Senior Python Engineer

SNI is serving as a trusted IT Outsourcing partner in line with the needs of World's most prestigious firms and carried out successful projects worldwide For one of our clients based in Europe, we are currently looking for a

• *Senior Python Engineer.
• *Details:
• Start date:

ASAP

• Contract Duration:

6 months with extension

• Remote work

with occasional on-site team sessions in Prague

• US hours overlap

: Min. 2–6 pm CET

• *Responsibilities:
• Design, develop, and maintain backend services and APIs using Python and modern frameworks such as FastAPI
• Build scalable data processing and integration solutions supporting enterprise tax platform functionalities
• Develop and maintain integrations with internal and external systems using REST APIs and event-driven architectures
• Implement AI-powered features including LLM integrations and Retrieval-Augmented Generation (RAG) pipelines
• Design and optimize database interactions using SQL Server and ORM tools
• Deploy and maintain applications in cloud environments, primarily on Microsoft Azure
• Implement event-driven processing patterns using cloud messaging services
• Debug, review and optimize AI-generated code and ensure high code quality
• *Skills:
• 5+ years of experience developing applications in
• *Python
• Strong expertise with Python and modern
• *API frameworks

(FastAPI or similar)

• Experience with SQL Server and ORM-based data access
• Experience designing and consuming
• *REST APIs
• Strong understanding of event-driven architectures and asynchronous processing
• Hands-on experience integrating LLM APIs and building GenAI-enabled applications
• Practical experience implementing Retrieval-Augmented Generation (RAG) solutions
• Experience with prompt engineering and structured LLM outputs
• Experience debugging and optimizing AI-generated code
• Cloud experience with
• *Microsoft Azure (App Services, Function Apps, Blob Storage, Kubernetes, Service Bus)

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