Python Backend Developer – AI & AWS

CLEEVEN; Neuenburg; Vor Ort; CHF 110.000 - 150.000; Vollzeit

Zusammenfassung

CLEEVEN is seeking a Python Backend Developer to contribute to an AI-powered knowledge management platform. You will build robust backend services and REST APIs using FastAPI, and implement AI agent workflows with LangGraph.

Work with AWS services (S3, DynamoDB, Bedrock), ensure secure inter-service communication, develop automated tests and Docker-based CI/CD pipelines, and review AI-generated code for reliability.

Qualifikationen

• Strong Python development experience with clean code, async programming and tests.
• Hands-on with FastAPI or similar backend framework.
• Solid REST API knowledge, authentication and service-to-service communication.
• Good knowledge of AWS, IAM, S3 and NoSQL databases.
• Experience with GitHub, PRs, code reviews and CI/CD pipelines.
• Familiarity with Docker and containerized applications.
• Ability to work from technical specifications and maintain high code-quality standards.

Aufgaben

• Develop and maintain Python backend services and REST APIs using FastAPI.
• Implement AI agent workflows and integrations using frameworks such as LangGraph.
• Build secure communication mechanisms between services and AI agents.
• Integrate document retrieval and search capabilities with AWS services.
• Work with AWS technologies such as S3, DynamoDB and Bedrock.
• Develop automated tests and contribute to Docker-based CI/CD pipelines.
• Review and improve AI-generated code to ensure maintainability, performance and reliability.
• Collaborate with architects and other developers to deliver production-ready solutions.

Kenntnisse

Python

FastAPI

REST APIs

AWS

CI/CD

Docker

Testing

Security/Auth

Ausbildung

Degree in Computer Science or related field

Tools

LangGraph

LangChain

OpenSearch

Bedrock

Kiro

Jobbeschreibung

CLEEVEN is a European consulting company founded on two fundamental beliefs:

• The excellence of European engineers should be a driver of global competitiveness.
• Our human mission is to support our consultants in their personal and professional development.

Project Context:

As part of our projects in Artificial Intelligence and enterprise software development, we are looking for a Python Backend Developer to contribute to the development of an AI-powered knowledge management platform.

The solution leverages AI agents and Retrieval-Augmented Generation (RAG) to retrieve and process information from large volumes of enterprise documents.

You will join a technical team working on a defined architecture, with a strong focus on backend development, code quality and reliable cloud-based services.

Your Responsibilities:

• Develop and maintain Python backend services and REST APIs using FastAPI.
• Implement AI agent workflows and integrations using frameworks such as LangGraph.
• Build secure communication mechanisms between services and AI agents.
• Integrate document retrieval and search capabilities with AWS services.
• Work with AWS technologies such as S3, DynamoDB and Bedrock.
• Develop automated tests and contribute to Docker-based CI/CD pipelines.
• Review and improve AI-generated code to ensure maintainability, performance and reliability.
• Collaborate with architects and other developers to deliver production-ready solutions.

Key Skills:

• Strong Python development experience, including clean code, asynchronous programming and automated testing.
• Hands-on experience with FastAPI or similar backend frameworks.
• Solid understanding of REST APIs, authentication and service-to-service communication.
• Good knowledge of AWS, particularly IAM, S3 and NoSQL databases.
• Experience with GitHub, pull requests, code reviews and CI/CD pipelines.
• Familiarity with Docker and containerized applications.
• Ability to work from technical specifications and maintain high code-quality standards.

Nice to Have:

• Experience with LangGraph, LangChain or similar AI agent frameworks.
• Understanding of RAG architectures, embeddings and vector databases.
• Familiarity with OpenSearch, AWS Bedrock or LangSmith.
• Experience using AI-assisted development tools such as Kiro or GitHub Copilot.

Your Profile:

• Degree in Computer Science, Software Engineering or equivalent experience.
• Proven experience developing and maintaining backend applications in production.
• Strong software engineering fundamentals and attention to code quality.
• Ability to work independently within an established technical architecture.
• Interest in AI technologies and willingness to learn new frameworks.
• Good communication skills and a collaborative mindset.