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AI Platform Engineer

Lausanne, Vaud, Switzerland💼 Full-time🗓 2026-08-18 → 2026-10-07

Core

Design, build, and operate an end-to-end AI platform (FrontiersOS) that integrates agentic workflows into existing business systems (publishing, CRM, data warehouse) to enable self-service automation for non-engineers.

Role type

Senior full-stack platform engineer (AI/LLM)

Builds

FrontiersOS platform including agent tool-calling frameworks, RAG, vector search, durable workflow orchestration, and access surfaces (browser extension, native clients, public API)

Required skills

System design and architecture, LLM API integration, agent framework development, AI evaluation methodology, cross-cutting system reasoning, AI-assisted development workflow, technical accountability

Preferred skills

Internal developer platform experience, closed-loop AI engineering, business domain fluency

Technologies

Multi-provider LLM routing, vector search, message queues, container orchestration, relational databases, object storage, cloud data warehouses

Responsibilities

Architect and build the full platform stack (backend, frontend, orchestration), enable self-service agent creation for non-technical users, ensure reliability and scale for critical production workflows, build auditing and evaluation layers for agentic systems

Seniority

Senior, hands-on IC