Sr. Backend Java Developer_ MacLean, VA (Onsite Position)

Sr. Backend Java Developer 

Onsite 5 days – MacLean, VA Need Local
Long Term Contract
F2F Must

Description:

We’re looking for a Senior Backend 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.

Job Description: 

•                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