Senior Java Backend Developer ONSITE

Job Description

Senior Backend Java Developer – Largest Federal Enterprise, Woodlawn, Maryland

On-site • Exceptional Pay • Long-term Federal Contract ONSITE ALSO INTERIVEW ONSITE

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.

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/permissions

VPC, subnets, security groups, firewalls

Load balancers, API gateways

Cloud-native event & messaging systems (e.g., AWS SNS/SQS, Kafka, Pub/Sub)

2. Networking & Infrastructure Concepts

basics, DNS, routing

SSL/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 probes

5. Messaging & Integration Technologies

Apache Kafka (topic design, consumer groups)

RabbitMQ or other AMQP brokers

JMS for legacy systems

Webhooks and event-driven integration patterns

6. Security & Compliance

Infrastructure integration is heavily tied to secure communication:

OAuth2 / OIDC

JWT management

Secrets management (Vault, AWS Secrets Manager)

API rate limiting, throttling, circuit breakers

7. 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 experience

SQL/NoSQL, CI/CD, containerization

Ability to work on-site in Woodlawn, MD

Bachelor’s degree

Preferred:

Prior federal agency experience (SSA, CMS, DHS, USDA, etc.)

AWS, Kafka, OpenShift

Why:

This role supports a program that has delivered stability, dignity, and protection to generations of Americans. It’s meaningful work with exceptional longevity.