Senior AI/ML Backend Engineer – Large Language Models & RAG

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Description

Unleash innovation in AI — shape the future of Credit & Lending solutions! Kraków-based opportunity with hybrid work model. As a Senior AI/ML Backend Engineer, you will be working for our client, a leader in financial technology, developing cutting-edge AI-driven applications for Credit & Lending fields. You will contribute to building sophisticated models leveraging Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and cloud solutions, driving impactful innovations in financial services. Your main responsibilities: Design, test, and optimize prompts for LLMs to ensure high-quality outputs for Credit & Lending use cases. Develop and implement solutions using RAG and vector databases to extract insights from complex financial data. Participate in the full lifecycle of AI solutions, from problem discovery and prototyping to deployment and scaling. Apply AI best practices to promote fairness, transparency, and accountability across models and applications. Collaborate with cross-functional teams to align technical efforts with strategic business goals. Write and maintain high-quality, reusable, and testable code utilizing cloud platforms (Azure, GCP). Co-author solutions architecture and maintain products in production environments. You're ideal for this role if you have: 3+ years of experience in Python and Java development. Proficiency with frameworks like FastAPI, LangChain, and Spring. Strong knowledge of SQL (PostgreSQL), Vector Databases, and KV stores su

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