apsa personnel concepts gmbh
Softwareentwickler/in
Bezirk: Wien(Stadt)
Start 10.06.2026
Vienna or Prague
Our client is an established company working on the development of a modern, AI-powered platform for conversational applications. The focus is on scalable backend systems, production-ready engineering, and the highest quality standards in a demanding, regulated environment. To further expand the team, we are looking for an experienced Senior Python Backend Engineer to actively contribute to innovative AI solutions.
Your Responsibilities:
* Development and further enhancement of backend web services for an AI-based conversational system
* Design and implementation of REST APIs (e.g., using FastAPI)
* Creation of OpenAPI-based service designs as well as implementation of schema and data validation
* Implementation of automated tests with pytest and maintenance of CI/CD pipelines
* Collaboration via Git/GitHub, including code reviews
* Ensuring high software quality and modern engineering standards
* Contributing to LLM-based applications (e.g., agent frameworks, prompt engineering)
* Evaluation and optimization of model output quality
* Implementation of observability practices (logging, tracing, metrics)
* Working in containerized environments with Docker and Kubernetes
* Applying clean architecture and dependency injection
Your Profile:
* Several years of experience as a Senior Python Backend Engineer
* Strong knowledge of Python (3.12+), including typing and asynchronous programming
* Experience with modern web frameworks such as FastAPI
* Knowledge of schema validation, e.g., with Pydantic
* Hands-on experience in testing (pytest) and with CI/CD processes
* Confident handling of Git/GitHub workflows and code reviews
* Good understanding of software architecture and scalable systems
* Experience with Docker and Kubernetes
* Knowledge in the area of observability (logging, tracing, monitoring)
* Experience with LLM applications, prompt engineering, or agent frameworks is a plus
* Experience in regulated or enterprise environments is a plus
* Very good English skills, both written and spoken
What You Can Expect:
* Permanent employment contract in a stable corporate environment
* Hybrid working model with two days on-site per week
* Work locations: Vienna (Austria) or Prague (Czech Republic)
* Contributing to innovative AI technologies and modern backend architectures
* An international, technologically challenging work environment with plenty of creative freedom
Wir freuen uns auf Ihre aussagekräftige Bewerbung unter folgendem Link:
https://www.apsa.at/jobs/senior-python-backend-engineer-f-m-x/
Job ID
3542
Ansprechpartner/In
Stefan Hilgner
E-Mail
[email protected]
Telefon
+ 43 1 934 66 86 685
apsa
all people shall advance
Neubaugasse 43/4, 1070 Vienna
Our client is an established company working on the development of a modern, AI-powered platform for conversational applications. The focus is on scalable backend systems, production-ready engineering, and the highest quality standards in a demanding, regulated environment. To further expand the team, we are looking for an experienced Senior Python Backend Engineer to actively contribute to innovative AI solutions.
Your Responsibilities:
* Development and further enhancement of backend web services for an AI-based conversational system
* Design and implementation of REST APIs (e.g., using FastAPI)
* Creation of OpenAPI-based service designs as well as implementation of schema and data validation
* Implementation of automated tests with pytest and maintenance of CI/CD pipelines
* Collaboration via Git/GitHub, including code reviews
* Ensuring high software quality and modern engineering standards
* Contributing to LLM-based applications (e.g., agent frameworks, prompt engineering)
* Evaluation and optimization of model output quality
* Implementation of observability practices (logging, tracing, metrics)
* Working in containerized environments with Docker and Kubernetes
* Applying clean architecture and dependency injection
Your Profile:
* Several years of experience as a Senior Python Backend Engineer
* Strong knowledge of Python (3.12+), including typing and asynchronous programming
* Experience with modern web frameworks such as FastAPI
* Knowledge of schema validation, e.g., with Pydantic
* Hands-on experience in testing (pytest) and with CI/CD processes
* Confident handling of Git/GitHub workflows and code reviews
* Good understanding of software architecture and scalable systems
* Experience with Docker and Kubernetes
* Knowledge in the area of observability (logging, tracing, monitoring)
* Experience with LLM applications, prompt engineering, or agent frameworks is a plus
* Experience in regulated or enterprise environments is a plus
* Very good English skills, both written and spoken
What You Can Expect:
* Permanent employment contract in a stable corporate environment
* Hybrid working model with two days on-site per week
* Work locations: Vienna (Austria) or Prague (Czech Republic)
* Contributing to innovative AI technologies and modern backend architectures
* An international, technologically challenging work environment with plenty of creative freedom
Wir freuen uns auf Ihre aussagekräftige Bewerbung unter folgendem Link:
https://www.apsa.at/jobs/senior-python-backend-engineer-f-m-x/
Job ID
3542
Ansprechpartner/In
Stefan Hilgner
[email protected]
Telefon
+ 43 1 934 66 86 685
apsa
all people shall advance
Neubaugasse 43/4, 1070 Vienna
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