Java fullstack Developer

Job Description: Senior Java Full-Stack Developer

Location: Whippany, NJ (Onsite / Hybrid - based on client requirement)
Experience: 3-6 Years
Employment Type: Contract
Role Type: Senior Developer - Java Full Stack

About the Role

We are seeking a Senior Java Full-Stack Developer with 6-8 years of hands-on experience building scalable, high-performance applications. This role requires strong backend expertise in Java/Spring Boot , solid front-end experience using React or Angular , and the ability to work in a fast-paced, collaborative environment within financial services.

Key Responsibilities

Backend Development

• Design, develop, and maintain Java/Spring Boot microservices and distributed systems.
• Implement RESTful APIs, business logic, data access layers, and asynchronous workflows.
• Write secure, optimized, and maintainable code following industry best practices.
• Create integration points across internal and external systems.
• Develop reusable components and participate in architecture discussions.

Frontend Development

• Build UI features using React (preferred) or Angular with TypeScript.
• Collaborate with UX teams to implement intuitive, responsive interfaces.
• Ensure UI performance optimization, state management, and API integration.

Database & Cloud

• Work with Oracle/SQL Server/PostgreSQL to design and optimize complex queries.
• Deploy, monitor, and maintain applications in AWS/Azure/GCP environments (based on client setup).
• Implement CI/CD workflows using Jenkins, GitHub Actions, or Azure DevOps.

Agile Delivery & Collaboration

• Participate in sprint planning, backlog grooming, daily standups, and retrospectives.
• Work closely with architects, QA engineers, product owners, and cross-functional teams.
• Review code, mentor junior developers, and enforce engineering standards.

Quality & Security

• Write extensive unit, integration, and functional tests (JUnit, Mockito, Jest).
• Ensure code security, resiliency, and compliance with enterprise standards.
• Troubleshoot production issues and participate in on-call rotations as required.

Required Skills & Experience

Technical Skills

• 6-8 years of hands-on experience in Java development and full-stack engineering.
• Strong expertise in:
  • Java 11+ , Spring Boot, Spring MVC, Spring Data, Spring Security
  • Microservices architecture, REST APIs
  • React with TypeScript (or Angular), HTML5, CSS3, JavaScript/ES6
  • SQL (Oracle, PostgreSQL, SQL Server) and ORM frameworks (Hibernate/JPA)
  • CI/CD tools : Jenkins, GitHub, Azure DevOps, Maven/Gradle
  • Cloud : AWS/Azure concepts (EC2, S3, Lambda, AKS/EKS - depending on client tech stack)
• Experience with Git , Docker, containerized applications.
• Knowledge of messaging systems (Kafka, MQ) is a plus.

Soft Skills

• Strong analytical, debugging, and problem-solving abilities.
• Excellent communication and stakeholder engagement skills.
• Ability to lead discussions and contribute to solution design.
• Proactive, team-oriented, and committed to quality delivery.

Nice-to-Have Skills

• Exposure to financial/banking platforms.
• Experience with Kubernetes , Helm, Terraform.
• Familiarity with testing frameworks like Cypress , Cucumber (BDD) .
• Experience in event-driven architecture or streaming solutions.

Education

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