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.

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.

·        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.

·        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.

·        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.

·        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.