Senior AI/ML Software Engineer – Language Models & Cloud Platforms

Unleash the power of AI — shape the future of financial innovation! Krakow-based opportunity with hybrid work model (up to 2 remote days per week). As a Senior AI/ML Software Engineer – Language Models & Cloud Platforms , you will be working for our client, a leading technology team developing flagship AI and ML projects within the Credit & Lending sector. You will play a key role in designing and deploying advanced language models and data-driven solutions that transform financial services. This is an excellent opportunity to contribute to cutting-edge innovations and accelerate your career in a dynamic environment. Your main responsibilities: Design, test, and optimize prompts for Large Language Models (LLMs) to ensure high-quality, reliable outputs for credit and lending use cases. Develop and implement sophisticated retrieval-augmented generation (RAG) solutions using vector databases to derive insights from complex financial data. Participate in the full lifecycle of AI solutions, from problem discovery and prototyping to deployment and maintenance. Apply AI best practices to promote fairness, transparency, and accountability in models and applications. Collaborate with cross-disciplinary teams, including engineers, product managers, and business stakeholders, to align technical development with strategic goals. Write, test, and maintain high-quality, reusable code utilizing cloud platforms such as Azure and GCP. Co-author technical solution architectures and oversee product operation in production environments. You're ideal for this role if you have: At least 3 years of experience in AI/ML software development, with a focus on language models and NLP. Strong proficiency in Python (3+ years) and Java. Hands-on experience with frameworks like FastAPI, Langchain, SpringDat, and knowledge of databases such as PostgreSQL, vector, and key-value stores (Redis). Familiarity with microservices architecture, API design, observability, containers, Kubernetes, and CI/CD tools (Jenkins, Azure DevOps, GCP Cloud Build). Practical experience working with LLM architectures, RAG, prompt engineering, and agentic systems. Knowledge of cloud environments (Azure, GCP), deep learning, NLP, and machine learning principles. Excellent communication skills in English (fluent level). It is a strong plus if you have: Experience with TDD, BDD. Understanding of domain-specific applications of large language models. Language Required for the role: Fluent English. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.