AI/ML Developer - Generative AI (f/m/x)

AI/ML Developer – Generative AI (f/m/x)

Miejsce pracy: Lublin

Technologies we use

Expected

• NLP tools
• GenAI
• Python
• AWS
• Microsoft Azure
• Google Cloud Platform

Optional

• LLM
• RAG
• MLOps

About the project

You will join a team building advanced AI-driven solutions for a global organization operating in the legal, tax, and regulatory information sector. In this role, you will be developing and implementing machine learning models and generative AI systems to solve real-world business problems.

Working alongside experienced professionals, you will be designing experiments, building scalable solutions, and contributing to cutting-edge AI systems, including those based on large language models (LLMs).

Your responsibilities

• Designing and developing generative AI solutions, e.g., deep learning, transformer architectures, dense retrieval, hybrid search
• Building and optimizing LLM-based systems, including Retrieval-Augmented Generation (RAG) solutions
• Developing and enhancing agentic AI systems, including tool-using agents
• Implementing and evaluating machine learning and AI models, including designing experiments and analyzing results
• Collaborating with cross-functional teams to deploy solutions into production environments
• Developing and maintaining ML pipelines and integrating models within cloud environments

Our requirements

• Minimum 5 years of experience in AI/ML
• Experience in generative AI, e.g., deep learning, transformers, vector databases, and retrieval systems
• Strong programming skills in Python and experience with modern ML frameworks, e.g., PyTorch, JAX, DeepSpeed, or similar
• Hands-on experience with cloud platforms (AWS, Azure, or GCP)
• Experience implementing and evaluating large language model (LLM) solutions, including familiarity with evaluation frameworks, e.g., OpenAI Evals, HELM, LM Harness, or custom tools
• Previous work with RAG, tool-using agents, and agentic AI approaches (prompt engineering, context management, evaluation)
• Fluent English
• Residing in Poland required

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.