Regular AI/ML Developer (f/m/x)

We are looking for a skilled AI/ML Developer to join our dedicated team of engineers working on flagship AI and ML projects that are transforming the Credit and Lending landscape. In this role, you will collaborate closely with business stakeholders to deliver high-impact solutions in a fast-moving and innovative environment. If you are passionate about applying cutting-edge AI technologies to solve real-world financial challenges, we want to hear from you. Your tasks Designing, testing, and optimizing prompts for Large Language Models (LLMs) to achieve high-quality outputs for Credit & Lending use casesDeveloping and implementing sophisticated solutions using Retrieval-Augmented Generation (RAG) and vector databases to unlock insights from complex financial dataParticipating in the full lifecycle of our solutions, from problem discovery and prototyping to design, implementation, and production deploymentApplying AI best practices to ensure fairness, transparency, and accountability in all models and applicationsCollaborating with a cross-functional team of engineers, product managers, and business experts to align technical efforts with strategic goalsWriting and maintaining high-quality, testable, and reusable codeUtilizing cloud platforms (Azure, GCP) for the development, deployment, and scaling of AI modelsCo-authoring solution designs and architecture and maintaining products in production Requirements Minimum 3 years of experience in AI/ML developmentDeep expertise in Python and its frameworks, including FastAPI and LangChainStrong knowledge of PL/SQL and SQL databases, including PostgreSQLPractical experience with API design and microservices architectureUnderstanding of LLM architectures and practical experience with RAG and prompt engineeringFamiliarity with Kubernetes, CI/CD practices, and cloud platforms like Azure and GCPExperience in TDD and BDD methodologiesStrong communication and presentation skills in English, capable of explaining technical solutions to business stakeholdersAdvanced level of English Nice to have Experience with Java and Spring frameworkWorking from office in Cracow 6 times per month Job no. JOB-BK3M8 Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws. Benefits For You Great Place to WorkSolid financial situationContracts with the biggest brandsCentre of internal trainingsMany experts you can learn fromOpen and accessible management teamProfit sharingPassion Sponsorship programRegular integration events and tripsComfortable and well-equipped officesMySii appMedical care