Job Description

Title : Backend Developer (On Site)

Location: Reston, VA (preferred) or Plano, TX

In person Interview

Employment Type: Contract/Fulltime

Note : ONLY USC, GC, H4 EAD

Job Description

Our Client is seeking a seasoned Backend Developer to support a large-scale application modernization initiative. This role will focus on refactoring legacy systems into a modern, cloud-native backend using Java, Python, and AWS services , with an emphasis on scalability, event-driven design, and clean architecture.

Key Responsibilities

• Support refactoring and modernization of a legacy Collateral application, transitioning from PL/SQL and SAS to a target-state Java and Python-based architecture
• Design and develop scalable backend services using Java (Spring ecosystem) and Python
• Build and support event-driven architectures using AWS Kinesis, SNS, and SQS
• Develop and maintain serverless components leveraging AWS Lambda
• Work with AWS data services including RDS, DynamoDB, and Glue to support backend integrations
• Implement and manage cloud infrastructure using Terraform (Infrastructure as Code)
• Collaborate closely with product owners, architects, and QA teams during design, development, and testing phases
• Ensure performance, reliability, and security best practices across backend services
• Participate in CI/CD pipelines and follow DevOps-aligned development practices
• Support production stability, defect resolution, and performance tuning as needed

Required Skills & Experience

• 10+ years of Java backend development experience
• 2+ years of hands-on Python development
• Strong experience with AWS cloud services, including:
• Kinesis, SNS, SQS
• Lambda
• RDS, DynamoDB, Glue
• Hands-on experience with Terraform
• Experience modernizing or refactoring legacy applications
• Strong understanding of backend architecture, data flows, and integration patterns

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