Senior Java Backend Developer ONSITE
Job Description
Senior Backend Java Developer – Largest Federal Enterprise, Woodlawn, Maryland
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On-site • Exceptional Pay • Long-term Federal Contract ONSITE ALSO INTERIVEW ONSITE
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We’re seeking a Senior Backend Java Developer to support mission-critical systems at the Largest Federal Enterprise in Woodlawn, MD. This is an on-site role with outstanding contractor pay and the kind of long-term stability this opportunity is known for.
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The work directly supports what many consider the greatest humanitarian program ever created — —Largest Federal Enterprise established under President Franklin D. Roosevelt and still serving millions of Americans every day.
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Key Responsibilities:
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Java/Spring Boot development for large-scale backend systems
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Build and maintain RESTful APIs supporting millions of transactions
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Modernize legacy systems into scalable, cloud-ready architectures
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Collaborate with architects, product owners, and federal stakeholders
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Ensure performance, security, and reliability across all backend services
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Cloud Platforms (AWS, Azure, GCP)
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Understanding how backend services interact with cloud infrastructure:
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IAM roles/permissions
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VPC, subnets, security groups, firewalls
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Load balancers, API gateways
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Cloud-native event & messaging systems (e.g., AWS SNS/SQS, Kafka, Pub/Sub)
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2. Networking & Infrastructure Concepts
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HTTP/TCP basics, DNS, routing
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SSL/TLS, certificate management
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Service discovery
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Reverse proxies (NGINX, Envoy)
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3. DevOps & Deployment
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Infrastructure-aware backend developers should know:
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Docker fundamentals (images, layers, networking)
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Kubernetes basics (deployment, config maps, services)
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CI/CD concepts (GitHub Actions, Jenkins, GitLab)
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4. Observability & Reliability
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Integration often means making services discoverable, measurable, and debuggable:
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Logging frameworks (Logback, SLF4J)
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Metrics (Micrometer + Prometheus)
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Distributed tracing (OpenTelemetry, Jaeger, Zipkin)
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Health checks and readiness probes
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5. Messaging & Integration Technologies
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Apache Kafka (topic design, consumer groups)
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RabbitMQ or other AMQP brokers
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JMS for legacy systems
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Webhooks and event-driven integration patterns
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6. Security & Compliance
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Infrastructure integration is heavily tied to secure communication:
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OAuth2 / OIDC
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JWT management
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Secrets management (Vault, AWS Secrets Manager)
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API rate limiting, throttling, circuit breakers
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7. Infrastructure-as-Code (optional but valuable)
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Not required for all roles, but increasingly helpful:
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Terraform basics
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Helm basics for Kubernetes packaging
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Required Skills:
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8+ years backend engineering experience
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Expert-level Java, Spring Boot, REST API development
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Strong microservices and distributed systems experience
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SQL/NoSQL, CI/CD, containerization
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Ability to work on-site in Woodlawn, MD
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Bachelor’s degree
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Preferred:
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Prior federal agency experience (SSA, CMS, DHS, USDA, etc.)
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AWS, Kafka, OpenShift
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Why:
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This role supports a program that has delivered stability, dignity, and protection to generations of Americans. It’s meaningful work with exceptional longevity.