments and release management activities.

Testing & Quality Assurance

• Develop unit tests using JUnit and Mockito.
• Create integration tests for Microservices and APIs.
• Perform API testing using Postman and Swagger.
• Conduct code reviews and maintain high code quality.
• Ensure adherence to coding standards and best practices.
• Resolve production issues through debugging and root cause analysis.

Agile & Collaboration

• Participate in Agile ceremonies including Sprint Planning, Daily Stand-ups, Sprint Reviews, and Retrospectives.
• Collaborate with Product Owners, Business Analysts, Architects, QA Engineers, and DevOps teams.
• Estimate development effort and provide technical recommendations.
• Mentor junior developers and conduct knowledge-sharing sessions.
• Prepare technical documentation and architecture diagrams.

Required Skills

• Java 8/11/17
• Spring Boot
• Spring Framework
• Spring MVC
• Spring Data JPA
• Hibernate
• Spring Security
• Spring Cloud
• Microservices Architecture

• • RESTful APIs
  • SOAP Web Services
  • OpenAPI/Swagger
  • Apache Kafka
  • SQL (Oracle, PostgreSQL, MySQL, SQL Server)
  • DynamoDB
  • Angular (Angular 12+ preferred)
  • TypeScript
  • HTML5, CSS3, JavaScript
  • Micro Frontend Architecture
  • Module Federation
  • Git
  • Maven/Gradle
  • Docker
  • Kubernetes/OpenShift
  • CI/CD Pipelines
  • JUnit
  • Mockito
  • Postman
  • Agile/Scrum

  Preferred Qualifications

  • Experience with AWS services such as DynamoDB, EC2, ECS/EKS, Lambda, API Gateway, and S3.
  • Knowledge of event-driven architecture and distributed systems.
  • Experience implementing observability using ELK Stack, Splunk, Grafana, or Prometheus.
  • Familiarity with OAuth 2.0, JWT, SSO, and enterprise security frameworks.
  • Strong understanding of design patterns, SOLID principles, and object-oriented programming.
  • Excellent analytical, troubleshooting, and communication skills.

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