API-Driven Full-Stack Platform Engineer

openteams; Washington; Hybrid; USD 145,000 - 250,000; Full time

Job summary

OpenTeams seeks a Full-Stack Platform Engineer to build both sides of an AI platform—API surfaces and analyst-facing tooling. You will design and implement API-first services for workflow orchestration, data ingestion, evaluation, and results management, with identity federation and access controls across deployments.

The role emphasizes building stable interfaces for external integrators and producing documentation, reference implementations, and notebooks.

Qualifications

• U.S. citizenship and eligibility to obtain and maintain a U.S. security clearance.
• 5+ years of full-stack or backend engineering experience, with an emphasis on API-first services.
• Proficiency in Python, TypeScript, Go, or a comparable programming language.
• Experience designing, documenting, versioning, and maintaining REST or GraphQL APIs used by external teams or integrators.

Responsibilities

• Design, implement, document, and maintain APIs for workflow orchestration, data ingestion, evaluation execution, and results management.
• Define clear, stable, and versioned interface specifications for use by external integrators.
• Develop UI for analyst-facing tooling and web consoles to support workflow execution and results inspection.

Skills

API-first

Python

TypeScript/Go

Security clearance eligibility

5+ years experience

Tools

REST APIs

GraphQL

Job description

OpenTeams seeks a Full-Stack Platform Engineer to build both sides of an AI platform—API surfaces and analyst-facing tooling. You will design and implement API-first services for workflow orchestration, data ingestion, evaluation, and results management, with identity federation and access controls across deployments.

The role emphasizes building stable interfaces for external integrators and producing documentation, reference implementations, and notebooks.