Senior Python Backend Engineer — AI Banking APIs & LLM

Koderia; Wien; Vor Ort; EUR 65.000 - 85.000; Teilzeit

Zusammenfassung

Koderia is looking for a Senior Python Backend Engineer in Vienna to drive the development of an AI-powered conversational backend for a banking product. You will design and implement scalable backend services focused on high performance and security.

The ideal candidate will have deep expertise in modern Python, FastAPI, and experience in regulated fintech environments. This role offers a contract position with long-term project duration, starting July 20, 2026.

Qualifikationen

• Deep expertise in modern Python and advanced type hinting.
• Extensive production experience with FastAPI and Pydantic.
• Solid understanding of containerized environments using Docker and Kubernetes.
• Exceptional professional working English.

Aufgaben

• Design, build, and maintain scalable web services.
• Own OpenAPI service design with schema validation.
• Architect LLM-based application workflows.
• Lead testing strategies using pytest and CI/CD integration.
• Mentor team members on clean code practices.

Kenntnisse

Modern Python (3.12+)

Asynchronous programming with asyncio

FastAPI or similar frameworks

Docker and Kubernetes

Test-driven development (TDD)

Professional working English

Performance engineering

Data security

Jobbeschreibung

Koderia is looking for a Senior Python Backend Engineer in Vienna to drive the development of an AI-powered conversational backend for a banking product. You will design and implement scalable backend services focused on high performance and security.

The ideal candidate will have deep expertise in modern Python, FastAPI, and experience in regulated fintech environments. This role offers a contract position with long-term project duration, starting July 20, 2026.