Senior AI Engineer

We are looking for a hands-on AI Engineer to design, build, and maintain conversational AI agents in cloud environments. The role includes enabling interactions via voice, chat, email, or APIs, connecting AI to corporate systems and external models, and implementing evaluation and feedback mechanisms to ensure continuous improvement. Strong Python and Python ML skills are required, along with experience in agentic frameworks and cloud infrastructure. Responsibilities Develop and launch scalable conversational AI systems that operate across multiple channels, including chat, voice, email, and APIsArchitect microservices and asynchronous systems for AI applications, ensuring high availability and performanceUse Python to implement orchestration and decision logic — the control layer that manages tools, workflows, and system interactionsOptimize AI models through fine-tuning and LoRA integration, making data-driven decisions between different approaches (FT vs RAG)Establish prompt engineering libraries and define evaluation protocols for prompt performanceDesign monitoring and evaluation frameworks, including dashboards, metrics, and human-in-the-loop feedback loops to maintain model quality and trustWork with data specialists to design pipelines for collecting, cleaning, and structuring information for AI agentsDesign CI/CD pipelines, container standards, and cloud strategies for infrastructure migrations, cost optimization, and high availability Requirements Strong background in Python, mainly for hooking up AI models, automating stuff, and handling orchestration logic1–2 years of hands-on experience with Generative AI and large language models (LLMs)Practical experience in machine learning engineering: data preparation, working with vector databases in the cloud, and training/optimizing modelsStrong backend and frontend architecture experienceDeep understanding of ML evaluation, tuning, and prompt engineeringExperience working with cloud platforms such as AWS, GCP, or Azure, including container orchestration and CI/CD pipelinesExperience with agentic frameworks (LangChain, LangGraph) and multi-agent system designComfort with ML frameworks such as TensorFlow, PyTorch, or Scikit-learn is a plus 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 global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.