Lead AI Engineer

Quick Facts Role: Lead AI Engineer Focus: LLM-driven applications (chatbots, Q&A, agent workflows) Core themes: end-to-end AI development, data pipelines, evaluation, prototyping Description You will design, implement, and maintain LLM-powered AI applications and deliver tailored solutions in collaboration with clients. The role includes building data pipelines and prompt/dataset strategies, refining AI system performance, and conducting research and rapid prototyping to validate feasibility and business value. Responsibilities Design, implement, and maintain end-to-end AI applications, including chatbots, Q&A platforms, and agent workflows Collaborate directly with clients to understand their needs, identify opportunities, and recommend LLM-driven solutions Develop and manage robust data pipelines, prompt strategies, and datasets to improve AI model effectiveness Evaluate and refine AI system performance to ensure outputs are accurate, secure, scalable, and compliant with industry regulations Conduct research and rapid prototyping to validate technical feasibility and demonstrate business value Stay current with evolving LLM technologies, frameworks, and methodologies Requirements Strong proficiency in Python Experience with web frameworks such as FastAPI (or similar) Understanding of the AI application development lifecycle Experience with rapid UI prototyping using Streamlit, Gradio, or similar frameworks Familiarity with major LLM platforms and APIs: OpenAI, Anthropic, Amazon Bedrock, Gemini Knowledge of related frameworks: LangGraph, LlamaIndex, Strands Agents (or similar) Experience with advanced AI integration patterns such as RAG and Agents Proven experience deploying AI solutions at scale (performance, cost-efficiency, maintainability) Ability to evaluate generative AI quality using retrieval/classification metrics and LLM-based evaluation methods Proven AI engineering experience delivering ML-based solutions Strong problem-solving skills and attention to detail Excellent communication, collaboration, and interpersonal skills Benefits Stable pay Employee Stock Purchase Plan with a 15% discount Benefits package: health insurance, Multisport, shopping vouchers Referral bonuses up to $2,000 Career development programs, mentoring, and soft-skills/well-being programs Certifications (Anthropic, Gemini, GCP, Azure, AWS) and English classes Hybrid work model with opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually and business-driven relocation opportunities Office perks and social events (entertainment/relaxation zones, table tennis/football, free snacks and coffee)