Python Developer

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Vienna, Austria

2 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English

Experience level

Intermediate

Compensation

€ 90K

Job location

Vienna, Austria

Tech stack

JavaScript

Artificial Intelligence

Amazon Web Services (AWS)

Automation of Tests

Azure

Software Bug Management

Cloud Computing

Software Quality

Continuous Integration

DevOps

Python

PostgreSQL

MongoDB

Node.js

OAuth

Redis

Conversion Tracking

Service-Oriented Architecture

Chatbots

Large Language Models

Prompt Engineering

Backend

Kotlin

Pytest

Containerization

AI Platforms

Kubernetes

Mocha

Docker

Job description

Vienna Start (lenght) 5/2026 (12m) Contract Contract via CP Home office 80% Monthly 6 400 EUR Interview dates

I'm seeking a Python Developer, who will maintain a Node.js (Express/Koa) backend, ensuring stability and performance, while helping build a Python-based LLM orchestration platform. Work includes LangChain, prompt engineering, CI/CD, Docker, and cloud (AWS/Azure/GCP). The role transitions toward full AI development. Strong Python, backend systems, and LLM experience required.

Project

building and transitioning a conversational AI feature for a digital banking platform
maintaining and stabilising an existing Node.js backend in the short to mid-term (bug fixes, minor enhancements, reliability improvements)
ensuring ongoing stability and performance of production backend services in a regulated environment
contributing to the design and development of a new Python-based orchestration layer for conversational AI
working with LLM APIs, prompt engineering, and orchestration frameworks such as LangChain
supporting integration of large language models into production-ready systems
gradually transitioning from legacy Node.js services to a Python/AI-focused architecture
participating in system design and technical decision-making for the AI platform
engaging in an initial maintenance-focused role with a planned shift toward full-time AI development (Python/LLM stack), Detailed settings Privacy - Cookies setting

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