Senior Software Developer

Job Title: Senior Software Developer (Java/J2EE – Cloud Migration & Modernization)

Location:

Rockville, MD (Hybrid – 3 days onsite per week)

Job Summary

STAFFXPERT LLC is seeking a Senior Software Developer (Java/J2EE – Cloud Migration & Modernization) on behalf of our client in Rockville, MD. The ideal candidate will have strong experience in modernizing legacy Java/J2EE applications and migrating them to AWS cloud environments. This role involves hands-on development, solution design, and collaboration with cross-functional teams to deliver scalable, cloud-native applications with improved performance, agility, and maintainability.

Key Responsibilities

• Lead the migration and modernization of enterprise Java/J2EE applications to AWS cloud environments.

• Design and implement migration strategies including replatforming and refactoring approaches.

• Decompose monolithic applications into microservices or modular cloud-native architectures.

• Develop reusable components, frameworks, and reference implementations to support migration efforts.

• Rewrite and optimize Java applications to integrate with AWS services and cloud-native capabilities.

• Integrate applications with AWS services such as EC2, ECS, EKS, S3, RDS, API Gateway, and Lambda.

• Implement containerization using Docker and deploy applications using ECS or EKS.

• Develop and maintain Infrastructure as Code (IaC) using tools such as CloudFormation, Terraform, or AWS SAM.

• Support CI/CD pipeline implementation and DevOps automation practices.

• Ensure adherence to architectural standards, security guidelines, and cost optimization best practices.

• Collaborate with architects, developers, and business stakeholders in an Agile/SCRUM environment.

• Participate in sprint planning, reviews, and provide regular progress updates.

Required Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).

• 5+ years of experience in AWS cloud migration and application modernization.

• Strong experience migrating on-premise applications to AWS environments.

• Proficiency in Java, J2EE, and frameworks such as Spring, Hibernate, and JSF.

• Strong understanding of AWS architecture and cloud computing principles.

• Hands-on experience with Docker and Kubernetes (EKS preferred).

• Experience with Infrastructure as Code tools such as Terraform or CloudFormation.

• Knowledge of CI/CD pipelines and DevOps best practices.

• Experience with database migration strategies and distributed systems.

• Strong problem-solving and debugging skills in cloud-based environments.

• Excellent communication and teamwork skills in Agile environments.

Preferred Qualifications

• Experience with large-scale enterprise application modernization programs.

• Exposure to microservices architecture design and implementation at scale.

• Familiarity with AWS-native monitoring, logging, and observability tools.

• Experience in performance tuning and cost optimization of cloud applications.