AI-driven Reliability Engineer for Game Engine

Supercell; Helsinki; On-site; EUR 90,000 - 150,000; Full time

Job summary

Supercell in Helsinki is building a new Reliability team to fuse AI-native engineering with game development. You’ll design and ship AI-enabled capabilities that improve how our engine and game teams develop, validate, and deliver software across platforms.

Based in Helsinki or London, you’ll collaborate with game teams, build agent workflows, and ensure robust evals, guardrails, and observability. This is a chance to shape reliability infrastructure for AI-driven development at scale.

Qualifications

• Shipping LLM/agentic applications in production.
• Strong, practical knowledge of applied generative methods.
• Hands-on with agent workflows and guardrails.
• Real software engineering depth; write maintainable production code.
• Strong product & engineering instincts to turn tech into practical solutions.
• Experience with build systems, CI pipelines, scripting, and developer tooling.
• Collaborating with game teams to drive adoption and impact.

Responsibilities

• Design, build, and ship AI-native engineering capabilities that change how our engine and game teams develop, integrate, validate, and deliver software.
• Work directly with game teams, embedding with them to understand workflows, prototype solutions, and take them into real-world use.
• Build agentic systems that can take on complex engineering work, from understanding code changes to generating solutions with validation.
• Own evaluation as a first-class engineering discipline with evals and feedback loops.
• Make autonomous agents reliable enough to trust with real work, with guardrails and observability.
• Build and evolve the underlying reliability infrastructure for AI-driven development across devices and services.
• Think beyond individual tools to reusable capabilities across games.

Skills

LLM apps

Generative AI

Agent workflows

Production code

Collaboration

CI pipelines

Tools

Catch2

gTest

Sentry

CI pipelines

Job description

Supercell in Helsinki is building a new Reliability team to fuse AI-native engineering with game development. You’ll design and ship AI-enabled capabilities that improve how our engine and game teams develop, validate, and deliver software across platforms.

Based in Helsinki or London, you’ll collaborate with game teams, build agent workflows, and ensure robust evals, guardrails, and observability. This is a chance to shape reliability infrastructure for AI-driven development at scale.