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Resource Metrix · 1 day ago

CONTINGENT - Full-Stack Engineer SNR UAPI

Washington , DC 20224

Full-time

Hybrid

Senior Level

$135K/yr - $155K/yr

7+ years exp

Resource Metrix is a consulting firm specializing in management and technology services for federal agencies. They are seeking a Senior Full-Stack Engineer to lead API-first modernization for the IRS UAPI, focusing on architecting and delivering secure, scalable services while integrating legacy systems and modern workflows.

Information TechnologyManagement ConsultingSoftware Engineering

No H1B

U.S. Citizen Only

Responsibilities

Own end-to-end architecture/design for enterprise APIs and microservices

Define API standards (specs, versioning, auth, error budgets) and governance

Build React/Angular frontends and Node/Java/Python backends; automate tests

Implement CI/CD, containerization, and IaC; maintain traceability and ADRs

Establish synthetic monitoring and SLOs; drive weekly performance dashboards

Coordinate readiness reviews, Section 508 documentation, and operational handoffs

Qualification

Full-stack engineeringAPI designMicroservicesContainerizationObservability toolsCI/CDReact/AngularNode.js/Java/PythonIRS/federal experienceFISMA/NIST 800-53FedRAMPSection 508