Senior AI Machine Learning Engineer (Agentic Systems & LLM Evaluation)

We are seeking a highly skilled Senior AI Machine Learning Engineer to lead the development of intelligent agentic systems and drive the evaluation of large language models (LLMs). In this role, you will collaborate with stakeholders to design and implement powerful agents, design robust evaluation frameworks, and contribute to advancing the effectiveness and reliability of AI systems. ResponsibilitiesBuild agentic systems tailored to various Software Development Lifecycle (SDLC) personas, translating requirements into actionable implementationsPartner closely with cross-functional teams to understand workflows and ensure alignment with stakeholder needsDesign and implement robust evaluation test cases for LLMs using LLMs as judges and deterministic methodologiesEvaluate model performance and ensure reliability using tools such as LangSmith, LangFuse, or MLFlowDevelop and fine-tune prompt frameworks to align LLMs with diverse agent requirementsUtilize programming expertise in Python and AI/ML frameworks to enhance agentic systems' capabilitiesMonitor, debug, and optimize AI systems’ performance using advanced testing and automation practicesLeverage modern SDKs like LangGraph or similar frameworks to efficiently build intelligent workflowsFoster continuous improvement by incorporating feedback, testing outcomes, and insights into future iterationsAct as a thought leader on AI testing standards, governance, and best practices in agentic system development Requirements3+ years of experience in AI engineering, with emphasis on LLMs and agentic systemsKnowledge of modern testing standards and practices applied to agentic systemsStrong programming and development skills in Python, with usage of AI/ML frameworks and librariesFamiliarity with evaluation and monitoring tools such as LangSmith, LangFuse, or MLFlowCompetency in using SDKs like LangGraph or similar frameworks for agentic system developmentUnderstanding of LLM concepts, including prompt engineering and fine-tuning methodologiesKnowledge of testing frameworks and automation tools for validating AI systemsAnalytical and problem-solving skills, with a focus on delivering reliable and effective solutionsProficiency in communication and collaboration, ensuring successful teamwork across rolesCapability to work independently, delivering high-quality AI solutions in a dynamic environmentExcellent written and spoken English (B2+ level) Nice to haveExperience writing agentic systems using SDKs like LangGraph or similar technologiesFamiliarity with evaluation tools such as LangSmith, LangFuse, or MLFlowUnderstanding of AI governance, safety, and ethical considerations in agentic systemsShowcase of enterprise-grade AI solutions with multiple integrations and workflows We offerWith us you can:Work on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in UkraineReceive the necessary equipment to perform your work tasksChange projects and technology stacks within EPAMGain experience in various business domains (Insurance, E-commerce, Healthcare, Finance, Travelling, Media, Artificial Intelligence, and more)Relocation opportunities may be available for eligible candidates, depending on the role and openings at other EPAM locationsParticipate in volunteer, charity programs and communities (both technical and interest-based)We focus on your professional growth:You can plan your individual career path together with your managerReceive regular feedback from colleaguesImprove your English for free with certified teachers (Speaking Clubs, client interview preparation courses, etc.)Get the opportunity to undergo free training and certification in AWS, GCP, or Azure CloudsUse the internal E-learn training program (18,200+ specialized training and mentoring programs)Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resourcesStudy at EPAM Solution Architecture School with the instructors who are practicing architectsDevelop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and moreParticipate in internal communities (500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually)What we offer:Vacation and sick leave (including a sick leave without a medical certificate)A wide range of Voluntary Medical Insurance programs providing both medical treatment and various preventive options (including sports activities)Medical insurance for family members at corporate ratesCompany support during significant life events (childbirth or adoption, marriage, etc.)Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic trainingE-kids program - a free programming language training program for EPAMers' children Kindly note that this role supports remote work, but only from within Ukraine. Kindly be advised that the set of benefits, including learning, certification, and other opportunities, may vary depending on the role you apply for. Our recruiter will be able to share more details about the specific opportunity during your general interview. EPAM strives to provide its global team of over 61,700 professionals in more than 55 countries with opportunities for professional growth from day one of collaboration. Our colleagues are the source of EPAM's success, so we value cooperation, strive to always understand our clients' business and aim for the highest quality standards. No matter where you are, you will join a dedicated, diverse community that will help you realize your potential to the fullest.