CONTINGENT - Senior Full-Stack Engineer Fully Remote - US

RESOURCE METRIX

CONTINGENT - Senior Full-Stack Engineer

Full Time • Fully Remote - US
Responsive recruiter
Benefits:
  • Bonus based on performance
  • Competitive salary
  • Paid time off
Client Summary:
Internal Revenue Service (IRS) — Unified Application Programming Interface (UAPI) Program. UAPI modernizes IRS data access with secure APIs integrating legacy systems, modern databases, and AI/ML workflows. Work is primarily remote with limited on-site needs in Lanham, MD; Washington, DC; Ogden, UT; and Farmers Branch, TX.

Eligibility & Suitability: U.S. citizen or Lawful Permanent Resident (position risk level dependent). Must pass IRS contractor staff‑like access screening: RAC, fingerprints (USAccess), eAPP (as needed), tax compliance check, Selective Service (males born after 12/31/1959), Security Awareness Training/UNAX, and role‑based cybersecurity training. Work involves SBU/FTI and requires adherence to IRM 10.5/10.8, Publication 4812, encryption, incident reporting (CSIRC/TIGTA), and Section 508 documentation/support.

Position Summary:
Lead the design, architecture, and delivery of enterprise-grade APIs for IRS UAPI. Architect REST/GraphQL/gRPC services, enforce standards such as OAuth/JWT, contribute to modernization of legacy systems, and support observability.

Responsibilities:
- Architect and implement full-stack API solutions.
- Enforce enterprise API standards including versioning and authentication.
- Collaborate with Data and AI engineers on ALC workflows.
- Ensure observability with Datadog/New Relic/Prometheus.

Qualifications:
- 5–8+ years of full-stack engineering.
- Strong in React/Angular/Vue and Node.js/Java/Python.
- Experience building microservices with Docker/Kubernetes.
- Experience with REST/GraphQL/gRPC and OAuth/JWT.
 

This is a remote position.

Compensation: $125,000.00 - $150,000.00 per year




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