Principal Forward Deployed Engineer (relocation to Hungary)

Responsibilities

• Design, build and ship end-to-end AI-native systems including agents, workflows, RAG and integration harnesses
• Write production-grade Python code for integrations, APIs, data access and deployment
• Work directly with subject matter experts and end-users through interviews, user acceptance testing and workflow observations
• Engage early in projects to shape use cases and check technical feasibility
• Build evaluation pipelines and use them to prove system utility
• Design for failure in the agent loop by implementing retries, model fallbacks, cost limits and human-in-the-loop actions
• Capture domain expertise and repeatable workflows to ensure success across engagements. Troubleshoot and resolve technical challenges in collaboration with the broader team
• Ensure adherence to engineering excellence standards including test-driven development and continuous integration practices

Requirements

• 7+ years of software engineering experience with a strong track record of building production AI and LLM applications
• Expert-level Python skills and solid software engineering fundamentals
• Hands-on experience with agentic frameworks such as LangChain, LangGraph or Semantic Kernel and major LLM providers
• Strong RAG and retrieval skills including vector databases, embeddings, hybrid search and context management
• Production deployment experience on major cloud platforms like AWS, Azure or GCP with containerization and CI/CD
• Proven experience evaluating generative AI quality using custom evaluation frameworks and observability tools
• Proven capability to work closely with clients, lead discovery conversations and explain technical trade-offs to diverse audiences
• Strong agent-design judgment and sound engineering judgment under ambiguity to balance speed, quality and scope
• C1 level English language proficiency
• An academic degree in Computer Science, Software Engineering or a related field

Nice to have

We offer/Benefits

• Dynamic, entrepreneurial corporate environment
• Diverse multicultural, multi-functional, and multilingual work environment
• Opportunities for personal and career growth in a progressive industry
• Global scope, international projects
• Widespread training and development opportunities
• Access to LinkedIn Learning solutions
• Competitive salary and various benefits
• Advanced wellbeing and CSR programs, recreation area
• Do you know someone interested in starting a career in IT? Share our EPAM Campus programs with them, where they can enhance their knowledge in various fields online, free of charge.