Master AI Engineer (CX)

We're looking for Master AI Engineer - a hybrid role blending the deep technical expertise of a Senior Software Engineer with the analytical and model-development skills of a Data Scientist. You will work at the intersection of cloud-native software engineering, machine learning, and generative AI.

The project focuses on enhancing business processes through the use of artificial intelligence and advanced technologies. It enables intelligent data handling and supports automated decision-making. Built with modern, high-performance solutions, it ensures efficiency, security, and scalability.

• 6+ years of experience in software engineering and/or Data Scientist/AI Specialist roles.
• Proficiency in Python (knowledge of vanilla JavaScript or Java.is a plus).
• Strong experience with relational databases (PostgreSQL etc.) and key-value stores (Redis).
• Deep knowledge of cloud platforms (AWS, Azure, or GCP), including services for compute, storage, and AI workloads.
• Familiarity with event-driven architectures, RESTful APIs, and asynchronous processing.
• Experience with containerization (Docker/Podman) and orchestration (Kubernetes).
• Good foundation in machine learning, NLP, and deep learning, including experience with Transformers (Hugging Face, spaCy).
• Experience with LLMs, fine-tuning (LoRA/QLoRA), and prompt engineering techniques.
• Experience in working with open-source foundation models (LLaMA, Mistral, etc.).
• Ability to extract actionable insights from large datasets using statistical methods and visualization.
• Experience with CI/CD tools (e.g., GitHub Actions) and software delivery best practices.
• Strong problem-solving skills and the ability to navigate complex, ambiguous environments.
• English proficiency at B2+/C1 level.

• Location: Hybrid in Warsaw; 
• Long-term cooperation (2+ years);
• Type of contract: B2B; 

What we offer:

• Access to local and international projects - Clients from France, Germany, Portugal, UK and Benelux.
• Professional development support -trainings, technical certificates, conference participation, foreign language classes and soft skills trainings are subsidized up to 2 000 PLN.
• Bonus for recommending Candidates from 6 000 to 10 000 PLN.
• Fully paid Medicover healthcare card.
• Wellbee platform access
• Multisport card.
• Regular integration events and gifts.
• Mobility Program.
• Long term cooperation.

If You applied for this position the Controller of your personal will be  ACT DIGITAL POLSKA Sp. z o.o., with its registered office at Przyokopowa 31, 01-208 Warsaw. The personal data provided by you will be processed for the purpose of the recruitment process and for future recruitment processes. You will have the right too choose one or both options on next page.

You have the right to access the content of your data, request their rectification, erasure, restriction of processing, the right to data portability, the right to object to the processing of your data and the right to lodge a complaint to the President of the Personal Data Protection Office.