Senior Java Developer

Job Title: Java Developer (10+ Years)

Location:
New Jersey
(Onsite)

Employment:
Full Time/ W2
(NO C2C)

Job Summary
We are seeking a
Senior Java Developer with 10+ years of hands-on experience
in designing, developing, and maintaining
enterprise-grade, scalable, and high-performance applications
. The ideal candidate will possess deep expertise in
Java, Spring ecosystem, microservices architecture, cloud-native development, RESTful APIs, database design, and CI/CD pipelines
, and will play a critical role in
end-to-end application delivery
across distributed systems.

Key Responsibilities:

• Design, develop, and maintain
  robust backend applications
  using
  Java (Java 8/11/17), OOP principles, multithreading, collections, and concurrency frameworks
  .
• Build
  scalable microservices architectures
  using
  Spring Boot, Spring MVC, Spring Cloud, and Spring REST
  , ensuring high availability and fault tolerance.
• Develop and expose
  RESTful APIs and Microservices
  using
  Spring REST, OpenAPI/Swagger
  , and implement secure communication using
  OAuth 2.0, JWT, and role-based access control (RBAC)
  .
• Implement
  data persistence layers
  using
  JPA, Hibernate, Spring Data JPA
  , and optimize complex SQL queries for
  Oracle, PostgreSQL, MySQL
  , and
  NoSQL databases
  such as
  MongoDB and Redis
  .
• Design and implement
  event-driven and messaging-based solutions
  using
  Apache Kafka, JMS, RabbitMQ
  , enabling real-time data processing and asynchronous communication.
• Develop
  batch and scheduled processing jobs
  using
  Spring Batch, Quartz Scheduler
  , and multithreaded processing for high-volume data workloads.
• Lead
  end-to-end SDLC activities
  , including
  requirements analysis, system design, development, unit testing, integration testing, deployment, and production support
  using
  Agile/Scrum methodologies
  .
• Implement
  cloud-native solutions
  on
  AWS / Azure / GCP
  , leveraging services such as
  EC2, S3, RDS, Lambda, Azure App Services, AKS
  , and cloud-managed databases.
• Containerize applications using
  Docker
  and manage orchestration, scaling, and deployments using
  Kubernetes
  .
• Design and maintain
  CI/CD pipelines
  using
  Jenkins, GitHub Actions, GitLab CI
  , automating build, test, and deployment workflows.
• Write
  unit, integration, and API tests
  using
  JUnit 5, Mockito, TestNG
  , and ensure code quality through
  SonarQube and static code analysis tools
  .
• Implement
  logging, monitoring, and observability
  using
  Log4j, SLF4J, ELK Stack, Prometheus, Grafana, Splunk, Azure Application Insights
  .
• Ensure application
  security, performance tuning, and scalability
  , following
  secure coding standards, OWASP guidelines
  , and enterprise best practices.
• Collaborate with
  Product Owners, Business Analysts, Architects, QA, DevOps, and cross-functional teams
  to deliver high-quality, business-aligned solutions.
• Mentor junior developers, conduct
  code reviews
  , enforce
  coding standards
  , and contribute to
  architecture and design decisions
  .
• Support
  production deployments
  , troubleshoot issues, perform
  root cause analysis
  , and drive continuous improvement initiatives.

Required Skills:

• Programming Languages:
  Java 8/11/17
• Frameworks:
  Spring Boot, Spring MVC, Spring Cloud, Spring Security, Spring Batch
• Microservices & APIs:
  RESTful Services, Swagger/OpenAPI, Feign Client
• Databases:
  Oracle, PostgreSQL, MySQL, MongoDB, Redis
• Messaging & Streaming:
  Apache Kafka, JMS, RabbitMQ
• Cloud Platforms:
  AWS / Azure / GCP
• DevOps & CI/CD:
  Docker, Kubernetes, Jenkins, Git, Maven, Gradle
• Testing:
  JUnit, Mockito, TestNG
• Security:
  OAuth 2.0, JWT, SSL/TLS
• Monitoring & Logging:
  ELK Stack, Splunk, Prometheus, Grafana
• Methodologies:
  Agile, Scrum, SDLC