Java Developer

Role: Java Developer

Location: Trenton, NJ - Hybrid

Duration: 6 Months

Interview: MS-Teams/Webex/Video

Work Arrangement: Hybrid

Short Description:

We are seeking a strong and forward-thinking Java/J2EE Developer with experience in modernizing enterprise applications from on-prem environments to cloud-native architectures. The ideal candidate will have deep expertise in Java, Spring Framework, microservices, and experience working with AWS services including Beanstalk, RDS, DynamoDB, ECS/EKS, and Lambda. Familiarity with containerization (Docker, Kubernetes) is expected as part of a transitional strategy, with the long-term goal of moving to a serverless, event-driven architecture. Knowledge of Node.js is a plus.

Full Job Description:

Education: Bachelor s degree in computer science or a related field, or equivalent technical experience

Position Summary:

The successful candidate will playa key role in a strategic application modernization initiative to migrate legacy Java applications from an on-prem to the cloud (AWS), leveraging modern technologies such as Spring Boot, containerization, AWS managed services, and eventually serverless architectures. This position requires strong full-stack development capabilities, with emphasis on cloud readiness, microservices, and integration with AWS services. Candidates should also be comfortable supporting legacy systems in the short term, while driving long-term modernization efforts.

Key Responsibilities:

• Modernize and migrate legacy WebSphere Java applications to AWS using Spring Boot and cloud-native best practices
• Design, develop, and maintain scalable, modular Java microservices leveraging Java and Spring Boot
• Build and integrate RESTful APIs using Spring, API Gateway, and AWS Lambda
• Maintain and enhance existing SOAP services, supporting a phased deprecation strategy
• Support and optimize legacy data access using JPA, Hibernate, MyBatis while transitioning to AWS RDS (Aurora) and DynamoDB
• Utilize AWS services such as Beanstalk, Lambda, RDS, S3, DynamoDB, CloudWatch
• Apply containerization using Docker, with short-term orchestration using Kubernetes or ECS
• Collaborate on infrastructure-as-code (IaC) with tools such as CloudFormation or Terraform
• Work closely with DevOps to ensure seamless CI/CD pipelines using GitHub, Maven/Gradle, Jenkins, etc.
• Collaborate with UI developers on React-based front ends
• Write unit and integration tests using JUnit, Mockito, TestNG
• Maintain and troubleshoot existing applications with JSF front ends
• Provide documentation and architecture diagrams for modernization roadmap

Required Qualifications &Technical Skills

• 7+ years of experience in Java/J2EE development, with emphasis on Java 17+, Spring Boot, REST APIs
• Experience modernizing Java apps from legacy environments (e.g., WebSphere)
• Proficiency in Spring Framework (Spring Boot, Spring Cloud, Spring Security, etc.)
• Experience building scalable microservices and integrating with AWS RDS, Aurora, DynamoDB
• Hands-on experience with AWS services: Beanstalk, Lambda, EC2, S3, API Gateway
• Familiarity with containerization using Docker, short-term Kubernetes support
• Experience developing and consuming SOAP and REST web services
• Strong SQL and NoSQL data modeling experience
• Proficient in Git, Maven/Gradle, CI/CD workflows
• Familiarity with Node.js and server-side JavaScript (optional but a plus)
• Experience with Agile development methodologies

Ideal Candidate Will Be Able To:

• Lead modernization efforts and translate architectural direction into scalable, maintainable code
• Support legacy systems while contributing to new serverless and microservices-based solutions
• Write clean, testable, and well-documented code
• Mentor junior developers and work collaboratively in cross-functional teams
• Stay up to date with trends in cloud-native development, serverless architectures, and DevOps
• Communicate clearly with both technical and non-technical stakeholders

Preferred Certifications (Nice to Have):

• AWS Certified Developer Associate or AWS Certified Solutions Architect

Skill Required / Desired Amount of Experience

• Java SE / Java 17+ - Required 7 Years
• J2EE Required 9 Years
• Spring Framework (Boot, Cloud, Security) Required 7+ Years Required 7 Years
• REST API Development Required 7 Years
• WebSphere Modernization Required 3 Years
• Microservices Architecture Required 5 - Years
• AWS Elastic Beanstalk Required 2 - Years
• AWS Lambda Required 2 Years
• AWS EC2 Required 2 Years
• AWS S3 Required 2 Years
• AWS RDS (Aurora) Required 2 Years
• AWS DynamoDB Required 2+ Years Required 2 Years
• Docker Desired 2 Years
• Kubernetes / ECS Desired 1 Years
• SOAP Web Services Required 5 Years
• JPA / Hibernate / MyBatis Required 5 Years
• SQL Databases Required 7 Years
• NoSQL Databases Required 2 Years
• Git Required 5+ Years Required 5 Years
• Maven / Gradle Required 5 Years
• CI/CD (Jenkins, GitHub Actions, etc.) Required 3 Years
• React (collaboration with UI team) Required 2+ Years Required 2 Years
• JSF Maintenance Required 3 Years
• Unit Testing (JUnit, Mockito, TestNG) Required 5 Years
• Agile Methodologies Required 4 Years
• js Desired 1 Years
• AWS Certification (Developer / Architect) Desired 1 Years
• Bachelor s degree in computer science or a related field, or equivalent technical experience - Required 4 Years