Python AI Engineer

Python AI Engineer – pharmaceutical industry (f/m/x) Miejsce pracy: Toruń Technologies we use Optional Python AWS DynamoDB Docker About the project As part of a project within our client, the engineering platform has recently been expanded with a RAG as a Service module — a reusable component supporting applications that leverage Retrieval-Augmented Generation. This solution is highly complex, widely visible across the organization, and strategically important for upcoming technology initiatives. Join the project and contribute to the further development, stabilization, and maintenance of this solution. Your responsibilities Design, develop, test, and deploy a scalable and secure RAG service using Python and serverless AWS technologies Define and manage all required AWS infrastructure using the AWS Cloud Development Kit Implement robust pipelines for processing and embedding unstructured data (e.g., PDF, DOCX, HTML), making it ready for semantic search and retrieval Build and maintain a RESTful API for the service Maintain CI/CD pipelines (GitLab CI) Implement comprehensive monitoring and logging to track service health, performance, and cost. Proactively identify and resolve bottlenecks or issues Work closely with our cloud engineering, data science, and AI Platform teams to ensure seamless integration, operational excellence, and alignment with company-wide standards Focus on delivering value to business users Our requirements Over 5 years of professional software engineering experience with a focus on Python, including designing and building scalable, production-grade applications Minimum 3 years of hands-on experience with AWS (AWS Lambda, Step Functions, IAM, VPC, S3, DynamoDB, API Gateway, CloudFormation) Proven expertise building and managing high-volume RESTful APIs, with a strong understanding of best practices for performance and security Familiarity with Docker and building CI/CD pipelines A strong conceptual and practical understanding of GenAI concepts, particularly embedding models, vector search, and reranking algorithms. Practise with agentic or RAG-specific frameworks like LangChain or LlamaIndex Strong sense of ownership and a proactive approach to new tasks or any issues Excellent oral and written communication skills in both Polish and English Residing in Poland required Optional Experience within the Pharmaceutical and BioTech industry This is how we work on a project Continuous Deployment Continuous Integration What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People Recruitment stages Send your CV Talk to us about your expectations Learn more about our projects and choose the best Start your adventure with Sii Sii Sp. z o.o. Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment. Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.