Senior Programmer, Engine Reliability

Stack

Responsibilities

• ▹Build and evolve automated reliability foundations: validation workflows, regression detection, integration stability, performance/stability signals
• ▹Establish realistic end-to-end validation surfaces across real devices and real services
• ▹Improve how shared engine changes are validated against real game integrations
• ▹Create and maintain tooling, infrastructure, and test surfaces
• ▹Partner with client, server, and live-ops teams to make systems more testable
• ▹Apply AI-assisted workflows to validation, automation, and test generation

Requirements

• ▹Strong professional experience in modern C++
• ▹Engine/runtime development experience, debugging complex cross-platform issues (iOS, Android, macOS, Windows)
• ▹Strong instincts around testing and validation strategy, understanding tradeoffs between unit, integration, and end-to-end testing
• ▹Experience with build systems, automation, and developer tooling (CMake, CI pipelines, scripting)
• ▹Strong collaboration skills across teams without unnecessary process overhead
• ▹Interest in AI-assisted engineering workflows

Nice to have

• ▹Experience with device automation, device farms, or test frameworks such as Catch2 or gTest
• ▹Experience with observability and debugging tools (Sentry, logs, metrics, tracing, dashboards)
• ▹Experience improving testability or reliability in shared engine or platform code
• ▹Experience working across client and backend workflows
• ▹Hands-on experience using AI-assisted development tools

Soft skills

What we offer

• ▹Relocation support with a dedicated mobility team
• ▹Flexible, non-hierarchical culture without job title prefixes
• ▹Choice of London or Helsinki location

About the company

Supercell is a games company from Helsinki, Finland, with offices in San Francisco, Seoul, Shanghai, and London — maker of Hay Day, Clash of Clans, Boom Beach, Clash Royale, and Brawl Stars. Its Titan engine powers some of the highest-grossing mobile games in the world.