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.

Responsibilities

• Build agentic systems tailored to various Software Development Lifecycle (SDLC) personas, translating requirements into actionable implementations
• Partner closely with cross-functional teams to understand workflows and ensure alignment with stakeholder needs
• Design and implement robust evaluation test cases for LLMs using LLMs as judges and deterministic methodologies
• Evaluate model performance and ensure reliability using tools such as LangSmith, LangFuse, or MLFlow
• Develop and fine-tune prompt frameworks to align LLMs with diverse agent requirements
• Utilize programming expertise in Python and AI/ML frameworks to enhance agentic systems' capabilities
• Monitor, debug, and optimize AI systems’ performance using advanced testing and automation practices
• Leverage modern SDKs like LangGraph or similar frameworks to efficiently build intelligent workflows
• Foster continuous improvement by incorporating feedback, testing outcomes, and insights into future iterations
• Act as a thought leader on AI testing standards, governance, and best practices in agentic system development

Requirements

• 3+ years of experience in AI engineering, with emphasis on LLMs and agentic systems
• Knowledge of modern testing standards and practices applied to agentic systems
• Strong programming and development skills in Python, with usage of AI/ML frameworks and libraries
• Familiarity with evaluation and monitoring tools such as LangSmith, LangFuse, or MLFlow
• Competency in using SDKs like LangGraph or similar frameworks for agentic system development
• Understanding of LLM concepts, including prompt engineering and fine-tuning methodologies
• Knowledge of testing frameworks and automation tools for validating AI systems
• Analytical and problem-solving skills, with a focus on delivering reliable and effective solutions
• Proficiency in communication and collaboration, ensuring successful teamwork across roles
• Capability to work independently, delivering high-quality AI solutions in a dynamic environment
• Excellent written and spoken English (B2+ level)

Nice to have

• Experience writing agentic systems using SDKs like LangGraph or similar technologies
• Familiarity with evaluation tools such as LangSmith, LangFuse, or MLFlow
• Understanding of AI governance, safety, and ethical considerations in agentic systems
• Showcase of enterprise-grade AI solutions with multiple integrations and workflows

Benefits

With us you can:

• Work on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in Ukraine
• Receive the necessary equipment to perform your work tasks
• Change projects and technology stacks within EPAM
• Gain 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 locations
• Participate 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 manager
• Receive regular feedback from colleagues
• Improve 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 Clouds
• Use the internal E-learn training program (18,200+ specialized training and mentoring programs)
• Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resources
• Study at EPAM Solution Architecture School with the instructors who are practicing architects
• Develop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and more
• Participate 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 rates
• Company support during significant life events (childbirth or adoption, marriage, etc.)
• Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic training
• E-kids program - a free programming language training program for EPAMers' children