Senior Python Backend Engineer (m/f/d)

Hays

📍 Vienna, Vienna, Austria

FULL_TIME Computer Occupations

Job Description

Senior Python Backend Engineer

(m/f/d)

Freelance/Contracting project Vienna Start date: asap Reference number: 880230/1

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Responsibilities

  • Develop and maintain backend web services for an AI-powered conversational system
  • Design and implement REST APIs (FastAPI or similar), including OpenAPI-based service contracts
  • Apply schema and data validation (, Pydantic or comparable approaches)
  • Ensure high code quality through testing (pytest) and CI pipelines
  • Collaborate via Git/GitHub workflows, including code reviews
  • Implement and maintain clean, layered backend architectures with dependency injection
  • Ensure observability through metrics, tracing, and structured logging
  • Support containerized deployments using Docker and Kubernetes
  • Contribute to LLM-based application components (, agent frameworks, prompt engineering, output ...
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