Senior Java Backend Developer ONSITE
Senior Backend Java Developer – Largest Federal Enterprise, Woodlawn, Maryland On-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 systems
- Build and maintain RESTful APIs supporting millions of transactions
- Modernize legacy systems into scalable, cloud-ready architectures
- Collaborate with architects, product owners, and federal stakeholders
- Ensure performance, security, and reliability across all backend services
- Cloud Platforms (AWS, Azure, GCP)
- Understanding how backend services interact with cloud infrastructure:
- IAM roles/permissionsVPC, subnets, security groups, firewalls
- Load balancers, API gateways
- Cloud-native event & messaging systems (e.g., AWS SNS/SQS, Kafka, Pub/Sub)2. Networking & Infrastructure ConceptsHTTP/TCP basics, DNS, routingSSL/TLS, certificate management
- Service discovery
- Reverse proxies (NGINX, Envoy)3. DevOps & Deployment
- Infrastructure-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 & Reliability
- Integration 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 Technologies
- Apache Kafka (topic design, consumer groups)
- RabbitMQ or other AMQP brokersJMS for legacy systems
- Webhooks and event-driven integration patterns6. Security & Compliance
- Infrastructure integration is heavily tied to secure communication:
- OAuth2 / OIDCJWT management
- Secrets 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 basics
- Helm basics for Kubernetes packaging
Required Skills:
- 8+ years backend engineering experience
- Expert-level Java, Spring Boot, REST API development
- Strong microservices and distributed systems experienceSQL/NoSQL, CI/CD, containerization
- Ability to work on-site in Woodlawn, MDBachelor’s degree
Preferred:
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.