Data Scientist (Middle/Senior, Generative AI)

Join Kyivstar as a Data Scientist (Middle/Senior, Generative AI)Are you passionate about pushing the boundaries of AI and working on cutting-edge projects that make a real impact? Kyivstar, the leading telecom operator in Ukraine, is looking for a talented Data Scientist to join our team and drive innovation in Generative AI.
About the Project:As part of its AI transformation strategy, Kyivstar is investing in the integration of Generative AI into day-to-day processes and product development. One of the key directions of this strategy is building AI assistants and services powered by Big Data, Cloud, and AI technologies. You will play a crucial role in designing and implementing AI-driven solutions using advanced tools like Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) architectures.
Your Responsibilities:·        Build document parsing and data collection pipelines;·        Build data structures for AI assistants;·        Develop AI assistants;·        Fine-tune LLMs;·        Prepare development and deploy documentation for DevOps team;·        Plan project, explain approaches and discuss results / business impacts with customers.

Necessary skills:·        4+ year experience with Python (statistical, data mining, ML, DL, NLP packages);·        Strong Python skills with experience in writing scalable software modules;·        Fundamental knowledge of ML/DL theoretical concepts;·        Good knowledge of SQL and experience working with Relational Databases;·        Experience in NLP techniques, vector storages and semantic search;·        Hands-on experience with Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) architectures and Al-driven content generation (LangChain preferred);·        Experience in parsing and extracting data from unstructured and semi-structured documents (PDF, markdown, docx, etc.);·        Good understanding of RESTful APls and web-development basic skills;·        Proficiency in Git and Docker.

Would be a plus:·        Experience with speech-to-text, text-to-speech;·        Experience with DL models fine-tuning;·        Experience with Data Science within Telecom;·        Experience with PySpark;·        Experience with Azure/AWS.

Why Kyivstar?·        Work with vast datasets at one of the largest telecom operators in Ukraine;·        Gain hands-on experience with the latest Cloud technologies and tools;·        Engage in diverse tasks and projects that challenge and grow your expertise;·        Be part of a talented, collaborative, and innovative team of data scientists;·        Flexibility in tools and approaches, allowing you to explore and innovate.