Staff AI Engineer (LLM)

Tidio Poland is hiring for a Staff AI Engineer role focused on large-scale production LLM architectures and NLP/deep learning solutions. The position involves building and maintaining LLM-powered production systems and working closely with clients for long-term product development and scaling.

• At least 6 years of experience in ML / AI engineering
• Experience designing large-scale, production LLM architectures
• Proven experience designing and deploying end-to-end NLP and deep learning solutions in production environments
• Hands-on experience building LLM-powered production systems (e.g. GPT, Claude, Gemini), including prompt engineering, evaluation, fine-tuning, and user-facing integrations
• Proficiency in Python with experience building and maintaining reliable production services and data pipelines
• Strong software engineering mindset, including code quality, testing, scalability, and production deployments
• Experience building RESTful APIs (FastAPI, Flask) to expose ML/LLM capabilities
• Curiosity and commitment to continuous learning in the NLP/LLM/AI space
• Collaborative team-player with strong communication skills

• Designing, implementing, and deploying end-to-end NLP and deep learning systems
• Building LLM-powered applications that interact with real users
• Developing and maintaining production Python services
• Exposing models and pipelines via REST APIs (FastAPI, Flask)
• Working on retrieval models and techniques (RAG, embeddings, ranking)
• Evaluating, monitoring, and continuously improving model and system quality
• Scaling systems to handle enormous volumes of requests
• Driving technical direction and mentoring other engineers