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Senior AI Back-End Engineer

VirtualVocations
Full Timesenior
Portsmouth, Virginia, USPosted April 7, 2026

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PythonFastAPIREST

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Job Description

A company is looking for a Senior Software Engineer - AI.

Key Responsibilities

Design and scale async REST / WebSocket APIs using Python 3.11+ and FastAPI

Implement multi-agent workflows and integrate LLM providers for A / B and cost-aware routing

Maintain robust CI / CD processes and instrument services with observability metrics

Required Qualifications

5+ years of experience building production APIs in Python; 2+ years with FastAPI or similar async stack

Deep knowledge of async I / O, Pydantic v2, and observability

Hands-on experience with Semantic Kernel or comparable agent frameworks

Strong skills in Postgres, including SQLModel / SQLAlchemy 2 and Alembic migrations

Experience with LLM APIs and dependency management via Poetry

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