Junior/Middle ML Engineer

Unidatalab is looking for a Machine Learning Engineer for part-time involvement (up to 20-30 h/week), familiar with LLMs, RAG, and backend development.

Responsibilities:

• Develop conversational flows using LLMs and RAG;
• Implement and serve APIs with FastAPI;
• Work with embeddings, semantic search, and LangChain;
• Collaborate in a fast-paced, practical AI product environment.

Requirements:

• 1-2 years of commercial experience in ML or AI;
• Strong Python skills and practical FastAPI experience;
• Understanding of LLMs, RAG concepts, and prompt engineering;
• Familiarity with REST APIs, JSON, and authentication;
• SQL and Docker experience;
• Knowledge of LangChain and embeddings is a plus;
• Upper Intermediate level of English.

Tech stack: Python, FastAPI, Docker, LLMs, RAG, LangChain, Embeddings, SQL, REST API.

About Us:

Unidatalab is a leading AI company from Ukraine, founded in 2019, with a strong research-driven team specializing in Generative AI, Conversational AI, SpeechTech, and Natural Language Processing.

We provide R&D services and build advanced tech solutions, including:

• Gen AI (chatbots, copilots, assistants, AI agents, LLM integrations);
• NLP (document-related automation);
• Speech/Voice AI (speech-to-text, text-to-speech, speech-to-speech, etc);
• Integration of ready-made products developed by our team.

We work with global clients across the US and European markets, helping them build AI solutions.