GenAI Platform Engineer — Production AI Systems

Sigma Suisse; Genf; Vor Ort; CHF 120.000 - 180.000; Vollzeit

Zusammenfassung

Sigma Suisse seeks an experienced Artificial Intelligence Engineer in Geneva to design and build scalable AI platforms and LLM services. You will ship production-grade generative AI solutions, covering data retrieval, analysis and decision support for engineering teams.

The role focuses on hands-on development, building reusable components, APIs and tooling, while establishing reference architectures and safe, measurable AI systems. Fluency in English is required; Swiss work eligibility applies.

Qualifikationen

• Production delivery of LLM based applications or AI platforms.
• Python API and service development with async frameworks.
• Experience with foundation model APIs (OpenAI, Anthropic, Vertex AI, Bedrock).

Aufgaben

• Build RAG services end to end, ingestion, parsing, chunking, indexing, retrieval, reranking, context assembly.
• Develop shared platform capabilities for LLM applications, agentic systems and enterprise knowledge solutions.
• Define reference architectures, engineering standards and implementation patterns for GenAI applications.
• Design safeguards against prompt injection, data leakage, unsafe tool execution and unreliable model behaviour.
• Evaluate LLM, retrieval and agent performance through automated metrics, test datasets and regression testing.

Kenntnisse

Python API

LLM platforms

LangChain

Vector databases

Asynchronous frameworks

Ausbildung

Degree in CS/ML/Data Science/Math

Tools

LangGraph

LangChain

LlamaIndex

CrewAI

Jobbeschreibung

Sigma Suisse seeks an experienced Artificial Intelligence Engineer in Geneva to design and build scalable AI platforms and LLM services. You will ship production-grade generative AI solutions, covering data retrieval, analysis and decision support for engineering teams.

The role focuses on hands-on development, building reusable components, APIs and tooling, while establishing reference architectures and safe, measurable AI systems. Fluency in English is required; Swiss work eligibility applies.