Lead AI Engineer w Łódź, Polska

We are seeking a Lead AI Engineer to design and develop comprehensive AI applications, including chatbots and agent workflows. You will work closely with clients to deliver tailored LLM-driven solutions that align with their business needs. Your role involves creating and managing data pipelines, refining AI system performance, and staying informed on the latest LLM technologies and frameworks. Join us to advance your career by solving complex AI challenges and delivering impactful solutions. Responsibilities Design, implement, and maintain end-to-end AI applications, including chatbots, Q&A platforms, and agent workflowsCollaborate directly with clients to understand their needs, identify opportunities, and recommend LLM-driven solutionsDevelop and manage robust data pipelines, prompt strategies, and datasets to ensure effective and accurate AI models (Will be +)Evaluate and refine AI system performance, ensuring outputs are accurate, secure, scalable, and compliant with industry regulations (Will be +)Conduct research and rapid prototyping to validate technical feasibility and demonstrate the business value of AI solutionsStay current with evolving LLM technologies, frameworks, and methodologies to continuously improve solutions and client outcomes Requirements Strong proficiency in Python, experience with web frameworks like FastAPI or similarUnderstanding of the AI application development lifecycleExperience with rapid UI prototyping using Streamlit, Gradio, or similar frameworksFamiliarity with major LLM platforms and APIs (OpenAI, Anthropic, Amazon Bedrock, Gemini) and related frameworks (LangGraph, LlamaIndex, Strands Agents, etc.)Knowledge of advanced AI integration patterns (e.g., RAG, Agents)Experience deploying AI solutions at scale, with considerations for performance, cost-efficiency, and maintainabilityProven ability to evaluate generative AI quality using metrics such as retrieval and classification scores, as well as LLM-based evaluation methodsProven experience in AI engineering and delivering ML-based solutionsStrong problem-solving skills and attention to detailExcellent communication, collaboration, and interpersonal skills Nice to have Experience designing experiments, conducting A/B tests, and iterating on models based on user feedbackUnderstanding of retrieval systems (keyword search, vector search, embeddings) and ranking algorithmsFamiliarity with emerging protocols such as MCP, A2A, ACP, https://jobeax.com/link/9S1UHrfZzeNCLRXn deploying to cloud AI platforms (Azure OpenAI, Amazon Bedrock, GCP Vertex AI) or on-premise solutions (e.g., vLLM)Experience with enterprise AI platforms such as AWS AgentCore or Databricks AgentBricks or Google Agents Space, or Azure AI FoundryExperience with observability and monitoring tools and frameworks We offer We gather like-minded people:Top tech minds driving innovation in AI, cloud and digital platform modernizationSupportive team and agile, startup-like cultureHybrid by design mode and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Career development programsThought leadership, mentoring, soft skills and well-being programsCertification (Anthropic, Gemini, GCP, Azure, AWS)English classesWe cover it all:Stable payParticipation in the Employee Stock Purchase Plan with a 15% discountBenefits package (health insurance, multisport, shopping vouchers)Referral bonuses up to $2,000Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and moreCorporate, social and well-being eventsPlease, note:Benefits listed above are available to employees onlyWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individuallyWe will reach out to selected candidates exclusively EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.