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I am currently supporting an international project and looking for an experienced Python Developer – AI Agent Services (contractor, freelancer).
The project focuses on building an AI-powered enterprise knowledge platform, leveraging multi-agent RAG architectures to process complex scientific, regulatory and business information.
We are looking for a strong Python Developer who can implement reliable, scalable backend services and AI agent workflows, working alongside an experienced Solution Architect.
Develop and maintain Python agent services and FastAPI backends
Implement multi-agent workflows using LangGraph
Build secure agent-to-agent (A2A) communication and REST APIs
Implement RAG pipelines, hybrid search and document retrieval using OpenSearch Serverless
Integrate AWS services including DynamoDB, S3 and Bedrock AgentCore
Ensure observability through LangSmith tracing
Develop automated tests and maintain containerized CI/CD pipelines
Review and optimize AI-generated code using Kiro, ensuring clean and maintainable architecture
Candidate profile
Required skills
Strong hands-on experience in Python (3.12+), including asynchronous programming and automated testing
Proven experience developing FastAPI or similar REST API services
Solid understanding of API design, authentication and service-to-service communication
Good knowledge of AWS (IAM, S3, DynamoDB or equivalent NoSQL)
Experience with GitHub, GitHub Actions, Docker and CI/CD
Strong software engineering practices, code reviews and maintainable code design
Experience with spec-driven development using Kiro
Excellente command of english (min. C1)
Nice to have
Experience with LangGraph or AI agent orchestration frameworks
Knowledge of RAG, embeddings and hybrid search
Familiarity with OpenSearch Serverless, A2A and SigV4
Experience with AWS Bedrock AgentCore and LangSmith
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Python Developer – AI Agent Services
Westhouse Schweiz AG