Ernst and Young

Pilote / Product Owner Agentic AI Microsoft Expérimenté H/F

Ernst and Young
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6 days ago
Paris, FranceMid Level / Senior

Responsibilities

  • Develop generative AI applications and LLM-based business assistants, augmented search engines, copilots, agents, and AI-native applications.
  • Design RAG pipelines covering document ingestion, embeddings, vector search, retrieval, ranking, and generation.
  • Integrate models through APIs and cloud platforms, and build backend APIs, services, and application interfaces.
  • Implement testing, evaluations, monitoring, and logging for AI solutions.
  • Continuously improve prompts, orchestration chains, and AI components.
  • Integrate solutions with client information systems, identity and access management, APIs, document databases, and business tools.
  • Use AI-assisted development tools to accelerate building, testing, and refactoring.
  • Work with clients and multidisciplinary teams to deliver useful, responsible, and industrialized AI solutions.

Requirements

  • 3 to 7 years of relevant experience in software engineering, data engineering, machine learning engineering, and/or GenAI application development.
  • Professional experience with one or more of Python, FastAPI, TypeScript, or Node.js.
  • Knowledge of LangChain, LlamaIndex, Semantic Kernel, or equivalent frameworks.
  • Experience with Azure OpenAI, OpenAI API, Mistral, Anthropic, AWS Bedrock, or Google Vertex AI.
  • Familiarity with vector databases and search technologies such as Azure AI Search, pgvector, Pinecone, Weaviate, Elasticsearch, or OpenSearch.
  • Knowledge of Docker, Git, GitHub Actions, Azure DevOps, or GitLab CI and related software delivery practices.
  • Familiarity with Cursor, Claude Code, or Codex, or interest in using AI-assisted development tools.
  • Experience developing a GenAI application used by real users is preferred.
  • Ability to evaluate LLM response quality and awareness of security, confidentiality, and hallucination risks.
  • Ability to work collaboratively with demanding clients and deliver high-quality, responsible AI solutions.

Benefits

  • Flexible working environment through EY's Smartworking@EY policy.
  • International mobility opportunities and collaboration with globally connected teams.
  • Annual discretionary bonus, profit-sharing bonus, RTT days, advantageous health insurance, and meal vouchers.
  • Reimbursement of 75% of public transportation subscriptions or financial assistance for bicycle purchase.
  • Referral bonuses, preferential Wellpass sports subscription, free admission to several museums, and privileged access to the Paris Opera.
  • Recruitment process includes three HR and business interviews conducted remotely and in person.

Tech Stack

DockerElasticsearchFastAPIGitGitHub ActionsGitLab CI/CDNode.jsPythonTypeScript
Ernst and Young

About Ernst and Young

10,000+ employees

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.

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