IT - Software Developer IV

Job Title: Senior Software Developer - Java Microservices (AWS & Kubernetes)
Location: Remote
Duration: 6 Months

Salary Range: $50.00 - $52.00/Hour on W2 (Without Benefits).
Applicants must be willing to work on W2.

Job Description:

• The Microservices Developer will be responsible for designing, building, and maintaining scalable backend services that power the platform's RESTful APIs.
• This role involves developing production-grade microservices using Java 21 and Java 25, implementing clean and consistent API contracts, and ensuring secure, reliable integration with internal and external systems.
• The developer will collaborate closely with product, architecture, and QA teams to deliver high-quality releases, support deployment and validation in staging and production, and troubleshoot issues across distributed environments.
• Over time, the developer will drive improvements in service performance, resiliency, and observability while contributing to shared engineering standards, reusable components, and automation across the microservices ecosystem. Strong problem-solving skills, clear communication, and a commitment to continuous improvement are essential for success in this role.

Responsibilities:

• Design, build, and maintain Spring Boot microservices using Java 21 and Java 25.
• Create and evolve RESTful APIs with clear contracts, versioning, and backward compatibility.
• Implement input validation, error handling, idempotency, and standardized response models.
• Integrate services with on-prem and AWS-hosted databases during migration phases.
• Plan and execute data-access changes to support hybrid connectivity (on-prem to AWS) safely.
• Optimize database interactions, including query tuning, connection pooling, and transaction boundaries.
• Containerize services and maintain production-ready Docker images.
• Deploy and operate services on Kubernetes with health probes, resource limits, and autoscaling.
• Build and maintain CI/CD pipelines for build, test, security scan, and deployment automation.
• Implement secure service-to-service and client authentication/authorization.
• Manage secrets and configuration using AWS-native and Kubernetes-native approaches.
• Add observability: structured logging, metrics, distributed tracing, dashboards, and alerting.
• Troubleshoot incidents across application, container, cluster, network, and database layers.
• Improve resiliency with retries timeouts, circuit breakers, and graceful degradation patterns.
• Participate in migration planning from on-prem infrastructure and data stores to AWS.
• Support release validation in staging and production, including rollback readiness.
• Write and maintain unit, integration, contract, and performance tests.
• Address vulnerabilities by upgrading dependencies and remediating CVEs in application libraries.
• Collaborate with QA, platform, security, and architecture teams on standards and best practices.
• Document APIs, operational runbooks, and service ownership responsibilities.

Additional Required Skills/Experience:

• A minimum of Eight (8) years' relevant experience.
• A degree from an accredited College/University in the applicable field of services is required.
• If the individual's degree is not in the applicable field, then four additional years of related experience is required.
• Typically performs all functional duties independently.
• Note: Special credentials (licenses and/or certifications) may be required at the Task Order level on a case-specific basis.

Additional Provisions:

• Pass both a client mandated clearance process to include drug screening, criminal history check and credit check.
• Once candidate's resume is approved and interview passed, the agency is responsible for providing drug screening.
• Failure to submit the drug screening results will delay the security clearance process.
• If a candidate is given an interim clearance, continuation of employment is then based on the candidate receiving a sensitive clearance.
• All candidates must be a US Citizen or have permanent residence status (Green Card).
• Candidate must have lived in the US for the past 5 years.
• Cannot have more than 6 months travel outside the United States within the last five years. Military Service excluded. (Exception does not include military family members.)
• All overtime must be pre-approved in writing by the client manager or his/her designated representative.
• Agency will not be reimbursed for overtime charges without previous written authorization. Authorized overtime will be reimbursed at straight time.
• The enforced dress code is business casual, i.e. collared shirt with slacks for men, no skirts above the knee for women.

Place and Period of Performance/Hours of Support:

• The standard work week for contract staff will be 5 days a week and 8 hours per day preferable Monday through Friday.
• Contract staff may be required to travel to support business efforts.