Sr. Java Developer - Onsite @Mclean, VA-Need Locals Only - Must be local

Title - Sr. Java Developer

Location-Onsite @Mclean, VA-Need Locals Only

Duration Contract

Description:

We re looking for a Senior Developer to join an Agile team responsible for a mission-critical web platform. You ll work on stabilizing and enhancing existing systems while driving modernization using Java and AWS. This role suits a pragmatic, hands-on engineer who enjoys owning backend systems end-to-end and shaping technical direction in a regulated environment.

What You ll Do

• Design, build, and maintain backend services using Java and Spring Boot
• Develop and evolve microservices and REST APIs
• Modernize legacy backend components while ensuring system stability
• Design and optimize PostgreSQL schemas and queries Integrate services with AWS (Lambda, S3, API Gateway, SQS, EventBridge, etc.)
• Apply event-driven and cloud-native patterns to improve scalability and resilience
• Write unit and integration tests and participate in code reviews
• Support production systems, debugging issues and improving observability
• Collaborate closely with Product, Frontend, QA, and DevOps teams in an Agile environment

What We re Looking For

• Strong experience with Java and Spring Boot
• Solid understanding of backend architecture, microservices, and design patterns
• Hands-on experience with AWS services Strong SQL skills and experience with PostgreSQL
• Experience working with legacy systems and incremental modernization
• Familiarity with CI/CD pipelines and containerized deployments
• Financial Services or Wealth Management experience is a plus
• Ownership mindset and strong problem-solving skills

Technology Stack Languages & Frameworks: Java 23, Spring Boot 3.x Architecture: Microservices, REST APIs, event-driven systems Database: PostgreSQL Cloud: AWS DevOps: Git, Gradle, Docker, CI/CD Observability: New Relic, Elasticsearch Productivity: GitHub Copilot

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