AI Platform Engineer — Build & Govern AI for Energy

St1 Oy

📍 helsinki, uusimaa, Finland 💼 Full-time 🕒 Posted July 24, 2026

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Job Description

St1 Oy is seeking an AI Platform Engineer to run and evolve our AI platform portfolio, spanning LLM platforms, tooling, and governance. You’ll be hands-on with AI agents, gates and pipelines, ensuring reliable, cost-aware AI across the organization. 
You’ll combine Python/TypeScript coding with architectural thinking to guide tool adoption, governance, and FinOps, collaborating across teams and countries in a Nordic tech culture. 
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Job Details

Location helsinki, uusimaa
Job Type Full-time
Category Software Architecture & Engineering
Posted Date July 24, 2026
Application Deadline September 02, 2026