AI Engineer
Ernst and Young9 days ago
Warsaw, PolandMid Level
Responsibilities
- Design and implement AI-powered applications using LLMs and Generative AI technologies.
- Build and optimize RAG, document-processing, enterprise knowledge-retrieval, vector database, and hybrid-search solutions.
- Develop AI agents that interact with business systems, APIs, and knowledge repositories.
- Integrate AI solutions with client systems and enterprise platforms.
- Implement agent memory, context management, and orchestration mechanisms.
- Evaluate and improve the quality, reliability, and performance of AI solutions.
- Support deployment and productionization in collaboration with Systems Engineers.
- Contribute to proof-of-concept initiatives and rapid prototyping.
- Collaborate with the multidisciplinary team, share knowledge, and stay current with AI frameworks and development practices.
Requirements
- Very good written and verbal English communication skills.
- Strong problem-solving and analytical thinking skills.
- Experience developing software solutions in Python.
- Understanding of Generative AI, LLMs, RAG concepts, and AI agent architectures.
- Hands-on experience building applications with modern AI frameworks.
- Understanding of tool integration patterns and interoperability standards such as MCP.
- Experience integrating applications with REST APIs and external services.
- Knowledge of software engineering best practices, testing, and version control.
- Experience with Docker and cloud environments.
- Ability to work effectively in multidisciplinary teams.
- Preferred qualifications include experience with LangGraph, OpenAI Agents SDK, PydanticAI, LlamaIndex, CrewAI, Google ADK, or Microsoft Agent Framework.
- Preferred qualifications include knowledge of Azure AI Foundry, Azure OpenAI Service, and Azure AI Search.
- Preferred qualifications include experience with AI application evaluation frameworks, agent memory, context engineering, long-context strategies, multi-agent systems, regulated industries, and open-source AI projects.
- Interest in Agent-to-Agent, reasoning models, and AI safety topics.
Benefits
- Projects with major market players and industry leaders.
- Access to AI tools for everyday work and opportunities to learn through varied projects.
- Professional and financial support for recognized qualifications and certificates.
- EY Badges certification opportunities and the opportunity to earn an MBA title from Hult International School of Business.
- One-to-one career guidance from a Career Counselor.
- Free psycho-educational consultations and personal-development activities.
- Benefits including private healthcare with preventive examinations, life insurance, tickets, team sports, language learning, sports cards, and other online and offline offerings.
Categories
About Ernst and Young
Ernst & Young (EY) provides audit/assurance, tax, consulting, strategy and transactions services to enterprises, financial institutions, and public‑sector clients. Structured as a global network of partner‑owned member firms, it sells professional services on a fee basis, including a dedicated Financial Services Organization for banking, insurance, and capital markets. Headquartered in London, EY was formed in 1989 from the merger of Ernst & Whinney and Arthur Young, and operates in 150+ countries.