Senior Machine Learning Engineer (NLP/LLMs)

Tidio is a customer service platform that integrates AI and human interaction to help businesses scale efficiently while maintaining trust. It is a leading provider of conversational chatbot solutions, impacting thousands of companies and millions of users globally. Their ML team developed an AI agent named Lyro, and the company received a 10 million PLN grant for fine-tuning generative open-source models on their data. Tidio currently employs over 150 people and is rated highly on platforms like Shopify and G2.

• 4+ years of experience building end-to-end NLP and deep learning models in production environments, including systems leveraging LLMs (e.g., Claude, GPT, Gemini) interacting with real users
• Expert knowledge of Python
• Hands-on experience with asynchronous Python and REST API services such as FastAPI and Flask
• Solid understanding of machine learning concepts with experience evaluating, versioning, and managing models and prompts in production
• Strong software engineering skills and experience deploying models to production
• Passion and drive for self-development and staying updated with latest trends and publications in the field
• Team-player mindset
• Fluent English communication skills

Nice to have:

• Experience with PyTorch, huggingface, and common ML frameworks
• MLOps experience

• Work on Lyro, an advanced RAG AI agent built on Claude and Gemini models
• Develop custom tools, multi-step user guidance, and product access features for Lyro
• Enable Lyro to access company policies and learn continuously from data and interactions
• Develop and enhance AI-powered tools such as Ticket-Optimized Lyro, Lyro AI bundle, Multi-Agent Workflow Systems, and Agentic Product Intelligence
• Build ML systems for Knowledge Base Management AI to maintain data quality
• Create an AI Onboarding Assistant to help users with Tidio features
• Design a Context Optimization Engine to intelligently determine data sources and tools for the LLM based on conversation context

One of Tidio's core values is equal treatment of all candidates. The company does not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, or disability status, and recruitment is based only on individual merit and professional qualifications.