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Ernst & Young

Global professional services: audit, tax, consulting

Full-Stack Engineer AI-native H/F

AI Application Engineering +1Updated on Nov 14
Full-timeÎle-de-France, FranceIn-person

About the Job

Requirements

  • Experience in software engineering, data engineering, or machine learning engineering, with an interest in building practical AI applications.
  • Proficiency in one or more of Python, FastAPI, TypeScript, or Node.js.
  • Knowledge of LangChain, LlamaIndex, Semantic Kernel, or equivalent frameworks.
  • Experience with one or more of Azure OpenAI, OpenAI API, Mistral, Anthropic, AWS Bedrock, or Google Vertex AI.
  • Familiarity with vector databases, including Azure AI Search, pgvector, Pinecone, Weaviate, or Elasticsearch/OpenSearch.
  • Knowledge of CI/CD practices and tools such as Docker, GitHub Actions, Azure DevOps, or GitLab CI.
  • Use of, or interest in using, AI-assisted development tools such as Cursor, Claude Code, or Codex.
  • Three to seven years of relevant experience in software engineering, data engineering, machine learning engineering, and development of GenAI applications.

Responsibilities

  • Develop GenAI applications based on large language models.
  • Design retrieval-augmented generation pipelines, including document ingestion, embeddings, vector search, retrieval, ranking, and generation.
  • Integrate models through APIs or cloud platforms.
  • Create APIs, backend services, and application interfaces.
  • Implement testing, evaluation, monitoring, and logging.
  • Continuously improve prompts, orchestration chains, and AI components.
  • Integrate solutions into client information systems, including identity and access management, APIs, document databases, and business tools.
  • Use AI-assisted development tools to accelerate building, testing, and refactoring.

Desired Qualifications

  • Experience developing a GenAI application used by real users.
  • Ability to evaluate the quality of a large language model response.
  • Awareness of security, confidentiality, and hallucination risks.
  • Ability to use AI to accelerate development without compromising code quality.

About the Company

Ernst & Young

Global professional services: audit, tax, consulting

EY provides professional services across Assurance, Tax, Consulting, and Strategy & Transactions through member firms coordinated by EY Global. It serves clients in about 150 countries with cross-disciplinary teams delivering audits, tax planning, technology, risk management, and M&A and strategy advisory. Its global, integrated platform and large network differentiate it by offering coordinated services across disciplines. The goal is to help clients meet regulatory requirements, improve governance and performance, and create value.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Boston, MA
Founded
1991

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