Senior Java Backend Developer ONSITE

Senior Backend Java Developer – Largest Federal Enterprise, Woodlawn, MarylandOn-site • Exceptional Pay • Long-term Federal Contract ONSITE ALSO INTERIVEW ONSITEWe’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.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.Key Responsibilities:Java/Spring Boot development for large-scale backend systemsBuild and maintain RESTful APIs supporting millions of transactionsModernize legacy systems into scalable, cloud-ready architecturesCollaborate with architects, product owners, and federal stakeholdersEnsure performance, security, and reliability across all backend servicesCloud Platforms (AWS, Azure, GCP)Understanding how backend services interact with cloud infrastructure:IAM roles/permissionsVPC, subnets, security groups, firewallsLoad balancers, API gatewaysCloud-native event & messaging systems (e.g., AWS SNS/SQS, Kafka, Pub/Sub)2. Networking & Infrastructure ConceptsHTTP/TCP basics, DNS, routingSSL/TLS, certificate managementService discoveryReverse proxies (NGINX, Envoy)3. DevOps & DeploymentInfrastructure-aware backend developers should know:Docker fundamentals (images, layers, networking)Kubernetes basics (deployment, config maps, services)CI/CD concepts (GitHub Actions, Jenkins, GitLab)4. Observability & ReliabilityIntegration often means making services discoverable, measurable, and debuggable:Logging frameworks (Logback, SLF4J)Metrics (Micrometer + Prometheus)Distributed tracing (OpenTelemetry, Jaeger, Zipkin)Health checks and readiness probes5. Messaging & Integration TechnologiesApache Kafka (topic design, consumer groups)RabbitMQ or other AMQP brokersJMS for legacy systemsWebhooks and event-driven integration patterns6. Security & ComplianceInfrastructure integration is heavily tied to secure communication:OAuth2 / OIDCJWT managementSecrets management (Vault, AWS Secrets Manager)API rate limiting, throttling, circuit breakers7. Infrastructure-as-Code (optional but valuable)Not required for all roles, but increasingly helpful:Terraform basicsHelm basics for Kubernetes packagingRequired Skills:8+ years backend engineering experienceExpert-level Java, Spring Boot, REST API developmentStrong microservices and distributed systems experienceSQL/NoSQL, CI/CD, containerizationAbility to work on-site in Woodlawn, MDBachelor’s degreePreferred:Prior federal agency experience (SSA, CMS, DHS, USDA, etc.)AWS, Kafka, OpenShiftWhy:This role supports a program that has delivered stability, dignity, and protection to generations of Americans. It’s meaningful work with exceptional longevity.